}
unsigned char output[hashbitlen/4];
- Hash(hashbitlen, (unsigned char*) readbuf, total_readed, output);
+ Hash(hashbitlen, (unsigned char*) readbuf, total_readed * 8, output);
free(readbuf);
return (NotProper || NoMatch) ? -1 : 1;
}
+void PrintStringHash(const char *s)
+{
+ unsigned char output[hashbitlen/4];
+ char digest[hashbitlen/4 + 1];
+ Hash(hashbitlen, s, strlen(s) * 8, output);
+ hash2hexstr(output, digest);
+ printf("%s -%s\n", digest, s);
+}
+
void print_version(void)
{
printf("skein%dsum 1.0\n", hashbitlen);
{
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");
+ printf("With no FILE, or when FILE is -, read standard input.\n"
+ "\n"
+ "-b, --binary read in binary mode\n"
+ "-c, --check read skein sums from the FILEs and check them\n"
+ "--tag create a BSD-style checksum\n"
+ "-t, --text read in text mode (default)\n"
+ "-0 hash strings from command line\n"
+ "\n"
+ "The following three options are useful only when verifying checksums:\n"
+ "--quiet don't print OK for each successfully verified file\n"
+ "--status don't output anything, status code shows success\n"
+ "-w, --warn warn about improperly formatted checksum lines\n"
+ "\n"
+ "--strict with --check, exit non-zero for any invalid input\n"
+ "-h, --help display this help and exit\n"
+ "-V, --version output version information and exit\n"
+ "\n"
+ "The sums are computed as described in version 1.3 of the Skein\n"
+ "specification. When checking, the input should be a former output of\n"
+ "this program. The default mode is to print a line with checksum, a\n"
+ "character indicating input mode ('*' for binary, space for text), and\n"
+ "name for each FILE.\n");
exit(1);
}
return 1; /* try it as good */
}
+int warn_check_opts(int quiet, int warn, int status)
+{
+ int n = 0;
+ if(quiet == 1)
+ n = WARN("the --quiet option is meaningful only when verifying checksums\n");
+ if(status ==1)
+ n = WARN("the --status option is meaningful only when verifying checksums\n");
+ if(warn == 1)
+ n = WARN("the --warn option is meaningful only when verifying checksums\n");
+ return n;
+}
+
+int warn_gen_opts(int tag, int binary)
+{
+ int n = 0;
+ if (tag == 1)
+ n = WARN("the --tag option is meaningful only when calculating file checksums\n");
+ if (binary >= 0)
+ n = WARN("the --text and --binary options are meaningful only when calculating file checksums\n");
+ return n;
+}
int main(int argc, char** argv)
{
/*****************************************************************************************
************************************* GETTING DATA ***********************************
*****************************************************************************************/
- while ((opt = getopt_long (argc, argv, "hVbctw", long_options, NULL)) != -1)
+ while ((opt = getopt_long (argc, argv, "hVbctw0", long_options, NULL)) != -1)
{
switch (opt) {
- case 0 : hashString = 1; break;
+ case '0' : hashString = 1; break;
case 'b' : binary = 1; break;
case 't' : binary = 0; break;
case 'c' : check = 1; break;
************************************* PROCESSING DATA ***********************************
*****************************************************************************************/
- if (check < 0) /* READ FILES, GENERATE CHECKSUMS AND PRINT TO STDOUT.. */
+ if (hashString > 0)
{
- if (quiet == 1 || warn == 1 || status == 1)
- {
- if(quiet == 1)
- WARN("the --quiet option is meaningful only when verifying checksums\n");
- if(status ==1)
- WARN("the --status option is meaningful only when verifying checksums\n");
- if(warn == 1)
- WARN("the --warn option is meaningful only when verifying checksums\n");
+ if (warn_check_opts(quiet, warn, status) + warn_gen_opts(tag, binary))
+ TRYHELP_GOODBYE();
+
+ int n = first_file;
+ if (n >= argc) {
+ WARN("command line should contain strings for hashing\n");
TRYHELP_GOODBYE();
}
+ while (n < argc)
+ PrintStringHash(argv[n++]);
+ return 0;
+ }
+
+ if (check < 0) /* READ FILES, GENERATE CHECKSUMS AND PRINT TO STDOUT.. */
+ {
+ if (warn_check_opts(quiet, warn, status))
+ TRYHELP_GOODBYE();
char mode = binary > 0 ? 'b' : 't';
if (check == 1) /* READ LISTFILES, GENERATE HASHES, COMPARE WITH STORED, PRINT RESULT */
{
- if (tag == 1 || binary >= 0)
- {
- if (tag == 1)
- WARN("the --tag option is meaningless when verifying checksums\n");
- if (binary >= 0)
- WARN("the --text and --binary options are meaningless when verifying checksums\n");
+ if (warn_gen_opts(tag, binary))
TRYHELP_GOODBYE();
- }
int file_index;
for (file_index = first_file; file_index < argc; file_index++)