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author | Andrew Tridgell <tridge@samba.org> | 2008-06-04 09:25:16 -0700 |
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committer | Andrew Tridgell <tridge@samba.org> | 2008-06-04 09:25:16 -0700 |
commit | bc8c2a50e8a2467721e1739b28a6f4ce96162f4f (patch) | |
tree | cb6cff5e427212b15ace82903f6590c1f5544c93 /source4/lib/crypto/hmacsha1.c | |
parent | 70219bee139445ab6116def04e25c245871f8391 (diff) | |
parent | 71ce9975fa06948d95b2bf9184dbef113813337a (diff) | |
download | samba-bc8c2a50e8a2467721e1739b28a6f4ce96162f4f.tar.gz samba-bc8c2a50e8a2467721e1739b28a6f4ce96162f4f.tar.bz2 samba-bc8c2a50e8a2467721e1739b28a6f4ce96162f4f.zip |
Merge branch 'v4-0-test' of ssh://git.samba.org/data/git/samba into v4-0-test
(This used to be commit d206517f90ac02e829193c5a17e5df25059cf18d)
Diffstat (limited to 'source4/lib/crypto/hmacsha1.c')
-rw-r--r-- | source4/lib/crypto/hmacsha1.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/source4/lib/crypto/hmacsha1.c b/source4/lib/crypto/hmacsha1.c deleted file mode 100644 index 21ce966f60..0000000000 --- a/source4/lib/crypto/hmacsha1.c +++ /dev/null @@ -1,86 +0,0 @@ -/* - Unix SMB/CIFS implementation. - Interface header: HMAC SHA-1 code - Copyright (C) Stefan Metzmacher - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program 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 General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -/* - taken direct from rfc2202 implementation and modified for suitable use - */ - -#include "includes.h" -#include "lib/crypto/crypto.h" - -/*********************************************************************** - the rfc 2104/2202 version of hmac_sha1 initialisation. -***********************************************************************/ -_PUBLIC_ void hmac_sha1_init(const uint8_t *key, size_t key_len, struct HMACSHA1Context *ctx) -{ - int i; - uint8_t tk[SHA1HashSize]; - - /* if key is longer than 64 bytes reset it to key=MD5(key) */ - if (key_len > 64) - { - struct SHA1Context tctx; - - SHA1Init(&tctx); - SHA1Update(&tctx, key, key_len); - SHA1Final(tk, &tctx); - - key = tk; - key_len = SHA1HashSize; - } - - /* start out by storing key in pads */ - ZERO_STRUCT(ctx->k_ipad); - ZERO_STRUCT(ctx->k_opad); - memcpy( ctx->k_ipad, key, key_len); - memcpy( ctx->k_opad, key, key_len); - - /* XOR key with ipad and opad values */ - for (i=0; i<64; i++) - { - ctx->k_ipad[i] ^= 0x36; - ctx->k_opad[i] ^= 0x5c; - } - - SHA1Init(&ctx->ctx); - SHA1Update(&ctx->ctx, ctx->k_ipad, 64); -} - -/*********************************************************************** - update hmac_sha1 "inner" buffer -***********************************************************************/ -_PUBLIC_ void hmac_sha1_update(const uint8_t *data, size_t data_len, struct HMACSHA1Context *ctx) -{ - SHA1Update(&ctx->ctx, data, data_len); /* then text of datagram */ -} - -/*********************************************************************** - finish off hmac_sha1 "inner" buffer and generate outer one. -***********************************************************************/ -_PUBLIC_ void hmac_sha1_final(uint8_t digest[SHA1HashSize], struct HMACSHA1Context *ctx) -{ - struct SHA1Context ctx_o; - - SHA1Final(digest, &ctx->ctx); - - SHA1Init(&ctx_o); - SHA1Update(&ctx_o, ctx->k_opad, 64); - SHA1Update(&ctx_o, digest, SHA1HashSize); - SHA1Final(digest, &ctx_o); -} |