133 lines
3.2 KiB
C
133 lines
3.2 KiB
C
/*
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Miroslav Lichvar 2012, 2018
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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**********************************************************************
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=======================================================================
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Routines implementing crypto hashing using tomcrypt library.
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*/
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#include <tomcrypt.h>
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#include "config.h"
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#include "hash.h"
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#include "util.h"
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struct hash {
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const char *name;
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const char *int_name;
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const struct ltc_hash_descriptor *desc;
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};
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static const struct hash hashes[] = {
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{ "MD5", "md5", &md5_desc },
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#ifdef LTC_RIPEMD128
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{ "RMD128", "rmd128", &rmd128_desc },
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#endif
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#ifdef LTC_RIPEMD160
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{ "RMD160", "rmd160", &rmd160_desc },
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#endif
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#ifdef LTC_RIPEMD256
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{ "RMD256", "rmd256", &rmd256_desc },
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#endif
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#ifdef LTC_RIPEMD320
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{ "RMD320", "rmd320", &rmd320_desc },
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#endif
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#ifdef LTC_SHA1
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{ "SHA1", "sha1", &sha1_desc },
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#endif
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#ifdef LTC_SHA256
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{ "SHA256", "sha256", &sha256_desc },
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#endif
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#ifdef LTC_SHA384
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{ "SHA384", "sha384", &sha384_desc },
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#endif
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#ifdef LTC_SHA512
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{ "SHA512", "sha512", &sha512_desc },
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#endif
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#ifdef LTC_SHA3
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{ "SHA3-224", "sha3-224", &sha3_224_desc },
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{ "SHA3-256", "sha3-256", &sha3_256_desc },
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{ "SHA3-384", "sha3-384", &sha3_384_desc },
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{ "SHA3-512", "sha3-512", &sha3_512_desc },
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#endif
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#ifdef LTC_TIGER
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{ "TIGER", "tiger", &tiger_desc },
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#endif
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#ifdef LTC_WHIRLPOOL
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{ "WHIRLPOOL", "whirlpool", &whirlpool_desc },
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#endif
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{ NULL, NULL, NULL }
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};
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int
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HSH_GetHashId(const char *name)
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{
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int i, h;
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for (i = 0; hashes[i].name; i++) {
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if (!strcmp(name, hashes[i].name))
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break;
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}
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if (!hashes[i].name)
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return -1; /* not found */
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h = find_hash(hashes[i].int_name);
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if (h >= 0)
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return h; /* already registered */
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/* register and try again */
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register_hash(hashes[i].desc);
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return find_hash(hashes[i].int_name);
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}
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unsigned int
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HSH_Hash(int id, const unsigned char *in1, unsigned int in1_len,
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const unsigned char *in2, unsigned int in2_len,
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unsigned char *out, unsigned int out_len)
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{
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unsigned char buf[MAX_HASH_LENGTH];
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unsigned long len;
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int r;
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len = sizeof (buf);
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if (in2)
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r = hash_memory_multi(id, buf, &len,
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in1, (unsigned long)in1_len,
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in2, (unsigned long)in2_len, NULL, 0);
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else
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r = hash_memory(id, in1, in1_len, buf, &len);
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if (r != CRYPT_OK)
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return 0;
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len = MIN(len, out_len);
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memcpy(out, buf, len);
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return len;
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}
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void
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HSH_Finalise(void)
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{
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}
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