382 lines
15 KiB
C
382 lines
15 KiB
C
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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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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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.] */
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#include <openssl/sha.h>
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#include <string.h>
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#include <openssl/mem.h>
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#if !defined(OPENSSL_NO_ASM) && \
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(defined(OPENSSL_X86) || defined(OPENSSL_X86_64) || \
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defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64))
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#define SHA1_ASM
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#endif
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int SHA1_Init(SHA_CTX *sha) {
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memset(sha, 0, sizeof(SHA_CTX));
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sha->h0 = 0x67452301UL;
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sha->h1 = 0xefcdab89UL;
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sha->h2 = 0x98badcfeUL;
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sha->h3 = 0x10325476UL;
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sha->h4 = 0xc3d2e1f0UL;
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return 1;
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}
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uint8_t *SHA1(const uint8_t *data, size_t len, uint8_t *out) {
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SHA_CTX ctx;
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static uint8_t buf[SHA_DIGEST_LENGTH];
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/* TODO(fork): remove this static buffer. */
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if (out == NULL) {
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out = buf;
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}
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if (!SHA1_Init(&ctx)) {
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return NULL;
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}
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SHA1_Update(&ctx, data, len);
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SHA1_Final(out, &ctx);
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OPENSSL_cleanse(&ctx, sizeof(ctx));
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return out;
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}
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#define DATA_ORDER_IS_BIG_ENDIAN
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#define HASH_LONG uint32_t
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#define HASH_CTX SHA_CTX
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#define HASH_CBLOCK 64
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#define HASH_MAKE_STRING(c, s) \
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do { \
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uint32_t ll; \
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ll = (c)->h0; \
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(void) HOST_l2c(ll, (s)); \
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ll = (c)->h1; \
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(void) HOST_l2c(ll, (s)); \
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ll = (c)->h2; \
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(void) HOST_l2c(ll, (s)); \
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ll = (c)->h3; \
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(void) HOST_l2c(ll, (s)); \
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ll = (c)->h4; \
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(void) HOST_l2c(ll, (s)); \
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} while (0)
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#define HASH_UPDATE SHA1_Update
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#define HASH_TRANSFORM SHA1_Transform
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#define HASH_FINAL SHA1_Final
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#define HASH_BLOCK_DATA_ORDER sha1_block_data_order
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#define Xupdate(a, ix, ia, ib, ic, id) \
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((a) = (ia ^ ib ^ ic ^ id), ix = (a) = ROTATE((a), 1))
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#ifndef SHA1_ASM
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static
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#endif
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void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num);
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#include "../digest/md32_common.h"
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#define K_00_19 0x5a827999UL
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#define K_20_39 0x6ed9eba1UL
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#define K_40_59 0x8f1bbcdcUL
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#define K_60_79 0xca62c1d6UL
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/* As pointed out by Wei Dai <weidai@eskimo.com>, F() below can be simplified
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* to the code in F_00_19. Wei attributes these optimisations to Peter
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* Gutmann's SHS code, and he attributes it to Rich Schroeppel. #define
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* F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) I've just become aware of another
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* tweak to be made, again from Wei Dai, in F_40_59, (x&a)|(y&a) -> (x|y)&a */
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#define F_00_19(b, c, d) ((((c) ^ (d)) & (b)) ^ (d))
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#define F_20_39(b, c, d) ((b) ^ (c) ^ (d))
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#define F_40_59(b, c, d) (((b) & (c)) | (((b) | (c)) & (d)))
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#define F_60_79(b, c, d) F_20_39(b, c, d)
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#define BODY_00_15(i, a, b, c, d, e, f, xi) \
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(f) = xi + (e) + K_00_19 + ROTATE((a), 5) + F_00_19((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#define BODY_16_19(i, a, b, c, d, e, f, xi, xa, xb, xc, xd) \
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Xupdate(f, xi, xa, xb, xc, xd); \
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(f) += (e) + K_00_19 + ROTATE((a), 5) + F_00_19((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#define BODY_20_31(i, a, b, c, d, e, f, xi, xa, xb, xc, xd) \
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Xupdate(f, xi, xa, xb, xc, xd); \
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(f) += (e) + K_20_39 + ROTATE((a), 5) + F_20_39((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#define BODY_32_39(i, a, b, c, d, e, f, xa, xb, xc, xd) \
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Xupdate(f, xa, xa, xb, xc, xd); \
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(f) += (e) + K_20_39 + ROTATE((a), 5) + F_20_39((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#define BODY_40_59(i, a, b, c, d, e, f, xa, xb, xc, xd) \
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Xupdate(f, xa, xa, xb, xc, xd); \
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(f) += (e) + K_40_59 + ROTATE((a), 5) + F_40_59((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#define BODY_60_79(i, a, b, c, d, e, f, xa, xb, xc, xd) \
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Xupdate(f, xa, xa, xb, xc, xd); \
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(f) = xa + (e) + K_60_79 + ROTATE((a), 5) + F_60_79((b), (c), (d)); \
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(b) = ROTATE((b), 30);
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#ifdef X
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#undef X
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#endif
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/* Originally X was an array. As it's automatic it's natural
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* to expect RISC compiler to accomodate at least part of it in
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* the register bank, isn't it? Unfortunately not all compilers
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* "find" this expectation reasonable:-( On order to make such
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* compilers generate better code I replace X[] with a bunch of
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* X0, X1, etc. See the function body below...
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* <appro@fy.chalmers.se> */
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#define X(i) XX##i
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#if !defined(SHA1_ASM)
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static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num) {
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const uint8_t *data = p;
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register uint32_t A, B, C, D, E, T, l;
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uint32_t XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10,
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XX11, XX12, XX13, XX14, XX15;
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A = c->h0;
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B = c->h1;
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C = c->h2;
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D = c->h3;
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E = c->h4;
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for (;;) {
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const union {
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long one;
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char little;
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} is_endian = {1};
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if (!is_endian.little && ((size_t)p % 4) == 0) {
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const uint32_t *W = (const uint32_t *)data;
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X(0) = W[0];
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X(1) = W[1];
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BODY_00_15(0, A, B, C, D, E, T, X(0));
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X(2) = W[2];
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BODY_00_15(1, T, A, B, C, D, E, X(1));
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X(3) = W[3];
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BODY_00_15(2, E, T, A, B, C, D, X(2));
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X(4) = W[4];
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BODY_00_15(3, D, E, T, A, B, C, X(3));
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X(5) = W[5];
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BODY_00_15(4, C, D, E, T, A, B, X(4));
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X(6) = W[6];
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BODY_00_15(5, B, C, D, E, T, A, X(5));
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X(7) = W[7];
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BODY_00_15(6, A, B, C, D, E, T, X(6));
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X(8) = W[8];
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BODY_00_15(7, T, A, B, C, D, E, X(7));
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X(9) = W[9];
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BODY_00_15(8, E, T, A, B, C, D, X(8));
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X(10) = W[10];
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BODY_00_15(9, D, E, T, A, B, C, X(9));
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X(11) = W[11];
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BODY_00_15(10, C, D, E, T, A, B, X(10));
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X(12) = W[12];
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BODY_00_15(11, B, C, D, E, T, A, X(11));
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X(13) = W[13];
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BODY_00_15(12, A, B, C, D, E, T, X(12));
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X(14) = W[14];
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BODY_00_15(13, T, A, B, C, D, E, X(13));
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X(15) = W[15];
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BODY_00_15(14, E, T, A, B, C, D, X(14));
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BODY_00_15(15, D, E, T, A, B, C, X(15));
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data += HASH_CBLOCK;
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} else {
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(void)HOST_c2l(data, l);
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X(0) = l;
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(void)HOST_c2l(data, l);
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X(1) = l;
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BODY_00_15(0, A, B, C, D, E, T, X(0));
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(void)HOST_c2l(data, l);
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X(2) = l;
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BODY_00_15(1, T, A, B, C, D, E, X(1));
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(void)HOST_c2l(data, l);
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X(3) = l;
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BODY_00_15(2, E, T, A, B, C, D, X(2));
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(void)HOST_c2l(data, l);
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X(4) = l;
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BODY_00_15(3, D, E, T, A, B, C, X(3));
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(void)HOST_c2l(data, l);
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X(5) = l;
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BODY_00_15(4, C, D, E, T, A, B, X(4));
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(void)HOST_c2l(data, l);
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X(6) = l;
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BODY_00_15(5, B, C, D, E, T, A, X(5));
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(void)HOST_c2l(data, l);
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X(7) = l;
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BODY_00_15(6, A, B, C, D, E, T, X(6));
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(void)HOST_c2l(data, l);
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X(8) = l;
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BODY_00_15(7, T, A, B, C, D, E, X(7));
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(void)HOST_c2l(data, l);
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X(9) = l;
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BODY_00_15(8, E, T, A, B, C, D, X(8));
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(void)HOST_c2l(data, l);
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X(10) = l;
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BODY_00_15(9, D, E, T, A, B, C, X(9));
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(void)HOST_c2l(data, l);
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X(11) = l;
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BODY_00_15(10, C, D, E, T, A, B, X(10));
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(void)HOST_c2l(data, l);
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X(12) = l;
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BODY_00_15(11, B, C, D, E, T, A, X(11));
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(void)HOST_c2l(data, l);
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X(13) = l;
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BODY_00_15(12, A, B, C, D, E, T, X(12));
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(void)HOST_c2l(data, l);
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X(14) = l;
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BODY_00_15(13, T, A, B, C, D, E, X(13));
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(void)HOST_c2l(data, l);
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X(15) = l;
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BODY_00_15(14, E, T, A, B, C, D, X(14));
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BODY_00_15(15, D, E, T, A, B, C, X(15));
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}
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BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13));
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BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14));
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BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15));
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BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0));
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BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1));
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BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2));
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BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3));
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BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4));
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BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5));
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BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6));
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BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7));
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BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8));
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BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9));
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BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10));
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BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11));
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BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12));
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BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13));
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BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14));
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BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15));
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BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0));
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BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1));
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BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2));
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BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3));
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BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4));
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BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5));
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BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6));
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BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7));
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BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8));
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BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9));
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BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10));
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BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11));
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BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12));
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BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13));
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BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14));
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BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15));
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BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0));
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BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1));
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BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2));
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BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3));
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BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4));
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BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5));
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BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6));
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BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7));
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BODY_40_59(59, B, C, D, E, T, A, X(11), X(13), X(3), X(8));
|
|
|
|
BODY_60_79(60, A, B, C, D, E, T, X(12), X(14), X(4), X(9));
|
|
BODY_60_79(61, T, A, B, C, D, E, X(13), X(15), X(5), X(10));
|
|
BODY_60_79(62, E, T, A, B, C, D, X(14), X(0), X(6), X(11));
|
|
BODY_60_79(63, D, E, T, A, B, C, X(15), X(1), X(7), X(12));
|
|
BODY_60_79(64, C, D, E, T, A, B, X(0), X(2), X(8), X(13));
|
|
BODY_60_79(65, B, C, D, E, T, A, X(1), X(3), X(9), X(14));
|
|
BODY_60_79(66, A, B, C, D, E, T, X(2), X(4), X(10), X(15));
|
|
BODY_60_79(67, T, A, B, C, D, E, X(3), X(5), X(11), X(0));
|
|
BODY_60_79(68, E, T, A, B, C, D, X(4), X(6), X(12), X(1));
|
|
BODY_60_79(69, D, E, T, A, B, C, X(5), X(7), X(13), X(2));
|
|
BODY_60_79(70, C, D, E, T, A, B, X(6), X(8), X(14), X(3));
|
|
BODY_60_79(71, B, C, D, E, T, A, X(7), X(9), X(15), X(4));
|
|
BODY_60_79(72, A, B, C, D, E, T, X(8), X(10), X(0), X(5));
|
|
BODY_60_79(73, T, A, B, C, D, E, X(9), X(11), X(1), X(6));
|
|
BODY_60_79(74, E, T, A, B, C, D, X(10), X(12), X(2), X(7));
|
|
BODY_60_79(75, D, E, T, A, B, C, X(11), X(13), X(3), X(8));
|
|
BODY_60_79(76, C, D, E, T, A, B, X(12), X(14), X(4), X(9));
|
|
BODY_60_79(77, B, C, D, E, T, A, X(13), X(15), X(5), X(10));
|
|
BODY_60_79(78, A, B, C, D, E, T, X(14), X(0), X(6), X(11));
|
|
BODY_60_79(79, T, A, B, C, D, E, X(15), X(1), X(7), X(12));
|
|
|
|
c->h0 = (c->h0 + E) & 0xffffffffL;
|
|
c->h1 = (c->h1 + T) & 0xffffffffL;
|
|
c->h2 = (c->h2 + A) & 0xffffffffL;
|
|
c->h3 = (c->h3 + B) & 0xffffffffL;
|
|
c->h4 = (c->h4 + C) & 0xffffffffL;
|
|
|
|
if (--num == 0) {
|
|
break;
|
|
}
|
|
|
|
A = c->h0;
|
|
B = c->h1;
|
|
C = c->h2;
|
|
D = c->h3;
|
|
E = c->h4;
|
|
}
|
|
}
|
|
#endif
|