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78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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/*
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Copyright (C) 2018 MariaDB Corporation AB
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but 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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not see <http://www.gnu.org/licenses>
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or write to the Free Software Foundation, Inc.,
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51 Franklin St., Fifth Floor, Boston, MA 02110, USA
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*/
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#include <ma_crypt.h>
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#include <gnutls/gnutls.h>
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#include <gnutls/crypto.h>
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static gnutls_digest_algorithm_t ma_hash_get_algorithm(unsigned int alg)
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{
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switch(alg)
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{
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case MA_HASH_MD5:
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return GNUTLS_DIG_MD5;
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case MA_HASH_SHA1:
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return GNUTLS_DIG_SHA1;
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case MA_HASH_SHA256:
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return GNUTLS_DIG_SHA256;
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case MA_HASH_SHA384:
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return GNUTLS_DIG_SHA384;
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case MA_HASH_SHA512:
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return GNUTLS_DIG_SHA512;
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case MA_HASH_RIPEMD160:
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return GNUTLS_DIG_RMD160;
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default:
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return GNUTLS_DIG_UNKNOWN;
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}
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}
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MA_HASH_CTX *ma_hash_new(unsigned int algorithm, MA_HASH_CTX *unused_ctx __attribute__((unused)))
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{
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gnutls_hash_hd_t ctx= NULL;
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gnutls_digest_algorithm_t hash_alg= ma_hash_get_algorithm(algorithm);
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/* unknown or unsupported hash algorithm */
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if (hash_alg == GNUTLS_DIG_UNKNOWN)
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return NULL;
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if (gnutls_hash_init(&ctx, hash_alg) < 0)
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return NULL;
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return (MA_HASH_CTX *)ctx;
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}
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void ma_hash_free(MA_HASH_CTX *ctx)
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{
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if (ctx)
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gnutls_hash_deinit((gnutls_hash_hd_t)ctx, NULL);
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}
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void ma_hash_input(MA_HASH_CTX *ctx,
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const unsigned char *buffer,
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size_t len)
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{
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gnutls_hash((gnutls_hash_hd_t)ctx, (const void *)buffer, len);
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}
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void ma_hash_result(MA_HASH_CTX *ctx, unsigned char *digest)
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{
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gnutls_hash_output((gnutls_hash_hd_t)ctx, digest);
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}
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