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lib:crypto: Remove unused SHA256 and HMAC SHA256
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
parent
83d228b66a
commit
826e37218d
@ -23,8 +23,6 @@
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#include "../lib/crypto/md4.h"
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#include "../lib/crypto/md5.h"
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#include "../lib/crypto/hmacmd5.h"
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#include "../lib/crypto/sha256.h"
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#include "../lib/crypto/hmacsha256.h"
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#include "../lib/crypto/arcfour.h"
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#include "../lib/crypto/aes.h"
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#include "../lib/crypto/aes_cmac_128.h"
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@ -1,92 +0,0 @@
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/*
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Unix SMB/CIFS implementation.
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Interface header: HMAC SHA-256 code
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Copyright (C) Andrew Tridgell 2008
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based in hmacsha1.c which is:
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Copyright (C) Stefan Metzmacher
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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 3 of the License, or
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(at your option) 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, see <http://www.gnu.org/licenses/>.
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*/
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/*
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taken direct from rfc2202 implementation and modified for suitable use
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*/
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#include "replace.h"
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#include "lib/crypto/sha256.h"
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#include "lib/crypto/hmacsha256.h"
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/***********************************************************************
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the rfc 2104/2202 version of hmac_sha256 initialisation.
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***********************************************************************/
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_PUBLIC_ void hmac_sha256_init(const uint8_t *key, size_t key_len, struct HMACSHA256Context *ctx)
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{
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int i;
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uint8_t tk[SHA256_DIGEST_LENGTH];
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/* if key is longer than 64 bytes reset it to key=HASH(key) */
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if (key_len > 64)
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{
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SHA256_CTX tctx;
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samba_SHA256_Init(&tctx);
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samba_SHA256_Update(&tctx, key, key_len);
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samba_SHA256_Final(tk, &tctx);
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key = tk;
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key_len = SHA256_DIGEST_LENGTH;
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}
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/* start out by storing key in pads */
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ZERO_STRUCT(ctx->k_ipad);
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ZERO_STRUCT(ctx->k_opad);
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memcpy( ctx->k_ipad, key, key_len);
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memcpy( ctx->k_opad, key, key_len);
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/* XOR key with ipad and opad values */
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for (i=0; i<64; i++)
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{
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ctx->k_ipad[i] ^= 0x36;
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ctx->k_opad[i] ^= 0x5c;
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}
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samba_SHA256_Init(&ctx->ctx);
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samba_SHA256_Update(&ctx->ctx, ctx->k_ipad, 64);
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}
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/***********************************************************************
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update hmac_sha256 "inner" buffer
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***********************************************************************/
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_PUBLIC_ void hmac_sha256_update(const uint8_t *data, size_t data_len, struct HMACSHA256Context *ctx)
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{
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samba_SHA256_Update(&ctx->ctx, data, data_len); /* then text of datagram */
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}
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/***********************************************************************
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finish off hmac_sha256 "inner" buffer and generate outer one.
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***********************************************************************/
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_PUBLIC_ void hmac_sha256_final(uint8_t digest[SHA256_DIGEST_LENGTH], struct HMACSHA256Context *ctx)
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{
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SHA256_CTX ctx_o;
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samba_SHA256_Final(digest, &ctx->ctx);
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samba_SHA256_Init(&ctx_o);
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samba_SHA256_Update(&ctx_o, ctx->k_opad, 64);
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samba_SHA256_Update(&ctx_o, digest, SHA256_DIGEST_LENGTH);
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samba_SHA256_Final(digest, &ctx_o);
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}
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@ -1,38 +0,0 @@
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/*
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Unix SMB/CIFS implementation.
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Interface header: HMAC SHA256 code
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Copyright (C) Andrew Tridgell 2008
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based on hmacsha1.h which is:
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Copyright (C) Stefan Metzmacher 2006
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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 3 of the License, or
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(at your option) 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _HMAC_SHA256_H
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struct HMACSHA256Context {
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SHA256_CTX ctx;
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uint8_t k_ipad[65];
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uint8_t k_opad[65];
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};
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void hmac_sha256_init(const uint8_t *key, size_t key_len, struct HMACSHA256Context *ctx);
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void hmac_sha256_update(const uint8_t *data, size_t data_len, struct HMACSHA256Context *ctx);
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void hmac_sha256_final(uint8_t digest[SHA256_DIGEST_LENGTH], struct HMACSHA256Context *ctx);
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#endif /* _HMAC_SHA256_H */
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@ -1,253 +0,0 @@
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/*
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based on heildal lib/hcrypto/sha256.c. Copied to lib/crypto to avoid a link
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problem. Hopefully will be removed once we solve this link problem
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(tridge)
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*/
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/*
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* Copyright (c) 2006 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "replace.h"
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#include "sha256.h"
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#define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
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#define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
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#define ROTR(x,n) (((x)>>(n)) | ((x) << (32 - (n))))
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#define Sigma0(x) (ROTR(x,2) ^ ROTR(x,13) ^ ROTR(x,22))
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#define Sigma1(x) (ROTR(x,6) ^ ROTR(x,11) ^ ROTR(x,25))
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#define sigma0(x) (ROTR(x,7) ^ ROTR(x,18) ^ ((x)>>3))
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#define sigma1(x) (ROTR(x,17) ^ ROTR(x,19) ^ ((x)>>10))
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#define A m->counter[0]
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#define B m->counter[1]
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#define C m->counter[2]
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#define D m->counter[3]
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#define E m->counter[4]
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#define F m->counter[5]
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#define G m->counter[6]
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#define H m->counter[7]
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static const uint32_t constant_256[64] = {
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
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0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
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0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
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0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
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0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
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0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
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0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
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0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
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0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
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};
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void
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samba_SHA256_Init (SHA256_CTX *m)
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{
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m->sz[0] = 0;
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m->sz[1] = 0;
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A = 0x6a09e667;
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B = 0xbb67ae85;
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C = 0x3c6ef372;
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D = 0xa54ff53a;
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E = 0x510e527f;
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F = 0x9b05688c;
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G = 0x1f83d9ab;
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H = 0x5be0cd19;
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}
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static void
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calc (SHA256_CTX *m, uint32_t *in)
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{
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uint32_t AA, BB, CC, DD, EE, FF, GG, HH;
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uint32_t data[64];
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int i;
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AA = A;
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BB = B;
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CC = C;
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DD = D;
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EE = E;
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FF = F;
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GG = G;
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HH = H;
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for (i = 0; i < 16; ++i)
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data[i] = in[i];
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for (i = 16; i < 64; ++i)
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data[i] = sigma1(data[i-2]) + data[i-7] +
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sigma0(data[i-15]) + data[i - 16];
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for (i = 0; i < 64; i++) {
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uint32_t T1, T2;
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T1 = HH + Sigma1(EE) + Ch(EE, FF, GG) + constant_256[i] + data[i];
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T2 = Sigma0(AA) + Maj(AA,BB,CC);
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HH = GG;
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GG = FF;
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FF = EE;
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EE = DD + T1;
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DD = CC;
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CC = BB;
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BB = AA;
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AA = T1 + T2;
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}
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A += AA;
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B += BB;
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C += CC;
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D += DD;
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E += EE;
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F += FF;
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G += GG;
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H += HH;
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}
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/*
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* From `Performance analysis of MD5' by Joseph D. Touch <touch@isi.edu>
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*/
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#if !defined(WORDS_BIGENDIAN) || defined(_CRAY)
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/* Vector Crays doesn't have a good 32-bit type, or more precisely,
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int32_t as defined by <bind/bitypes.h> isn't 32 bits, and we don't
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want to depend in being able to redefine this type. To cope with
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this we have to clamp the result in some places to [0,2^32); no
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need to do this on other machines. Did I say this was a mess?
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*/
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#ifdef _CRAY
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#define CRAYFIX(X) ((X) & 0xffffffff)
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#else
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#define CRAYFIX(X) (X)
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#endif
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static inline uint32_t
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cshift (uint32_t x, unsigned int n)
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{
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x = CRAYFIX(x);
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return CRAYFIX((x << n) | (x >> (32 - n)));
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}
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static inline uint32_t
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swap_uint32_t (uint32_t t)
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{
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uint32_t temp1, temp2;
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temp1 = cshift(t, 16);
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temp2 = temp1 >> 8;
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temp1 &= 0x00ff00ff;
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temp2 &= 0x00ff00ff;
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temp1 <<= 8;
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return temp1 | temp2;
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}
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#endif
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struct x32{
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unsigned int a:32;
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unsigned int b:32;
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};
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void
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samba_SHA256_Update (SHA256_CTX *m, const void *v, size_t len)
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{
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const unsigned char *p = (const unsigned char *)v;
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size_t old_sz = m->sz[0];
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size_t offset;
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m->sz[0] += len * 8;
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if (m->sz[0] < old_sz)
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++m->sz[1];
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offset = (old_sz / 8) % 64;
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while(len > 0){
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size_t l = MIN(len, 64 - offset);
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memcpy(m->save + offset, p, l);
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offset += l;
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p += l;
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len -= l;
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if(offset == 64){
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#if !defined(WORDS_BIGENDIAN) || defined(_CRAY)
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int i;
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uint32_t current[16];
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struct x32 *u = (struct x32*)m->save;
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for(i = 0; i < 8; i++){
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current[2*i+0] = swap_uint32_t(u[i].a);
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current[2*i+1] = swap_uint32_t(u[i].b);
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}
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calc(m, current);
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#else
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calc(m, (uint32_t*)m->save);
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#endif
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offset = 0;
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}
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}
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}
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void
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samba_SHA256_Final (void *res, SHA256_CTX *m)
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{
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unsigned char zeros[72];
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unsigned offset = (m->sz[0] / 8) % 64;
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unsigned int dstart = (120 - offset - 1) % 64 + 1;
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*zeros = 0x80;
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memset (zeros + 1, 0, sizeof(zeros) - 1);
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zeros[dstart+7] = (m->sz[0] >> 0) & 0xff;
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zeros[dstart+6] = (m->sz[0] >> 8) & 0xff;
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zeros[dstart+5] = (m->sz[0] >> 16) & 0xff;
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zeros[dstart+4] = (m->sz[0] >> 24) & 0xff;
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zeros[dstart+3] = (m->sz[1] >> 0) & 0xff;
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zeros[dstart+2] = (m->sz[1] >> 8) & 0xff;
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zeros[dstart+1] = (m->sz[1] >> 16) & 0xff;
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zeros[dstart+0] = (m->sz[1] >> 24) & 0xff;
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samba_SHA256_Update (m, zeros, dstart + 8);
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{
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int i;
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unsigned char *r = (unsigned char*)res;
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for (i = 0; i < 8; ++i) {
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r[4*i+3] = m->counter[i] & 0xFF;
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r[4*i+2] = (m->counter[i] >> 8) & 0xFF;
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r[4*i+1] = (m->counter[i] >> 16) & 0xFF;
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r[4*i] = (m->counter[i] >> 24) & 0xFF;
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}
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}
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}
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@ -1,94 +0,0 @@
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/*
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* Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the Institute nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
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* SUCH DAMAGE.
|
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*/
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/* $Id: sha.h 17450 2006-05-05 11:11:43Z lha $ */
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#ifndef HEIM_SHA_H
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/*
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based on heildal lib/hcrypto/sha.h. Copied to lib/crypto to avoid a link
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problem. Hopefully will be removed once we solve this link problem
|
||||
|
||||
(tridge)
|
||||
*/
|
||||
#define HEIM_SHA_H 1
|
||||
|
||||
#if SHA1_RENAME_NEEDED
|
||||
/* symbol renaming */
|
||||
#define SHA1_Init hc_SHA1_Init
|
||||
#define SHA1_Update hc_SHA1_Update
|
||||
#define SHA1_Final hc_SHA1_Final
|
||||
#endif
|
||||
#if SHA256_RENAME_NEEDED
|
||||
/* symbol renaming */
|
||||
#define SHA256_Init hc_SHA256_Init
|
||||
#define SHA256_Update hc_SHA256_Update
|
||||
#define SHA256_Final hc_SHA256_Final
|
||||
#endif
|
||||
|
||||
/*
|
||||
* SHA-1
|
||||
*/
|
||||
|
||||
#define SHA_DIGEST_LENGTH 20
|
||||
|
||||
struct sha {
|
||||
unsigned int sz[2];
|
||||
uint32_t counter[5];
|
||||
unsigned char save[64];
|
||||
};
|
||||
|
||||
typedef struct sha SHA_CTX;
|
||||
|
||||
void SHA1_Init (struct sha *m);
|
||||
void SHA1_Update (struct sha *m, const void *v, size_t len);
|
||||
void SHA1_Final (void *res, struct sha *m);
|
||||
|
||||
/*
|
||||
* SHA-2 256
|
||||
*/
|
||||
|
||||
#define SHA256_DIGEST_LENGTH 32
|
||||
|
||||
struct hc_sha256state {
|
||||
unsigned int sz[2];
|
||||
uint32_t counter[8];
|
||||
unsigned char save[64];
|
||||
};
|
||||
|
||||
typedef struct hc_sha256state SHA256_CTX;
|
||||
|
||||
void samba_SHA256_Init (SHA256_CTX *);
|
||||
void samba_SHA256_Update (SHA256_CTX *, const void *, size_t);
|
||||
void samba_SHA256_Final (void *, SHA256_CTX *);
|
||||
|
||||
#endif /* HEIM_SHA_H */
|
@ -15,7 +15,7 @@ if bld.CONFIG_SET("HAVE_AESNI_INTEL"):
|
||||
extra_deps += ' aesni-intel'
|
||||
|
||||
bld.SAMBA_SUBSYSTEM('LIBCRYPTO',
|
||||
source='''hmacmd5.c md4.c arcfour.c sha256.c sha512.c hmacsha256.c
|
||||
source='''hmacmd5.c md4.c arcfour.c sha512.c
|
||||
aes.c rijndael-alg-fst.c aes_cmac_128.c aes_ccm_128.c aes_gcm_128.c
|
||||
''' + extra_source,
|
||||
deps='talloc' + extra_deps
|
||||
|
@ -13,8 +13,6 @@ conf.CHECK_FUNCS_IN('CC_MD5_Init', '', headers='CommonCrypto/CommonDigest.h',
|
||||
|
||||
if conf.CHECK_FUNCS('SHA1_Update'):
|
||||
conf.DEFINE('SHA1_RENAME_NEEDED', 1)
|
||||
if conf.CHECK_FUNCS('SHA256_Update'):
|
||||
conf.DEFINE('SHA256_RENAME_NEEDED', 1)
|
||||
if conf.CHECK_FUNCS('SHA512_Update'):
|
||||
conf.DEFINE('SHA512_RENAME_NEEDED', 1)
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user