/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #include #include #include #include #define DATA_ORDER_IS_BIG_ENDIAN #define HASH_LONG SHA_LONG #define HASH_CTX SHA_CTX #define HASH_CBLOCK SHA_CBLOCK #define HASH_MAKE_STRING(c,s) do { \ unsigned long ll; \ ll=(c)->h0; (void)HOST_l2c(ll,(s)); \ ll=(c)->h1; (void)HOST_l2c(ll,(s)); \ ll=(c)->h2; (void)HOST_l2c(ll,(s)); \ ll=(c)->h3; (void)HOST_l2c(ll,(s)); \ ll=(c)->h4; (void)HOST_l2c(ll,(s)); \ } while (0) #define HASH_UPDATE SHA1_Update #define HASH_TRANSFORM SHA1_Transform #define HASH_FINAL SHA1_Final #define HASH_INIT SHA1_Init #define HASH_BLOCK_DATA_ORDER sha1_block_data_order #define Xupdate(a,ix,ia,ib,ic,id) ( (a)=(ia^ib^ic^id), \ ix=(a)=ROTATE((a),1) \ ) #ifndef SHA1_ASM static void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num); #else void sha1_block_data_order(SHA_CTX *c, const void *p, size_t num); #endif #include "internal/md32_common.h" #define INIT_DATA_h0 0x67452301UL #define INIT_DATA_h1 0xefcdab89UL #define INIT_DATA_h2 0x98badcfeUL #define INIT_DATA_h3 0x10325476UL #define INIT_DATA_h4 0xc3d2e1f0UL int HASH_INIT(SHA_CTX *c) { memset(c, 0, sizeof(*c)); c->h0 = INIT_DATA_h0; c->h1 = INIT_DATA_h1; c->h2 = INIT_DATA_h2; c->h3 = INIT_DATA_h3; c->h4 = INIT_DATA_h4; return 1; } #define K_00_19 0x5a827999UL #define K_20_39 0x6ed9eba1UL #define K_40_59 0x8f1bbcdcUL #define K_60_79 0xca62c1d6UL /* * As pointed out by Wei Dai , F() below can be simplified * to the code in F_00_19. Wei attributes these optimisations to Peter * Gutmann's SHS code, and he attributes it to Rich Schroeppel. #define * F(x,y,z) (((x) & (y)) | ((~(x)) & (z))) I've just become aware of another * tweak to be made, again from Wei Dai, in F_40_59, (x&a)|(y&a) -> (x|y)&a */ #define F_00_19(b,c,d) ((((c) ^ (d)) & (b)) ^ (d)) #define F_20_39(b,c,d) ((b) ^ (c) ^ (d)) #define F_40_59(b,c,d) (((b) & (c)) | (((b)|(c)) & (d))) #define F_60_79(b,c,d) F_20_39(b,c,d) #ifndef OPENSSL_SMALL_FOOTPRINT # define BODY_00_15(i,a,b,c,d,e,f,xi) \ (f)=xi+(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ (b)=ROTATE((b),30); # define BODY_16_19(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ Xupdate(f,xi,xa,xb,xc,xd); \ (f)+=(e)+K_00_19+ROTATE((a),5)+F_00_19((b),(c),(d)); \ (b)=ROTATE((b),30); # define BODY_20_31(i,a,b,c,d,e,f,xi,xa,xb,xc,xd) \ Xupdate(f,xi,xa,xb,xc,xd); \ (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ (b)=ROTATE((b),30); # define BODY_32_39(i,a,b,c,d,e,f,xa,xb,xc,xd) \ Xupdate(f,xa,xa,xb,xc,xd); \ (f)+=(e)+K_20_39+ROTATE((a),5)+F_20_39((b),(c),(d)); \ (b)=ROTATE((b),30); # define BODY_40_59(i,a,b,c,d,e,f,xa,xb,xc,xd) \ Xupdate(f,xa,xa,xb,xc,xd); \ (f)+=(e)+K_40_59+ROTATE((a),5)+F_40_59((b),(c),(d)); \ (b)=ROTATE((b),30); # define BODY_60_79(i,a,b,c,d,e,f,xa,xb,xc,xd) \ Xupdate(f,xa,xa,xb,xc,xd); \ (f)=xa+(e)+K_60_79+ROTATE((a),5)+F_60_79((b),(c),(d)); \ (b)=ROTATE((b),30); # ifdef X # undef X # endif # ifndef MD32_XARRAY /* * Originally X was an array. As it's automatic it's natural * to expect RISC compiler to accommodate at least part of it in * the register bank, isn't it? Unfortunately not all compilers * "find" this expectation reasonable:-( On order to make such * compilers generate better code I replace X[] with a bunch of * X0, X1, etc. See the function body below... * */ # define X(i) XX##i # else /* * However! Some compilers (most notably HP C) get overwhelmed by * that many local variables so that we have to have the way to * fall down to the original behavior. */ # define X(i) XX[i] # endif # if !defined(SHA1_ASM) static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num) { const unsigned char *data = p; register unsigned MD32_REG_T A, B, C, D, E, T, l; # ifndef MD32_XARRAY unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15; # else SHA_LONG XX[16]; # endif A = c->h0; B = c->h1; C = c->h2; D = c->h3; E = c->h4; for (;;) { const union { long one; char little; } is_endian = { 1 }; if (!is_endian.little && sizeof(SHA_LONG) == 4 && ((size_t)p % 4) == 0) { const SHA_LONG *W = (const SHA_LONG *)data; X(0) = W[0]; X(1) = W[1]; BODY_00_15(0, A, B, C, D, E, T, X(0)); X(2) = W[2]; BODY_00_15(1, T, A, B, C, D, E, X(1)); X(3) = W[3]; BODY_00_15(2, E, T, A, B, C, D, X(2)); X(4) = W[4]; BODY_00_15(3, D, E, T, A, B, C, X(3)); X(5) = W[5]; BODY_00_15(4, C, D, E, T, A, B, X(4)); X(6) = W[6]; BODY_00_15(5, B, C, D, E, T, A, X(5)); X(7) = W[7]; BODY_00_15(6, A, B, C, D, E, T, X(6)); X(8) = W[8]; BODY_00_15(7, T, A, B, C, D, E, X(7)); X(9) = W[9]; BODY_00_15(8, E, T, A, B, C, D, X(8)); X(10) = W[10]; BODY_00_15(9, D, E, T, A, B, C, X(9)); X(11) = W[11]; BODY_00_15(10, C, D, E, T, A, B, X(10)); X(12) = W[12]; BODY_00_15(11, B, C, D, E, T, A, X(11)); X(13) = W[13]; BODY_00_15(12, A, B, C, D, E, T, X(12)); X(14) = W[14]; BODY_00_15(13, T, A, B, C, D, E, X(13)); X(15) = W[15]; BODY_00_15(14, E, T, A, B, C, D, X(14)); BODY_00_15(15, D, E, T, A, B, C, X(15)); data += SHA_CBLOCK; } else { (void)HOST_c2l(data, l); X(0) = l; (void)HOST_c2l(data, l); X(1) = l; BODY_00_15(0, A, B, C, D, E, T, X(0)); (void)HOST_c2l(data, l); X(2) = l; BODY_00_15(1, T, A, B, C, D, E, X(1)); (void)HOST_c2l(data, l); X(3) = l; BODY_00_15(2, E, T, A, B, C, D, X(2)); (void)HOST_c2l(data, l); X(4) = l; BODY_00_15(3, D, E, T, A, B, C, X(3)); (void)HOST_c2l(data, l); X(5) = l; BODY_00_15(4, C, D, E, T, A, B, X(4)); (void)HOST_c2l(data, l); X(6) = l; BODY_00_15(5, B, C, D, E, T, A, X(5)); (void)HOST_c2l(data, l); X(7) = l; BODY_00_15(6, A, B, C, D, E, T, X(6)); (void)HOST_c2l(data, l); X(8) = l; BODY_00_15(7, T, A, B, C, D, E, X(7)); (void)HOST_c2l(data, l); X(9) = l; BODY_00_15(8, E, T, A, B, C, D, X(8)); (void)HOST_c2l(data, l); X(10) = l; BODY_00_15(9, D, E, T, A, B, C, X(9)); (void)HOST_c2l(data, l); X(11) = l; BODY_00_15(10, C, D, E, T, A, B, X(10)); (void)HOST_c2l(data, l); X(12) = l; BODY_00_15(11, B, C, D, E, T, A, X(11)); (void)HOST_c2l(data, l); X(13) = l; BODY_00_15(12, A, B, C, D, E, T, X(12)); (void)HOST_c2l(data, l); X(14) = l; BODY_00_15(13, T, A, B, C, D, E, X(13)); (void)HOST_c2l(data, l); X(15) = l; BODY_00_15(14, E, T, A, B, C, D, X(14)); BODY_00_15(15, D, E, T, A, B, C, X(15)); } BODY_16_19(16, C, D, E, T, A, B, X(0), X(0), X(2), X(8), X(13)); BODY_16_19(17, B, C, D, E, T, A, X(1), X(1), X(3), X(9), X(14)); BODY_16_19(18, A, B, C, D, E, T, X(2), X(2), X(4), X(10), X(15)); BODY_16_19(19, T, A, B, C, D, E, X(3), X(3), X(5), X(11), X(0)); BODY_20_31(20, E, T, A, B, C, D, X(4), X(4), X(6), X(12), X(1)); BODY_20_31(21, D, E, T, A, B, C, X(5), X(5), X(7), X(13), X(2)); BODY_20_31(22, C, D, E, T, A, B, X(6), X(6), X(8), X(14), X(3)); BODY_20_31(23, B, C, D, E, T, A, X(7), X(7), X(9), X(15), X(4)); BODY_20_31(24, A, B, C, D, E, T, X(8), X(8), X(10), X(0), X(5)); BODY_20_31(25, T, A, B, C, D, E, X(9), X(9), X(11), X(1), X(6)); BODY_20_31(26, E, T, A, B, C, D, X(10), X(10), X(12), X(2), X(7)); BODY_20_31(27, D, E, T, A, B, C, X(11), X(11), X(13), X(3), X(8)); BODY_20_31(28, C, D, E, T, A, B, X(12), X(12), X(14), X(4), X(9)); BODY_20_31(29, B, C, D, E, T, A, X(13), X(13), X(15), X(5), X(10)); BODY_20_31(30, A, B, C, D, E, T, X(14), X(14), X(0), X(6), X(11)); BODY_20_31(31, T, A, B, C, D, E, X(15), X(15), X(1), X(7), X(12)); BODY_32_39(32, E, T, A, B, C, D, X(0), X(2), X(8), X(13)); BODY_32_39(33, D, E, T, A, B, C, X(1), X(3), X(9), X(14)); BODY_32_39(34, C, D, E, T, A, B, X(2), X(4), X(10), X(15)); BODY_32_39(35, B, C, D, E, T, A, X(3), X(5), X(11), X(0)); BODY_32_39(36, A, B, C, D, E, T, X(4), X(6), X(12), X(1)); BODY_32_39(37, T, A, B, C, D, E, X(5), X(7), X(13), X(2)); BODY_32_39(38, E, T, A, B, C, D, X(6), X(8), X(14), X(3)); BODY_32_39(39, D, E, T, A, B, C, X(7), X(9), X(15), X(4)); BODY_40_59(40, C, D, E, T, A, B, X(8), X(10), X(0), X(5)); BODY_40_59(41, B, C, D, E, T, A, X(9), X(11), X(1), X(6)); BODY_40_59(42, A, B, C, D, E, T, X(10), X(12), X(2), X(7)); BODY_40_59(43, T, A, B, C, D, E, X(11), X(13), X(3), X(8)); BODY_40_59(44, E, T, A, B, C, D, X(12), X(14), X(4), X(9)); BODY_40_59(45, D, E, T, A, B, C, X(13), X(15), X(5), X(10)); BODY_40_59(46, C, D, E, T, A, B, X(14), X(0), X(6), X(11)); BODY_40_59(47, B, C, D, E, T, A, X(15), X(1), X(7), X(12)); BODY_40_59(48, A, B, C, D, E, T, X(0), X(2), X(8), X(13)); BODY_40_59(49, T, A, B, C, D, E, X(1), X(3), X(9), X(14)); BODY_40_59(50, E, T, A, B, C, D, X(2), X(4), X(10), X(15)); BODY_40_59(51, D, E, T, A, B, C, X(3), X(5), X(11), X(0)); BODY_40_59(52, C, D, E, T, A, B, X(4), X(6), X(12), X(1)); BODY_40_59(53, B, C, D, E, T, A, X(5), X(7), X(13), X(2)); BODY_40_59(54, A, B, C, D, E, T, X(6), X(8), X(14), X(3)); BODY_40_59(55, T, A, B, C, D, E, X(7), X(9), X(15), X(4)); BODY_40_59(56, E, T, A, B, C, D, X(8), X(10), X(0), X(5)); BODY_40_59(57, D, E, T, A, B, C, X(9), X(11), X(1), X(6)); BODY_40_59(58, C, D, E, T, A, B, X(10), X(12), X(2), X(7)); 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 #else /* OPENSSL_SMALL_FOOTPRINT */ # define BODY_00_15(xi) do { \ T=E+K_00_19+F_00_19(B,C,D); \ E=D, D=C, C=ROTATE(B,30), B=A; \ A=ROTATE(A,5)+T+xi; } while(0) # define BODY_16_19(xa,xb,xc,xd) do { \ Xupdate(T,xa,xa,xb,xc,xd); \ T+=E+K_00_19+F_00_19(B,C,D); \ E=D, D=C, C=ROTATE(B,30), B=A; \ A=ROTATE(A,5)+T; } while(0) # define BODY_20_39(xa,xb,xc,xd) do { \ Xupdate(T,xa,xa,xb,xc,xd); \ T+=E+K_20_39+F_20_39(B,C,D); \ E=D, D=C, C=ROTATE(B,30), B=A; \ A=ROTATE(A,5)+T; } while(0) # define BODY_40_59(xa,xb,xc,xd) do { \ Xupdate(T,xa,xa,xb,xc,xd); \ T+=E+K_40_59+F_40_59(B,C,D); \ E=D, D=C, C=ROTATE(B,30), B=A; \ A=ROTATE(A,5)+T; } while(0) # define BODY_60_79(xa,xb,xc,xd) do { \ Xupdate(T,xa,xa,xb,xc,xd); \ T=E+K_60_79+F_60_79(B,C,D); \ E=D, D=C, C=ROTATE(B,30), B=A; \ A=ROTATE(A,5)+T+xa; } while(0) # if !defined(SHA1_ASM) static void HASH_BLOCK_DATA_ORDER(SHA_CTX *c, const void *p, size_t num) { const unsigned char *data = p; register unsigned MD32_REG_T A, B, C, D, E, T, l; int i; SHA_LONG X[16]; A = c->h0; B = c->h1; C = c->h2; D = c->h3; E = c->h4; for (;;) { for (i = 0; i < 16; i++) { HOST_c2l(data, l); X[i] = l; BODY_00_15(X[i]); } for (i = 0; i < 4; i++) { BODY_16_19(X[i], X[i + 2], X[i + 8], X[(i + 13) & 15]); } for (; i < 24; i++) { BODY_20_39(X[i & 15], X[(i + 2) & 15], X[(i + 8) & 15], X[(i + 13) & 15]); } for (i = 0; i < 20; i++) { BODY_40_59(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15], X[(i + 5) & 15]); } for (i = 4; i < 24; i++) { BODY_60_79(X[(i + 8) & 15], X[(i + 10) & 15], X[i & 15], X[(i + 5) & 15]); } c->h0 = (c->h0 + A) & 0xffffffffL; c->h1 = (c->h1 + B) & 0xffffffffL; c->h2 = (c->h2 + C) & 0xffffffffL; c->h3 = (c->h3 + D) & 0xffffffffL; c->h4 = (c->h4 + E) & 0xffffffffL; if (--num == 0) break; A = c->h0; B = c->h1; C = c->h2; D = c->h3; E = c->h4; } } # endif #endif