diff options
Diffstat (limited to 'libotr/libgcrypt-1.8.7/tests/gchash.c')
-rw-r--r-- | libotr/libgcrypt-1.8.7/tests/gchash.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/libotr/libgcrypt-1.8.7/tests/gchash.c b/libotr/libgcrypt-1.8.7/tests/gchash.c new file mode 100644 index 0000000..83dc7b5 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/tests/gchash.c @@ -0,0 +1,123 @@ +/* gchash.c - Calculate hash values + * Copyright (C) 2013 Dmitry Eremin-Solenikov + * + * This file is part of Libgcrypt. + * + * Libgcrypt is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * Libgcrypt 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif +#include <stdio.h> +#include <stdlib.h> +#include <ctype.h> + +#ifdef _GCRYPT_IN_LIBGCRYPT +# undef _GCRYPT_IN_LIBGCRYPT +# include "gcrypt.h" +#else +# include <gcrypt.h> +#endif + +#define PGM "gchash" +#include "t-common.h" + + +void +init_gcrypt (void) +{ + if (!gcry_check_version (GCRYPT_VERSION)) { + fputs ("libgcrypt version mismatch\n", stderr); + exit (2); + } + + xgcry_control (GCRYCTL_SUSPEND_SECMEM_WARN); + + /* Allocate a pool of 16k secure memory. This make the secure memory + * available and also drops privileges where needed. */ + xgcry_control (GCRYCTL_INIT_SECMEM, 16384, 0); + + xgcry_control (GCRYCTL_RESUME_SECMEM_WARN); + + xgcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0); +} + +int +main (int argc, char **argv) +{ + gcry_md_hd_t hd; + gcry_error_t err; + int algo; + + init_gcrypt(); + + if (argc < 2 || (argv[1] && !strcmp(argv[1], "--help"))) + { + fprintf (stderr, "Usage: %s <digest> <file>...\n", argv[0]); + return 1; + } + + algo = gcry_md_map_name (argv[1]); + if (algo == GCRY_MD_NONE) + { + fprintf (stderr, "Unknown algorithm '%s'\n", argv[1]); + return 1; + } + + err = gcry_md_open(&hd, algo, 0); + if (err) + { + fprintf (stderr, "LibGCrypt error %s/%s\n", + gcry_strsource (err), + gcry_strerror (err)); + exit (1); + } + + for (argv += 2; *argv; argv++) + { + FILE *fp; + unsigned char buf[1024]; + size_t size; + int i; + unsigned char *h; + if (!strcmp (*argv, "-")) + fp = stdin; + else + fp = fopen (*argv, "r"); + + if (fp == NULL) + { + perror ("fopen"); + return 1; + } + + while (!feof (fp)) + { + size = fread (buf, 1, sizeof(buf), fp); + gcry_md_write (hd, buf, size); + } + + h = gcry_md_read(hd, 0); + + for (i = 0; i < gcry_md_get_algo_dlen (algo); i++) + printf("%02x", h[i]); + printf(" %s\n", *argv); + + gcry_md_reset(hd); + } + + gcry_md_close(hd); + return 0; +} |