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Diffstat (limited to 'engines/ccgost/gostsum.c')
| -rw-r--r-- | engines/ccgost/gostsum.c | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/engines/ccgost/gostsum.c b/engines/ccgost/gostsum.c deleted file mode 100644 index 252bd2cfed..0000000000 --- a/engines/ccgost/gostsum.c +++ /dev/null @@ -1,187 +0,0 @@ -/********************************************************************** - * gostsum.c * - * Copyright (c) 2005-2006 Cryptocom LTD * - * This file is distributed under the same license as OpenSSL * - * * - * Almost drop-in replacement for md5sum and sha1sum * - * which computes GOST R 34.11-94 hashsum instead * - * * - **********************************************************************/ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <limits.h> -#include <fcntl.h> -#include <string.h> -#include "gosthash.h" -#define BUF_SIZE 262144 -int hash_file(gost_hash_ctx * ctx, char *filename, char *sum, int mode); -int hash_stream(gost_hash_ctx * ctx, int fd, char *sum); -int get_line(FILE *f, char *hash, char *filename); -void help() -{ - fprintf(stderr, "gostsum [-bvt] [-c [file]]| [files]\n" - "\t-c check message digests (default is generate)\n" - "\t-v verbose, print file names when checking\n" - "\t-b read files in binary mode\n" - "\t-t use test GOST paramset (default is CryptoPro paramset)\n" - "The input for -c should be the list of message digests and file names\n" - "that is printed on stdout by this program when it generates digests.\n"); - exit(3); -} - -#ifndef O_BINARY -# define O_BINARY 0 -#endif - -int main(int argc, char **argv) -{ - int c, i; - int verbose = 0; - int errors = 0; - int open_mode = O_RDONLY; - gost_subst_block *b = &GostR3411_94_CryptoProParamSet; - FILE *check_file = NULL; - gost_hash_ctx ctx; - - while ((c = getopt(argc, argv, "bc::tv")) != -1) { - switch (c) { - case 'v': - verbose = 1; - break; - case 't': - b = &GostR3411_94_TestParamSet; - break; - case 'b': - open_mode |= O_BINARY; - break; - case 'c': - if (optarg) { - check_file = fopen(optarg, "r"); - if (!check_file) { - perror(optarg); - exit(2); - } - } else { - check_file = stdin; - } - break; - default: - fprintf(stderr, "invalid option %c", optopt); - help(); - } - } - init_gost_hash_ctx(&ctx, b); - if (check_file) { - char inhash[65], calcsum[65], filename[PATH_MAX]; - int failcount = 0, count = 0;; - if (check_file == stdin && optind < argc) { - check_file = fopen(argv[optind], "r"); - if (!check_file) { - perror(argv[optind]); - exit(2); - } - } - while (get_line(check_file, inhash, filename)) { - if (!hash_file(&ctx, filename, calcsum, open_mode)) { - exit(2); - } - count++; - if (strncmp(calcsum, inhash, 65) == 0) { - if (verbose) { - fprintf(stderr, "%s\tOK\n", filename); - } - } else { - if (verbose) { - fprintf(stderr, "%s\tFAILED\n", filename); - } else { - fprintf(stderr, - "%s: GOST hash sum check failed for '%s'\n", - argv[0], filename); - } - failcount++; - } - } - if (verbose && failcount) { - fprintf(stderr, - "%s: %d of %d file(f) failed GOST hash sum check\n", - argv[0], failcount, count); - } - exit(failcount ? 1 : 0); - } - if (optind == argc) { - char sum[65]; - if (!hash_stream(&ctx, fileno(stdin), sum)) { - perror("stdin"); - exit(1); - } - printf("%s -\n", sum); - exit(0); - } - for (i = optind; i < argc; i++) { - char sum[65]; - if (!hash_file(&ctx, argv[i], sum, open_mode)) { - errors++; - } else { - printf("%s %s\n", sum, argv[i]); - } - } - exit(errors ? 1 : 0); -} - -int hash_file(gost_hash_ctx * ctx, char *filename, char *sum, int mode) -{ - int fd; - if ((fd = open(filename, mode)) < 0) { - perror(filename); - return 0; - } - if (!hash_stream(ctx, fd, sum)) { - perror(filename); - return 0; - } - close(fd); - return 1; -} - -int hash_stream(gost_hash_ctx * ctx, int fd, char *sum) -{ - unsigned char buffer[BUF_SIZE]; - ssize_t bytes; - int i; - start_hash(ctx); - while ((bytes = read(fd, buffer, BUF_SIZE)) > 0) { - hash_block(ctx, buffer, bytes); - } - if (bytes < 0) { - return 0; - } - finish_hash(ctx, buffer); - for (i = 0; i < 32; i++) { - sprintf(sum + 2 * i, "%02x", buffer[31 - i]); - } - return 1; -} - -int get_line(FILE *f, char *hash, char *filename) -{ - int i; - if (fread(hash, 1, 64, f) < 64) - return 0; - hash[64] = 0; - for (i = 0; i < 64; i++) { - if (hash[i] < '0' || (hash[i] > '9' && hash[i] < 'A') - || (hash[i] > 'F' && hash[i] < 'a') || hash[i] > 'f') { - fprintf(stderr, "Not a hash value '%s'\n", hash); - return 0; - } - } - if (fgetc(f) != ' ') { - fprintf(stderr, "Malformed input line\n"); - return 0; - } - i = strlen(fgets(filename, PATH_MAX, f)); - while (filename[--i] == '\n' || filename[i] == '\r') - filename[i] = 0; - return 1; -} |