Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbedtls/source/sha512.c@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /*
mbedAustin 11:cada08fc8a70 2 * FIPS-180-2 compliant SHA-384/512 implementation
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
mbedAustin 11:cada08fc8a70 5 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 6 *
mbedAustin 11:cada08fc8a70 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
mbedAustin 11:cada08fc8a70 8 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 9 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 10 *
mbedAustin 11:cada08fc8a70 11 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 12 *
mbedAustin 11:cada08fc8a70 13 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 16 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 17 * limitations under the License.
mbedAustin 11:cada08fc8a70 18 *
mbedAustin 11:cada08fc8a70 19 * This file is part of mbed TLS (https://tls.mbed.org)
mbedAustin 11:cada08fc8a70 20 */
mbedAustin 11:cada08fc8a70 21 /*
mbedAustin 11:cada08fc8a70 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
mbedAustin 11:cada08fc8a70 23 *
mbedAustin 11:cada08fc8a70 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
mbedAustin 11:cada08fc8a70 25 */
mbedAustin 11:cada08fc8a70 26
mbedAustin 11:cada08fc8a70 27 #if !defined(MBEDTLS_CONFIG_FILE)
mbedAustin 11:cada08fc8a70 28 #include "mbedtls/config.h"
mbedAustin 11:cada08fc8a70 29 #else
mbedAustin 11:cada08fc8a70 30 #include MBEDTLS_CONFIG_FILE
mbedAustin 11:cada08fc8a70 31 #endif
mbedAustin 11:cada08fc8a70 32
mbedAustin 11:cada08fc8a70 33 #if defined(MBEDTLS_SHA512_C)
mbedAustin 11:cada08fc8a70 34
mbedAustin 11:cada08fc8a70 35 #include "mbedtls/sha512.h"
mbedAustin 11:cada08fc8a70 36
mbedAustin 11:cada08fc8a70 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
mbedAustin 11:cada08fc8a70 38 #define UL64(x) x##ui64
mbedAustin 11:cada08fc8a70 39 #else
mbedAustin 11:cada08fc8a70 40 #define UL64(x) x##ULL
mbedAustin 11:cada08fc8a70 41 #endif
mbedAustin 11:cada08fc8a70 42
mbedAustin 11:cada08fc8a70 43 #include <string.h>
mbedAustin 11:cada08fc8a70 44
mbedAustin 11:cada08fc8a70 45 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 46 #if defined(MBEDTLS_PLATFORM_C)
mbedAustin 11:cada08fc8a70 47 #include "mbedtls/platform.h"
mbedAustin 11:cada08fc8a70 48 #else
mbedAustin 11:cada08fc8a70 49 #include <stdio.h>
mbedAustin 11:cada08fc8a70 50 #define mbedtls_printf printf
mbedAustin 11:cada08fc8a70 51 #endif /* MBEDTLS_PLATFORM_C */
mbedAustin 11:cada08fc8a70 52 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 53
mbedAustin 11:cada08fc8a70 54 #if !defined(MBEDTLS_SHA512_ALT)
mbedAustin 11:cada08fc8a70 55
mbedAustin 11:cada08fc8a70 56 /* Implementation that should never be optimized out by the compiler */
mbedAustin 11:cada08fc8a70 57 static void mbedtls_zeroize( void *v, size_t n ) {
mbedAustin 11:cada08fc8a70 58 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
mbedAustin 11:cada08fc8a70 59 }
mbedAustin 11:cada08fc8a70 60
mbedAustin 11:cada08fc8a70 61 /*
mbedAustin 11:cada08fc8a70 62 * 64-bit integer manipulation macros (big endian)
mbedAustin 11:cada08fc8a70 63 */
mbedAustin 11:cada08fc8a70 64 #ifndef GET_UINT64_BE
mbedAustin 11:cada08fc8a70 65 #define GET_UINT64_BE(n,b,i) \
mbedAustin 11:cada08fc8a70 66 { \
mbedAustin 11:cada08fc8a70 67 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
mbedAustin 11:cada08fc8a70 68 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
mbedAustin 11:cada08fc8a70 69 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
mbedAustin 11:cada08fc8a70 70 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
mbedAustin 11:cada08fc8a70 71 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
mbedAustin 11:cada08fc8a70 72 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
mbedAustin 11:cada08fc8a70 73 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
mbedAustin 11:cada08fc8a70 74 | ( (uint64_t) (b)[(i) + 7] ); \
mbedAustin 11:cada08fc8a70 75 }
mbedAustin 11:cada08fc8a70 76 #endif /* GET_UINT64_BE */
mbedAustin 11:cada08fc8a70 77
mbedAustin 11:cada08fc8a70 78 #ifndef PUT_UINT64_BE
mbedAustin 11:cada08fc8a70 79 #define PUT_UINT64_BE(n,b,i) \
mbedAustin 11:cada08fc8a70 80 { \
mbedAustin 11:cada08fc8a70 81 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
mbedAustin 11:cada08fc8a70 82 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
mbedAustin 11:cada08fc8a70 83 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
mbedAustin 11:cada08fc8a70 84 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
mbedAustin 11:cada08fc8a70 85 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
mbedAustin 11:cada08fc8a70 86 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
mbedAustin 11:cada08fc8a70 87 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
mbedAustin 11:cada08fc8a70 88 (b)[(i) + 7] = (unsigned char) ( (n) ); \
mbedAustin 11:cada08fc8a70 89 }
mbedAustin 11:cada08fc8a70 90 #endif /* PUT_UINT64_BE */
mbedAustin 11:cada08fc8a70 91
mbedAustin 11:cada08fc8a70 92 /*
mbedAustin 11:cada08fc8a70 93 * Round constants
mbedAustin 11:cada08fc8a70 94 */
mbedAustin 11:cada08fc8a70 95 static const uint64_t K[80] =
mbedAustin 11:cada08fc8a70 96 {
mbedAustin 11:cada08fc8a70 97 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
mbedAustin 11:cada08fc8a70 98 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
mbedAustin 11:cada08fc8a70 99 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
mbedAustin 11:cada08fc8a70 100 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
mbedAustin 11:cada08fc8a70 101 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
mbedAustin 11:cada08fc8a70 102 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
mbedAustin 11:cada08fc8a70 103 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
mbedAustin 11:cada08fc8a70 104 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
mbedAustin 11:cada08fc8a70 105 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
mbedAustin 11:cada08fc8a70 106 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
mbedAustin 11:cada08fc8a70 107 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
mbedAustin 11:cada08fc8a70 108 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
mbedAustin 11:cada08fc8a70 109 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
mbedAustin 11:cada08fc8a70 110 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
mbedAustin 11:cada08fc8a70 111 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
mbedAustin 11:cada08fc8a70 112 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
mbedAustin 11:cada08fc8a70 113 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
mbedAustin 11:cada08fc8a70 114 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
mbedAustin 11:cada08fc8a70 115 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
mbedAustin 11:cada08fc8a70 116 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
mbedAustin 11:cada08fc8a70 117 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
mbedAustin 11:cada08fc8a70 118 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
mbedAustin 11:cada08fc8a70 119 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
mbedAustin 11:cada08fc8a70 120 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
mbedAustin 11:cada08fc8a70 121 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
mbedAustin 11:cada08fc8a70 122 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
mbedAustin 11:cada08fc8a70 123 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
mbedAustin 11:cada08fc8a70 124 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
mbedAustin 11:cada08fc8a70 125 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
mbedAustin 11:cada08fc8a70 126 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
mbedAustin 11:cada08fc8a70 127 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
mbedAustin 11:cada08fc8a70 128 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
mbedAustin 11:cada08fc8a70 129 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
mbedAustin 11:cada08fc8a70 130 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
mbedAustin 11:cada08fc8a70 131 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
mbedAustin 11:cada08fc8a70 132 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
mbedAustin 11:cada08fc8a70 133 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
mbedAustin 11:cada08fc8a70 134 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
mbedAustin 11:cada08fc8a70 135 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
mbedAustin 11:cada08fc8a70 136 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
mbedAustin 11:cada08fc8a70 137 };
mbedAustin 11:cada08fc8a70 138
mbedAustin 11:cada08fc8a70 139 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
mbedAustin 11:cada08fc8a70 140 {
mbedAustin 11:cada08fc8a70 141 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
mbedAustin 11:cada08fc8a70 142 }
mbedAustin 11:cada08fc8a70 143
mbedAustin 11:cada08fc8a70 144 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
mbedAustin 11:cada08fc8a70 145 {
mbedAustin 11:cada08fc8a70 146 if( ctx == NULL )
mbedAustin 11:cada08fc8a70 147 return;
mbedAustin 11:cada08fc8a70 148
mbedAustin 11:cada08fc8a70 149 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
mbedAustin 11:cada08fc8a70 150 }
mbedAustin 11:cada08fc8a70 151
mbedAustin 11:cada08fc8a70 152 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
mbedAustin 11:cada08fc8a70 153 const mbedtls_sha512_context *src )
mbedAustin 11:cada08fc8a70 154 {
mbedAustin 11:cada08fc8a70 155 *dst = *src;
mbedAustin 11:cada08fc8a70 156 }
mbedAustin 11:cada08fc8a70 157
mbedAustin 11:cada08fc8a70 158 /*
mbedAustin 11:cada08fc8a70 159 * SHA-512 context setup
mbedAustin 11:cada08fc8a70 160 */
mbedAustin 11:cada08fc8a70 161 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
mbedAustin 11:cada08fc8a70 162 {
mbedAustin 11:cada08fc8a70 163 ctx->total[0] = 0;
mbedAustin 11:cada08fc8a70 164 ctx->total[1] = 0;
mbedAustin 11:cada08fc8a70 165
mbedAustin 11:cada08fc8a70 166 if( is384 == 0 )
mbedAustin 11:cada08fc8a70 167 {
mbedAustin 11:cada08fc8a70 168 /* SHA-512 */
mbedAustin 11:cada08fc8a70 169 ctx->state[0] = UL64(0x6A09E667F3BCC908);
mbedAustin 11:cada08fc8a70 170 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
mbedAustin 11:cada08fc8a70 171 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
mbedAustin 11:cada08fc8a70 172 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
mbedAustin 11:cada08fc8a70 173 ctx->state[4] = UL64(0x510E527FADE682D1);
mbedAustin 11:cada08fc8a70 174 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
mbedAustin 11:cada08fc8a70 175 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
mbedAustin 11:cada08fc8a70 176 ctx->state[7] = UL64(0x5BE0CD19137E2179);
mbedAustin 11:cada08fc8a70 177 }
mbedAustin 11:cada08fc8a70 178 else
mbedAustin 11:cada08fc8a70 179 {
mbedAustin 11:cada08fc8a70 180 /* SHA-384 */
mbedAustin 11:cada08fc8a70 181 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
mbedAustin 11:cada08fc8a70 182 ctx->state[1] = UL64(0x629A292A367CD507);
mbedAustin 11:cada08fc8a70 183 ctx->state[2] = UL64(0x9159015A3070DD17);
mbedAustin 11:cada08fc8a70 184 ctx->state[3] = UL64(0x152FECD8F70E5939);
mbedAustin 11:cada08fc8a70 185 ctx->state[4] = UL64(0x67332667FFC00B31);
mbedAustin 11:cada08fc8a70 186 ctx->state[5] = UL64(0x8EB44A8768581511);
mbedAustin 11:cada08fc8a70 187 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
mbedAustin 11:cada08fc8a70 188 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
mbedAustin 11:cada08fc8a70 189 }
mbedAustin 11:cada08fc8a70 190
mbedAustin 11:cada08fc8a70 191 ctx->is384 = is384;
mbedAustin 11:cada08fc8a70 192 }
mbedAustin 11:cada08fc8a70 193
mbedAustin 11:cada08fc8a70 194 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
mbedAustin 11:cada08fc8a70 195 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
mbedAustin 11:cada08fc8a70 196 {
mbedAustin 11:cada08fc8a70 197 int i;
mbedAustin 11:cada08fc8a70 198 uint64_t temp1, temp2, W[80];
mbedAustin 11:cada08fc8a70 199 uint64_t A, B, C, D, E, F, G, H;
mbedAustin 11:cada08fc8a70 200
mbedAustin 11:cada08fc8a70 201 #define SHR(x,n) (x >> n)
mbedAustin 11:cada08fc8a70 202 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
mbedAustin 11:cada08fc8a70 203
mbedAustin 11:cada08fc8a70 204 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
mbedAustin 11:cada08fc8a70 205 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
mbedAustin 11:cada08fc8a70 206
mbedAustin 11:cada08fc8a70 207 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
mbedAustin 11:cada08fc8a70 208 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
mbedAustin 11:cada08fc8a70 209
mbedAustin 11:cada08fc8a70 210 #define F0(x,y,z) ((x & y) | (z & (x | y)))
mbedAustin 11:cada08fc8a70 211 #define F1(x,y,z) (z ^ (x & (y ^ z)))
mbedAustin 11:cada08fc8a70 212
mbedAustin 11:cada08fc8a70 213 #define P(a,b,c,d,e,f,g,h,x,K) \
mbedAustin 11:cada08fc8a70 214 { \
mbedAustin 11:cada08fc8a70 215 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
mbedAustin 11:cada08fc8a70 216 temp2 = S2(a) + F0(a,b,c); \
mbedAustin 11:cada08fc8a70 217 d += temp1; h = temp1 + temp2; \
mbedAustin 11:cada08fc8a70 218 }
mbedAustin 11:cada08fc8a70 219
mbedAustin 11:cada08fc8a70 220 for( i = 0; i < 16; i++ )
mbedAustin 11:cada08fc8a70 221 {
mbedAustin 11:cada08fc8a70 222 GET_UINT64_BE( W[i], data, i << 3 );
mbedAustin 11:cada08fc8a70 223 }
mbedAustin 11:cada08fc8a70 224
mbedAustin 11:cada08fc8a70 225 for( ; i < 80; i++ )
mbedAustin 11:cada08fc8a70 226 {
mbedAustin 11:cada08fc8a70 227 W[i] = S1(W[i - 2]) + W[i - 7] +
mbedAustin 11:cada08fc8a70 228 S0(W[i - 15]) + W[i - 16];
mbedAustin 11:cada08fc8a70 229 }
mbedAustin 11:cada08fc8a70 230
mbedAustin 11:cada08fc8a70 231 A = ctx->state[0];
mbedAustin 11:cada08fc8a70 232 B = ctx->state[1];
mbedAustin 11:cada08fc8a70 233 C = ctx->state[2];
mbedAustin 11:cada08fc8a70 234 D = ctx->state[3];
mbedAustin 11:cada08fc8a70 235 E = ctx->state[4];
mbedAustin 11:cada08fc8a70 236 F = ctx->state[5];
mbedAustin 11:cada08fc8a70 237 G = ctx->state[6];
mbedAustin 11:cada08fc8a70 238 H = ctx->state[7];
mbedAustin 11:cada08fc8a70 239 i = 0;
mbedAustin 11:cada08fc8a70 240
mbedAustin 11:cada08fc8a70 241 do
mbedAustin 11:cada08fc8a70 242 {
mbedAustin 11:cada08fc8a70 243 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 244 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 245 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 246 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 247 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 248 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 249 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 250 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
mbedAustin 11:cada08fc8a70 251 }
mbedAustin 11:cada08fc8a70 252 while( i < 80 );
mbedAustin 11:cada08fc8a70 253
mbedAustin 11:cada08fc8a70 254 ctx->state[0] += A;
mbedAustin 11:cada08fc8a70 255 ctx->state[1] += B;
mbedAustin 11:cada08fc8a70 256 ctx->state[2] += C;
mbedAustin 11:cada08fc8a70 257 ctx->state[3] += D;
mbedAustin 11:cada08fc8a70 258 ctx->state[4] += E;
mbedAustin 11:cada08fc8a70 259 ctx->state[5] += F;
mbedAustin 11:cada08fc8a70 260 ctx->state[6] += G;
mbedAustin 11:cada08fc8a70 261 ctx->state[7] += H;
mbedAustin 11:cada08fc8a70 262 }
mbedAustin 11:cada08fc8a70 263 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
mbedAustin 11:cada08fc8a70 264
mbedAustin 11:cada08fc8a70 265 /*
mbedAustin 11:cada08fc8a70 266 * SHA-512 process buffer
mbedAustin 11:cada08fc8a70 267 */
mbedAustin 11:cada08fc8a70 268 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
mbedAustin 11:cada08fc8a70 269 size_t ilen )
mbedAustin 11:cada08fc8a70 270 {
mbedAustin 11:cada08fc8a70 271 size_t fill;
mbedAustin 11:cada08fc8a70 272 unsigned int left;
mbedAustin 11:cada08fc8a70 273
mbedAustin 11:cada08fc8a70 274 if( ilen == 0 )
mbedAustin 11:cada08fc8a70 275 return;
mbedAustin 11:cada08fc8a70 276
mbedAustin 11:cada08fc8a70 277 left = (unsigned int) (ctx->total[0] & 0x7F);
mbedAustin 11:cada08fc8a70 278 fill = 128 - left;
mbedAustin 11:cada08fc8a70 279
mbedAustin 11:cada08fc8a70 280 ctx->total[0] += (uint64_t) ilen;
mbedAustin 11:cada08fc8a70 281
mbedAustin 11:cada08fc8a70 282 if( ctx->total[0] < (uint64_t) ilen )
mbedAustin 11:cada08fc8a70 283 ctx->total[1]++;
mbedAustin 11:cada08fc8a70 284
mbedAustin 11:cada08fc8a70 285 if( left && ilen >= fill )
mbedAustin 11:cada08fc8a70 286 {
mbedAustin 11:cada08fc8a70 287 memcpy( (void *) (ctx->buffer + left), input, fill );
mbedAustin 11:cada08fc8a70 288 mbedtls_sha512_process( ctx, ctx->buffer );
mbedAustin 11:cada08fc8a70 289 input += fill;
mbedAustin 11:cada08fc8a70 290 ilen -= fill;
mbedAustin 11:cada08fc8a70 291 left = 0;
mbedAustin 11:cada08fc8a70 292 }
mbedAustin 11:cada08fc8a70 293
mbedAustin 11:cada08fc8a70 294 while( ilen >= 128 )
mbedAustin 11:cada08fc8a70 295 {
mbedAustin 11:cada08fc8a70 296 mbedtls_sha512_process( ctx, input );
mbedAustin 11:cada08fc8a70 297 input += 128;
mbedAustin 11:cada08fc8a70 298 ilen -= 128;
mbedAustin 11:cada08fc8a70 299 }
mbedAustin 11:cada08fc8a70 300
mbedAustin 11:cada08fc8a70 301 if( ilen > 0 )
mbedAustin 11:cada08fc8a70 302 memcpy( (void *) (ctx->buffer + left), input, ilen );
mbedAustin 11:cada08fc8a70 303 }
mbedAustin 11:cada08fc8a70 304
mbedAustin 11:cada08fc8a70 305 static const unsigned char sha512_padding[128] =
mbedAustin 11:cada08fc8a70 306 {
mbedAustin 11:cada08fc8a70 307 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 308 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 309 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 311 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
mbedAustin 11:cada08fc8a70 315 };
mbedAustin 11:cada08fc8a70 316
mbedAustin 11:cada08fc8a70 317 /*
mbedAustin 11:cada08fc8a70 318 * SHA-512 final digest
mbedAustin 11:cada08fc8a70 319 */
mbedAustin 11:cada08fc8a70 320 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
mbedAustin 11:cada08fc8a70 321 {
mbedAustin 11:cada08fc8a70 322 size_t last, padn;
mbedAustin 11:cada08fc8a70 323 uint64_t high, low;
mbedAustin 11:cada08fc8a70 324 unsigned char msglen[16];
mbedAustin 11:cada08fc8a70 325
mbedAustin 11:cada08fc8a70 326 high = ( ctx->total[0] >> 61 )
mbedAustin 11:cada08fc8a70 327 | ( ctx->total[1] << 3 );
mbedAustin 11:cada08fc8a70 328 low = ( ctx->total[0] << 3 );
mbedAustin 11:cada08fc8a70 329
mbedAustin 11:cada08fc8a70 330 PUT_UINT64_BE( high, msglen, 0 );
mbedAustin 11:cada08fc8a70 331 PUT_UINT64_BE( low, msglen, 8 );
mbedAustin 11:cada08fc8a70 332
mbedAustin 11:cada08fc8a70 333 last = (size_t)( ctx->total[0] & 0x7F );
mbedAustin 11:cada08fc8a70 334 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
mbedAustin 11:cada08fc8a70 335
mbedAustin 11:cada08fc8a70 336 mbedtls_sha512_update( ctx, sha512_padding, padn );
mbedAustin 11:cada08fc8a70 337 mbedtls_sha512_update( ctx, msglen, 16 );
mbedAustin 11:cada08fc8a70 338
mbedAustin 11:cada08fc8a70 339 PUT_UINT64_BE( ctx->state[0], output, 0 );
mbedAustin 11:cada08fc8a70 340 PUT_UINT64_BE( ctx->state[1], output, 8 );
mbedAustin 11:cada08fc8a70 341 PUT_UINT64_BE( ctx->state[2], output, 16 );
mbedAustin 11:cada08fc8a70 342 PUT_UINT64_BE( ctx->state[3], output, 24 );
mbedAustin 11:cada08fc8a70 343 PUT_UINT64_BE( ctx->state[4], output, 32 );
mbedAustin 11:cada08fc8a70 344 PUT_UINT64_BE( ctx->state[5], output, 40 );
mbedAustin 11:cada08fc8a70 345
mbedAustin 11:cada08fc8a70 346 if( ctx->is384 == 0 )
mbedAustin 11:cada08fc8a70 347 {
mbedAustin 11:cada08fc8a70 348 PUT_UINT64_BE( ctx->state[6], output, 48 );
mbedAustin 11:cada08fc8a70 349 PUT_UINT64_BE( ctx->state[7], output, 56 );
mbedAustin 11:cada08fc8a70 350 }
mbedAustin 11:cada08fc8a70 351 }
mbedAustin 11:cada08fc8a70 352
mbedAustin 11:cada08fc8a70 353 #endif /* !MBEDTLS_SHA512_ALT */
mbedAustin 11:cada08fc8a70 354
mbedAustin 11:cada08fc8a70 355 /*
mbedAustin 11:cada08fc8a70 356 * output = SHA-512( input buffer )
mbedAustin 11:cada08fc8a70 357 */
mbedAustin 11:cada08fc8a70 358 void mbedtls_sha512( const unsigned char *input, size_t ilen,
mbedAustin 11:cada08fc8a70 359 unsigned char output[64], int is384 )
mbedAustin 11:cada08fc8a70 360 {
mbedAustin 11:cada08fc8a70 361 mbedtls_sha512_context ctx;
mbedAustin 11:cada08fc8a70 362
mbedAustin 11:cada08fc8a70 363 mbedtls_sha512_init( &ctx );
mbedAustin 11:cada08fc8a70 364 mbedtls_sha512_starts( &ctx, is384 );
mbedAustin 11:cada08fc8a70 365 mbedtls_sha512_update( &ctx, input, ilen );
mbedAustin 11:cada08fc8a70 366 mbedtls_sha512_finish( &ctx, output );
mbedAustin 11:cada08fc8a70 367 mbedtls_sha512_free( &ctx );
mbedAustin 11:cada08fc8a70 368 }
mbedAustin 11:cada08fc8a70 369
mbedAustin 11:cada08fc8a70 370 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 371
mbedAustin 11:cada08fc8a70 372 /*
mbedAustin 11:cada08fc8a70 373 * FIPS-180-2 test vectors
mbedAustin 11:cada08fc8a70 374 */
mbedAustin 11:cada08fc8a70 375 static const unsigned char sha512_test_buf[3][113] =
mbedAustin 11:cada08fc8a70 376 {
mbedAustin 11:cada08fc8a70 377 { "abc" },
mbedAustin 11:cada08fc8a70 378 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
mbedAustin 11:cada08fc8a70 379 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
mbedAustin 11:cada08fc8a70 380 { "" }
mbedAustin 11:cada08fc8a70 381 };
mbedAustin 11:cada08fc8a70 382
mbedAustin 11:cada08fc8a70 383 static const int sha512_test_buflen[3] =
mbedAustin 11:cada08fc8a70 384 {
mbedAustin 11:cada08fc8a70 385 3, 112, 1000
mbedAustin 11:cada08fc8a70 386 };
mbedAustin 11:cada08fc8a70 387
mbedAustin 11:cada08fc8a70 388 static const unsigned char sha512_test_sum[6][64] =
mbedAustin 11:cada08fc8a70 389 {
mbedAustin 11:cada08fc8a70 390 /*
mbedAustin 11:cada08fc8a70 391 * SHA-384 test vectors
mbedAustin 11:cada08fc8a70 392 */
mbedAustin 11:cada08fc8a70 393 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
mbedAustin 11:cada08fc8a70 394 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
mbedAustin 11:cada08fc8a70 395 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
mbedAustin 11:cada08fc8a70 396 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
mbedAustin 11:cada08fc8a70 397 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
mbedAustin 11:cada08fc8a70 398 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
mbedAustin 11:cada08fc8a70 399 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
mbedAustin 11:cada08fc8a70 400 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
mbedAustin 11:cada08fc8a70 401 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
mbedAustin 11:cada08fc8a70 402 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
mbedAustin 11:cada08fc8a70 403 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
mbedAustin 11:cada08fc8a70 404 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
mbedAustin 11:cada08fc8a70 405 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
mbedAustin 11:cada08fc8a70 406 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
mbedAustin 11:cada08fc8a70 407 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
mbedAustin 11:cada08fc8a70 408 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
mbedAustin 11:cada08fc8a70 409 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
mbedAustin 11:cada08fc8a70 410 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
mbedAustin 11:cada08fc8a70 411
mbedAustin 11:cada08fc8a70 412 /*
mbedAustin 11:cada08fc8a70 413 * SHA-512 test vectors
mbedAustin 11:cada08fc8a70 414 */
mbedAustin 11:cada08fc8a70 415 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
mbedAustin 11:cada08fc8a70 416 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
mbedAustin 11:cada08fc8a70 417 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
mbedAustin 11:cada08fc8a70 418 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
mbedAustin 11:cada08fc8a70 419 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
mbedAustin 11:cada08fc8a70 420 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
mbedAustin 11:cada08fc8a70 421 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
mbedAustin 11:cada08fc8a70 422 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
mbedAustin 11:cada08fc8a70 423 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
mbedAustin 11:cada08fc8a70 424 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
mbedAustin 11:cada08fc8a70 425 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
mbedAustin 11:cada08fc8a70 426 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
mbedAustin 11:cada08fc8a70 427 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
mbedAustin 11:cada08fc8a70 428 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
mbedAustin 11:cada08fc8a70 429 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
mbedAustin 11:cada08fc8a70 430 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
mbedAustin 11:cada08fc8a70 431 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
mbedAustin 11:cada08fc8a70 432 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
mbedAustin 11:cada08fc8a70 433 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
mbedAustin 11:cada08fc8a70 434 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
mbedAustin 11:cada08fc8a70 435 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
mbedAustin 11:cada08fc8a70 436 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
mbedAustin 11:cada08fc8a70 437 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
mbedAustin 11:cada08fc8a70 438 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
mbedAustin 11:cada08fc8a70 439 };
mbedAustin 11:cada08fc8a70 440
mbedAustin 11:cada08fc8a70 441 /*
mbedAustin 11:cada08fc8a70 442 * Checkup routine
mbedAustin 11:cada08fc8a70 443 */
mbedAustin 11:cada08fc8a70 444 int mbedtls_sha512_self_test( int verbose )
mbedAustin 11:cada08fc8a70 445 {
mbedAustin 11:cada08fc8a70 446 int i, j, k, buflen, ret = 0;
mbedAustin 11:cada08fc8a70 447 unsigned char buf[1024];
mbedAustin 11:cada08fc8a70 448 unsigned char sha512sum[64];
mbedAustin 11:cada08fc8a70 449 mbedtls_sha512_context ctx;
mbedAustin 11:cada08fc8a70 450
mbedAustin 11:cada08fc8a70 451 mbedtls_sha512_init( &ctx );
mbedAustin 11:cada08fc8a70 452
mbedAustin 11:cada08fc8a70 453 for( i = 0; i < 6; i++ )
mbedAustin 11:cada08fc8a70 454 {
mbedAustin 11:cada08fc8a70 455 j = i % 3;
mbedAustin 11:cada08fc8a70 456 k = i < 3;
mbedAustin 11:cada08fc8a70 457
mbedAustin 11:cada08fc8a70 458 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 459 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
mbedAustin 11:cada08fc8a70 460
mbedAustin 11:cada08fc8a70 461 mbedtls_sha512_starts( &ctx, k );
mbedAustin 11:cada08fc8a70 462
mbedAustin 11:cada08fc8a70 463 if( j == 2 )
mbedAustin 11:cada08fc8a70 464 {
mbedAustin 11:cada08fc8a70 465 memset( buf, 'a', buflen = 1000 );
mbedAustin 11:cada08fc8a70 466
mbedAustin 11:cada08fc8a70 467 for( j = 0; j < 1000; j++ )
mbedAustin 11:cada08fc8a70 468 mbedtls_sha512_update( &ctx, buf, buflen );
mbedAustin 11:cada08fc8a70 469 }
mbedAustin 11:cada08fc8a70 470 else
mbedAustin 11:cada08fc8a70 471 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
mbedAustin 11:cada08fc8a70 472 sha512_test_buflen[j] );
mbedAustin 11:cada08fc8a70 473
mbedAustin 11:cada08fc8a70 474 mbedtls_sha512_finish( &ctx, sha512sum );
mbedAustin 11:cada08fc8a70 475
mbedAustin 11:cada08fc8a70 476 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
mbedAustin 11:cada08fc8a70 477 {
mbedAustin 11:cada08fc8a70 478 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 479 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 480
mbedAustin 11:cada08fc8a70 481 ret = 1;
mbedAustin 11:cada08fc8a70 482 goto exit;
mbedAustin 11:cada08fc8a70 483 }
mbedAustin 11:cada08fc8a70 484
mbedAustin 11:cada08fc8a70 485 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 486 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 487 }
mbedAustin 11:cada08fc8a70 488
mbedAustin 11:cada08fc8a70 489 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 490 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 491
mbedAustin 11:cada08fc8a70 492 exit:
mbedAustin 11:cada08fc8a70 493 mbedtls_sha512_free( &ctx );
mbedAustin 11:cada08fc8a70 494
mbedAustin 11:cada08fc8a70 495 return( ret );
mbedAustin 11:cada08fc8a70 496 }
mbedAustin 11:cada08fc8a70 497
mbedAustin 11:cada08fc8a70 498 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 499
mbedAustin 11:cada08fc8a70 500 #endif /* MBEDTLS_SHA512_C */