if (optopt == 'V') {
tfc_say("tfcrypt toolkit, version %s.", _TFCRYPT_VERSION);
- if (ctr_mode != TFC_MODE_PLAIN) {
+ if (do_edcrypt != TFC_DO_PLAIN) {
char shash[64];
hash_defaults(shash, sizeof(shash));
tfc_say(" -a: shortcut of -O xtime.");
tfc_say(" -l length: read only these first bytes of source.");
tfc_say(" -O opts: set options (comma separated list):");
+ tfc_say(" ro: open all files only for reading, even those intended for writing,");
tfc_say(" sync: request a synchronous I/O for a output,");
tfc_say(" fsync: on each write() call a corresponding fsync(fd),");
tfc_say(" trunc: open(O_WRONLY) will truncate output file to zero size.");
+ tfc_say(" append: open(O_APPEND) will append data to output file.");
tfc_say(" pad: pad incomplete (l.t. %u bytes) block with zeroes.", TFC_U(TF_BLOCK_SIZE));
tfc_say(" xtime: copy timestamps from source to destination files.");
tfc_say(" gibsize: use SI units of size: 1k = 1000. Applies only to size prefixes.");
tfc_say(" when the whole status line width is smaller than tty width.");
tfc_say(" statless: emit less information in status line (only processed data).");
tfc_say(" iobs=val: set IO block size value. Must not exceed %u bytes.", TFC_U(TFC_BLKSIZE));
+ tfc_say(" nobuf: disable IO buffering, write as soon as data received (only for stream ciphers!)");
tfc_say(" iseek=val: seek source file/device by these val bytes.");
tfc_say(" oseek=val: seek destination file/device by these val bytes.");
+ tfc_say(" ioseek=val: seek both source and destination.");
+ tfc_say(" ioseek is equal to iseek and oseek.");
tfc_say(" count=val: process only these val bytes, both input and output.");
tfc_say(" ftrunc=val: truncate output file to these val bytes before closing it.");
tfc_say(" ftrunc=tail: truncate output's tail, leaving only processed data.");
tfc_say("them is specified as \"-\", then reads are performed from stdin.");
tfc_say("\n");
}
- else if (!strcmp(progname, "tfbase64")) {
+ else if (!strcmp(progname, "base64")) {
is_embedded_prog = YES;
tfc_say("usage: %s [-ed] [source] [output]", progname);
tfc_say("\n");
tfc_say("no error checking is performed.");
tfc_say("\n");
}
+ else if (!strcmp(progname, "xor")) {
+ is_embedded_prog = YES;
+ tfc_say("usage: %s [sourceX] [sourceY] [output]", progname);
+ tfc_say("\n");
+ tfc_say("tfcrypt embedded high performance XOR tool.");
+ tfc_say("It does XOR (multiply modulo 2) of each byte from sourceX");
+ tfc_say("each byte of sourceY and writes output.");
+ tfc_say("If filenames omitted, it is assumed to operate over");
+ tfc_say("standard in to standard out.");
+ tfc_say("If any of source files is shorter than another,");
+ tfc_say("then output is truncated to length of the shortest one.");
+ tfc_say("\n");
+ tfc_say("No error checking is performed.");
+ tfc_say("Please use iotool options there.");
+ tfc_say("\n");
+ }
else if (!strcmp(progname, "tfbench")) {
is_embedded_prog = YES;
tfc_say("usage: %s seconds", progname);
tfc_say(" -w: overwrite source file. If not file, ignored.");
tfc_say(" -n TURNS: number of turns to perform in Skein function.");
tfc_say(" Default is always defined when building tfcrypt.");
- tfc_say(" -C mode: mode of operation: CTR, STREAM, XTS, ECB, CBC, OCB.");
+ tfc_say(" -C mode: mode of operation: CTR, STREAM, XTS, ECB, CBC.");
tfc_say(" Default encryption mode can be changed when building tfcrypt.");
tfc_say(" -c opt: initial CTR value initialisation mode:");
tfc_say(" show: do default action, then dump CTR value to stderr,");
tfc_say(" Multiple -E specifiers may be given in separate options.");
tfc_say(" -o logfile: redirect all messages to logfile instead of stderr.");
tfc_say(" -O opts: set options (comma separated list):");
+ tfc_say(" ro: open all files only for reading, even those intended for writing,");
tfc_say(" sync: request a synchronous I/O for a output,");
tfc_say(" fsync: on each write() call a corresponding fsync(fd),");
tfc_say(" trunc: open(O_WRONLY) will truncate output file to zero size.");
+ tfc_say(" append: open(O_APPEND) will append data to output file.");
tfc_say(" pad: pad incomplete (l.t. %u bytes) block with zeroes.", TFC_U(TF_BLOCK_SIZE));
tfc_say(" xtime: copy timestamps from source to destination files.");
tfc_say(" gibsize: use SI units of size: 1k = 1000. Applies only to size prefixes.");
tfc_say(" shorthex: with -H, do not print printable characters, dump only hex string.");
tfc_say(" logfile: (same as -o) redirect all messages to logfile instead of stderr.");
tfc_say(" iobs=val: set IO block size value. Must not exceed %u bytes.", TFC_U(TFC_BLKSIZE));
+ tfc_say(" nobuf: disable IO buffering, write as soon as data received (only for stream ciphers!)");
tfc_say(" xtsblocks=val: use these nr of TF blocks per XTS block. Default is %u.", TFC_U(TFC_XTSBLOCKS));
tfc_say(" iseek=val: seek source file/device by these val bytes.");
tfc_say(" Initial counter is adjusted automatically.");
tfc_say(" ixctr=val: Increment initial counter by this val bytes.");
tfc_say(" Internally this number is translated into number of %u byte blocks.", TFC_U(TF_BLOCK_SIZE));
tfc_say(" oseek=val: seek destination file/device by these val bytes.");
+ tfc_say(" ioseek=val: seek both source and destination.");
+ tfc_say(" ioseek is equal to iseek and oseek.");
tfc_say(" count=val: process only these val bytes, both input and output.");
tfc_say(" ftrunc=val: truncate output file to these val bytes before closing it.");
tfc_say(" ftrunc=tail: truncate output's tail, leaving only processed data.");
tfc_say(" xctr=val: specify size in bytes of initial counter prepended or read.");
tfc_say(" fullkey: occupy tweak space by key space, extending key size by 256 bits.");
tfc_say(" -P: plain IO mode: disable encryption/decryption code at all.");
+ tfc_say(" -X: XOR IO mode: same as -P but do XOR of two streams.");
tfc_say("\n");
tfc_say("Default is to ask for password, then encrypt stdin into stdout.");
tfc_say("Some cmdline parameters may be mutually exclusive, or they can");
projects / tfcrypt.git / blobdiff