77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
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/***************************************************************************
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hash.h
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(c) Benoît Minisini <benoit.minisini@gambas-basic.org>
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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 the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#ifndef __HASH_H
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#define __HASH_H
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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typedef struct md5_ctx_t {
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uint8_t wbuffer[64]; /* always correctly aligned for uint64_t */
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void (*process_block)(struct md5_ctx_t*);
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uint64_t total64; /* must be directly before hash[] */
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uint32_t hash[8]; /* 4 elements for md5, 5 for sha1, 8 for sha256 */
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} md5_ctx_t;
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typedef struct md5_ctx_t sha1_ctx_t;
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typedef struct md5_ctx_t sha256_ctx_t;
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typedef struct sha512_ctx_t {
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uint64_t total64[2]; /* must be directly before hash[] */
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uint64_t hash[8];
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uint8_t wbuffer[128]; /* always correctly aligned for uint64_t */
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} sha512_ctx_t;
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typedef struct sha3_ctx_t {
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uint64_t state[25];
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unsigned bytes_queued;
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unsigned input_block_bytes;
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} sha3_ctx_t;
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void md5_begin(md5_ctx_t *ctx);
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void md5_hash(md5_ctx_t *ctx, const void *buffer, size_t len);
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unsigned md5_end(md5_ctx_t *ctx, void *resbuf);
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void sha1_begin(sha1_ctx_t *ctx);
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#define sha1_hash md5_hash
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unsigned sha1_end(sha1_ctx_t *ctx, void *resbuf);
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void sha256_begin(sha256_ctx_t *ctx);
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#define sha256_hash md5_hash
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#define sha256_end sha1_end
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void sha512_begin(sha512_ctx_t *ctx);
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void sha512_hash(sha512_ctx_t *ctx, const void *buffer, size_t len);
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unsigned sha512_end(sha512_ctx_t *ctx, void *resbuf);
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void sha3_begin(sha3_ctx_t *ctx);
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void sha3_hash(sha3_ctx_t *ctx, const void *buffer, size_t len);
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unsigned sha3_end(sha3_ctx_t *ctx, void *resbuf);
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/* TLS benefits from knowing that sha1 and sha256 share these. Give them "agnostic" names too */
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typedef struct md5_ctx_t md5sha_ctx_t;
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#define md5sha_hash md5_hash
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#define sha_end sha1_end
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enum {
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MD5_OUTSIZE = 16,
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SHA1_OUTSIZE = 20,
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SHA256_OUTSIZE = 32,
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SHA512_OUTSIZE = 64,
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SHA3_OUTSIZE = 28,
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};
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#endif
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