Mark Radbourne / mbedtls

mbed TLS Build

Dependents:   Encrypt_Decrypt1 mbed_blink_tls encrypt encrypt

library/sha512.c@0:cdf462088d13, 2017-01-05 (annotated)

Committer:
markrad
Date:
Thu Jan 05 00:18:44 2017 +0000
Revision:
0:cdf462088d13
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
markrad 0:cdf462088d13 1 /*
markrad 0:cdf462088d13 2 * FIPS-180-2 compliant SHA-384/512 implementation
markrad 0:cdf462088d13 3 *
markrad 0:cdf462088d13 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
markrad 0:cdf462088d13 5 * SPDX-License-Identifier: Apache-2.0
markrad 0:cdf462088d13 6 *
markrad 0:cdf462088d13 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
markrad 0:cdf462088d13 8 * not use this file except in compliance with the License.
markrad 0:cdf462088d13 9 * You may obtain a copy of the License at
markrad 0:cdf462088d13 10 *
markrad 0:cdf462088d13 11 * http://www.apache.org/licenses/LICENSE-2.0
markrad 0:cdf462088d13 12 *
markrad 0:cdf462088d13 13 * Unless required by applicable law or agreed to in writing, software
markrad 0:cdf462088d13 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
markrad 0:cdf462088d13 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
markrad 0:cdf462088d13 16 * See the License for the specific language governing permissions and
markrad 0:cdf462088d13 17 * limitations under the License.
markrad 0:cdf462088d13 18 *
markrad 0:cdf462088d13 19 * This file is part of mbed TLS (https://tls.mbed.org)
markrad 0:cdf462088d13 20 */
markrad 0:cdf462088d13 21 /*
markrad 0:cdf462088d13 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
markrad 0:cdf462088d13 23 *
markrad 0:cdf462088d13 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
markrad 0:cdf462088d13 25 */
markrad 0:cdf462088d13 26
markrad 0:cdf462088d13 27 #if !defined(MBEDTLS_CONFIG_FILE)
markrad 0:cdf462088d13 28 #include "mbedtls/config.h"
markrad 0:cdf462088d13 29 #else
markrad 0:cdf462088d13 30 #include MBEDTLS_CONFIG_FILE
markrad 0:cdf462088d13 31 #endif
markrad 0:cdf462088d13 32
markrad 0:cdf462088d13 33 #if defined(MBEDTLS_SHA512_C)
markrad 0:cdf462088d13 34
markrad 0:cdf462088d13 35 #include "mbedtls/sha512.h"
markrad 0:cdf462088d13 36
markrad 0:cdf462088d13 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
markrad 0:cdf462088d13 38 #define UL64(x) x##ui64
markrad 0:cdf462088d13 39 #else
markrad 0:cdf462088d13 40 #define UL64(x) x##ULL
markrad 0:cdf462088d13 41 #endif
markrad 0:cdf462088d13 42
markrad 0:cdf462088d13 43 #include <string.h>
markrad 0:cdf462088d13 44
markrad 0:cdf462088d13 45 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 46 #if defined(MBEDTLS_PLATFORM_C)
markrad 0:cdf462088d13 47 #include "mbedtls/platform.h"
markrad 0:cdf462088d13 48 #else
markrad 0:cdf462088d13 49 #include <stdio.h>
markrad 0:cdf462088d13 50 #include <stdlib.h>
markrad 0:cdf462088d13 51 #define mbedtls_printf printf
markrad 0:cdf462088d13 52 #define mbedtls_calloc calloc
markrad 0:cdf462088d13 53 #define mbedtls_free free
markrad 0:cdf462088d13 54 #endif /* MBEDTLS_PLATFORM_C */
markrad 0:cdf462088d13 55 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 56
markrad 0:cdf462088d13 57 #if !defined(MBEDTLS_SHA512_ALT)
markrad 0:cdf462088d13 58
markrad 0:cdf462088d13 59 /* Implementation that should never be optimized out by the compiler */
markrad 0:cdf462088d13 60 static void mbedtls_zeroize( void *v, size_t n ) {
markrad 0:cdf462088d13 61 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
markrad 0:cdf462088d13 62 }
markrad 0:cdf462088d13 63
markrad 0:cdf462088d13 64 /*
markrad 0:cdf462088d13 65 * 64-bit integer manipulation macros (big endian)
markrad 0:cdf462088d13 66 */
markrad 0:cdf462088d13 67 #ifndef GET_UINT64_BE
markrad 0:cdf462088d13 68 #define GET_UINT64_BE(n,b,i) \
markrad 0:cdf462088d13 69 { \
markrad 0:cdf462088d13 70 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
markrad 0:cdf462088d13 71 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
markrad 0:cdf462088d13 72 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
markrad 0:cdf462088d13 73 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
markrad 0:cdf462088d13 74 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
markrad 0:cdf462088d13 75 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
markrad 0:cdf462088d13 76 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
markrad 0:cdf462088d13 77 | ( (uint64_t) (b)[(i) + 7] ); \
markrad 0:cdf462088d13 78 }
markrad 0:cdf462088d13 79 #endif /* GET_UINT64_BE */
markrad 0:cdf462088d13 80
markrad 0:cdf462088d13 81 #ifndef PUT_UINT64_BE
markrad 0:cdf462088d13 82 #define PUT_UINT64_BE(n,b,i) \
markrad 0:cdf462088d13 83 { \
markrad 0:cdf462088d13 84 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
markrad 0:cdf462088d13 85 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
markrad 0:cdf462088d13 86 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
markrad 0:cdf462088d13 87 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
markrad 0:cdf462088d13 88 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
markrad 0:cdf462088d13 89 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
markrad 0:cdf462088d13 90 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
markrad 0:cdf462088d13 91 (b)[(i) + 7] = (unsigned char) ( (n) ); \
markrad 0:cdf462088d13 92 }
markrad 0:cdf462088d13 93 #endif /* PUT_UINT64_BE */
markrad 0:cdf462088d13 94
markrad 0:cdf462088d13 95 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
markrad 0:cdf462088d13 96 {
markrad 0:cdf462088d13 97 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
markrad 0:cdf462088d13 98 }
markrad 0:cdf462088d13 99
markrad 0:cdf462088d13 100 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
markrad 0:cdf462088d13 101 {
markrad 0:cdf462088d13 102 if( ctx == NULL )
markrad 0:cdf462088d13 103 return;
markrad 0:cdf462088d13 104
markrad 0:cdf462088d13 105 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
markrad 0:cdf462088d13 106 }
markrad 0:cdf462088d13 107
markrad 0:cdf462088d13 108 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
markrad 0:cdf462088d13 109 const mbedtls_sha512_context *src )
markrad 0:cdf462088d13 110 {
markrad 0:cdf462088d13 111 *dst = *src;
markrad 0:cdf462088d13 112 }
markrad 0:cdf462088d13 113
markrad 0:cdf462088d13 114 /*
markrad 0:cdf462088d13 115 * SHA-512 context setup
markrad 0:cdf462088d13 116 */
markrad 0:cdf462088d13 117 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
markrad 0:cdf462088d13 118 {
markrad 0:cdf462088d13 119 ctx->total[0] = 0;
markrad 0:cdf462088d13 120 ctx->total[1] = 0;
markrad 0:cdf462088d13 121
markrad 0:cdf462088d13 122 if( is384 == 0 )
markrad 0:cdf462088d13 123 {
markrad 0:cdf462088d13 124 /* SHA-512 */
markrad 0:cdf462088d13 125 ctx->state[0] = UL64(0x6A09E667F3BCC908);
markrad 0:cdf462088d13 126 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
markrad 0:cdf462088d13 127 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
markrad 0:cdf462088d13 128 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
markrad 0:cdf462088d13 129 ctx->state[4] = UL64(0x510E527FADE682D1);
markrad 0:cdf462088d13 130 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
markrad 0:cdf462088d13 131 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
markrad 0:cdf462088d13 132 ctx->state[7] = UL64(0x5BE0CD19137E2179);
markrad 0:cdf462088d13 133 }
markrad 0:cdf462088d13 134 else
markrad 0:cdf462088d13 135 {
markrad 0:cdf462088d13 136 /* SHA-384 */
markrad 0:cdf462088d13 137 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
markrad 0:cdf462088d13 138 ctx->state[1] = UL64(0x629A292A367CD507);
markrad 0:cdf462088d13 139 ctx->state[2] = UL64(0x9159015A3070DD17);
markrad 0:cdf462088d13 140 ctx->state[3] = UL64(0x152FECD8F70E5939);
markrad 0:cdf462088d13 141 ctx->state[4] = UL64(0x67332667FFC00B31);
markrad 0:cdf462088d13 142 ctx->state[5] = UL64(0x8EB44A8768581511);
markrad 0:cdf462088d13 143 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
markrad 0:cdf462088d13 144 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
markrad 0:cdf462088d13 145 }
markrad 0:cdf462088d13 146
markrad 0:cdf462088d13 147 ctx->is384 = is384;
markrad 0:cdf462088d13 148 }
markrad 0:cdf462088d13 149
markrad 0:cdf462088d13 150 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
markrad 0:cdf462088d13 151
markrad 0:cdf462088d13 152 /*
markrad 0:cdf462088d13 153 * Round constants
markrad 0:cdf462088d13 154 */
markrad 0:cdf462088d13 155 static const uint64_t K[80] =
markrad 0:cdf462088d13 156 {
markrad 0:cdf462088d13 157 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
markrad 0:cdf462088d13 158 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
markrad 0:cdf462088d13 159 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
markrad 0:cdf462088d13 160 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
markrad 0:cdf462088d13 161 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
markrad 0:cdf462088d13 162 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
markrad 0:cdf462088d13 163 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
markrad 0:cdf462088d13 164 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
markrad 0:cdf462088d13 165 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
markrad 0:cdf462088d13 166 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
markrad 0:cdf462088d13 167 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
markrad 0:cdf462088d13 168 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
markrad 0:cdf462088d13 169 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
markrad 0:cdf462088d13 170 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
markrad 0:cdf462088d13 171 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
markrad 0:cdf462088d13 172 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
markrad 0:cdf462088d13 173 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
markrad 0:cdf462088d13 174 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
markrad 0:cdf462088d13 175 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
markrad 0:cdf462088d13 176 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
markrad 0:cdf462088d13 177 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
markrad 0:cdf462088d13 178 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
markrad 0:cdf462088d13 179 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
markrad 0:cdf462088d13 180 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
markrad 0:cdf462088d13 181 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
markrad 0:cdf462088d13 182 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
markrad 0:cdf462088d13 183 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
markrad 0:cdf462088d13 184 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
markrad 0:cdf462088d13 185 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
markrad 0:cdf462088d13 186 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
markrad 0:cdf462088d13 187 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
markrad 0:cdf462088d13 188 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
markrad 0:cdf462088d13 189 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
markrad 0:cdf462088d13 190 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
markrad 0:cdf462088d13 191 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
markrad 0:cdf462088d13 192 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
markrad 0:cdf462088d13 193 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
markrad 0:cdf462088d13 194 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
markrad 0:cdf462088d13 195 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
markrad 0:cdf462088d13 196 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
markrad 0:cdf462088d13 197 };
markrad 0:cdf462088d13 198
markrad 0:cdf462088d13 199 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
markrad 0:cdf462088d13 200 {
markrad 0:cdf462088d13 201 int i;
markrad 0:cdf462088d13 202 uint64_t temp1, temp2, W[80];
markrad 0:cdf462088d13 203 uint64_t A, B, C, D, E, F, G, H;
markrad 0:cdf462088d13 204
markrad 0:cdf462088d13 205 #define SHR(x,n) (x >> n)
markrad 0:cdf462088d13 206 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
markrad 0:cdf462088d13 207
markrad 0:cdf462088d13 208 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
markrad 0:cdf462088d13 209 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
markrad 0:cdf462088d13 210
markrad 0:cdf462088d13 211 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
markrad 0:cdf462088d13 212 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
markrad 0:cdf462088d13 213
markrad 0:cdf462088d13 214 #define F0(x,y,z) ((x & y) | (z & (x | y)))
markrad 0:cdf462088d13 215 #define F1(x,y,z) (z ^ (x & (y ^ z)))
markrad 0:cdf462088d13 216
markrad 0:cdf462088d13 217 #define P(a,b,c,d,e,f,g,h,x,K) \
markrad 0:cdf462088d13 218 { \
markrad 0:cdf462088d13 219 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
markrad 0:cdf462088d13 220 temp2 = S2(a) + F0(a,b,c); \
markrad 0:cdf462088d13 221 d += temp1; h = temp1 + temp2; \
markrad 0:cdf462088d13 222 }
markrad 0:cdf462088d13 223
markrad 0:cdf462088d13 224 for( i = 0; i < 16; i++ )
markrad 0:cdf462088d13 225 {
markrad 0:cdf462088d13 226 GET_UINT64_BE( W[i], data, i << 3 );
markrad 0:cdf462088d13 227 }
markrad 0:cdf462088d13 228
markrad 0:cdf462088d13 229 for( ; i < 80; i++ )
markrad 0:cdf462088d13 230 {
markrad 0:cdf462088d13 231 W[i] = S1(W[i - 2]) + W[i - 7] +
markrad 0:cdf462088d13 232 S0(W[i - 15]) + W[i - 16];
markrad 0:cdf462088d13 233 }
markrad 0:cdf462088d13 234
markrad 0:cdf462088d13 235 A = ctx->state[0];
markrad 0:cdf462088d13 236 B = ctx->state[1];
markrad 0:cdf462088d13 237 C = ctx->state[2];
markrad 0:cdf462088d13 238 D = ctx->state[3];
markrad 0:cdf462088d13 239 E = ctx->state[4];
markrad 0:cdf462088d13 240 F = ctx->state[5];
markrad 0:cdf462088d13 241 G = ctx->state[6];
markrad 0:cdf462088d13 242 H = ctx->state[7];
markrad 0:cdf462088d13 243 i = 0;
markrad 0:cdf462088d13 244
markrad 0:cdf462088d13 245 do
markrad 0:cdf462088d13 246 {
markrad 0:cdf462088d13 247 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
markrad 0:cdf462088d13 248 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
markrad 0:cdf462088d13 249 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
markrad 0:cdf462088d13 250 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
markrad 0:cdf462088d13 251 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
markrad 0:cdf462088d13 252 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
markrad 0:cdf462088d13 253 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
markrad 0:cdf462088d13 254 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
markrad 0:cdf462088d13 255 }
markrad 0:cdf462088d13 256 while( i < 80 );
markrad 0:cdf462088d13 257
markrad 0:cdf462088d13 258 ctx->state[0] += A;
markrad 0:cdf462088d13 259 ctx->state[1] += B;
markrad 0:cdf462088d13 260 ctx->state[2] += C;
markrad 0:cdf462088d13 261 ctx->state[3] += D;
markrad 0:cdf462088d13 262 ctx->state[4] += E;
markrad 0:cdf462088d13 263 ctx->state[5] += F;
markrad 0:cdf462088d13 264 ctx->state[6] += G;
markrad 0:cdf462088d13 265 ctx->state[7] += H;
markrad 0:cdf462088d13 266 }
markrad 0:cdf462088d13 267 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
markrad 0:cdf462088d13 268
markrad 0:cdf462088d13 269 /*
markrad 0:cdf462088d13 270 * SHA-512 process buffer
markrad 0:cdf462088d13 271 */
markrad 0:cdf462088d13 272 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
markrad 0:cdf462088d13 273 size_t ilen )
markrad 0:cdf462088d13 274 {
markrad 0:cdf462088d13 275 size_t fill;
markrad 0:cdf462088d13 276 unsigned int left;
markrad 0:cdf462088d13 277
markrad 0:cdf462088d13 278 if( ilen == 0 )
markrad 0:cdf462088d13 279 return;
markrad 0:cdf462088d13 280
markrad 0:cdf462088d13 281 left = (unsigned int) (ctx->total[0] & 0x7F);
markrad 0:cdf462088d13 282 fill = 128 - left;
markrad 0:cdf462088d13 283
markrad 0:cdf462088d13 284 ctx->total[0] += (uint64_t) ilen;
markrad 0:cdf462088d13 285
markrad 0:cdf462088d13 286 if( ctx->total[0] < (uint64_t) ilen )
markrad 0:cdf462088d13 287 ctx->total[1]++;
markrad 0:cdf462088d13 288
markrad 0:cdf462088d13 289 if( left && ilen >= fill )
markrad 0:cdf462088d13 290 {
markrad 0:cdf462088d13 291 memcpy( (void *) (ctx->buffer + left), input, fill );
markrad 0:cdf462088d13 292 mbedtls_sha512_process( ctx, ctx->buffer );
markrad 0:cdf462088d13 293 input += fill;
markrad 0:cdf462088d13 294 ilen -= fill;
markrad 0:cdf462088d13 295 left = 0;
markrad 0:cdf462088d13 296 }
markrad 0:cdf462088d13 297
markrad 0:cdf462088d13 298 while( ilen >= 128 )
markrad 0:cdf462088d13 299 {
markrad 0:cdf462088d13 300 mbedtls_sha512_process( ctx, input );
markrad 0:cdf462088d13 301 input += 128;
markrad 0:cdf462088d13 302 ilen -= 128;
markrad 0:cdf462088d13 303 }
markrad 0:cdf462088d13 304
markrad 0:cdf462088d13 305 if( ilen > 0 )
markrad 0:cdf462088d13 306 memcpy( (void *) (ctx->buffer + left), input, ilen );
markrad 0:cdf462088d13 307 }
markrad 0:cdf462088d13 308
markrad 0:cdf462088d13 309 static const unsigned char sha512_padding[128] =
markrad 0:cdf462088d13 310 {
markrad 0:cdf462088d13 311 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 316 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 317 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
markrad 0:cdf462088d13 318 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
markrad 0:cdf462088d13 319 };
markrad 0:cdf462088d13 320
markrad 0:cdf462088d13 321 /*
markrad 0:cdf462088d13 322 * SHA-512 final digest
markrad 0:cdf462088d13 323 */
markrad 0:cdf462088d13 324 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
markrad 0:cdf462088d13 325 {
markrad 0:cdf462088d13 326 size_t last, padn;
markrad 0:cdf462088d13 327 uint64_t high, low;
markrad 0:cdf462088d13 328 unsigned char msglen[16];
markrad 0:cdf462088d13 329
markrad 0:cdf462088d13 330 high = ( ctx->total[0] >> 61 )
markrad 0:cdf462088d13 331 | ( ctx->total[1] << 3 );
markrad 0:cdf462088d13 332 low = ( ctx->total[0] << 3 );
markrad 0:cdf462088d13 333
markrad 0:cdf462088d13 334 PUT_UINT64_BE( high, msglen, 0 );
markrad 0:cdf462088d13 335 PUT_UINT64_BE( low, msglen, 8 );
markrad 0:cdf462088d13 336
markrad 0:cdf462088d13 337 last = (size_t)( ctx->total[0] & 0x7F );
markrad 0:cdf462088d13 338 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
markrad 0:cdf462088d13 339
markrad 0:cdf462088d13 340 mbedtls_sha512_update( ctx, sha512_padding, padn );
markrad 0:cdf462088d13 341 mbedtls_sha512_update( ctx, msglen, 16 );
markrad 0:cdf462088d13 342
markrad 0:cdf462088d13 343 PUT_UINT64_BE( ctx->state[0], output, 0 );
markrad 0:cdf462088d13 344 PUT_UINT64_BE( ctx->state[1], output, 8 );
markrad 0:cdf462088d13 345 PUT_UINT64_BE( ctx->state[2], output, 16 );
markrad 0:cdf462088d13 346 PUT_UINT64_BE( ctx->state[3], output, 24 );
markrad 0:cdf462088d13 347 PUT_UINT64_BE( ctx->state[4], output, 32 );
markrad 0:cdf462088d13 348 PUT_UINT64_BE( ctx->state[5], output, 40 );
markrad 0:cdf462088d13 349
markrad 0:cdf462088d13 350 if( ctx->is384 == 0 )
markrad 0:cdf462088d13 351 {
markrad 0:cdf462088d13 352 PUT_UINT64_BE( ctx->state[6], output, 48 );
markrad 0:cdf462088d13 353 PUT_UINT64_BE( ctx->state[7], output, 56 );
markrad 0:cdf462088d13 354 }
markrad 0:cdf462088d13 355 }
markrad 0:cdf462088d13 356
markrad 0:cdf462088d13 357 #endif /* !MBEDTLS_SHA512_ALT */
markrad 0:cdf462088d13 358
markrad 0:cdf462088d13 359 /*
markrad 0:cdf462088d13 360 * output = SHA-512( input buffer )
markrad 0:cdf462088d13 361 */
markrad 0:cdf462088d13 362 void mbedtls_sha512( const unsigned char *input, size_t ilen,
markrad 0:cdf462088d13 363 unsigned char output[64], int is384 )
markrad 0:cdf462088d13 364 {
markrad 0:cdf462088d13 365 mbedtls_sha512_context ctx;
markrad 0:cdf462088d13 366
markrad 0:cdf462088d13 367 mbedtls_sha512_init( &ctx );
markrad 0:cdf462088d13 368 mbedtls_sha512_starts( &ctx, is384 );
markrad 0:cdf462088d13 369 mbedtls_sha512_update( &ctx, input, ilen );
markrad 0:cdf462088d13 370 mbedtls_sha512_finish( &ctx, output );
markrad 0:cdf462088d13 371 mbedtls_sha512_free( &ctx );
markrad 0:cdf462088d13 372 }
markrad 0:cdf462088d13 373
markrad 0:cdf462088d13 374 #if defined(MBEDTLS_SELF_TEST)
markrad 0:cdf462088d13 375
markrad 0:cdf462088d13 376 /*
markrad 0:cdf462088d13 377 * FIPS-180-2 test vectors
markrad 0:cdf462088d13 378 */
markrad 0:cdf462088d13 379 static const unsigned char sha512_test_buf[3][113] =
markrad 0:cdf462088d13 380 {
markrad 0:cdf462088d13 381 { "abc" },
markrad 0:cdf462088d13 382 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
markrad 0:cdf462088d13 383 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
markrad 0:cdf462088d13 384 { "" }
markrad 0:cdf462088d13 385 };
markrad 0:cdf462088d13 386
markrad 0:cdf462088d13 387 static const int sha512_test_buflen[3] =
markrad 0:cdf462088d13 388 {
markrad 0:cdf462088d13 389 3, 112, 1000
markrad 0:cdf462088d13 390 };
markrad 0:cdf462088d13 391
markrad 0:cdf462088d13 392 static const unsigned char sha512_test_sum[6][64] =
markrad 0:cdf462088d13 393 {
markrad 0:cdf462088d13 394 /*
markrad 0:cdf462088d13 395 * SHA-384 test vectors
markrad 0:cdf462088d13 396 */
markrad 0:cdf462088d13 397 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
markrad 0:cdf462088d13 398 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
markrad 0:cdf462088d13 399 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
markrad 0:cdf462088d13 400 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
markrad 0:cdf462088d13 401 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
markrad 0:cdf462088d13 402 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
markrad 0:cdf462088d13 403 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
markrad 0:cdf462088d13 404 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
markrad 0:cdf462088d13 405 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
markrad 0:cdf462088d13 406 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
markrad 0:cdf462088d13 407 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
markrad 0:cdf462088d13 408 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
markrad 0:cdf462088d13 409 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
markrad 0:cdf462088d13 410 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
markrad 0:cdf462088d13 411 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
markrad 0:cdf462088d13 412 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
markrad 0:cdf462088d13 413 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
markrad 0:cdf462088d13 414 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
markrad 0:cdf462088d13 415
markrad 0:cdf462088d13 416 /*
markrad 0:cdf462088d13 417 * SHA-512 test vectors
markrad 0:cdf462088d13 418 */
markrad 0:cdf462088d13 419 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
markrad 0:cdf462088d13 420 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
markrad 0:cdf462088d13 421 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
markrad 0:cdf462088d13 422 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
markrad 0:cdf462088d13 423 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
markrad 0:cdf462088d13 424 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
markrad 0:cdf462088d13 425 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
markrad 0:cdf462088d13 426 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
markrad 0:cdf462088d13 427 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
markrad 0:cdf462088d13 428 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
markrad 0:cdf462088d13 429 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
markrad 0:cdf462088d13 430 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
markrad 0:cdf462088d13 431 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
markrad 0:cdf462088d13 432 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
markrad 0:cdf462088d13 433 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
markrad 0:cdf462088d13 434 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
markrad 0:cdf462088d13 435 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
markrad 0:cdf462088d13 436 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
markrad 0:cdf462088d13 437 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
markrad 0:cdf462088d13 438 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
markrad 0:cdf462088d13 439 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
markrad 0:cdf462088d13 440 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
markrad 0:cdf462088d13 441 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
markrad 0:cdf462088d13 442 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
markrad 0:cdf462088d13 443 };
markrad 0:cdf462088d13 444
markrad 0:cdf462088d13 445 /*
markrad 0:cdf462088d13 446 * Checkup routine
markrad 0:cdf462088d13 447 */
markrad 0:cdf462088d13 448 int mbedtls_sha512_self_test( int verbose )
markrad 0:cdf462088d13 449 {
markrad 0:cdf462088d13 450 int i, j, k, buflen, ret = 0;
markrad 0:cdf462088d13 451 unsigned char *buf;
markrad 0:cdf462088d13 452 unsigned char sha512sum[64];
markrad 0:cdf462088d13 453 mbedtls_sha512_context ctx;
markrad 0:cdf462088d13 454
markrad 0:cdf462088d13 455 buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
markrad 0:cdf462088d13 456 if( NULL == buf )
markrad 0:cdf462088d13 457 {
markrad 0:cdf462088d13 458 if( verbose != 0 )
markrad 0:cdf462088d13 459 mbedtls_printf( "Buffer allocation failed\n" );
markrad 0:cdf462088d13 460
markrad 0:cdf462088d13 461 return( 1 );
markrad 0:cdf462088d13 462 }
markrad 0:cdf462088d13 463
markrad 0:cdf462088d13 464 mbedtls_sha512_init( &ctx );
markrad 0:cdf462088d13 465
markrad 0:cdf462088d13 466 for( i = 0; i < 6; i++ )
markrad 0:cdf462088d13 467 {
markrad 0:cdf462088d13 468 j = i % 3;
markrad 0:cdf462088d13 469 k = i < 3;
markrad 0:cdf462088d13 470
markrad 0:cdf462088d13 471 if( verbose != 0 )
markrad 0:cdf462088d13 472 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
markrad 0:cdf462088d13 473
markrad 0:cdf462088d13 474 mbedtls_sha512_starts( &ctx, k );
markrad 0:cdf462088d13 475
markrad 0:cdf462088d13 476 if( j == 2 )
markrad 0:cdf462088d13 477 {
markrad 0:cdf462088d13 478 memset( buf, 'a', buflen = 1000 );
markrad 0:cdf462088d13 479
markrad 0:cdf462088d13 480 for( j = 0; j < 1000; j++ )
markrad 0:cdf462088d13 481 mbedtls_sha512_update( &ctx, buf, buflen );
markrad 0:cdf462088d13 482 }
markrad 0:cdf462088d13 483 else
markrad 0:cdf462088d13 484 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
markrad 0:cdf462088d13 485 sha512_test_buflen[j] );
markrad 0:cdf462088d13 486
markrad 0:cdf462088d13 487 mbedtls_sha512_finish( &ctx, sha512sum );
markrad 0:cdf462088d13 488
markrad 0:cdf462088d13 489 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
markrad 0:cdf462088d13 490 {
markrad 0:cdf462088d13 491 if( verbose != 0 )
markrad 0:cdf462088d13 492 mbedtls_printf( "failed\n" );
markrad 0:cdf462088d13 493
markrad 0:cdf462088d13 494 ret = 1;
markrad 0:cdf462088d13 495 goto exit;
markrad 0:cdf462088d13 496 }
markrad 0:cdf462088d13 497
markrad 0:cdf462088d13 498 if( verbose != 0 )
markrad 0:cdf462088d13 499 mbedtls_printf( "passed\n" );
markrad 0:cdf462088d13 500 }
markrad 0:cdf462088d13 501
markrad 0:cdf462088d13 502 if( verbose != 0 )
markrad 0:cdf462088d13 503 mbedtls_printf( "\n" );
markrad 0:cdf462088d13 504
markrad 0:cdf462088d13 505 exit:
markrad 0:cdf462088d13 506 mbedtls_sha512_free( &ctx );
markrad 0:cdf462088d13 507 mbedtls_free( buf );
markrad 0:cdf462088d13 508
markrad 0:cdf462088d13 509 return( ret );
markrad 0:cdf462088d13 510 }
markrad 0:cdf462088d13 511
markrad 0:cdf462088d13 512 #endif /* MBEDTLS_SELF_TEST */
markrad 0:cdf462088d13 513
markrad 0:cdf462088d13 514 #endif /* MBEDTLS_SHA512_C */