Magnificent7 / Hackathon

Includes library modifications to allow access to AIN_4 (AIN_0 / 5)

mbd_os/features/mbedtls/src/sha512.c@0:eafc3fd41f75, 2016-09-20 (annotated)

Committer:
bryantaylor
Date:
Tue Sep 20 21:26:12 2016 +0000
Revision:
0:eafc3fd41f75
hackathon

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bryantaylor 0:eafc3fd41f75 1 /*
bryantaylor 0:eafc3fd41f75 2 * FIPS-180-2 compliant SHA-384/512 implementation
bryantaylor 0:eafc3fd41f75 3 *
bryantaylor 0:eafc3fd41f75 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
bryantaylor 0:eafc3fd41f75 5 * SPDX-License-Identifier: Apache-2.0
bryantaylor 0:eafc3fd41f75 6 *
bryantaylor 0:eafc3fd41f75 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
bryantaylor 0:eafc3fd41f75 8 * not use this file except in compliance with the License.
bryantaylor 0:eafc3fd41f75 9 * You may obtain a copy of the License at
bryantaylor 0:eafc3fd41f75 10 *
bryantaylor 0:eafc3fd41f75 11 * http://www.apache.org/licenses/LICENSE-2.0
bryantaylor 0:eafc3fd41f75 12 *
bryantaylor 0:eafc3fd41f75 13 * Unless required by applicable law or agreed to in writing, software
bryantaylor 0:eafc3fd41f75 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
bryantaylor 0:eafc3fd41f75 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bryantaylor 0:eafc3fd41f75 16 * See the License for the specific language governing permissions and
bryantaylor 0:eafc3fd41f75 17 * limitations under the License.
bryantaylor 0:eafc3fd41f75 18 *
bryantaylor 0:eafc3fd41f75 19 * This file is part of mbed TLS (https://tls.mbed.org)
bryantaylor 0:eafc3fd41f75 20 */
bryantaylor 0:eafc3fd41f75 21 /*
bryantaylor 0:eafc3fd41f75 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
bryantaylor 0:eafc3fd41f75 23 *
bryantaylor 0:eafc3fd41f75 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
bryantaylor 0:eafc3fd41f75 25 */
bryantaylor 0:eafc3fd41f75 26
bryantaylor 0:eafc3fd41f75 27 #if !defined(MBEDTLS_CONFIG_FILE)
bryantaylor 0:eafc3fd41f75 28 #include "mbedtls/config.h"
bryantaylor 0:eafc3fd41f75 29 #else
bryantaylor 0:eafc3fd41f75 30 #include MBEDTLS_CONFIG_FILE
bryantaylor 0:eafc3fd41f75 31 #endif
bryantaylor 0:eafc3fd41f75 32
bryantaylor 0:eafc3fd41f75 33 #if defined(MBEDTLS_SHA512_C)
bryantaylor 0:eafc3fd41f75 34
bryantaylor 0:eafc3fd41f75 35 #include "mbedtls/sha512.h"
bryantaylor 0:eafc3fd41f75 36
bryantaylor 0:eafc3fd41f75 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
bryantaylor 0:eafc3fd41f75 38 #define UL64(x) x##ui64
bryantaylor 0:eafc3fd41f75 39 #else
bryantaylor 0:eafc3fd41f75 40 #define UL64(x) x##ULL
bryantaylor 0:eafc3fd41f75 41 #endif
bryantaylor 0:eafc3fd41f75 42
bryantaylor 0:eafc3fd41f75 43 #include <string.h>
bryantaylor 0:eafc3fd41f75 44
bryantaylor 0:eafc3fd41f75 45 #if defined(MBEDTLS_SELF_TEST)
bryantaylor 0:eafc3fd41f75 46 #if defined(MBEDTLS_PLATFORM_C)
bryantaylor 0:eafc3fd41f75 47 #include "mbedtls/platform.h"
bryantaylor 0:eafc3fd41f75 48 #else
bryantaylor 0:eafc3fd41f75 49 #include <stdio.h>
bryantaylor 0:eafc3fd41f75 50 #define mbedtls_printf printf
bryantaylor 0:eafc3fd41f75 51 #endif /* MBEDTLS_PLATFORM_C */
bryantaylor 0:eafc3fd41f75 52 #endif /* MBEDTLS_SELF_TEST */
bryantaylor 0:eafc3fd41f75 53
bryantaylor 0:eafc3fd41f75 54 #if !defined(MBEDTLS_SHA512_ALT)
bryantaylor 0:eafc3fd41f75 55
bryantaylor 0:eafc3fd41f75 56 /* Implementation that should never be optimized out by the compiler */
bryantaylor 0:eafc3fd41f75 57 static void mbedtls_zeroize( void *v, size_t n ) {
bryantaylor 0:eafc3fd41f75 58 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
bryantaylor 0:eafc3fd41f75 59 }
bryantaylor 0:eafc3fd41f75 60
bryantaylor 0:eafc3fd41f75 61 /*
bryantaylor 0:eafc3fd41f75 62 * 64-bit integer manipulation macros (big endian)
bryantaylor 0:eafc3fd41f75 63 */
bryantaylor 0:eafc3fd41f75 64 #ifndef GET_UINT64_BE
bryantaylor 0:eafc3fd41f75 65 #define GET_UINT64_BE(n,b,i) \
bryantaylor 0:eafc3fd41f75 66 { \
bryantaylor 0:eafc3fd41f75 67 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
bryantaylor 0:eafc3fd41f75 68 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
bryantaylor 0:eafc3fd41f75 69 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
bryantaylor 0:eafc3fd41f75 70 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
bryantaylor 0:eafc3fd41f75 71 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
bryantaylor 0:eafc3fd41f75 72 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
bryantaylor 0:eafc3fd41f75 73 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
bryantaylor 0:eafc3fd41f75 74 | ( (uint64_t) (b)[(i) + 7] ); \
bryantaylor 0:eafc3fd41f75 75 }
bryantaylor 0:eafc3fd41f75 76 #endif /* GET_UINT64_BE */
bryantaylor 0:eafc3fd41f75 77
bryantaylor 0:eafc3fd41f75 78 #ifndef PUT_UINT64_BE
bryantaylor 0:eafc3fd41f75 79 #define PUT_UINT64_BE(n,b,i) \
bryantaylor 0:eafc3fd41f75 80 { \
bryantaylor 0:eafc3fd41f75 81 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
bryantaylor 0:eafc3fd41f75 82 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
bryantaylor 0:eafc3fd41f75 83 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
bryantaylor 0:eafc3fd41f75 84 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
bryantaylor 0:eafc3fd41f75 85 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
bryantaylor 0:eafc3fd41f75 86 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
bryantaylor 0:eafc3fd41f75 87 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
bryantaylor 0:eafc3fd41f75 88 (b)[(i) + 7] = (unsigned char) ( (n) ); \
bryantaylor 0:eafc3fd41f75 89 }
bryantaylor 0:eafc3fd41f75 90 #endif /* PUT_UINT64_BE */
bryantaylor 0:eafc3fd41f75 91
bryantaylor 0:eafc3fd41f75 92 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
bryantaylor 0:eafc3fd41f75 93 {
bryantaylor 0:eafc3fd41f75 94 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
bryantaylor 0:eafc3fd41f75 95 }
bryantaylor 0:eafc3fd41f75 96
bryantaylor 0:eafc3fd41f75 97 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
bryantaylor 0:eafc3fd41f75 98 {
bryantaylor 0:eafc3fd41f75 99 if( ctx == NULL )
bryantaylor 0:eafc3fd41f75 100 return;
bryantaylor 0:eafc3fd41f75 101
bryantaylor 0:eafc3fd41f75 102 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
bryantaylor 0:eafc3fd41f75 103 }
bryantaylor 0:eafc3fd41f75 104
bryantaylor 0:eafc3fd41f75 105 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
bryantaylor 0:eafc3fd41f75 106 const mbedtls_sha512_context *src )
bryantaylor 0:eafc3fd41f75 107 {
bryantaylor 0:eafc3fd41f75 108 *dst = *src;
bryantaylor 0:eafc3fd41f75 109 }
bryantaylor 0:eafc3fd41f75 110
bryantaylor 0:eafc3fd41f75 111 /*
bryantaylor 0:eafc3fd41f75 112 * SHA-512 context setup
bryantaylor 0:eafc3fd41f75 113 */
bryantaylor 0:eafc3fd41f75 114 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
bryantaylor 0:eafc3fd41f75 115 {
bryantaylor 0:eafc3fd41f75 116 ctx->total[0] = 0;
bryantaylor 0:eafc3fd41f75 117 ctx->total[1] = 0;
bryantaylor 0:eafc3fd41f75 118
bryantaylor 0:eafc3fd41f75 119 if( is384 == 0 )
bryantaylor 0:eafc3fd41f75 120 {
bryantaylor 0:eafc3fd41f75 121 /* SHA-512 */
bryantaylor 0:eafc3fd41f75 122 ctx->state[0] = UL64(0x6A09E667F3BCC908);
bryantaylor 0:eafc3fd41f75 123 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
bryantaylor 0:eafc3fd41f75 124 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
bryantaylor 0:eafc3fd41f75 125 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
bryantaylor 0:eafc3fd41f75 126 ctx->state[4] = UL64(0x510E527FADE682D1);
bryantaylor 0:eafc3fd41f75 127 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
bryantaylor 0:eafc3fd41f75 128 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
bryantaylor 0:eafc3fd41f75 129 ctx->state[7] = UL64(0x5BE0CD19137E2179);
bryantaylor 0:eafc3fd41f75 130 }
bryantaylor 0:eafc3fd41f75 131 else
bryantaylor 0:eafc3fd41f75 132 {
bryantaylor 0:eafc3fd41f75 133 /* SHA-384 */
bryantaylor 0:eafc3fd41f75 134 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
bryantaylor 0:eafc3fd41f75 135 ctx->state[1] = UL64(0x629A292A367CD507);
bryantaylor 0:eafc3fd41f75 136 ctx->state[2] = UL64(0x9159015A3070DD17);
bryantaylor 0:eafc3fd41f75 137 ctx->state[3] = UL64(0x152FECD8F70E5939);
bryantaylor 0:eafc3fd41f75 138 ctx->state[4] = UL64(0x67332667FFC00B31);
bryantaylor 0:eafc3fd41f75 139 ctx->state[5] = UL64(0x8EB44A8768581511);
bryantaylor 0:eafc3fd41f75 140 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
bryantaylor 0:eafc3fd41f75 141 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
bryantaylor 0:eafc3fd41f75 142 }
bryantaylor 0:eafc3fd41f75 143
bryantaylor 0:eafc3fd41f75 144 ctx->is384 = is384;
bryantaylor 0:eafc3fd41f75 145 }
bryantaylor 0:eafc3fd41f75 146
bryantaylor 0:eafc3fd41f75 147 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
bryantaylor 0:eafc3fd41f75 148
bryantaylor 0:eafc3fd41f75 149 /*
bryantaylor 0:eafc3fd41f75 150 * Round constants
bryantaylor 0:eafc3fd41f75 151 */
bryantaylor 0:eafc3fd41f75 152 static const uint64_t K[80] =
bryantaylor 0:eafc3fd41f75 153 {
bryantaylor 0:eafc3fd41f75 154 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
bryantaylor 0:eafc3fd41f75 155 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
bryantaylor 0:eafc3fd41f75 156 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
bryantaylor 0:eafc3fd41f75 157 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
bryantaylor 0:eafc3fd41f75 158 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
bryantaylor 0:eafc3fd41f75 159 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
bryantaylor 0:eafc3fd41f75 160 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
bryantaylor 0:eafc3fd41f75 161 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
bryantaylor 0:eafc3fd41f75 162 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
bryantaylor 0:eafc3fd41f75 163 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
bryantaylor 0:eafc3fd41f75 164 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
bryantaylor 0:eafc3fd41f75 165 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
bryantaylor 0:eafc3fd41f75 166 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
bryantaylor 0:eafc3fd41f75 167 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
bryantaylor 0:eafc3fd41f75 168 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
bryantaylor 0:eafc3fd41f75 169 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
bryantaylor 0:eafc3fd41f75 170 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
bryantaylor 0:eafc3fd41f75 171 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
bryantaylor 0:eafc3fd41f75 172 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
bryantaylor 0:eafc3fd41f75 173 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
bryantaylor 0:eafc3fd41f75 174 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
bryantaylor 0:eafc3fd41f75 175 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
bryantaylor 0:eafc3fd41f75 176 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
bryantaylor 0:eafc3fd41f75 177 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
bryantaylor 0:eafc3fd41f75 178 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
bryantaylor 0:eafc3fd41f75 179 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
bryantaylor 0:eafc3fd41f75 180 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
bryantaylor 0:eafc3fd41f75 181 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
bryantaylor 0:eafc3fd41f75 182 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
bryantaylor 0:eafc3fd41f75 183 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
bryantaylor 0:eafc3fd41f75 184 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
bryantaylor 0:eafc3fd41f75 185 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
bryantaylor 0:eafc3fd41f75 186 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
bryantaylor 0:eafc3fd41f75 187 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
bryantaylor 0:eafc3fd41f75 188 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
bryantaylor 0:eafc3fd41f75 189 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
bryantaylor 0:eafc3fd41f75 190 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
bryantaylor 0:eafc3fd41f75 191 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
bryantaylor 0:eafc3fd41f75 192 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
bryantaylor 0:eafc3fd41f75 193 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
bryantaylor 0:eafc3fd41f75 194 };
bryantaylor 0:eafc3fd41f75 195
bryantaylor 0:eafc3fd41f75 196 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
bryantaylor 0:eafc3fd41f75 197 {
bryantaylor 0:eafc3fd41f75 198 int i;
bryantaylor 0:eafc3fd41f75 199 uint64_t temp1, temp2, W[80];
bryantaylor 0:eafc3fd41f75 200 uint64_t A, B, C, D, E, F, G, H;
bryantaylor 0:eafc3fd41f75 201
bryantaylor 0:eafc3fd41f75 202 #define SHR(x,n) (x >> n)
bryantaylor 0:eafc3fd41f75 203 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
bryantaylor 0:eafc3fd41f75 204
bryantaylor 0:eafc3fd41f75 205 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
bryantaylor 0:eafc3fd41f75 206 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
bryantaylor 0:eafc3fd41f75 207
bryantaylor 0:eafc3fd41f75 208 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
bryantaylor 0:eafc3fd41f75 209 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
bryantaylor 0:eafc3fd41f75 210
bryantaylor 0:eafc3fd41f75 211 #define F0(x,y,z) ((x & y) | (z & (x | y)))
bryantaylor 0:eafc3fd41f75 212 #define F1(x,y,z) (z ^ (x & (y ^ z)))
bryantaylor 0:eafc3fd41f75 213
bryantaylor 0:eafc3fd41f75 214 #define P(a,b,c,d,e,f,g,h,x,K) \
bryantaylor 0:eafc3fd41f75 215 { \
bryantaylor 0:eafc3fd41f75 216 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
bryantaylor 0:eafc3fd41f75 217 temp2 = S2(a) + F0(a,b,c); \
bryantaylor 0:eafc3fd41f75 218 d += temp1; h = temp1 + temp2; \
bryantaylor 0:eafc3fd41f75 219 }
bryantaylor 0:eafc3fd41f75 220
bryantaylor 0:eafc3fd41f75 221 for( i = 0; i < 16; i++ )
bryantaylor 0:eafc3fd41f75 222 {
bryantaylor 0:eafc3fd41f75 223 GET_UINT64_BE( W[i], data, i << 3 );
bryantaylor 0:eafc3fd41f75 224 }
bryantaylor 0:eafc3fd41f75 225
bryantaylor 0:eafc3fd41f75 226 for( ; i < 80; i++ )
bryantaylor 0:eafc3fd41f75 227 {
bryantaylor 0:eafc3fd41f75 228 W[i] = S1(W[i - 2]) + W[i - 7] +
bryantaylor 0:eafc3fd41f75 229 S0(W[i - 15]) + W[i - 16];
bryantaylor 0:eafc3fd41f75 230 }
bryantaylor 0:eafc3fd41f75 231
bryantaylor 0:eafc3fd41f75 232 A = ctx->state[0];
bryantaylor 0:eafc3fd41f75 233 B = ctx->state[1];
bryantaylor 0:eafc3fd41f75 234 C = ctx->state[2];
bryantaylor 0:eafc3fd41f75 235 D = ctx->state[3];
bryantaylor 0:eafc3fd41f75 236 E = ctx->state[4];
bryantaylor 0:eafc3fd41f75 237 F = ctx->state[5];
bryantaylor 0:eafc3fd41f75 238 G = ctx->state[6];
bryantaylor 0:eafc3fd41f75 239 H = ctx->state[7];
bryantaylor 0:eafc3fd41f75 240 i = 0;
bryantaylor 0:eafc3fd41f75 241
bryantaylor 0:eafc3fd41f75 242 do
bryantaylor 0:eafc3fd41f75 243 {
bryantaylor 0:eafc3fd41f75 244 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 245 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 246 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 247 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 248 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 249 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 250 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 251 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
bryantaylor 0:eafc3fd41f75 252 }
bryantaylor 0:eafc3fd41f75 253 while( i < 80 );
bryantaylor 0:eafc3fd41f75 254
bryantaylor 0:eafc3fd41f75 255 ctx->state[0] += A;
bryantaylor 0:eafc3fd41f75 256 ctx->state[1] += B;
bryantaylor 0:eafc3fd41f75 257 ctx->state[2] += C;
bryantaylor 0:eafc3fd41f75 258 ctx->state[3] += D;
bryantaylor 0:eafc3fd41f75 259 ctx->state[4] += E;
bryantaylor 0:eafc3fd41f75 260 ctx->state[5] += F;
bryantaylor 0:eafc3fd41f75 261 ctx->state[6] += G;
bryantaylor 0:eafc3fd41f75 262 ctx->state[7] += H;
bryantaylor 0:eafc3fd41f75 263 }
bryantaylor 0:eafc3fd41f75 264 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
bryantaylor 0:eafc3fd41f75 265
bryantaylor 0:eafc3fd41f75 266 /*
bryantaylor 0:eafc3fd41f75 267 * SHA-512 process buffer
bryantaylor 0:eafc3fd41f75 268 */
bryantaylor 0:eafc3fd41f75 269 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
bryantaylor 0:eafc3fd41f75 270 size_t ilen )
bryantaylor 0:eafc3fd41f75 271 {
bryantaylor 0:eafc3fd41f75 272 size_t fill;
bryantaylor 0:eafc3fd41f75 273 unsigned int left;
bryantaylor 0:eafc3fd41f75 274
bryantaylor 0:eafc3fd41f75 275 if( ilen == 0 )
bryantaylor 0:eafc3fd41f75 276 return;
bryantaylor 0:eafc3fd41f75 277
bryantaylor 0:eafc3fd41f75 278 left = (unsigned int) (ctx->total[0] & 0x7F);
bryantaylor 0:eafc3fd41f75 279 fill = 128 - left;
bryantaylor 0:eafc3fd41f75 280
bryantaylor 0:eafc3fd41f75 281 ctx->total[0] += (uint64_t) ilen;
bryantaylor 0:eafc3fd41f75 282
bryantaylor 0:eafc3fd41f75 283 if( ctx->total[0] < (uint64_t) ilen )
bryantaylor 0:eafc3fd41f75 284 ctx->total[1]++;
bryantaylor 0:eafc3fd41f75 285
bryantaylor 0:eafc3fd41f75 286 if( left && ilen >= fill )
bryantaylor 0:eafc3fd41f75 287 {
bryantaylor 0:eafc3fd41f75 288 memcpy( (void *) (ctx->buffer + left), input, fill );
bryantaylor 0:eafc3fd41f75 289 mbedtls_sha512_process( ctx, ctx->buffer );
bryantaylor 0:eafc3fd41f75 290 input += fill;
bryantaylor 0:eafc3fd41f75 291 ilen -= fill;
bryantaylor 0:eafc3fd41f75 292 left = 0;
bryantaylor 0:eafc3fd41f75 293 }
bryantaylor 0:eafc3fd41f75 294
bryantaylor 0:eafc3fd41f75 295 while( ilen >= 128 )
bryantaylor 0:eafc3fd41f75 296 {
bryantaylor 0:eafc3fd41f75 297 mbedtls_sha512_process( ctx, input );
bryantaylor 0:eafc3fd41f75 298 input += 128;
bryantaylor 0:eafc3fd41f75 299 ilen -= 128;
bryantaylor 0:eafc3fd41f75 300 }
bryantaylor 0:eafc3fd41f75 301
bryantaylor 0:eafc3fd41f75 302 if( ilen > 0 )
bryantaylor 0:eafc3fd41f75 303 memcpy( (void *) (ctx->buffer + left), input, ilen );
bryantaylor 0:eafc3fd41f75 304 }
bryantaylor 0:eafc3fd41f75 305
bryantaylor 0:eafc3fd41f75 306 static const unsigned char sha512_padding[128] =
bryantaylor 0:eafc3fd41f75 307 {
bryantaylor 0:eafc3fd41f75 308 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 309 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 311 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
bryantaylor 0:eafc3fd41f75 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
bryantaylor 0:eafc3fd41f75 316 };
bryantaylor 0:eafc3fd41f75 317
bryantaylor 0:eafc3fd41f75 318 /*
bryantaylor 0:eafc3fd41f75 319 * SHA-512 final digest
bryantaylor 0:eafc3fd41f75 320 */
bryantaylor 0:eafc3fd41f75 321 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
bryantaylor 0:eafc3fd41f75 322 {
bryantaylor 0:eafc3fd41f75 323 size_t last, padn;
bryantaylor 0:eafc3fd41f75 324 uint64_t high, low;
bryantaylor 0:eafc3fd41f75 325 unsigned char msglen[16];
bryantaylor 0:eafc3fd41f75 326
bryantaylor 0:eafc3fd41f75 327 high = ( ctx->total[0] >> 61 )
bryantaylor 0:eafc3fd41f75 328 | ( ctx->total[1] << 3 );
bryantaylor 0:eafc3fd41f75 329 low = ( ctx->total[0] << 3 );
bryantaylor 0:eafc3fd41f75 330
bryantaylor 0:eafc3fd41f75 331 PUT_UINT64_BE( high, msglen, 0 );
bryantaylor 0:eafc3fd41f75 332 PUT_UINT64_BE( low, msglen, 8 );
bryantaylor 0:eafc3fd41f75 333
bryantaylor 0:eafc3fd41f75 334 last = (size_t)( ctx->total[0] & 0x7F );
bryantaylor 0:eafc3fd41f75 335 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
bryantaylor 0:eafc3fd41f75 336
bryantaylor 0:eafc3fd41f75 337 mbedtls_sha512_update( ctx, sha512_padding, padn );
bryantaylor 0:eafc3fd41f75 338 mbedtls_sha512_update( ctx, msglen, 16 );
bryantaylor 0:eafc3fd41f75 339
bryantaylor 0:eafc3fd41f75 340 PUT_UINT64_BE( ctx->state[0], output, 0 );
bryantaylor 0:eafc3fd41f75 341 PUT_UINT64_BE( ctx->state[1], output, 8 );
bryantaylor 0:eafc3fd41f75 342 PUT_UINT64_BE( ctx->state[2], output, 16 );
bryantaylor 0:eafc3fd41f75 343 PUT_UINT64_BE( ctx->state[3], output, 24 );
bryantaylor 0:eafc3fd41f75 344 PUT_UINT64_BE( ctx->state[4], output, 32 );
bryantaylor 0:eafc3fd41f75 345 PUT_UINT64_BE( ctx->state[5], output, 40 );
bryantaylor 0:eafc3fd41f75 346
bryantaylor 0:eafc3fd41f75 347 if( ctx->is384 == 0 )
bryantaylor 0:eafc3fd41f75 348 {
bryantaylor 0:eafc3fd41f75 349 PUT_UINT64_BE( ctx->state[6], output, 48 );
bryantaylor 0:eafc3fd41f75 350 PUT_UINT64_BE( ctx->state[7], output, 56 );
bryantaylor 0:eafc3fd41f75 351 }
bryantaylor 0:eafc3fd41f75 352 }
bryantaylor 0:eafc3fd41f75 353
bryantaylor 0:eafc3fd41f75 354 #endif /* !MBEDTLS_SHA512_ALT */
bryantaylor 0:eafc3fd41f75 355
bryantaylor 0:eafc3fd41f75 356 /*
bryantaylor 0:eafc3fd41f75 357 * output = SHA-512( input buffer )
bryantaylor 0:eafc3fd41f75 358 */
bryantaylor 0:eafc3fd41f75 359 void mbedtls_sha512( const unsigned char *input, size_t ilen,
bryantaylor 0:eafc3fd41f75 360 unsigned char output[64], int is384 )
bryantaylor 0:eafc3fd41f75 361 {
bryantaylor 0:eafc3fd41f75 362 mbedtls_sha512_context ctx;
bryantaylor 0:eafc3fd41f75 363
bryantaylor 0:eafc3fd41f75 364 mbedtls_sha512_init( &ctx );
bryantaylor 0:eafc3fd41f75 365 mbedtls_sha512_starts( &ctx, is384 );
bryantaylor 0:eafc3fd41f75 366 mbedtls_sha512_update( &ctx, input, ilen );
bryantaylor 0:eafc3fd41f75 367 mbedtls_sha512_finish( &ctx, output );
bryantaylor 0:eafc3fd41f75 368 mbedtls_sha512_free( &ctx );
bryantaylor 0:eafc3fd41f75 369 }
bryantaylor 0:eafc3fd41f75 370
bryantaylor 0:eafc3fd41f75 371 #if defined(MBEDTLS_SELF_TEST)
bryantaylor 0:eafc3fd41f75 372
bryantaylor 0:eafc3fd41f75 373 /*
bryantaylor 0:eafc3fd41f75 374 * FIPS-180-2 test vectors
bryantaylor 0:eafc3fd41f75 375 */
bryantaylor 0:eafc3fd41f75 376 static const unsigned char sha512_test_buf[3][113] =
bryantaylor 0:eafc3fd41f75 377 {
bryantaylor 0:eafc3fd41f75 378 { "abc" },
bryantaylor 0:eafc3fd41f75 379 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
bryantaylor 0:eafc3fd41f75 380 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
bryantaylor 0:eafc3fd41f75 381 { "" }
bryantaylor 0:eafc3fd41f75 382 };
bryantaylor 0:eafc3fd41f75 383
bryantaylor 0:eafc3fd41f75 384 static const int sha512_test_buflen[3] =
bryantaylor 0:eafc3fd41f75 385 {
bryantaylor 0:eafc3fd41f75 386 3, 112, 1000
bryantaylor 0:eafc3fd41f75 387 };
bryantaylor 0:eafc3fd41f75 388
bryantaylor 0:eafc3fd41f75 389 static const unsigned char sha512_test_sum[6][64] =
bryantaylor 0:eafc3fd41f75 390 {
bryantaylor 0:eafc3fd41f75 391 /*
bryantaylor 0:eafc3fd41f75 392 * SHA-384 test vectors
bryantaylor 0:eafc3fd41f75 393 */
bryantaylor 0:eafc3fd41f75 394 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
bryantaylor 0:eafc3fd41f75 395 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
bryantaylor 0:eafc3fd41f75 396 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
bryantaylor 0:eafc3fd41f75 397 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
bryantaylor 0:eafc3fd41f75 398 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
bryantaylor 0:eafc3fd41f75 399 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
bryantaylor 0:eafc3fd41f75 400 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
bryantaylor 0:eafc3fd41f75 401 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
bryantaylor 0:eafc3fd41f75 402 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
bryantaylor 0:eafc3fd41f75 403 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
bryantaylor 0:eafc3fd41f75 404 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
bryantaylor 0:eafc3fd41f75 405 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
bryantaylor 0:eafc3fd41f75 406 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
bryantaylor 0:eafc3fd41f75 407 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
bryantaylor 0:eafc3fd41f75 408 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
bryantaylor 0:eafc3fd41f75 409 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
bryantaylor 0:eafc3fd41f75 410 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
bryantaylor 0:eafc3fd41f75 411 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
bryantaylor 0:eafc3fd41f75 412
bryantaylor 0:eafc3fd41f75 413 /*
bryantaylor 0:eafc3fd41f75 414 * SHA-512 test vectors
bryantaylor 0:eafc3fd41f75 415 */
bryantaylor 0:eafc3fd41f75 416 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
bryantaylor 0:eafc3fd41f75 417 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
bryantaylor 0:eafc3fd41f75 418 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
bryantaylor 0:eafc3fd41f75 419 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
bryantaylor 0:eafc3fd41f75 420 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
bryantaylor 0:eafc3fd41f75 421 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
bryantaylor 0:eafc3fd41f75 422 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
bryantaylor 0:eafc3fd41f75 423 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
bryantaylor 0:eafc3fd41f75 424 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
bryantaylor 0:eafc3fd41f75 425 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
bryantaylor 0:eafc3fd41f75 426 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
bryantaylor 0:eafc3fd41f75 427 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
bryantaylor 0:eafc3fd41f75 428 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
bryantaylor 0:eafc3fd41f75 429 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
bryantaylor 0:eafc3fd41f75 430 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
bryantaylor 0:eafc3fd41f75 431 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
bryantaylor 0:eafc3fd41f75 432 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
bryantaylor 0:eafc3fd41f75 433 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
bryantaylor 0:eafc3fd41f75 434 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
bryantaylor 0:eafc3fd41f75 435 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
bryantaylor 0:eafc3fd41f75 436 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
bryantaylor 0:eafc3fd41f75 437 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
bryantaylor 0:eafc3fd41f75 438 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
bryantaylor 0:eafc3fd41f75 439 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
bryantaylor 0:eafc3fd41f75 440 };
bryantaylor 0:eafc3fd41f75 441
bryantaylor 0:eafc3fd41f75 442 /*
bryantaylor 0:eafc3fd41f75 443 * Checkup routine
bryantaylor 0:eafc3fd41f75 444 */
bryantaylor 0:eafc3fd41f75 445 int mbedtls_sha512_self_test( int verbose )
bryantaylor 0:eafc3fd41f75 446 {
bryantaylor 0:eafc3fd41f75 447 int i, j, k, buflen, ret = 0;
bryantaylor 0:eafc3fd41f75 448 unsigned char buf[1024];
bryantaylor 0:eafc3fd41f75 449 unsigned char sha512sum[64];
bryantaylor 0:eafc3fd41f75 450 mbedtls_sha512_context ctx;
bryantaylor 0:eafc3fd41f75 451
bryantaylor 0:eafc3fd41f75 452 mbedtls_sha512_init( &ctx );
bryantaylor 0:eafc3fd41f75 453
bryantaylor 0:eafc3fd41f75 454 for( i = 0; i < 6; i++ )
bryantaylor 0:eafc3fd41f75 455 {
bryantaylor 0:eafc3fd41f75 456 j = i % 3;
bryantaylor 0:eafc3fd41f75 457 k = i < 3;
bryantaylor 0:eafc3fd41f75 458
bryantaylor 0:eafc3fd41f75 459 if( verbose != 0 )
bryantaylor 0:eafc3fd41f75 460 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
bryantaylor 0:eafc3fd41f75 461
bryantaylor 0:eafc3fd41f75 462 mbedtls_sha512_starts( &ctx, k );
bryantaylor 0:eafc3fd41f75 463
bryantaylor 0:eafc3fd41f75 464 if( j == 2 )
bryantaylor 0:eafc3fd41f75 465 {
bryantaylor 0:eafc3fd41f75 466 memset( buf, 'a', buflen = 1000 );
bryantaylor 0:eafc3fd41f75 467
bryantaylor 0:eafc3fd41f75 468 for( j = 0; j < 1000; j++ )
bryantaylor 0:eafc3fd41f75 469 mbedtls_sha512_update( &ctx, buf, buflen );
bryantaylor 0:eafc3fd41f75 470 }
bryantaylor 0:eafc3fd41f75 471 else
bryantaylor 0:eafc3fd41f75 472 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
bryantaylor 0:eafc3fd41f75 473 sha512_test_buflen[j] );
bryantaylor 0:eafc3fd41f75 474
bryantaylor 0:eafc3fd41f75 475 mbedtls_sha512_finish( &ctx, sha512sum );
bryantaylor 0:eafc3fd41f75 476
bryantaylor 0:eafc3fd41f75 477 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
bryantaylor 0:eafc3fd41f75 478 {
bryantaylor 0:eafc3fd41f75 479 if( verbose != 0 )
bryantaylor 0:eafc3fd41f75 480 mbedtls_printf( "failed\n" );
bryantaylor 0:eafc3fd41f75 481
bryantaylor 0:eafc3fd41f75 482 ret = 1;
bryantaylor 0:eafc3fd41f75 483 goto exit;
bryantaylor 0:eafc3fd41f75 484 }
bryantaylor 0:eafc3fd41f75 485
bryantaylor 0:eafc3fd41f75 486 if( verbose != 0 )
bryantaylor 0:eafc3fd41f75 487 mbedtls_printf( "passed\n" );
bryantaylor 0:eafc3fd41f75 488 }
bryantaylor 0:eafc3fd41f75 489
bryantaylor 0:eafc3fd41f75 490 if( verbose != 0 )
bryantaylor 0:eafc3fd41f75 491 mbedtls_printf( "\n" );
bryantaylor 0:eafc3fd41f75 492
bryantaylor 0:eafc3fd41f75 493 exit:
bryantaylor 0:eafc3fd41f75 494 mbedtls_sha512_free( &ctx );
bryantaylor 0:eafc3fd41f75 495
bryantaylor 0:eafc3fd41f75 496 return( ret );
bryantaylor 0:eafc3fd41f75 497 }
bryantaylor 0:eafc3fd41f75 498
bryantaylor 0:eafc3fd41f75 499 #endif /* MBEDTLS_SELF_TEST */
bryantaylor 0:eafc3fd41f75 500
bryantaylor 0:eafc3fd41f75 501 #endif /* MBEDTLS_SHA512_C */