sandbox / mbedtls

mbedtls ported to mbed-classic

Fork of mbedtls by Christopher Haster

source/sha512.c@1:24750b9ad5ef, 2016-01-22 (annotated)

Committer:
Christopher Haster
Date:
Fri Jan 22 16:44:49 2016 -0600
Revision:
1:24750b9ad5ef
Initial move of mbedtls to mercurial

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Christopher Haster 1:24750b9ad5ef 1 /*
Christopher Haster 1:24750b9ad5ef 2 * FIPS-180-2 compliant SHA-384/512 implementation
Christopher Haster 1:24750b9ad5ef 3 *
Christopher Haster 1:24750b9ad5ef 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
Christopher Haster 1:24750b9ad5ef 5 * SPDX-License-Identifier: Apache-2.0
Christopher Haster 1:24750b9ad5ef 6 *
Christopher Haster 1:24750b9ad5ef 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
Christopher Haster 1:24750b9ad5ef 8 * not use this file except in compliance with the License.
Christopher Haster 1:24750b9ad5ef 9 * You may obtain a copy of the License at
Christopher Haster 1:24750b9ad5ef 10 *
Christopher Haster 1:24750b9ad5ef 11 * http://www.apache.org/licenses/LICENSE-2.0
Christopher Haster 1:24750b9ad5ef 12 *
Christopher Haster 1:24750b9ad5ef 13 * Unless required by applicable law or agreed to in writing, software
Christopher Haster 1:24750b9ad5ef 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
Christopher Haster 1:24750b9ad5ef 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Christopher Haster 1:24750b9ad5ef 16 * See the License for the specific language governing permissions and
Christopher Haster 1:24750b9ad5ef 17 * limitations under the License.
Christopher Haster 1:24750b9ad5ef 18 *
Christopher Haster 1:24750b9ad5ef 19 * This file is part of mbed TLS (https://tls.mbed.org)
Christopher Haster 1:24750b9ad5ef 20 */
Christopher Haster 1:24750b9ad5ef 21 /*
Christopher Haster 1:24750b9ad5ef 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
Christopher Haster 1:24750b9ad5ef 23 *
Christopher Haster 1:24750b9ad5ef 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
Christopher Haster 1:24750b9ad5ef 25 */
Christopher Haster 1:24750b9ad5ef 26
Christopher Haster 1:24750b9ad5ef 27 #if !defined(MBEDTLS_CONFIG_FILE)
Christopher Haster 1:24750b9ad5ef 28 #include "mbedtls/config.h"
Christopher Haster 1:24750b9ad5ef 29 #else
Christopher Haster 1:24750b9ad5ef 30 #include MBEDTLS_CONFIG_FILE
Christopher Haster 1:24750b9ad5ef 31 #endif
Christopher Haster 1:24750b9ad5ef 32
Christopher Haster 1:24750b9ad5ef 33 #if defined(MBEDTLS_SHA512_C)
Christopher Haster 1:24750b9ad5ef 34
Christopher Haster 1:24750b9ad5ef 35 #include "mbedtls/sha512.h"
Christopher Haster 1:24750b9ad5ef 36
Christopher Haster 1:24750b9ad5ef 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
Christopher Haster 1:24750b9ad5ef 38 #define UL64(x) x##ui64
Christopher Haster 1:24750b9ad5ef 39 #else
Christopher Haster 1:24750b9ad5ef 40 #define UL64(x) x##ULL
Christopher Haster 1:24750b9ad5ef 41 #endif
Christopher Haster 1:24750b9ad5ef 42
Christopher Haster 1:24750b9ad5ef 43 #include <string.h>
Christopher Haster 1:24750b9ad5ef 44
Christopher Haster 1:24750b9ad5ef 45 #if defined(MBEDTLS_SELF_TEST)
Christopher Haster 1:24750b9ad5ef 46 #if defined(MBEDTLS_PLATFORM_C)
Christopher Haster 1:24750b9ad5ef 47 #include "mbedtls/platform.h"
Christopher Haster 1:24750b9ad5ef 48 #else
Christopher Haster 1:24750b9ad5ef 49 #include <stdio.h>
Christopher Haster 1:24750b9ad5ef 50 #define mbedtls_printf printf
Christopher Haster 1:24750b9ad5ef 51 #endif /* MBEDTLS_PLATFORM_C */
Christopher Haster 1:24750b9ad5ef 52 #endif /* MBEDTLS_SELF_TEST */
Christopher Haster 1:24750b9ad5ef 53
Christopher Haster 1:24750b9ad5ef 54 #if !defined(MBEDTLS_SHA512_ALT)
Christopher Haster 1:24750b9ad5ef 55
Christopher Haster 1:24750b9ad5ef 56 /* Implementation that should never be optimized out by the compiler */
Christopher Haster 1:24750b9ad5ef 57 static void mbedtls_zeroize( void *v, size_t n ) {
Christopher Haster 1:24750b9ad5ef 58 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
Christopher Haster 1:24750b9ad5ef 59 }
Christopher Haster 1:24750b9ad5ef 60
Christopher Haster 1:24750b9ad5ef 61 /*
Christopher Haster 1:24750b9ad5ef 62 * 64-bit integer manipulation macros (big endian)
Christopher Haster 1:24750b9ad5ef 63 */
Christopher Haster 1:24750b9ad5ef 64 #ifndef GET_UINT64_BE
Christopher Haster 1:24750b9ad5ef 65 #define GET_UINT64_BE(n,b,i) \
Christopher Haster 1:24750b9ad5ef 66 { \
Christopher Haster 1:24750b9ad5ef 67 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
Christopher Haster 1:24750b9ad5ef 68 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
Christopher Haster 1:24750b9ad5ef 69 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
Christopher Haster 1:24750b9ad5ef 70 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
Christopher Haster 1:24750b9ad5ef 71 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
Christopher Haster 1:24750b9ad5ef 72 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
Christopher Haster 1:24750b9ad5ef 73 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
Christopher Haster 1:24750b9ad5ef 74 | ( (uint64_t) (b)[(i) + 7] ); \
Christopher Haster 1:24750b9ad5ef 75 }
Christopher Haster 1:24750b9ad5ef 76 #endif /* GET_UINT64_BE */
Christopher Haster 1:24750b9ad5ef 77
Christopher Haster 1:24750b9ad5ef 78 #ifndef PUT_UINT64_BE
Christopher Haster 1:24750b9ad5ef 79 #define PUT_UINT64_BE(n,b,i) \
Christopher Haster 1:24750b9ad5ef 80 { \
Christopher Haster 1:24750b9ad5ef 81 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
Christopher Haster 1:24750b9ad5ef 82 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
Christopher Haster 1:24750b9ad5ef 83 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
Christopher Haster 1:24750b9ad5ef 84 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
Christopher Haster 1:24750b9ad5ef 85 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
Christopher Haster 1:24750b9ad5ef 86 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
Christopher Haster 1:24750b9ad5ef 87 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
Christopher Haster 1:24750b9ad5ef 88 (b)[(i) + 7] = (unsigned char) ( (n) ); \
Christopher Haster 1:24750b9ad5ef 89 }
Christopher Haster 1:24750b9ad5ef 90 #endif /* PUT_UINT64_BE */
Christopher Haster 1:24750b9ad5ef 91
Christopher Haster 1:24750b9ad5ef 92 /*
Christopher Haster 1:24750b9ad5ef 93 * Round constants
Christopher Haster 1:24750b9ad5ef 94 */
Christopher Haster 1:24750b9ad5ef 95 static const uint64_t K[80] =
Christopher Haster 1:24750b9ad5ef 96 {
Christopher Haster 1:24750b9ad5ef 97 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
Christopher Haster 1:24750b9ad5ef 98 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
Christopher Haster 1:24750b9ad5ef 99 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
Christopher Haster 1:24750b9ad5ef 100 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
Christopher Haster 1:24750b9ad5ef 101 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
Christopher Haster 1:24750b9ad5ef 102 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
Christopher Haster 1:24750b9ad5ef 103 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
Christopher Haster 1:24750b9ad5ef 104 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
Christopher Haster 1:24750b9ad5ef 105 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
Christopher Haster 1:24750b9ad5ef 106 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
Christopher Haster 1:24750b9ad5ef 107 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
Christopher Haster 1:24750b9ad5ef 108 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
Christopher Haster 1:24750b9ad5ef 109 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
Christopher Haster 1:24750b9ad5ef 110 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
Christopher Haster 1:24750b9ad5ef 111 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
Christopher Haster 1:24750b9ad5ef 112 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
Christopher Haster 1:24750b9ad5ef 113 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
Christopher Haster 1:24750b9ad5ef 114 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
Christopher Haster 1:24750b9ad5ef 115 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
Christopher Haster 1:24750b9ad5ef 116 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
Christopher Haster 1:24750b9ad5ef 117 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
Christopher Haster 1:24750b9ad5ef 118 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
Christopher Haster 1:24750b9ad5ef 119 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
Christopher Haster 1:24750b9ad5ef 120 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
Christopher Haster 1:24750b9ad5ef 121 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
Christopher Haster 1:24750b9ad5ef 122 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
Christopher Haster 1:24750b9ad5ef 123 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
Christopher Haster 1:24750b9ad5ef 124 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
Christopher Haster 1:24750b9ad5ef 125 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
Christopher Haster 1:24750b9ad5ef 126 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
Christopher Haster 1:24750b9ad5ef 127 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
Christopher Haster 1:24750b9ad5ef 128 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
Christopher Haster 1:24750b9ad5ef 129 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
Christopher Haster 1:24750b9ad5ef 130 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
Christopher Haster 1:24750b9ad5ef 131 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
Christopher Haster 1:24750b9ad5ef 132 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
Christopher Haster 1:24750b9ad5ef 133 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
Christopher Haster 1:24750b9ad5ef 134 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
Christopher Haster 1:24750b9ad5ef 135 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
Christopher Haster 1:24750b9ad5ef 136 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
Christopher Haster 1:24750b9ad5ef 137 };
Christopher Haster 1:24750b9ad5ef 138
Christopher Haster 1:24750b9ad5ef 139 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
Christopher Haster 1:24750b9ad5ef 140 {
Christopher Haster 1:24750b9ad5ef 141 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
Christopher Haster 1:24750b9ad5ef 142 }
Christopher Haster 1:24750b9ad5ef 143
Christopher Haster 1:24750b9ad5ef 144 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
Christopher Haster 1:24750b9ad5ef 145 {
Christopher Haster 1:24750b9ad5ef 146 if( ctx == NULL )
Christopher Haster 1:24750b9ad5ef 147 return;
Christopher Haster 1:24750b9ad5ef 148
Christopher Haster 1:24750b9ad5ef 149 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
Christopher Haster 1:24750b9ad5ef 150 }
Christopher Haster 1:24750b9ad5ef 151
Christopher Haster 1:24750b9ad5ef 152 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
Christopher Haster 1:24750b9ad5ef 153 const mbedtls_sha512_context *src )
Christopher Haster 1:24750b9ad5ef 154 {
Christopher Haster 1:24750b9ad5ef 155 *dst = *src;
Christopher Haster 1:24750b9ad5ef 156 }
Christopher Haster 1:24750b9ad5ef 157
Christopher Haster 1:24750b9ad5ef 158 /*
Christopher Haster 1:24750b9ad5ef 159 * SHA-512 context setup
Christopher Haster 1:24750b9ad5ef 160 */
Christopher Haster 1:24750b9ad5ef 161 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
Christopher Haster 1:24750b9ad5ef 162 {
Christopher Haster 1:24750b9ad5ef 163 ctx->total[0] = 0;
Christopher Haster 1:24750b9ad5ef 164 ctx->total[1] = 0;
Christopher Haster 1:24750b9ad5ef 165
Christopher Haster 1:24750b9ad5ef 166 if( is384 == 0 )
Christopher Haster 1:24750b9ad5ef 167 {
Christopher Haster 1:24750b9ad5ef 168 /* SHA-512 */
Christopher Haster 1:24750b9ad5ef 169 ctx->state[0] = UL64(0x6A09E667F3BCC908);
Christopher Haster 1:24750b9ad5ef 170 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
Christopher Haster 1:24750b9ad5ef 171 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
Christopher Haster 1:24750b9ad5ef 172 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
Christopher Haster 1:24750b9ad5ef 173 ctx->state[4] = UL64(0x510E527FADE682D1);
Christopher Haster 1:24750b9ad5ef 174 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
Christopher Haster 1:24750b9ad5ef 175 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
Christopher Haster 1:24750b9ad5ef 176 ctx->state[7] = UL64(0x5BE0CD19137E2179);
Christopher Haster 1:24750b9ad5ef 177 }
Christopher Haster 1:24750b9ad5ef 178 else
Christopher Haster 1:24750b9ad5ef 179 {
Christopher Haster 1:24750b9ad5ef 180 /* SHA-384 */
Christopher Haster 1:24750b9ad5ef 181 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
Christopher Haster 1:24750b9ad5ef 182 ctx->state[1] = UL64(0x629A292A367CD507);
Christopher Haster 1:24750b9ad5ef 183 ctx->state[2] = UL64(0x9159015A3070DD17);
Christopher Haster 1:24750b9ad5ef 184 ctx->state[3] = UL64(0x152FECD8F70E5939);
Christopher Haster 1:24750b9ad5ef 185 ctx->state[4] = UL64(0x67332667FFC00B31);
Christopher Haster 1:24750b9ad5ef 186 ctx->state[5] = UL64(0x8EB44A8768581511);
Christopher Haster 1:24750b9ad5ef 187 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
Christopher Haster 1:24750b9ad5ef 188 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
Christopher Haster 1:24750b9ad5ef 189 }
Christopher Haster 1:24750b9ad5ef 190
Christopher Haster 1:24750b9ad5ef 191 ctx->is384 = is384;
Christopher Haster 1:24750b9ad5ef 192 }
Christopher Haster 1:24750b9ad5ef 193
Christopher Haster 1:24750b9ad5ef 194 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
Christopher Haster 1:24750b9ad5ef 195 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
Christopher Haster 1:24750b9ad5ef 196 {
Christopher Haster 1:24750b9ad5ef 197 int i;
Christopher Haster 1:24750b9ad5ef 198 uint64_t temp1, temp2, W[80];
Christopher Haster 1:24750b9ad5ef 199 uint64_t A, B, C, D, E, F, G, H;
Christopher Haster 1:24750b9ad5ef 200
Christopher Haster 1:24750b9ad5ef 201 #define SHR(x,n) (x >> n)
Christopher Haster 1:24750b9ad5ef 202 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
Christopher Haster 1:24750b9ad5ef 203
Christopher Haster 1:24750b9ad5ef 204 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
Christopher Haster 1:24750b9ad5ef 205 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
Christopher Haster 1:24750b9ad5ef 206
Christopher Haster 1:24750b9ad5ef 207 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
Christopher Haster 1:24750b9ad5ef 208 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
Christopher Haster 1:24750b9ad5ef 209
Christopher Haster 1:24750b9ad5ef 210 #define F0(x,y,z) ((x & y) | (z & (x | y)))
Christopher Haster 1:24750b9ad5ef 211 #define F1(x,y,z) (z ^ (x & (y ^ z)))
Christopher Haster 1:24750b9ad5ef 212
Christopher Haster 1:24750b9ad5ef 213 #define P(a,b,c,d,e,f,g,h,x,K) \
Christopher Haster 1:24750b9ad5ef 214 { \
Christopher Haster 1:24750b9ad5ef 215 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
Christopher Haster 1:24750b9ad5ef 216 temp2 = S2(a) + F0(a,b,c); \
Christopher Haster 1:24750b9ad5ef 217 d += temp1; h = temp1 + temp2; \
Christopher Haster 1:24750b9ad5ef 218 }
Christopher Haster 1:24750b9ad5ef 219
Christopher Haster 1:24750b9ad5ef 220 for( i = 0; i < 16; i++ )
Christopher Haster 1:24750b9ad5ef 221 {
Christopher Haster 1:24750b9ad5ef 222 GET_UINT64_BE( W[i], data, i << 3 );
Christopher Haster 1:24750b9ad5ef 223 }
Christopher Haster 1:24750b9ad5ef 224
Christopher Haster 1:24750b9ad5ef 225 for( ; i < 80; i++ )
Christopher Haster 1:24750b9ad5ef 226 {
Christopher Haster 1:24750b9ad5ef 227 W[i] = S1(W[i - 2]) + W[i - 7] +
Christopher Haster 1:24750b9ad5ef 228 S0(W[i - 15]) + W[i - 16];
Christopher Haster 1:24750b9ad5ef 229 }
Christopher Haster 1:24750b9ad5ef 230
Christopher Haster 1:24750b9ad5ef 231 A = ctx->state[0];
Christopher Haster 1:24750b9ad5ef 232 B = ctx->state[1];
Christopher Haster 1:24750b9ad5ef 233 C = ctx->state[2];
Christopher Haster 1:24750b9ad5ef 234 D = ctx->state[3];
Christopher Haster 1:24750b9ad5ef 235 E = ctx->state[4];
Christopher Haster 1:24750b9ad5ef 236 F = ctx->state[5];
Christopher Haster 1:24750b9ad5ef 237 G = ctx->state[6];
Christopher Haster 1:24750b9ad5ef 238 H = ctx->state[7];
Christopher Haster 1:24750b9ad5ef 239 i = 0;
Christopher Haster 1:24750b9ad5ef 240
Christopher Haster 1:24750b9ad5ef 241 do
Christopher Haster 1:24750b9ad5ef 242 {
Christopher Haster 1:24750b9ad5ef 243 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 244 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 245 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 246 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 247 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 248 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 249 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 250 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
Christopher Haster 1:24750b9ad5ef 251 }
Christopher Haster 1:24750b9ad5ef 252 while( i < 80 );
Christopher Haster 1:24750b9ad5ef 253
Christopher Haster 1:24750b9ad5ef 254 ctx->state[0] += A;
Christopher Haster 1:24750b9ad5ef 255 ctx->state[1] += B;
Christopher Haster 1:24750b9ad5ef 256 ctx->state[2] += C;
Christopher Haster 1:24750b9ad5ef 257 ctx->state[3] += D;
Christopher Haster 1:24750b9ad5ef 258 ctx->state[4] += E;
Christopher Haster 1:24750b9ad5ef 259 ctx->state[5] += F;
Christopher Haster 1:24750b9ad5ef 260 ctx->state[6] += G;
Christopher Haster 1:24750b9ad5ef 261 ctx->state[7] += H;
Christopher Haster 1:24750b9ad5ef 262 }
Christopher Haster 1:24750b9ad5ef 263 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
Christopher Haster 1:24750b9ad5ef 264
Christopher Haster 1:24750b9ad5ef 265 /*
Christopher Haster 1:24750b9ad5ef 266 * SHA-512 process buffer
Christopher Haster 1:24750b9ad5ef 267 */
Christopher Haster 1:24750b9ad5ef 268 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
Christopher Haster 1:24750b9ad5ef 269 size_t ilen )
Christopher Haster 1:24750b9ad5ef 270 {
Christopher Haster 1:24750b9ad5ef 271 size_t fill;
Christopher Haster 1:24750b9ad5ef 272 unsigned int left;
Christopher Haster 1:24750b9ad5ef 273
Christopher Haster 1:24750b9ad5ef 274 if( ilen == 0 )
Christopher Haster 1:24750b9ad5ef 275 return;
Christopher Haster 1:24750b9ad5ef 276
Christopher Haster 1:24750b9ad5ef 277 left = (unsigned int) (ctx->total[0] & 0x7F);
Christopher Haster 1:24750b9ad5ef 278 fill = 128 - left;
Christopher Haster 1:24750b9ad5ef 279
Christopher Haster 1:24750b9ad5ef 280 ctx->total[0] += (uint64_t) ilen;
Christopher Haster 1:24750b9ad5ef 281
Christopher Haster 1:24750b9ad5ef 282 if( ctx->total[0] < (uint64_t) ilen )
Christopher Haster 1:24750b9ad5ef 283 ctx->total[1]++;
Christopher Haster 1:24750b9ad5ef 284
Christopher Haster 1:24750b9ad5ef 285 if( left && ilen >= fill )
Christopher Haster 1:24750b9ad5ef 286 {
Christopher Haster 1:24750b9ad5ef 287 memcpy( (void *) (ctx->buffer + left), input, fill );
Christopher Haster 1:24750b9ad5ef 288 mbedtls_sha512_process( ctx, ctx->buffer );
Christopher Haster 1:24750b9ad5ef 289 input += fill;
Christopher Haster 1:24750b9ad5ef 290 ilen -= fill;
Christopher Haster 1:24750b9ad5ef 291 left = 0;
Christopher Haster 1:24750b9ad5ef 292 }
Christopher Haster 1:24750b9ad5ef 293
Christopher Haster 1:24750b9ad5ef 294 while( ilen >= 128 )
Christopher Haster 1:24750b9ad5ef 295 {
Christopher Haster 1:24750b9ad5ef 296 mbedtls_sha512_process( ctx, input );
Christopher Haster 1:24750b9ad5ef 297 input += 128;
Christopher Haster 1:24750b9ad5ef 298 ilen -= 128;
Christopher Haster 1:24750b9ad5ef 299 }
Christopher Haster 1:24750b9ad5ef 300
Christopher Haster 1:24750b9ad5ef 301 if( ilen > 0 )
Christopher Haster 1:24750b9ad5ef 302 memcpy( (void *) (ctx->buffer + left), input, ilen );
Christopher Haster 1:24750b9ad5ef 303 }
Christopher Haster 1:24750b9ad5ef 304
Christopher Haster 1:24750b9ad5ef 305 static const unsigned char sha512_padding[128] =
Christopher Haster 1:24750b9ad5ef 306 {
Christopher Haster 1:24750b9ad5ef 307 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 308 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 309 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 311 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
Christopher Haster 1:24750b9ad5ef 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
Christopher Haster 1:24750b9ad5ef 315 };
Christopher Haster 1:24750b9ad5ef 316
Christopher Haster 1:24750b9ad5ef 317 /*
Christopher Haster 1:24750b9ad5ef 318 * SHA-512 final digest
Christopher Haster 1:24750b9ad5ef 319 */
Christopher Haster 1:24750b9ad5ef 320 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
Christopher Haster 1:24750b9ad5ef 321 {
Christopher Haster 1:24750b9ad5ef 322 size_t last, padn;
Christopher Haster 1:24750b9ad5ef 323 uint64_t high, low;
Christopher Haster 1:24750b9ad5ef 324 unsigned char msglen[16];
Christopher Haster 1:24750b9ad5ef 325
Christopher Haster 1:24750b9ad5ef 326 high = ( ctx->total[0] >> 61 )
Christopher Haster 1:24750b9ad5ef 327 | ( ctx->total[1] << 3 );
Christopher Haster 1:24750b9ad5ef 328 low = ( ctx->total[0] << 3 );
Christopher Haster 1:24750b9ad5ef 329
Christopher Haster 1:24750b9ad5ef 330 PUT_UINT64_BE( high, msglen, 0 );
Christopher Haster 1:24750b9ad5ef 331 PUT_UINT64_BE( low, msglen, 8 );
Christopher Haster 1:24750b9ad5ef 332
Christopher Haster 1:24750b9ad5ef 333 last = (size_t)( ctx->total[0] & 0x7F );
Christopher Haster 1:24750b9ad5ef 334 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
Christopher Haster 1:24750b9ad5ef 335
Christopher Haster 1:24750b9ad5ef 336 mbedtls_sha512_update( ctx, sha512_padding, padn );
Christopher Haster 1:24750b9ad5ef 337 mbedtls_sha512_update( ctx, msglen, 16 );
Christopher Haster 1:24750b9ad5ef 338
Christopher Haster 1:24750b9ad5ef 339 PUT_UINT64_BE( ctx->state[0], output, 0 );
Christopher Haster 1:24750b9ad5ef 340 PUT_UINT64_BE( ctx->state[1], output, 8 );
Christopher Haster 1:24750b9ad5ef 341 PUT_UINT64_BE( ctx->state[2], output, 16 );
Christopher Haster 1:24750b9ad5ef 342 PUT_UINT64_BE( ctx->state[3], output, 24 );
Christopher Haster 1:24750b9ad5ef 343 PUT_UINT64_BE( ctx->state[4], output, 32 );
Christopher Haster 1:24750b9ad5ef 344 PUT_UINT64_BE( ctx->state[5], output, 40 );
Christopher Haster 1:24750b9ad5ef 345
Christopher Haster 1:24750b9ad5ef 346 if( ctx->is384 == 0 )
Christopher Haster 1:24750b9ad5ef 347 {
Christopher Haster 1:24750b9ad5ef 348 PUT_UINT64_BE( ctx->state[6], output, 48 );
Christopher Haster 1:24750b9ad5ef 349 PUT_UINT64_BE( ctx->state[7], output, 56 );
Christopher Haster 1:24750b9ad5ef 350 }
Christopher Haster 1:24750b9ad5ef 351 }
Christopher Haster 1:24750b9ad5ef 352
Christopher Haster 1:24750b9ad5ef 353 #endif /* !MBEDTLS_SHA512_ALT */
Christopher Haster 1:24750b9ad5ef 354
Christopher Haster 1:24750b9ad5ef 355 /*
Christopher Haster 1:24750b9ad5ef 356 * output = SHA-512( input buffer )
Christopher Haster 1:24750b9ad5ef 357 */
Christopher Haster 1:24750b9ad5ef 358 void mbedtls_sha512( const unsigned char *input, size_t ilen,
Christopher Haster 1:24750b9ad5ef 359 unsigned char output[64], int is384 )
Christopher Haster 1:24750b9ad5ef 360 {
Christopher Haster 1:24750b9ad5ef 361 mbedtls_sha512_context ctx;
Christopher Haster 1:24750b9ad5ef 362
Christopher Haster 1:24750b9ad5ef 363 mbedtls_sha512_init( &ctx );
Christopher Haster 1:24750b9ad5ef 364 mbedtls_sha512_starts( &ctx, is384 );
Christopher Haster 1:24750b9ad5ef 365 mbedtls_sha512_update( &ctx, input, ilen );
Christopher Haster 1:24750b9ad5ef 366 mbedtls_sha512_finish( &ctx, output );
Christopher Haster 1:24750b9ad5ef 367 mbedtls_sha512_free( &ctx );
Christopher Haster 1:24750b9ad5ef 368 }
Christopher Haster 1:24750b9ad5ef 369
Christopher Haster 1:24750b9ad5ef 370 #if defined(MBEDTLS_SELF_TEST)
Christopher Haster 1:24750b9ad5ef 371
Christopher Haster 1:24750b9ad5ef 372 /*
Christopher Haster 1:24750b9ad5ef 373 * FIPS-180-2 test vectors
Christopher Haster 1:24750b9ad5ef 374 */
Christopher Haster 1:24750b9ad5ef 375 static const unsigned char sha512_test_buf[3][113] =
Christopher Haster 1:24750b9ad5ef 376 {
Christopher Haster 1:24750b9ad5ef 377 { "abc" },
Christopher Haster 1:24750b9ad5ef 378 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
Christopher Haster 1:24750b9ad5ef 379 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
Christopher Haster 1:24750b9ad5ef 380 { "" }
Christopher Haster 1:24750b9ad5ef 381 };
Christopher Haster 1:24750b9ad5ef 382
Christopher Haster 1:24750b9ad5ef 383 static const int sha512_test_buflen[3] =
Christopher Haster 1:24750b9ad5ef 384 {
Christopher Haster 1:24750b9ad5ef 385 3, 112, 1000
Christopher Haster 1:24750b9ad5ef 386 };
Christopher Haster 1:24750b9ad5ef 387
Christopher Haster 1:24750b9ad5ef 388 static const unsigned char sha512_test_sum[6][64] =
Christopher Haster 1:24750b9ad5ef 389 {
Christopher Haster 1:24750b9ad5ef 390 /*
Christopher Haster 1:24750b9ad5ef 391 * SHA-384 test vectors
Christopher Haster 1:24750b9ad5ef 392 */
Christopher Haster 1:24750b9ad5ef 393 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
Christopher Haster 1:24750b9ad5ef 394 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
Christopher Haster 1:24750b9ad5ef 395 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
Christopher Haster 1:24750b9ad5ef 396 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
Christopher Haster 1:24750b9ad5ef 397 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
Christopher Haster 1:24750b9ad5ef 398 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
Christopher Haster 1:24750b9ad5ef 399 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
Christopher Haster 1:24750b9ad5ef 400 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
Christopher Haster 1:24750b9ad5ef 401 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
Christopher Haster 1:24750b9ad5ef 402 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
Christopher Haster 1:24750b9ad5ef 403 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
Christopher Haster 1:24750b9ad5ef 404 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
Christopher Haster 1:24750b9ad5ef 405 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
Christopher Haster 1:24750b9ad5ef 406 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
Christopher Haster 1:24750b9ad5ef 407 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
Christopher Haster 1:24750b9ad5ef 408 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
Christopher Haster 1:24750b9ad5ef 409 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
Christopher Haster 1:24750b9ad5ef 410 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
Christopher Haster 1:24750b9ad5ef 411
Christopher Haster 1:24750b9ad5ef 412 /*
Christopher Haster 1:24750b9ad5ef 413 * SHA-512 test vectors
Christopher Haster 1:24750b9ad5ef 414 */
Christopher Haster 1:24750b9ad5ef 415 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
Christopher Haster 1:24750b9ad5ef 416 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
Christopher Haster 1:24750b9ad5ef 417 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
Christopher Haster 1:24750b9ad5ef 418 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
Christopher Haster 1:24750b9ad5ef 419 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
Christopher Haster 1:24750b9ad5ef 420 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
Christopher Haster 1:24750b9ad5ef 421 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
Christopher Haster 1:24750b9ad5ef 422 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
Christopher Haster 1:24750b9ad5ef 423 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
Christopher Haster 1:24750b9ad5ef 424 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
Christopher Haster 1:24750b9ad5ef 425 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
Christopher Haster 1:24750b9ad5ef 426 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
Christopher Haster 1:24750b9ad5ef 427 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
Christopher Haster 1:24750b9ad5ef 428 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
Christopher Haster 1:24750b9ad5ef 429 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
Christopher Haster 1:24750b9ad5ef 430 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
Christopher Haster 1:24750b9ad5ef 431 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
Christopher Haster 1:24750b9ad5ef 432 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
Christopher Haster 1:24750b9ad5ef 433 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
Christopher Haster 1:24750b9ad5ef 434 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
Christopher Haster 1:24750b9ad5ef 435 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
Christopher Haster 1:24750b9ad5ef 436 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
Christopher Haster 1:24750b9ad5ef 437 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
Christopher Haster 1:24750b9ad5ef 438 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
Christopher Haster 1:24750b9ad5ef 439 };
Christopher Haster 1:24750b9ad5ef 440
Christopher Haster 1:24750b9ad5ef 441 /*
Christopher Haster 1:24750b9ad5ef 442 * Checkup routine
Christopher Haster 1:24750b9ad5ef 443 */
Christopher Haster 1:24750b9ad5ef 444 int mbedtls_sha512_self_test( int verbose )
Christopher Haster 1:24750b9ad5ef 445 {
Christopher Haster 1:24750b9ad5ef 446 int i, j, k, buflen, ret = 0;
Christopher Haster 1:24750b9ad5ef 447 unsigned char buf[1024];
Christopher Haster 1:24750b9ad5ef 448 unsigned char sha512sum[64];
Christopher Haster 1:24750b9ad5ef 449 mbedtls_sha512_context ctx;
Christopher Haster 1:24750b9ad5ef 450
Christopher Haster 1:24750b9ad5ef 451 mbedtls_sha512_init( &ctx );
Christopher Haster 1:24750b9ad5ef 452
Christopher Haster 1:24750b9ad5ef 453 for( i = 0; i < 6; i++ )
Christopher Haster 1:24750b9ad5ef 454 {
Christopher Haster 1:24750b9ad5ef 455 j = i % 3;
Christopher Haster 1:24750b9ad5ef 456 k = i < 3;
Christopher Haster 1:24750b9ad5ef 457
Christopher Haster 1:24750b9ad5ef 458 if( verbose != 0 )
Christopher Haster 1:24750b9ad5ef 459 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
Christopher Haster 1:24750b9ad5ef 460
Christopher Haster 1:24750b9ad5ef 461 mbedtls_sha512_starts( &ctx, k );
Christopher Haster 1:24750b9ad5ef 462
Christopher Haster 1:24750b9ad5ef 463 if( j == 2 )
Christopher Haster 1:24750b9ad5ef 464 {
Christopher Haster 1:24750b9ad5ef 465 memset( buf, 'a', buflen = 1000 );
Christopher Haster 1:24750b9ad5ef 466
Christopher Haster 1:24750b9ad5ef 467 for( j = 0; j < 1000; j++ )
Christopher Haster 1:24750b9ad5ef 468 mbedtls_sha512_update( &ctx, buf, buflen );
Christopher Haster 1:24750b9ad5ef 469 }
Christopher Haster 1:24750b9ad5ef 470 else
Christopher Haster 1:24750b9ad5ef 471 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
Christopher Haster 1:24750b9ad5ef 472 sha512_test_buflen[j] );
Christopher Haster 1:24750b9ad5ef 473
Christopher Haster 1:24750b9ad5ef 474 mbedtls_sha512_finish( &ctx, sha512sum );
Christopher Haster 1:24750b9ad5ef 475
Christopher Haster 1:24750b9ad5ef 476 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
Christopher Haster 1:24750b9ad5ef 477 {
Christopher Haster 1:24750b9ad5ef 478 if( verbose != 0 )
Christopher Haster 1:24750b9ad5ef 479 mbedtls_printf( "failed\n" );
Christopher Haster 1:24750b9ad5ef 480
Christopher Haster 1:24750b9ad5ef 481 ret = 1;
Christopher Haster 1:24750b9ad5ef 482 goto exit;
Christopher Haster 1:24750b9ad5ef 483 }
Christopher Haster 1:24750b9ad5ef 484
Christopher Haster 1:24750b9ad5ef 485 if( verbose != 0 )
Christopher Haster 1:24750b9ad5ef 486 mbedtls_printf( "passed\n" );
Christopher Haster 1:24750b9ad5ef 487 }
Christopher Haster 1:24750b9ad5ef 488
Christopher Haster 1:24750b9ad5ef 489 if( verbose != 0 )
Christopher Haster 1:24750b9ad5ef 490 mbedtls_printf( "\n" );
Christopher Haster 1:24750b9ad5ef 491
Christopher Haster 1:24750b9ad5ef 492 exit:
Christopher Haster 1:24750b9ad5ef 493 mbedtls_sha512_free( &ctx );
Christopher Haster 1:24750b9ad5ef 494
Christopher Haster 1:24750b9ad5ef 495 return( ret );
Christopher Haster 1:24750b9ad5ef 496 }
Christopher Haster 1:24750b9ad5ef 497
Christopher Haster 1:24750b9ad5ef 498 #endif /* MBEDTLS_SELF_TEST */
Christopher Haster 1:24750b9ad5ef 499
Christopher Haster 1:24750b9ad5ef 500 #endif /* MBEDTLS_SHA512_C */