From f92102e1a10a938eaad61481658409dd9b686d54 Mon Sep 17 00:00:00 2001 From: Jason Self Date: Tue, 8 Sep 2015 15:29:28 -0700 Subject: [PATCH] Updating skeinsum with a new scheme for reading large files, simplifying command line parsing and filebuilding, consolidating source code, etc. --- .gitignore | 1 - compile | 1 + config.h.in | 3 + configure | 7 +- configure.ac | 4 +- makefile.am | 6 +- makefile.in | 15 +- missing | 414 ++++++++++----------------- skein1024.c | 773 +-------------------------------------------------- skein256.c | 773 +-------------------------------------------------- skein512.c | 773 +-------------------------------------------------- skein_cli.c | 743 +++++++++++++++++++++++++++++++++++++++++++++++++ 12 files changed, 916 insertions(+), 2597 deletions(-) create mode 120000 compile create mode 100644 skein_cli.c diff --git a/.gitignore b/.gitignore index 4dc9f31..c3554f8 100644 --- a/.gitignore +++ b/.gitignore @@ -1,7 +1,6 @@ *.o .deps autom4te.cache/ -compile config.h config.h.in~ config.log diff --git a/compile b/compile new file mode 120000 index 0000000..d3164c8 --- /dev/null +++ b/compile @@ -0,0 +1 @@ +/usr/share/automake-1.14/compile \ No newline at end of file diff --git a/config.h.in b/config.h.in index 38010f7..eadd4cb 100644 --- a/config.h.in +++ b/config.h.in @@ -1,5 +1,8 @@ /* config.h.in. Generated from configure.ac by autoheader. */ +/* Define to 1 if you have the header file. */ +#undef HAVE_ERRNO_H + /* Define to 1 if you have the header file. */ #undef HAVE_INTTYPES_H diff --git a/configure b/configure index 8b47871..a4c3b40 100755 --- a/configure +++ b/configure @@ -2712,9 +2712,8 @@ fi # Define the identity of the package. - - PACKAGE=skeinsum - VERSION=1.0 + PACKAGE='skeinsum' + VERSION='1.0' cat >>confdefs.h <<_ACEOF @@ -4249,7 +4248,7 @@ fi done -for ac_header in limits.h malloc.h stddef.h stdlib.h string.h unistd.h +for ac_header in limits.h malloc.h stddef.h stdlib.h string.h unistd.h errno.h do : as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" diff --git a/configure.ac b/configure.ac index 05488e2..8bc5fe1 100644 --- a/configure.ac +++ b/configure.ac @@ -5,7 +5,7 @@ AC_PREREQ([2.68]) AC_INIT([skeinsum], [1.0], [j@jxself.org]) AC_CONFIG_SRCDIR([skein.h]) AC_CONFIG_HEADERS([config.h]) -AM_INIT_AUTOMAKE([skeinsum],[1.0]) +AM_INIT_AUTOMAKE # Checks for programs. AC_PROG_CC @@ -13,7 +13,7 @@ AC_PROG_CC # Checks for libraries. # Checks for header files. -AC_CHECK_HEADERS([limits.h malloc.h stddef.h stdlib.h string.h unistd.h]) +AC_CHECK_HEADERS([limits.h malloc.h stddef.h stdlib.h string.h unistd.h errno.h]) # Checks for typedefs, structures, and compiler characteristics. AC_TYPE_SIZE_T diff --git a/makefile.am b/makefile.am index 31b47bd..741052d 100644 --- a/makefile.am +++ b/makefile.am @@ -1,5 +1,5 @@ bin_PROGRAMS = skein256sum skein512sum skein1024sum -skein256sum_SOURCES = SHA3api_ref.c skein.c skein256.c skein_block.c skein_debug.c -skein512sum_SOURCES = SHA3api_ref.c skein.c skein512.c skein_block.c skein_debug.c -skein1024sum_SOURCES = SHA3api_ref.c skein.c skein1024.c skein_block.c skein_debug.c +skein256sum_SOURCES = SHA3api_ref.c skein.c skein256.c skein_block.c skein_debug.c skein_cli.c +skein512sum_SOURCES = SHA3api_ref.c skein.c skein512.c skein_block.c skein_debug.c skein_cli.c +skein1024sum_SOURCES = SHA3api_ref.c skein.c skein1024.c skein_block.c skein_debug.c skein_cli.c include_HEADERS = brg_endian.h brg_types.h SHA3api_ref.h skein.h skein_debug.h skein_port.h diff --git a/makefile.in b/makefile.in index b969218..86d4afd 100644 --- a/makefile.in +++ b/makefile.in @@ -99,15 +99,17 @@ am__installdirs = "$(DESTDIR)$(bindir)" "$(DESTDIR)$(includedir)" PROGRAMS = $(bin_PROGRAMS) am_skein1024sum_OBJECTS = SHA3api_ref.$(OBJEXT) skein.$(OBJEXT) \ skein1024.$(OBJEXT) skein_block.$(OBJEXT) \ - skein_debug.$(OBJEXT) + skein_debug.$(OBJEXT) skein_cli.$(OBJEXT) skein1024sum_OBJECTS = $(am_skein1024sum_OBJECTS) skein1024sum_LDADD = $(LDADD) am_skein256sum_OBJECTS = SHA3api_ref.$(OBJEXT) skein.$(OBJEXT) \ - skein256.$(OBJEXT) skein_block.$(OBJEXT) skein_debug.$(OBJEXT) + skein256.$(OBJEXT) skein_block.$(OBJEXT) skein_debug.$(OBJEXT) \ + skein_cli.$(OBJEXT) skein256sum_OBJECTS = $(am_skein256sum_OBJECTS) skein256sum_LDADD = $(LDADD) am_skein512sum_OBJECTS = SHA3api_ref.$(OBJEXT) skein.$(OBJEXT) \ - skein512.$(OBJEXT) skein_block.$(OBJEXT) skein_debug.$(OBJEXT) + skein512.$(OBJEXT) skein_block.$(OBJEXT) skein_debug.$(OBJEXT) \ + skein_cli.$(OBJEXT) skein512sum_OBJECTS = $(am_skein512sum_OBJECTS) skein512sum_LDADD = $(LDADD) AM_V_P = $(am__v_P_@AM_V@) @@ -301,9 +303,9 @@ target_alias = @target_alias@ top_build_prefix = @top_build_prefix@ top_builddir = @top_builddir@ top_srcdir = @top_srcdir@ -skein256sum_SOURCES = SHA3api_ref.c skein.c skein256.c skein_block.c skein_debug.c -skein512sum_SOURCES = SHA3api_ref.c skein.c skein512.c skein_block.c skein_debug.c -skein1024sum_SOURCES = SHA3api_ref.c skein.c skein1024.c skein_block.c skein_debug.c +skein256sum_SOURCES = SHA3api_ref.c skein.c skein256.c skein_block.c skein_debug.c skein_cli.c +skein512sum_SOURCES = SHA3api_ref.c skein.c skein512.c skein_block.c skein_debug.c skein_cli.c +skein1024sum_SOURCES = SHA3api_ref.c skein.c skein1024.c skein_block.c skein_debug.c skein_cli.c include_HEADERS = brg_endian.h brg_types.h SHA3api_ref.h skein.h skein_debug.h skein_port.h all: config.h $(MAKE) $(AM_MAKEFLAGS) all-am @@ -426,6 +428,7 @@ distclean-compile: @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/skein256.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/skein512.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/skein_block.Po@am__quote@ +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/skein_cli.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/skein_debug.Po@am__quote@ .c.o: diff --git a/missing b/missing index 86a8fc3..db98974 100755 --- a/missing +++ b/missing @@ -1,11 +1,10 @@ #! /bin/sh -# Common stub for a few missing GNU programs while installing. +# Common wrapper for a few potentially missing GNU programs. -scriptversion=2012-01-06.13; # UTC +scriptversion=2013-10-28.13; # UTC -# Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, 2006, -# 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc. -# Originally by Fran,cois Pinard , 1996. +# Copyright (C) 1996-2013 Free Software Foundation, Inc. +# Originally written by Fran,cois Pinard , 1996. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -26,68 +25,40 @@ scriptversion=2012-01-06.13; # UTC # the same distribution terms that you use for the rest of that program. if test $# -eq 0; then - echo 1>&2 "Try \`$0 --help' for more information" + echo 1>&2 "Try '$0 --help' for more information" exit 1 fi -run=: -sed_output='s/.* --output[ =]\([^ ]*\).*/\1/p' -sed_minuso='s/.* -o \([^ ]*\).*/\1/p' - -# In the cases where this matters, `missing' is being run in the -# srcdir already. -if test -f configure.ac; then - configure_ac=configure.ac -else - configure_ac=configure.in -fi +case $1 in -msg="missing on your system" + --is-lightweight) + # Used by our autoconf macros to check whether the available missing + # script is modern enough. + exit 0 + ;; -case $1 in ---run) - # Try to run requested program, and just exit if it succeeds. - run= - shift - "$@" && exit 0 - # Exit code 63 means version mismatch. This often happens - # when the user try to use an ancient version of a tool on - # a file that requires a minimum version. In this case we - # we should proceed has if the program had been absent, or - # if --run hadn't been passed. - if test $? = 63; then - run=: - msg="probably too old" - fi - ;; + --run) + # Back-compat with the calling convention used by older automake. + shift + ;; -h|--h|--he|--hel|--help) echo "\ $0 [OPTION]... PROGRAM [ARGUMENT]... -Handle \`PROGRAM [ARGUMENT]...' for when PROGRAM is missing, or return an -error status if there is no known handling for PROGRAM. +Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due +to PROGRAM being missing or too old. Options: -h, --help display this help and exit -v, --version output version information and exit - --run try to run the given command, and emulate it if it fails Supported PROGRAM values: - aclocal touch file \`aclocal.m4' - autoconf touch file \`configure' - autoheader touch file \`config.h.in' - autom4te touch the output file, or create a stub one - automake touch all \`Makefile.in' files - bison create \`y.tab.[ch]', if possible, from existing .[ch] - flex create \`lex.yy.c', if possible, from existing .c - help2man touch the output file - lex create \`lex.yy.c', if possible, from existing .c - makeinfo touch the output file - yacc create \`y.tab.[ch]', if possible, from existing .[ch] + aclocal autoconf autoheader autom4te automake makeinfo + bison yacc flex lex help2man -Version suffixes to PROGRAM as well as the prefixes \`gnu-', \`gnu', and -\`g' are ignored when checking the name. +Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and +'g' are ignored when checking the name. Send bug reports to ." exit $? @@ -99,228 +70,141 @@ Send bug reports to ." ;; -*) - echo 1>&2 "$0: Unknown \`$1' option" - echo 1>&2 "Try \`$0 --help' for more information" + echo 1>&2 "$0: unknown '$1' option" + echo 1>&2 "Try '$0 --help' for more information" exit 1 ;; esac -# normalize program name to check for. -program=`echo "$1" | sed ' - s/^gnu-//; t - s/^gnu//; t - s/^g//; t'` - -# Now exit if we have it, but it failed. Also exit now if we -# don't have it and --version was passed (most likely to detect -# the program). This is about non-GNU programs, so use $1 not -# $program. -case $1 in - lex*|yacc*) - # Not GNU programs, they don't have --version. - ;; - - *) - if test -z "$run" && ($1 --version) > /dev/null 2>&1; then - # We have it, but it failed. - exit 1 - elif test "x$2" = "x--version" || test "x$2" = "x--help"; then - # Could not run --version or --help. This is probably someone - # running `$TOOL --version' or `$TOOL --help' to check whether - # $TOOL exists and not knowing $TOOL uses missing. - exit 1 - fi - ;; -esac - -# If it does not exist, or fails to run (possibly an outdated version), -# try to emulate it. -case $program in - aclocal*) - echo 1>&2 "\ -WARNING: \`$1' is $msg. You should only need it if - you modified \`acinclude.m4' or \`${configure_ac}'. You might want - to install the \`Automake' and \`Perl' packages. Grab them from - any GNU archive site." - touch aclocal.m4 - ;; - - autoconf*) - echo 1>&2 "\ -WARNING: \`$1' is $msg. You should only need it if - you modified \`${configure_ac}'. You might want to install the - \`Autoconf' and \`GNU m4' packages. Grab them from any GNU - archive site." - touch configure - ;; - - autoheader*) - echo 1>&2 "\ -WARNING: \`$1' is $msg. You should only need it if - you modified \`acconfig.h' or \`${configure_ac}'. You might want - to install the \`Autoconf' and \`GNU m4' packages. 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This often happens when the user +# tries to use an ancient version of a tool on a file that requires a +# minimum version. +if test $st -eq 63; then + msg="probably too old" +elif test $st -eq 127; then + # Program was missing. + msg="missing on your system" +else + # Program was found and executed, but failed. Give up. + exit $st +fi - *) - echo 1>&2 "\ -WARNING: \`$1' is needed, and is $msg. - You might have modified some files without having the - proper tools for further handling them. Check the \`README' file, - it often tells you about the needed prerequisites for installing - this package. You may also peek at any GNU archive site, in case - some other package would contain this missing \`$1' program." - exit 1 +perl_URL=http://www.perl.org/ +flex_URL=http://flex.sourceforge.net/ +gnu_software_URL=http://www.gnu.org/software + +program_details () +{ + case $1 in + aclocal|automake) + echo "The '$1' program is part of the GNU Automake package:" + echo "<$gnu_software_URL/automake>" + echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/autoconf>" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + autoconf|autom4te|autoheader) + echo "The '$1' program is part of the GNU Autoconf package:" + echo "<$gnu_software_URL/autoconf/>" + echo "It also requires GNU m4 and Perl in order to run:" + echo "<$gnu_software_URL/m4/>" + echo "<$perl_URL>" + ;; + esac +} + +give_advice () +{ + # Normalize program name to check for. + normalized_program=`echo "$1" | sed ' + s/^gnu-//; t + s/^gnu//; t + s/^g//; t'` + + printf '%s\n' "'$1' is $msg." + + configure_deps="'configure.ac' or m4 files included by 'configure.ac'" + case $normalized_program in + autoconf*) + echo "You should only need it if you modified 'configure.ac'," + echo "or m4 files included by it." + program_details 'autoconf' + ;; + autoheader*) + echo "You should only need it if you modified 'acconfig.h' or" + echo "$configure_deps." + program_details 'autoheader' + ;; + automake*) + echo "You should only need it if you modified 'Makefile.am' or" + echo "$configure_deps." + program_details 'automake' + ;; + aclocal*) + echo "You should only need it if you modified 'acinclude.m4' or" + echo "$configure_deps." + program_details 'aclocal' + ;; + autom4te*) + echo "You might have modified some maintainer files that require" + echo "the 'autom4te' program to be rebuilt." + program_details 'autom4te' + ;; + bison*|yacc*) + echo "You should only need it if you modified a '.y' file." + echo "You may want to install the GNU Bison package:" + echo "<$gnu_software_URL/bison/>" + ;; + lex*|flex*) + echo "You should only need it if you modified a '.l' file." + echo "You may want to install the Fast Lexical Analyzer package:" + echo "<$flex_URL>" + ;; + help2man*) + echo "You should only need it if you modified a dependency" \ + "of a man page." + echo "You may want to install the GNU Help2man package:" + echo "<$gnu_software_URL/help2man/>" ;; -esac - -exit 0 + makeinfo*) + echo "You should only need it if you modified a '.texi' file, or" + echo "any other file indirectly affecting the aspect of the manual." + echo "You might want to install the Texinfo package:" + echo "<$gnu_software_URL/texinfo/>" + echo "The spurious makeinfo call might also be the consequence of" + echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might" + echo "want to install GNU make:" + echo "<$gnu_software_URL/make/>" + ;; + *) + echo "You might have modified some files without having the proper" + echo "tools for further handling them. Check the 'README' file, it" + echo "often tells you about the needed prerequisites for installing" + echo "this package. You may also peek at any GNU archive site, in" + echo "case some other package contains this missing '$1' program." + ;; + esac +} + +give_advice "$1" | sed -e '1s/^/WARNING: /' \ + -e '2,$s/^/ /' >&2 + +# Propagate the correct exit status (expected to be 127 for a program +# not found, 63 for a program that failed due to version mismatch). +exit $st # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) diff --git a/skein1024.c b/skein1024.c index 1fde74e..4fa5e44 100644 --- a/skein1024.c +++ b/skein1024.c @@ -1,772 +1 @@ -/* Copyright (C) 2014, 2015 Jason Self - -This file is part of skeinsum. - -skeinsum is free software: you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -skeinsum is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with skeinsum. If not, see . -*/ - -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "SHA3api_ref.h" - -#define hashbitlen 1024 -#define MaxNmberFiles 10 -#define skeinVersion "1.3" - - -char invalidOption = 0; - -enum -{ - QUIET_OPTION = 11, - STATUS_OPTION, - TAG_OPTION, - HELP_OPTION, - VERSION_OPTION -}; - -static struct option const long_options[] = -{ - { "binary", no_argument, NULL, 'b' }, - { "check", no_argument, NULL, 'c' }, - { "quiet", no_argument, NULL, QUIET_OPTION }, - { "status", no_argument, NULL, STATUS_OPTION }, - { "text", no_argument, NULL, 't' }, - { "warn", no_argument, NULL, 'w' }, - { "tag", no_argument, NULL, TAG_OPTION }, - { "help", no_argument, NULL, HELP_OPTION }, - { "version", no_argument, NULL, VERSION_OPTION }, - { NULL, 0, NULL, 0 } -}; - -void printHexMsg(unsigned char *ptr, int size, char result[]) -{ - int i = 0; - int j = 0; - char High, Low; - for (i = 0 ; i < size ; i ++) - { - High = ptr[i]>>4; - Low = ptr[i]&0x0F; - - if (High >= 0xA && High <= 0xF) - High += 0x37; - else if(High >= 0x0 && High <= 0x9) - High += 0x30; - - if (Low >= 0xA && Low <= 0xF) - Low += 0x37; - else if(Low >= 0x0 && Low <= 0x9) - Low += 0x30; - - result[j++] = High; - result[j++] = Low; - } - result[i] = 0; -} - -int HashTextMode(char file_name[], char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"r"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - char *hello; - hello = (char*) malloc (size_fp_in); - fgets(hello,size_fp_in,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashBinaryMode(char file_name[],char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"rb"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - unsigned char *hello; - hello = (unsigned char*) malloc (size_fp_in); - fread(hello,size_fp_in,1,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashStringMode(char Msg[],char MsgDigest[]) -{ - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) Msg,sizeof(Msg),output); - printHexMsg(output,hashbitlen/4,MsgDigest); - return 1; -} - -/* - * return 1 : is File - * return 2 : is Directory - * return -1 : Something else. - */ -int isFile(char argument[]) -{ - struct stat s; - if( stat(argument,&s) == 0 ) - { - if( s.st_mode & S_IFDIR ) - { - return 2; - } - else if( s.st_mode & S_IFREG ) - { - return 1; - } - } - else - return -1; - return 0; -} - -int isProper(char MsgDigest[]) -{ - if ((strlen(MsgDigest) - hashbitlen/4) != 0) - return 0; - int index = 0; - char c = 0; - for(index = 0; index < strlen(MsgDigest);index++) - { - c = MsgDigest[index]; - if(!(( c >= '0' && c <= '9' ) || ( c >= 'A' && c <= 'F'))) - return 0; - } - - return 1; -} - - -int decomposeHashLine(char hash[], char MsgDigest_tmp[], char file_tmp[]) -{ - char c = 0; - int i = 0 , j =0; - int isTagFile = 0; - char alg[20]; - char tmp[1000]; - while(((c = hash[i])!=' ')&&((c = hash[i])!='_')) - { - tmp[i] = hash[i]; - i++; - } - tmp[i] = 0; - - sprintf(alg,"skein%d",hashbitlen); - if(!strcmp(alg,tmp)) - { - isTagFile = 1; - } - - if(isTagFile == 0) - { - strcpy(MsgDigest_tmp,tmp); - i++; - while((c = hash[i])!= '\n') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - } - else if((hash[i]=='_')&&(hash[i+1]=='v')) - { - i = i + 2; - j = 0; - char version[5]; - while((c = hash[i])!=' ') - { - version[j] = hash[i]; - i++; - j++; - } - version[i] = 0; - float vers = 0, skeinVers = 0; - sscanf(version,"%f",&vers); - sscanf(skeinVersion,"%f",&skeinVers); - - j = 0; - i = i + 2; - while((c = hash[i])!=')') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - - i = i + 4; - j = 0; - while((c = hash[i])!='\n') - { - MsgDigest_tmp[j] = hash[i]; - i++; - j++; - } - MsgDigest_tmp[j] = 0; - - if(skeinVers < vers) - {//version newer than mine - return (-1); - } - else if (skeinVers > vers) - {//going to use older version than mine - return (0) ; - } - else - { //versions match - return (1); - } - } - return 1; - -} - - - -int main(int argc, char** argv) -{ - char MsgDigest[hashbitlen/2]; - char **list_files = (char**) malloc(MaxNmberFiles* sizeof(char*)); - int number_files = 0; - int binary = -1, - check = -1, - quiet = -1, - warn = -1, - status = -1, - help = -1, - version = -1, - tag = -1, - hashString = -1, - badParam = -1; - - int errorFound = 0; - int opt = 0; -/***************************************************************************************** - ************************************* GETTING DATA *********************************** - *****************************************************************************************/ - while ((opt = getopt_long (argc, argv, "bctw", long_options, NULL)) != -1) - { - switch (opt) - { - case 'b' : - { - binary = 1; - break; - } - case 't' : - { - binary = 0; - break; - } - case 'c' : - { - check = 1; - break; - } - case QUIET_OPTION : - { - quiet = 1; - break; - } - case 'w' : - { - warn = 1; - break; - } - case STATUS_OPTION : - { - status = 1; - break; - } - case HELP_OPTION : - { - help = 1; - break; - } - case VERSION_OPTION : - { - version = 1; - break; - } - case TAG_OPTION : - { - tag = 1; - break; - } - case 0 : - { - hashString = 1; - break; - } - default : - { - badParam = 1; - break; - } - } - } - - if(badParam == 1) - { - printf("Try `skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - - for (; optind < argc; ++optind) - { - switch (opt) - { - case -1: - {// no options found, test if there is a file and hash it - if(isFile(argv[optind]) == 1) - { - char *file_name = malloc(sizeof(argv[optind])); - file_name = argv[optind]; - list_files[number_files] = (char*) malloc (sizeof(file_name)); - list_files[number_files] = file_name; - number_files ++; - } - else if (isFile(argv[optind]) == 2) - { - printf("skein%dsum: %s Is a directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - break; - } - } - } -/***************************************************************************************** - ************************************* PROCESSING DATA *********************************** - *****************************************************************************************/ - if(argc > 1 && version == 1) - { - printf("skein1024sum 1.0\n"); - printf("License GPLv3+: GNU GPL version 3 or later\n"); - printf("\n"); - printf("This is free software: you are free to change and redistribute it.\n"); - printf("There is NO WARRANTY, to the extent permitted by law.\n"); - exit(1); - } - if(argc > 1 && help == 1) - { - - printf("Usage: skein%dsum [OPTION]... [FILE]...\n",hashbitlen); - printf("Print or check skein (%d-bit) checksums.\n",hashbitlen); - printf("With no FILE, or when FILE is -, read standard input.\n"); - printf("\n"); - printf("-b, --binary read in binary mode\n"); - printf("-c, --check read skein sums from the FILEs and check them\n"); - printf("--tag create a BSD-style checksum\n"); - printf("-t, --text read in text mode (default)\n"); - printf("\n"); - printf("The following three options are useful only when verifying checksums:\n"); - printf("--quiet don't print OK for each successfully verified file\n"); - printf("--status don't output anything, status code shows success\n"); - printf("-w, --warn warn about improperly formatted checksum lines\n"); - printf("\n"); - printf("--strict with --check, exit non-zero for any invalid input\n"); - printf("--help display this help and exit\n"); - printf("--version output version information and exit\n"); - printf("\n"); - printf("The sums are computed as described in version 1.3 of the Skein\n"); - printf("specification. When checking, the input should be a former output of\n"); - printf("this program. The default mode is to print a line with checksum, a\n"); - printf("character indicating input mode ('*' for binary, space for text), and\n"); - printf("name for each FILE.\n"); - exit(1); - } - - if(argc > 1 && binary == 1) - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(hashString == 1) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,list_files[index_files]); - index_files++; - continue; - } - if(HashBinaryMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("*%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s *-\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == 0) // Text Mode - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == -1) - { - if(check == -1) - {// hashing stdin entries - if(quiet == 1 || status == 1 || warn == 1) - { - if(quiet == 1) - printf("skein%dsum: the --quiet option is meaningful only when verifying checksums\n",hashbitlen); - if(status ==1) - printf("skein%dsum: the --status option is meaningful only when verifying checksums\n",hashbitlen); - if(warn == 1) - printf("skein%dsum: the --warn option is meaningful only when verifying checksums\n",hashbitlen); - - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - if(number_files > 0) - {// hashing files - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // hasing strings read from stdin - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - else if(check == 1) - { - if(tag == 1) - { - printf("skein%dsum: the --tag option is meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information\n",hashbitlen); - exit(1); - } - int index_files = 0; - while(index_files < number_files) - { - FILE *fp; - char hash[500], file_name[100], file_tmp[100], MsgDigest_tmp[hashbitlen/2]; - int NoMatch = 0, NotProper = 0, Computed = 0; - strcpy(file_name,list_files[index_files]); - //show everything - int line = 0; - fp = fopen(file_name,"r"); - if(fp!=NULL) - { - while(fgets(hash,500,fp)!=NULL) - { - line ++; - Computed++; - unsigned int hashVersion = decomposeHashLine(hash,MsgDigest_tmp,file_tmp); - if(hashVersion == -1) - { - printf("skein%d: %s is using newer version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should update your algorithm\n"); - continue; - } - else if( hashVersion == 0) - { - printf("skein%d: %s is using an older version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should use the older algorithm\n"); - continue; - } - else - { - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_tmp,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_tmp[0] == '*') - { - int index_file_tmp = 0; - for( ; file_tmp[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_tmp[index_file_tmp] = file_tmp[index_file_tmp + 1]; - } - file_tmp[index_file_tmp] = 0; - HashBinaryMode(file_tmp,MsgDigest); - } - else - { - HashTextMode(file_tmp,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_tmp); - } - } - else - { - printf("%s: FAILED\n",file_tmp); - NoMatch ++; - } - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - } - index_files++; - - } - - if(number_files == 0) - { - char longstring[1000]; - char file_name[30]; - char MsgDigest_tmp[hashbitlen/2]; - int Computed = 0, NotProper = 0, NoMatch = 0 , line = 0; - while((fgets(longstring,1000,stdin))!=NULL) - { - Computed++; - line ++; - decomposeHashLine(longstring,MsgDigest_tmp,file_name); - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_name,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_name[0] == '*') - { - int index_file_tmp = 0; - for( ; file_name[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_name[index_file_tmp] = file_name[index_file_tmp + 1]; - } - file_name[index_file_tmp] = 0; - HashBinaryMode(file_name,MsgDigest); - } - else - { - HashTextMode(file_name,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_name); - } - } - else - { - printf("%s: FAILED\n",file_name); - NoMatch ++; - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - - } - - - } - } - - if ((errorFound != 1) && (argc == 1 || (hashString == 1 && number_files == 0))) - { - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - printf("%s -\n",MsgDigest); - } - - return 1; -} +const int hashbitlen = 1024; diff --git a/skein256.c b/skein256.c index 66d31f3..2a18caf 100644 --- a/skein256.c +++ b/skein256.c @@ -1,772 +1 @@ -/* Copyright (C) 2014, 2015 Jason Self - -This file is part of skeinsum. - -skeinsum is free software: you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -skeinsum is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with skeinsum. If not, see . -*/ - -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "SHA3api_ref.h" - -#define hashbitlen 256 -#define MaxNmberFiles 10 -#define skeinVersion "1.3" - - -char invalidOption = 0; - -enum -{ - QUIET_OPTION = 11, - STATUS_OPTION, - TAG_OPTION, - HELP_OPTION, - VERSION_OPTION -}; - -static struct option const long_options[] = -{ - { "binary", no_argument, NULL, 'b' }, - { "check", no_argument, NULL, 'c' }, - { "quiet", no_argument, NULL, QUIET_OPTION }, - { "status", no_argument, NULL, STATUS_OPTION }, - { "text", no_argument, NULL, 't' }, - { "warn", no_argument, NULL, 'w' }, - { "tag", no_argument, NULL, TAG_OPTION }, - { "help", no_argument, NULL, HELP_OPTION }, - { "version", no_argument, NULL, VERSION_OPTION }, - { NULL, 0, NULL, 0 } -}; - -void printHexMsg(unsigned char *ptr, int size, char result[]) -{ - int i = 0; - int j = 0; - char High, Low; - for (i = 0 ; i < size ; i ++) - { - High = ptr[i]>>4; - Low = ptr[i]&0x0F; - - if (High >= 0xA && High <= 0xF) - High += 0x37; - else if(High >= 0x0 && High <= 0x9) - High += 0x30; - - if (Low >= 0xA && Low <= 0xF) - Low += 0x37; - else if(Low >= 0x0 && Low <= 0x9) - Low += 0x30; - - result[j++] = High; - result[j++] = Low; - } - result[i] = 0; -} - -int HashTextMode(char file_name[], char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"r"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - char *hello; - hello = (char*) malloc (size_fp_in); - fgets(hello,size_fp_in,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashBinaryMode(char file_name[],char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"rb"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - unsigned char *hello; - hello = (unsigned char*) malloc (size_fp_in); - fread(hello,size_fp_in,1,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashStringMode(char Msg[],char MsgDigest[]) -{ - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) Msg,sizeof(Msg),output); - printHexMsg(output,hashbitlen/4,MsgDigest); - return 1; -} - -/* - * return 1 : is File - * return 2 : is Directory - * return -1 : Something else. - */ -int isFile(char argument[]) -{ - struct stat s; - if( stat(argument,&s) == 0 ) - { - if( s.st_mode & S_IFDIR ) - { - return 2; - } - else if( s.st_mode & S_IFREG ) - { - return 1; - } - } - else - return -1; - return 0; -} - -int isProper(char MsgDigest[]) -{ - if ((strlen(MsgDigest) - hashbitlen/4) != 0) - return 0; - int index = 0; - char c = 0; - for(index = 0; index < strlen(MsgDigest);index++) - { - c = MsgDigest[index]; - if(!(( c >= '0' && c <= '9' ) || ( c >= 'A' && c <= 'F'))) - return 0; - } - - return 1; -} - - -int decomposeHashLine(char hash[], char MsgDigest_tmp[], char file_tmp[]) -{ - char c = 0; - int i = 0 , j =0; - int isTagFile = 0; - char alg[20]; - char tmp[1000]; - while(((c = hash[i])!=' ')&&((c = hash[i])!='_')) - { - tmp[i] = hash[i]; - i++; - } - tmp[i] = 0; - - sprintf(alg,"skein%d",hashbitlen); - if(!strcmp(alg,tmp)) - { - isTagFile = 1; - } - - if(isTagFile == 0) - { - strcpy(MsgDigest_tmp,tmp); - i++; - while((c = hash[i])!= '\n') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - } - else if((hash[i]=='_')&&(hash[i+1]=='v')) - { - i = i + 2; - j = 0; - char version[5]; - while((c = hash[i])!=' ') - { - version[j] = hash[i]; - i++; - j++; - } - version[i] = 0; - float vers = 0, skeinVers = 0; - sscanf(version,"%f",&vers); - sscanf(skeinVersion,"%f",&skeinVers); - - j = 0; - i = i + 2; - while((c = hash[i])!=')') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - - i = i + 4; - j = 0; - while((c = hash[i])!='\n') - { - MsgDigest_tmp[j] = hash[i]; - i++; - j++; - } - MsgDigest_tmp[j] = 0; - - if(skeinVers < vers) - {//version newer than mine - return (-1); - } - else if (skeinVers > vers) - {//going to use older version than mine - return (0) ; - } - else - { //versions match - return (1); - } - } - return 1; - -} - - - -int main(int argc, char** argv) -{ - char MsgDigest[hashbitlen/2]; - char **list_files = (char**) malloc(MaxNmberFiles* sizeof(char*)); - int number_files = 0; - int binary = -1, - check = -1, - quiet = -1, - warn = -1, - status = -1, - help = -1, - version = -1, - tag = -1, - hashString = -1, - badParam = -1; - - int errorFound = 0; - int opt = 0; -/***************************************************************************************** - ************************************* GETTING DATA *********************************** - *****************************************************************************************/ - while ((opt = getopt_long (argc, argv, "bctw", long_options, NULL)) != -1) - { - switch (opt) - { - case 'b' : - { - binary = 1; - break; - } - case 't' : - { - binary = 0; - break; - } - case 'c' : - { - check = 1; - break; - } - case QUIET_OPTION : - { - quiet = 1; - break; - } - case 'w' : - { - warn = 1; - break; - } - case STATUS_OPTION : - { - status = 1; - break; - } - case HELP_OPTION : - { - help = 1; - break; - } - case VERSION_OPTION : - { - version = 1; - break; - } - case TAG_OPTION : - { - tag = 1; - break; - } - case 0 : - { - hashString = 1; - break; - } - default : - { - badParam = 1; - break; - } - } - } - - if(badParam == 1) - { - printf("Try `skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - - for (; optind < argc; ++optind) - { - switch (opt) - { - case -1: - {// no options found, test if there is a file and hash it - if(isFile(argv[optind]) == 1) - { - char *file_name = malloc(sizeof(argv[optind])); - file_name = argv[optind]; - list_files[number_files] = (char*) malloc (sizeof(file_name)); - list_files[number_files] = file_name; - number_files ++; - } - else if (isFile(argv[optind]) == 2) - { - printf("skein%dsum: %s Is a directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - break; - } - } - } -/***************************************************************************************** - ************************************* PROCESSING DATA *********************************** - *****************************************************************************************/ - if(argc > 1 && version == 1) - { - printf("skein256sum 1.0\n"); - printf("License GPLv3+: GNU GPL version 3 or later\n"); - printf("\n"); - printf("This is free software: you are free to change and redistribute it.\n"); - printf("There is NO WARRANTY, to the extent permitted by law.\n"); - exit(1); - } - if(argc > 1 && help == 1) - { - - printf("Usage: skein%dsum [OPTION]... [FILE]...\n",hashbitlen); - printf("Print or check skein (%d-bit) checksums.\n",hashbitlen); - printf("With no FILE, or when FILE is -, read standard input.\n"); - printf("\n"); - printf("-b, --binary read in binary mode\n"); - printf("-c, --check read skein sums from the FILEs and check them\n"); - printf("--tag create a BSD-style checksum\n"); - printf("-t, --text read in text mode (default)\n"); - printf("\n"); - printf("The following three options are useful only when verifying checksums:\n"); - printf("--quiet don't print OK for each successfully verified file\n"); - printf("--status don't output anything, status code shows success\n"); - printf("-w, --warn warn about improperly formatted checksum lines\n"); - printf("\n"); - printf("--strict with --check, exit non-zero for any invalid input\n"); - printf("--help display this help and exit\n"); - printf("--version output version information and exit\n"); - printf("\n"); - printf("The sums are computed as described in version 1.3 of the Skein\n"); - printf("specification. When checking, the input should be a former output of\n"); - printf("this program. The default mode is to print a line with checksum, a\n"); - printf("character indicating input mode ('*' for binary, space for text), and\n"); - printf("name for each FILE.\n"); - exit(1); - } - - if(argc > 1 && binary == 1) - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(hashString == 1) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,list_files[index_files]); - index_files++; - continue; - } - if(HashBinaryMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("*%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s *-\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == 0) // Text Mode - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == -1) - { - if(check == -1) - {// hashing stdin entries - if(quiet == 1 || status == 1 || warn == 1) - { - if(quiet == 1) - printf("skein%dsum: the --quiet option is meaningful only when verifying checksums\n",hashbitlen); - if(status ==1) - printf("skein%dsum: the --status option is meaningful only when verifying checksums\n",hashbitlen); - if(warn == 1) - printf("skein%dsum: the --warn option is meaningful only when verifying checksums\n",hashbitlen); - - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - if(number_files > 0) - {// hashing files - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // hasing strings read from stdin - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - else if(check == 1) - { - if(tag == 1) - { - printf("skein%dsum: the --tag option is meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information\n",hashbitlen); - exit(1); - } - int index_files = 0; - while(index_files < number_files) - { - FILE *fp; - char hash[500], file_name[100], file_tmp[100], MsgDigest_tmp[hashbitlen/2]; - int NoMatch = 0, NotProper = 0, Computed = 0; - strcpy(file_name,list_files[index_files]); - //show everything - int line = 0; - fp = fopen(file_name,"r"); - if(fp!=NULL) - { - while(fgets(hash,500,fp)!=NULL) - { - line ++; - Computed++; - unsigned int hashVersion = decomposeHashLine(hash,MsgDigest_tmp,file_tmp); - if(hashVersion == -1) - { - printf("skein%d: %s is using newer version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should update your algorithm\n"); - continue; - } - else if( hashVersion == 0) - { - printf("skein%d: %s is using an older version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should use the older algorithm\n"); - continue; - } - else - { - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_tmp,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_tmp[0] == '*') - { - int index_file_tmp = 0; - for( ; file_tmp[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_tmp[index_file_tmp] = file_tmp[index_file_tmp + 1]; - } - file_tmp[index_file_tmp] = 0; - HashBinaryMode(file_tmp,MsgDigest); - } - else - { - HashTextMode(file_tmp,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_tmp); - } - } - else - { - printf("%s: FAILED\n",file_tmp); - NoMatch ++; - } - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - } - index_files++; - - } - - if(number_files == 0) - { - char longstring[1000]; - char file_name[30]; - char MsgDigest_tmp[hashbitlen/2]; - int Computed = 0, NotProper = 0, NoMatch = 0 , line = 0; - while((fgets(longstring,1000,stdin))!=NULL) - { - Computed++; - line ++; - decomposeHashLine(longstring,MsgDigest_tmp,file_name); - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_name,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_name[0] == '*') - { - int index_file_tmp = 0; - for( ; file_name[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_name[index_file_tmp] = file_name[index_file_tmp + 1]; - } - file_name[index_file_tmp] = 0; - HashBinaryMode(file_name,MsgDigest); - } - else - { - HashTextMode(file_name,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_name); - } - } - else - { - printf("%s: FAILED\n",file_name); - NoMatch ++; - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - - } - - - } - } - - if ((errorFound != 1) && (argc == 1 || (hashString == 1 && number_files == 0))) - { - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - printf("%s -\n",MsgDigest); - } - - return 1; -} +const int hashbitlen = 256; diff --git a/skein512.c b/skein512.c index 97f84c3..dcd977a 100644 --- a/skein512.c +++ b/skein512.c @@ -1,772 +1 @@ -/* Copyright (C) 2014, 2015 Jason Self - -This file is part of skeinsum. - -skeinsum is free software: you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -skeinsum is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with skeinsum. If not, see . -*/ - -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "SHA3api_ref.h" - -#define hashbitlen 512 -#define MaxNmberFiles 10 -#define skeinVersion "1.3" - - -char invalidOption = 0; - -enum -{ - QUIET_OPTION = 11, - STATUS_OPTION, - TAG_OPTION, - HELP_OPTION, - VERSION_OPTION -}; - -static struct option const long_options[] = -{ - { "binary", no_argument, NULL, 'b' }, - { "check", no_argument, NULL, 'c' }, - { "quiet", no_argument, NULL, QUIET_OPTION }, - { "status", no_argument, NULL, STATUS_OPTION }, - { "text", no_argument, NULL, 't' }, - { "warn", no_argument, NULL, 'w' }, - { "tag", no_argument, NULL, TAG_OPTION }, - { "help", no_argument, NULL, HELP_OPTION }, - { "version", no_argument, NULL, VERSION_OPTION }, - { NULL, 0, NULL, 0 } -}; - -void printHexMsg(unsigned char *ptr, int size, char result[]) -{ - int i = 0; - int j = 0; - char High, Low; - for (i = 0 ; i < size ; i ++) - { - High = ptr[i]>>4; - Low = ptr[i]&0x0F; - - if (High >= 0xA && High <= 0xF) - High += 0x37; - else if(High >= 0x0 && High <= 0x9) - High += 0x30; - - if (Low >= 0xA && Low <= 0xF) - Low += 0x37; - else if(Low >= 0x0 && Low <= 0x9) - Low += 0x30; - - result[j++] = High; - result[j++] = Low; - } - result[i] = 0; -} - -int HashTextMode(char file_name[], char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"r"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - char *hello; - hello = (char*) malloc (size_fp_in); - fgets(hello,size_fp_in,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashBinaryMode(char file_name[],char MsgDigest[]) -{ - FILE *fp_in = fopen(file_name,"rb"); - struct stat st; - stat(file_name, &st); - long size_fp_in = st.st_size; - - if(fp_in == NULL) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - printf(" %s FAILED open or read\n",file_name); - return -1 ; - } - - unsigned char *hello; - hello = (unsigned char*) malloc (size_fp_in); - fread(hello,size_fp_in,1,fp_in); - - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,hello,size_fp_in,output); - - printHexMsg(output,hashbitlen/4,MsgDigest); - - fclose(fp_in); - return 1; -} - -int HashStringMode(char Msg[],char MsgDigest[]) -{ - unsigned char output[hashbitlen/4]; - Hash(hashbitlen,(unsigned char*) Msg,sizeof(Msg),output); - printHexMsg(output,hashbitlen/4,MsgDigest); - return 1; -} - -/* - * return 1 : is File - * return 2 : is Directory - * return -1 : Something else. - */ -int isFile(char argument[]) -{ - struct stat s; - if( stat(argument,&s) == 0 ) - { - if( s.st_mode & S_IFDIR ) - { - return 2; - } - else if( s.st_mode & S_IFREG ) - { - return 1; - } - } - else - return -1; - return 0; -} - -int isProper(char MsgDigest[]) -{ - if ((strlen(MsgDigest) - hashbitlen/4) != 0) - return 0; - int index = 0; - char c = 0; - for(index = 0; index < strlen(MsgDigest);index++) - { - c = MsgDigest[index]; - if(!(( c >= '0' && c <= '9' ) || ( c >= 'A' && c <= 'F'))) - return 0; - } - - return 1; -} - - -int decomposeHashLine(char hash[], char MsgDigest_tmp[], char file_tmp[]) -{ - char c = 0; - int i = 0 , j =0; - int isTagFile = 0; - char alg[20]; - char tmp[1000]; - while(((c = hash[i])!=' ')&&((c = hash[i])!='_')) - { - tmp[i] = hash[i]; - i++; - } - tmp[i] = 0; - - sprintf(alg,"skein%d",hashbitlen); - if(!strcmp(alg,tmp)) - { - isTagFile = 1; - } - - if(isTagFile == 0) - { - strcpy(MsgDigest_tmp,tmp); - i++; - while((c = hash[i])!= '\n') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - } - else if((hash[i]=='_')&&(hash[i+1]=='v')) - { - i = i + 2; - j = 0; - char version[5]; - while((c = hash[i])!=' ') - { - version[j] = hash[i]; - i++; - j++; - } - version[i] = 0; - float vers = 0, skeinVers = 0; - sscanf(version,"%f",&vers); - sscanf(skeinVersion,"%f",&skeinVers); - - j = 0; - i = i + 2; - while((c = hash[i])!=')') - { - file_tmp[j] = hash[i]; - i++; - j++; - } - file_tmp[j] = 0; - - i = i + 4; - j = 0; - while((c = hash[i])!='\n') - { - MsgDigest_tmp[j] = hash[i]; - i++; - j++; - } - MsgDigest_tmp[j] = 0; - - if(skeinVers < vers) - {//version newer than mine - return (-1); - } - else if (skeinVers > vers) - {//going to use older version than mine - return (0) ; - } - else - { //versions match - return (1); - } - } - return 1; - -} - - - -int main(int argc, char** argv) -{ - char MsgDigest[hashbitlen/2]; - char **list_files = (char**) malloc(MaxNmberFiles* sizeof(char*)); - int number_files = 0; - int binary = -1, - check = -1, - quiet = -1, - warn = -1, - status = -1, - help = -1, - version = -1, - tag = -1, - hashString = -1, - badParam = -1; - - int errorFound = 0; - int opt = 0; -/***************************************************************************************** - ************************************* GETTING DATA *********************************** - *****************************************************************************************/ - while ((opt = getopt_long (argc, argv, "bctw", long_options, NULL)) != -1) - { - switch (opt) - { - case 'b' : - { - binary = 1; - break; - } - case 't' : - { - binary = 0; - break; - } - case 'c' : - { - check = 1; - break; - } - case QUIET_OPTION : - { - quiet = 1; - break; - } - case 'w' : - { - warn = 1; - break; - } - case STATUS_OPTION : - { - status = 1; - break; - } - case HELP_OPTION : - { - help = 1; - break; - } - case VERSION_OPTION : - { - version = 1; - break; - } - case TAG_OPTION : - { - tag = 1; - break; - } - case 0 : - { - hashString = 1; - break; - } - default : - { - badParam = 1; - break; - } - } - } - - if(badParam == 1) - { - printf("Try `skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - - for (; optind < argc; ++optind) - { - switch (opt) - { - case -1: - {// no options found, test if there is a file and hash it - if(isFile(argv[optind]) == 1) - { - char *file_name = malloc(sizeof(argv[optind])); - file_name = argv[optind]; - list_files[number_files] = (char*) malloc (sizeof(file_name)); - list_files[number_files] = file_name; - number_files ++; - } - else if (isFile(argv[optind]) == 2) - { - printf("skein%dsum: %s Is a directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,argv[optind]); - errorFound = 1; - } - break; - } - } - } -/***************************************************************************************** - ************************************* PROCESSING DATA *********************************** - *****************************************************************************************/ - if(argc > 1 && version == 1) - { - printf("skein512sum 1.0\n"); - printf("License GPLv3+: GNU GPL version 3 or later\n"); - printf("\n"); - printf("This is free software: you are free to change and redistribute it.\n"); - printf("There is NO WARRANTY, to the extent permitted by law.\n"); - exit(1); - } - if(argc > 1 && help == 1) - { - - printf("Usage: skein%dsum [OPTION]... [FILE]...\n",hashbitlen); - printf("Print or check skein (%d-bit) checksums.\n",hashbitlen); - printf("With no FILE, or when FILE is -, read standard input.\n"); - printf("\n"); - printf("-b, --binary read in binary mode\n"); - printf("-c, --check read skein sums from the FILEs and check them\n"); - printf("--tag create a BSD-style checksum\n"); - printf("-t, --text read in text mode (default)\n"); - printf("\n"); - printf("The following three options are useful only when verifying checksums:\n"); - printf("--quiet don't print OK for each successfully verified file\n"); - printf("--status don't output anything, status code shows success\n"); - printf("-w, --warn warn about improperly formatted checksum lines\n"); - printf("\n"); - printf("--strict with --check, exit non-zero for any invalid input\n"); - printf("--help display this help and exit\n"); - printf("--version output version information and exit\n"); - printf("\n"); - printf("The sums are computed as described in version 1.3 of the Skein\n"); - printf("specification. When checking, the input should be a former output of\n"); - printf("this program. The default mode is to print a line with checksum, a\n"); - printf("character indicating input mode ('*' for binary, space for text), and\n"); - printf("name for each FILE.\n"); - exit(1); - } - - if(argc > 1 && binary == 1) - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(hashString == 1) - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,list_files[index_files]); - index_files++; - continue; - } - if(HashBinaryMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("*%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s *-\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == 0) // Text Mode - { - if (check == 1 || quiet == 1 || warn == 1 || status == 1) - { - printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(0); - } - if(number_files > 0) - { - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // read stdin for strings - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - - else if (argc > 1 && binary == -1) - { - if(check == -1) - {// hashing stdin entries - if(quiet == 1 || status == 1 || warn == 1) - { - if(quiet == 1) - printf("skein%dsum: the --quiet option is meaningful only when verifying checksums\n",hashbitlen); - if(status ==1) - printf("skein%dsum: the --status option is meaningful only when verifying checksums\n",hashbitlen); - if(warn == 1) - printf("skein%dsum: the --warn option is meaningful only when verifying checksums\n",hashbitlen); - - printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); - exit(1); - } - if(number_files > 0) - {// hashing files - int index_files = 0; - while(index_files < number_files) - { - if(HashTextMode(list_files[index_files],MsgDigest)!=-1) - { - if(tag == 1) - { - printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); - } - else - { - printf("%s ",MsgDigest); - printf("%s\n",list_files[index_files]); - } - } - index_files++; - } - } - else if(errorFound != 1) - { // hasing strings read from stdin - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - if(tag == 1) - { - printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); - } - else - { - printf("%s -\n",MsgDigest); - } - } - } - else if(check == 1) - { - if(tag == 1) - { - printf("skein%dsum: the --tag option is meaningless when verifying checksums\n",hashbitlen); - printf("Try 'skein%dsum --help' for more information\n",hashbitlen); - exit(1); - } - int index_files = 0; - while(index_files < number_files) - { - FILE *fp; - char hash[500], file_name[100], file_tmp[100], MsgDigest_tmp[hashbitlen/2]; - int NoMatch = 0, NotProper = 0, Computed = 0; - strcpy(file_name,list_files[index_files]); - //show everything - int line = 0; - fp = fopen(file_name,"r"); - if(fp!=NULL) - { - while(fgets(hash,500,fp)!=NULL) - { - line ++; - Computed++; - unsigned int hashVersion = decomposeHashLine(hash,MsgDigest_tmp,file_tmp); - if(hashVersion == -1) - { - printf("skein%d: %s is using newer version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should update your algorithm\n"); - continue; - } - else if( hashVersion == 0) - { - printf("skein%d: %s is using an older version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); - printf("You should use the older algorithm\n"); - continue; - } - else - { - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_tmp,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_tmp[0] == '*') - { - int index_file_tmp = 0; - for( ; file_tmp[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_tmp[index_file_tmp] = file_tmp[index_file_tmp + 1]; - } - file_tmp[index_file_tmp] = 0; - HashBinaryMode(file_tmp,MsgDigest); - } - else - { - HashTextMode(file_tmp,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_tmp); - } - } - else - { - printf("%s: FAILED\n",file_tmp); - NoMatch ++; - } - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - } - else - { - printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); - } - index_files++; - - } - - if(number_files == 0) - { - char longstring[1000]; - char file_name[30]; - char MsgDigest_tmp[hashbitlen/2]; - int Computed = 0, NotProper = 0, NoMatch = 0 , line = 0; - while((fgets(longstring,1000,stdin))!=NULL) - { - Computed++; - line ++; - decomposeHashLine(longstring,MsgDigest_tmp,file_name); - if(!isProper(MsgDigest_tmp)) - { - if(status != 1 && warn == 1) - { - printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_name,line,hashbitlen); - } - NotProper ++; - NoMatch ++; - continue; - } - if(file_name[0] == '*') - { - int index_file_tmp = 0; - for( ; file_name[index_file_tmp+1]!=0 ; index_file_tmp++) - { - file_name[index_file_tmp] = file_name[index_file_tmp + 1]; - } - file_name[index_file_tmp] = 0; - HashBinaryMode(file_name,MsgDigest); - } - else - { - HashTextMode(file_name,MsgDigest); - } - - if(!strcmp(MsgDigest,MsgDigest_tmp)) - { - if(quiet != 1) - { - printf("%s: OK\n",file_name); - } - } - else - { - printf("%s: FAILED\n",file_name); - NoMatch ++; - } - } - if(NoMatch) - { - printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", - hashbitlen,NoMatch,Computed); - } - if(NotProper) - { - printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); - } - - } - - - } - } - - if ((errorFound != 1) && (argc == 1 || (hashString == 1 && number_files == 0))) - { - char stri[100]; - char longstring[1000]; - longstring[0] = 0; - while((fgets(stri,100,stdin))!=NULL) - { - strcat(longstring,stri); - } - HashStringMode(longstring,MsgDigest); - printf("%s -\n",MsgDigest); - } - - return 1; -} +const int hashbitlen = 512; diff --git a/skein_cli.c b/skein_cli.c new file mode 100644 index 0000000..bbe820c --- /dev/null +++ b/skein_cli.c @@ -0,0 +1,743 @@ +/* Copyright (C) 2014 2015 Jason Self + +This file is part of skeinsum. + +skeinsum is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 3 of the License, or +(at your option) any later version. + +skeinsum is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with skeinsum. If not, see . +*/ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "SHA3api_ref.h" + +extern const int hashbitlen; + +#define MaxNmberFiles 10 +#define skeinVersion "1.3" +const size_t input_minbufsize = 32 * 1024; +const size_t input_maxbufsize = 32 * 1024 * 1024; + + +char invalidOption = 0; + +enum +{ + QUIET_OPTION = 11, + STATUS_OPTION, + TAG_OPTION, + HELP_OPTION, + VERSION_OPTION +}; + +static struct option const long_options[] = +{ + { "binary", no_argument, NULL, 'b' }, + { "check", no_argument, NULL, 'c' }, + { "quiet", no_argument, NULL, QUIET_OPTION }, + { "status", no_argument, NULL, STATUS_OPTION }, + { "text", no_argument, NULL, 't' }, + { "warn", no_argument, NULL, 'w' }, + { "tag", no_argument, NULL, TAG_OPTION }, + { "help", no_argument, NULL, HELP_OPTION }, + { "version", no_argument, NULL, VERSION_OPTION }, + { NULL, 0, NULL, 0 } +}; + +void printHexMsg(unsigned char *ptr, int size, char result[]) +{ + int i = 0; + int j = 0; + char High, Low; + for (i = 0 ; i < size ; i ++) + { + High = ptr[i]>>4; + Low = ptr[i]&0x0F; + + if (High >= 0xA && High <= 0xF) + High += 0x37; + else if(High >= 0x0 && High <= 0x9) + High += 0x30; + + if (Low >= 0xA && Low <= 0xF) + Low += 0x37; + else if(Low >= 0x0 && Low <= 0x9) + Low += 0x30; + + result[j++] = High; + result[j++] = Low; + } + result[i] = 0; +} + +int HashWithMode(char file_name[], char MsgDigest[], char mode) +{ + /* Try to get file info */ + struct stat st; + if (stat(file_name, &st) < 0) { + printf("skein%dsum: %s: STAT FAILED: %s\n", hashbitlen, file_name, strerror(errno)); + return -1; + } + + /* Get filesize */ + size_t fsize = st.st_size; + if (fsize != st.st_size) { + printf("skein%dsum: %s: SIZE WARNING: filesize %llu is too big for reading into memory!\n", + hashbitlen, file_name, (long long unsigned)st.st_size); + } + + /* Open file */ + FILE *fp_in = fopen(file_name, (mode == 't' ? "r" : "rb") ); + if (!fp_in) { + printf("skein%dsum: %s: OPEN FAILED: %s\n", hashbitlen, file_name, strerror(errno)); + return -1; + } + + /* Allocate buffer */ + size_t bufsize = fsize + 1; + if (bufsize < input_minbufsize) + bufsize = input_minbufsize; + + char *readbuf = malloc (bufsize); + if (!readbuf && bufsize > input_maxbufsize) { /* ..Try to get contents by smaller portions */ + bufsize = input_maxbufsize; + readbuf = malloc (bufsize); + } + + if (!readbuf) { + printf("skein%dsum: %s: MEM FAILED: %s\n", hashbitlen, file_name, strerror(errno)); + fclose(fp_in); + return -1; + } + + /* Read contents */ + size_t readpos = 0, readed, total_readed = 0; + + while (1) { + size_t maxread = bufsize - readpos; + readed = fread(readbuf, 1, maxread, fp_in); + if (readed > 0 && readed <= maxread) + total_readed += readed; + if (readed != maxread) + break; + if (getenv("SKEIN_DEBUG")) + printf("DEBUG: bufsize=%u (0x%x), readpos=%u (0x%x), maxread=%u (0x%x), total=%u (0x%x)\n", + bufsize, bufsize, readpos, readpos, maxread, maxread, total_readed, total_readed); + char *newbuf = NULL; + if (bufsize * 2 > bufsize) /* ..check overflow */ + newbuf = realloc(readbuf, bufsize * 2); + if (!newbuf) { + printf("skein%dsum: %s: MEM WARNING: %u bytes only readed from %llu\n", + hashbitlen, file_name, total_readed, (long long unsigned)st.st_size); + break; + } + readbuf = newbuf; + readpos += readed; + bufsize *= 2; + } + + if (total_readed < st.st_size && total_readed < bufsize) { + printf("skein%dsum: %s: READ WARNING: filesize=%llu, readed=%u, %s\n", + hashbitlen, file_name, (long long unsigned)st.st_size, total_readed, strerror(errno)); + } + + fclose(fp_in); + + unsigned char output[hashbitlen/4]; + Hash(hashbitlen, (unsigned char*) readbuf, total_readed, output); + + free(readbuf); + + printHexMsg(output,hashbitlen/4,MsgDigest); + + return 1; +} + +int HashTextMode(char file_name[], char MsgDigest[]) +{ + return HashWithMode(file_name, MsgDigest, 't'); +} + +int HashBinaryMode(char file_name[], char MsgDigest[]) +{ + return HashWithMode(file_name, MsgDigest, 'b'); +} + +int HashStringMode(char Msg[],char MsgDigest[]) +{ + unsigned char output[hashbitlen/4]; + Hash(hashbitlen,(unsigned char*) Msg,sizeof(Msg),output); + printHexMsg(output,hashbitlen/4,MsgDigest); + return 1; +} + +int isProper(char MsgDigest[]) +{ + if ((strlen(MsgDigest) - hashbitlen/4) != 0) + return 0; + int index = 0; + char c = 0; + for(index = 0; index < strlen(MsgDigest);index++) + { + c = MsgDigest[index]; + if(!(( c >= '0' && c <= '9' ) || ( c >= 'A' && c <= 'F'))) + return 0; + } + + return 1; +} + + +int decomposeHashLine(char hash[], char MsgDigest_tmp[], char file_tmp[]) +{ + char c = 0; + int i = 0 , j =0; + int isTagFile = 0; + char alg[20]; + char tmp[1000]; + while(((c = hash[i])!=' ')&&((c = hash[i])!='_')) + { + tmp[i] = hash[i]; + i++; + } + tmp[i] = 0; + + sprintf(alg,"skein%d",hashbitlen); + if(!strcmp(alg,tmp)) + { + isTagFile = 1; + } + + if(isTagFile == 0) + { + strcpy(MsgDigest_tmp,tmp); + i++; + while((c = hash[i])!= '\n') + { + file_tmp[j] = hash[i]; + i++; + j++; + } + file_tmp[j] = 0; + } + else if((hash[i]=='_')&&(hash[i+1]=='v')) + { + i = i + 2; + j = 0; + char version[5]; + while((c = hash[i])!=' ') + { + version[j] = hash[i]; + i++; + j++; + } + version[i] = 0; + float vers = 0, skeinVers = 0; + sscanf(version,"%f",&vers); + sscanf(skeinVersion,"%f",&skeinVers); + + j = 0; + i = i + 2; + while((c = hash[i])!=')') + { + file_tmp[j] = hash[i]; + i++; + j++; + } + file_tmp[j] = 0; + + i = i + 4; + j = 0; + while((c = hash[i])!='\n') + { + MsgDigest_tmp[j] = hash[i]; + i++; + j++; + } + MsgDigest_tmp[j] = 0; + + if(skeinVers < vers) + {//version newer than mine + return (-1); + } + else if (skeinVers > vers) + {//going to use older version than mine + return (0) ; + } + else + { //versions match + return (1); + } + } + return 1; + +} + +void print_version(void) +{ + printf("skein%dsum 1.0\n", hashbitlen); + printf("License GPLv3+: GNU GPL version 3 or later\n"); + printf("\n"); + printf("This is free software: you are free to change and redistribute it.\n"); + printf("There is NO WARRANTY, to the extent permitted by law.\n"); + exit(1); +} + +void print_usage(void) +{ + printf("Usage: skein%dsum [OPTION]... [FILE]...\n",hashbitlen); + printf("Print or check skein (%d-bit) checksums.\n",hashbitlen); + printf("With no FILE, or when FILE is -, read standard input.\n"); + printf("\n"); + printf("-b, --binary read in binary mode\n"); + printf("-c, --check read skein sums from the FILEs and check them\n"); + printf("--tag create a BSD-style checksum\n"); + printf("-t, --text read in text mode (default)\n"); + printf("\n"); + printf("The following three options are useful only when verifying checksums:\n"); + printf("--quiet don't print OK for each successfully verified file\n"); + printf("--status don't output anything, status code shows success\n"); + printf("-w, --warn warn about improperly formatted checksum lines\n"); + printf("\n"); + printf("--strict with --check, exit non-zero for any invalid input\n"); + printf("--help display this help and exit\n"); + printf("--version output version information and exit\n"); + printf("\n"); + printf("The sums are computed as described in version 1.3 of the Skein\n"); + printf("specification. When checking, the input should be a former output of\n"); + printf("this program. The default mode is to print a line with checksum, a\n"); + printf("character indicating input mode ('*' for binary, space for text), and\n"); + printf("name for each FILE.\n"); + exit(1); +} + + + +int main(int argc, char** argv) +{ + char MsgDigest[hashbitlen/2]; + char *list_files[MaxNmberFiles]; + int number_files = 0; + int binary = -1, + check = -1, + quiet = -1, + warn = -1, + status = -1, + tag = -1, + hashString = -1; + + int errorFound = 0; + int opt = 0; +/***************************************************************************************** + ************************************* GETTING DATA *********************************** + *****************************************************************************************/ + while ((opt = getopt_long (argc, argv, "bctw", long_options, NULL)) != -1) + { + switch (opt) { + case 0 : hashString = 1; break; + case 'b' : binary = 1; break; + case 't' : binary = 0; break; + case 'c' : check = 1; break; + case 'w' : warn = 1; break; + case QUIET_OPTION : quiet = 1; break; + case STATUS_OPTION : status = 1; break; + case TAG_OPTION : tag = 1; break; + + case HELP_OPTION : print_usage(); /* ..never returns */ + case VERSION_OPTION : print_version(); /* ..never returns */ + + default: + printf("Try `skein%dsum --help' for more information.\n",hashbitlen); + exit(1); + } + } + + for (; optind < argc; ++optind) + { + struct stat s; + if (stat(argv[optind], &s) < 0) + { + printf("skein%dsum: %s: no such file or directory\n", hashbitlen, argv[optind]); + errorFound = 1; + } + else if (s.st_mode & (S_IFREG|S_IFBLK)) /* ..regular file or block device? */ + { + if (number_files < MaxNmberFiles) { + list_files[number_files++] = argv[optind]; + } else { + printf("skein%dsum: %s: ignore because filelist is too long\n", + hashbitlen, argv[optind]); + } + } + else if (s.st_mode & S_IFDIR) + { + printf("skein%dsum: %s: is a directory\n",hashbitlen,argv[optind]); + errorFound = 1; + } + else + { + printf("skein%dsum: %s: wrong filetype 0x%Xu\n", + hashbitlen, argv[optind], s.st_mode); + errorFound = 1; + } + } + +/***************************************************************************************** + ************************************* PROCESSING DATA *********************************** + *****************************************************************************************/ + if(argc > 1 && binary == 1) + { + if (check == 1 || quiet == 1 || warn == 1 || status == 1) + { + printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); + printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); + exit(0); + } + if(number_files > 0) + { + int index_files = 0; + while(index_files < number_files) + { + if(hashString == 1) + { + printf("skein%dsum: %s: No such file or directory\n",hashbitlen,list_files[index_files]); + index_files++; + continue; + } + if(HashBinaryMode(list_files[index_files],MsgDigest)!=-1) + { + if(tag == 1) + { + printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); + } + else + { + printf("%s ",MsgDigest); + printf("*%s\n",list_files[index_files]); + } + } + index_files++; + } + } + else if(errorFound != 1) + { // read stdin for strings + char stri[100]; + char longstring[1000]; + longstring[0] = 0; + while((fgets(stri,100,stdin))!=NULL) + { + strcat(longstring,stri); + } + HashStringMode(longstring,MsgDigest); + if(tag == 1) + { + printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); + } + else + { + printf("%s *-\n",MsgDigest); + } + } + } + + else if (argc > 1 && binary == 0) // Text Mode + { + if (check == 1 || quiet == 1 || warn == 1 || status == 1) + { + printf("skein%dsum: the --binary and --text options are meaningless when verifying checksums\n",hashbitlen); + printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); + exit(0); + } + if(number_files > 0) + { + int index_files = 0; + while(index_files < number_files) + { + if(HashTextMode(list_files[index_files],MsgDigest)!=-1) + { + if(tag == 1) + { + printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); + } + else + { + printf("%s ",MsgDigest); + printf("%s\n",list_files[index_files]); + } + } + index_files++; + } + } + else if(errorFound != 1) + { // read stdin for strings + char stri[100]; + char longstring[1000]; + longstring[0] = 0; + while((fgets(stri,100,stdin))!=NULL) + { + strcat(longstring,stri); + } + HashStringMode(longstring,MsgDigest); + if(tag == 1) + { + printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); + } + else + { + printf("%s -\n",MsgDigest); + } + } + } + + else if (argc > 1 && binary == -1) + { + if(check == -1) + {// hashing stdin entries + if(quiet == 1 || status == 1 || warn == 1) + { + if(quiet == 1) + printf("skein%dsum: the --quiet option is meaningful only when verifying checksums\n",hashbitlen); + if(status ==1) + printf("skein%dsum: the --status option is meaningful only when verifying checksums\n",hashbitlen); + if(warn == 1) + printf("skein%dsum: the --warn option is meaningful only when verifying checksums\n",hashbitlen); + + printf("Try 'skein%dsum --help' for more information.\n",hashbitlen); + exit(1); + } + if(number_files > 0) + {// hashing files + int index_files = 0; + while(index_files < number_files) + { + if(HashTextMode(list_files[index_files],MsgDigest)!=-1) + { + if(tag == 1) + { + printf("skein%d_v%s (%s) = %s\n",hashbitlen,skeinVersion,list_files[index_files],MsgDigest); + } + else + { + printf("%s ",MsgDigest); + printf("%s\n",list_files[index_files]); + } + } + index_files++; + } + } + else if(errorFound != 1) + { // hasing strings read from stdin + char stri[100]; + char longstring[1000]; /* TODO!!! Fix buffer overflow!!! */ + longstring[0] = 0; + while((fgets(stri,100,stdin))!=NULL) + { + strcat(longstring,stri); + } + HashStringMode(longstring,MsgDigest); + if(tag == 1) + { + printf("skein%d_v%s (-) = %s\n",hashbitlen,skeinVersion,MsgDigest); + } + else + { + printf("%s -\n",MsgDigest); + } + } + } + else if(check == 1) + { + if(tag == 1) + { + printf("skein%dsum: the --tag option is meaningless when verifying checksums\n",hashbitlen); + printf("Try 'skein%dsum --help' for more information\n",hashbitlen); + exit(1); + } + int index_files = 0; + while(index_files < number_files) + { + FILE *fp; + char hash[500], file_name[100], file_tmp[100], MsgDigest_tmp[hashbitlen/2]; + int NoMatch = 0, NotProper = 0, Computed = 0; + strcpy(file_name,list_files[index_files]); + //show everything + int line = 0; + fp = fopen(file_name,"r"); + if(fp!=NULL) + { + while(fgets(hash,500,fp)!=NULL) + { + line ++; + Computed++; + unsigned int hashVersion = decomposeHashLine(hash,MsgDigest_tmp,file_tmp); + if(hashVersion == -1) + { + printf("skein%d: %s is using newer version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); + printf("You should update your algorithm\n"); + continue; + } + else if( hashVersion == 0) + { + printf("skein%d: %s is using an older version of skein%d algorithm\n",hashbitlen,file_tmp,hashbitlen); + printf("You should use the older algorithm\n"); + continue; + } + else + { + if(!isProper(MsgDigest_tmp)) + { + if(status != 1 && warn == 1) + { + printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_tmp,line,hashbitlen); + } + NotProper ++; + NoMatch ++; + continue; + } + if(file_tmp[0] == '*') + { + int index_file_tmp = 0; + for( ; file_tmp[index_file_tmp+1]!=0 ; index_file_tmp++) + { + file_tmp[index_file_tmp] = file_tmp[index_file_tmp + 1]; + } + file_tmp[index_file_tmp] = 0; + HashBinaryMode(file_tmp,MsgDigest); + } + else + { + HashTextMode(file_tmp,MsgDigest); + } + + if(!strcmp(MsgDigest,MsgDigest_tmp)) + { + if(quiet != 1) + { + printf("%s: OK\n",file_tmp); + } + } + else + { + printf("%s: FAILED\n",file_tmp); + NoMatch ++; + } + } + } + if(NoMatch) + { + printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", + hashbitlen,NoMatch,Computed); + } + if(NotProper) + { + printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); + } + } + else + { + printf("skein%dsum: %s: No such file or directory\n",hashbitlen,file_name); + } + index_files++; + + } + + if(number_files == 0) + { + char longstring[1000]; + char file_name[30]; + char MsgDigest_tmp[hashbitlen/2]; + int Computed = 0, NotProper = 0, NoMatch = 0 , line = 0; + while((fgets(longstring,1000,stdin))!=NULL) + { + Computed++; + line ++; + decomposeHashLine(longstring,MsgDigest_tmp,file_name); + if(!isProper(MsgDigest_tmp)) + { + if(status != 1 && warn == 1) + { + printf("skein%dsum: %s: %d: improperly formatted skein%d checksum line\n",hashbitlen,file_name,line,hashbitlen); + } + NotProper ++; + NoMatch ++; + continue; + } + if(file_name[0] == '*') + { + int index_file_tmp = 0; + for( ; file_name[index_file_tmp+1]!=0 ; index_file_tmp++) + { + file_name[index_file_tmp] = file_name[index_file_tmp + 1]; + } + file_name[index_file_tmp] = 0; + HashBinaryMode(file_name,MsgDigest); + } + else + { + HashTextMode(file_name,MsgDigest); + } + + if(!strcmp(MsgDigest,MsgDigest_tmp)) + { + if(quiet != 1) + { + printf("%s: OK\n",file_name); + } + } + else + { + printf("%s: FAILED\n",file_name); + NoMatch ++; + } + } + if(NoMatch) + { + printf("skein%dsum: WARNING: %d of %d computed checksums did NOT match\n", + hashbitlen,NoMatch,Computed); + } + if(NotProper) + { + printf("skein%dsum: WARNING: %d line is improperly formatted\n",hashbitlen,NotProper); + } + + } + + + } + } + + if ((errorFound != 1) && (argc == 1 || (hashString == 1 && number_files == 0))) + { + char stri[100]; + char longstring[1000]; + longstring[0] = 0; + while((fgets(stri,100,stdin))!=NULL) + { + strcat(longstring,stri); + } + HashStringMode(longstring,MsgDigest); + printf("%s -\n",MsgDigest); + } + + return 1; +} -- 2.31.1