diff options
Diffstat (limited to 'crypto/sha/sha_local.h')
| -rw-r--r-- | crypto/sha/sha_local.h | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/crypto/sha/sha_local.h b/crypto/sha/sha_local.h new file mode 100644 index 0000000000..f7c0ac707b --- /dev/null +++ b/crypto/sha/sha_local.h @@ -0,0 +1,424 @@ +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdlib.h> +#include <string.h> + +#include <openssl/opensslconf.h> +#include <openssl/sha.h> + +#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 "crypto/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 optimizations 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++) { + (void)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 |