Kev Mann / mbed-dev-OS5_10_4

RTC auf true

features/mbedtls/src/sha512.c@0:38ceb79fef03, 2018-11-28 (annotated)

Committer:
kevman
Date:
Wed Nov 28 15:10:15 2018 +0000
Revision:
0:38ceb79fef03
RTC modified

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /*
kevman 0:38ceb79fef03 2 * FIPS-180-2 compliant SHA-384/512 implementation
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
kevman 0:38ceb79fef03 5 * SPDX-License-Identifier: Apache-2.0
kevman 0:38ceb79fef03 6 *
kevman 0:38ceb79fef03 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
kevman 0:38ceb79fef03 8 * not use this file except in compliance with the License.
kevman 0:38ceb79fef03 9 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 10 *
kevman 0:38ceb79fef03 11 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 12 *
kevman 0:38ceb79fef03 13 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
kevman 0:38ceb79fef03 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 16 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 17 * limitations under the License.
kevman 0:38ceb79fef03 18 *
kevman 0:38ceb79fef03 19 * This file is part of mbed TLS (https://tls.mbed.org)
kevman 0:38ceb79fef03 20 */
kevman 0:38ceb79fef03 21 /*
kevman 0:38ceb79fef03 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
kevman 0:38ceb79fef03 23 *
kevman 0:38ceb79fef03 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
kevman 0:38ceb79fef03 25 */
kevman 0:38ceb79fef03 26
kevman 0:38ceb79fef03 27 #if !defined(MBEDTLS_CONFIG_FILE)
kevman 0:38ceb79fef03 28 #include "mbedtls/config.h"
kevman 0:38ceb79fef03 29 #else
kevman 0:38ceb79fef03 30 #include MBEDTLS_CONFIG_FILE
kevman 0:38ceb79fef03 31 #endif
kevman 0:38ceb79fef03 32
kevman 0:38ceb79fef03 33 #if defined(MBEDTLS_SHA512_C)
kevman 0:38ceb79fef03 34
kevman 0:38ceb79fef03 35 #include "mbedtls/sha512.h"
kevman 0:38ceb79fef03 36 #include "mbedtls/platform_util.h"
kevman 0:38ceb79fef03 37
kevman 0:38ceb79fef03 38 #if defined(_MSC_VER) || defined(__WATCOMC__)
kevman 0:38ceb79fef03 39 #define UL64(x) x##ui64
kevman 0:38ceb79fef03 40 #else
kevman 0:38ceb79fef03 41 #define UL64(x) x##ULL
kevman 0:38ceb79fef03 42 #endif
kevman 0:38ceb79fef03 43
kevman 0:38ceb79fef03 44 #include <string.h>
kevman 0:38ceb79fef03 45
kevman 0:38ceb79fef03 46 #if defined(MBEDTLS_SELF_TEST)
kevman 0:38ceb79fef03 47 #if defined(MBEDTLS_PLATFORM_C)
kevman 0:38ceb79fef03 48 #include "mbedtls/platform.h"
kevman 0:38ceb79fef03 49 #else
kevman 0:38ceb79fef03 50 #include <stdio.h>
kevman 0:38ceb79fef03 51 #include <stdlib.h>
kevman 0:38ceb79fef03 52 #define mbedtls_printf printf
kevman 0:38ceb79fef03 53 #define mbedtls_calloc calloc
kevman 0:38ceb79fef03 54 #define mbedtls_free free
kevman 0:38ceb79fef03 55 #endif /* MBEDTLS_PLATFORM_C */
kevman 0:38ceb79fef03 56 #endif /* MBEDTLS_SELF_TEST */
kevman 0:38ceb79fef03 57
kevman 0:38ceb79fef03 58 #if !defined(MBEDTLS_SHA512_ALT)
kevman 0:38ceb79fef03 59
kevman 0:38ceb79fef03 60 /*
kevman 0:38ceb79fef03 61 * 64-bit integer manipulation macros (big endian)
kevman 0:38ceb79fef03 62 */
kevman 0:38ceb79fef03 63 #ifndef GET_UINT64_BE
kevman 0:38ceb79fef03 64 #define GET_UINT64_BE(n,b,i) \
kevman 0:38ceb79fef03 65 { \
kevman 0:38ceb79fef03 66 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
kevman 0:38ceb79fef03 67 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
kevman 0:38ceb79fef03 68 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
kevman 0:38ceb79fef03 69 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
kevman 0:38ceb79fef03 70 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
kevman 0:38ceb79fef03 71 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
kevman 0:38ceb79fef03 72 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
kevman 0:38ceb79fef03 73 | ( (uint64_t) (b)[(i) + 7] ); \
kevman 0:38ceb79fef03 74 }
kevman 0:38ceb79fef03 75 #endif /* GET_UINT64_BE */
kevman 0:38ceb79fef03 76
kevman 0:38ceb79fef03 77 #ifndef PUT_UINT64_BE
kevman 0:38ceb79fef03 78 #define PUT_UINT64_BE(n,b,i) \
kevman 0:38ceb79fef03 79 { \
kevman 0:38ceb79fef03 80 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
kevman 0:38ceb79fef03 81 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
kevman 0:38ceb79fef03 82 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
kevman 0:38ceb79fef03 83 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
kevman 0:38ceb79fef03 84 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
kevman 0:38ceb79fef03 85 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
kevman 0:38ceb79fef03 86 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
kevman 0:38ceb79fef03 87 (b)[(i) + 7] = (unsigned char) ( (n) ); \
kevman 0:38ceb79fef03 88 }
kevman 0:38ceb79fef03 89 #endif /* PUT_UINT64_BE */
kevman 0:38ceb79fef03 90
kevman 0:38ceb79fef03 91 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
kevman 0:38ceb79fef03 92 {
kevman 0:38ceb79fef03 93 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
kevman 0:38ceb79fef03 94 }
kevman 0:38ceb79fef03 95
kevman 0:38ceb79fef03 96 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
kevman 0:38ceb79fef03 97 {
kevman 0:38ceb79fef03 98 if( ctx == NULL )
kevman 0:38ceb79fef03 99 return;
kevman 0:38ceb79fef03 100
kevman 0:38ceb79fef03 101 mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
kevman 0:38ceb79fef03 102 }
kevman 0:38ceb79fef03 103
kevman 0:38ceb79fef03 104 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
kevman 0:38ceb79fef03 105 const mbedtls_sha512_context *src )
kevman 0:38ceb79fef03 106 {
kevman 0:38ceb79fef03 107 *dst = *src;
kevman 0:38ceb79fef03 108 }
kevman 0:38ceb79fef03 109
kevman 0:38ceb79fef03 110 /*
kevman 0:38ceb79fef03 111 * SHA-512 context setup
kevman 0:38ceb79fef03 112 */
kevman 0:38ceb79fef03 113 int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
kevman 0:38ceb79fef03 114 {
kevman 0:38ceb79fef03 115 ctx->total[0] = 0;
kevman 0:38ceb79fef03 116 ctx->total[1] = 0;
kevman 0:38ceb79fef03 117
kevman 0:38ceb79fef03 118 if( is384 == 0 )
kevman 0:38ceb79fef03 119 {
kevman 0:38ceb79fef03 120 /* SHA-512 */
kevman 0:38ceb79fef03 121 ctx->state[0] = UL64(0x6A09E667F3BCC908);
kevman 0:38ceb79fef03 122 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
kevman 0:38ceb79fef03 123 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
kevman 0:38ceb79fef03 124 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
kevman 0:38ceb79fef03 125 ctx->state[4] = UL64(0x510E527FADE682D1);
kevman 0:38ceb79fef03 126 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
kevman 0:38ceb79fef03 127 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
kevman 0:38ceb79fef03 128 ctx->state[7] = UL64(0x5BE0CD19137E2179);
kevman 0:38ceb79fef03 129 }
kevman 0:38ceb79fef03 130 else
kevman 0:38ceb79fef03 131 {
kevman 0:38ceb79fef03 132 /* SHA-384 */
kevman 0:38ceb79fef03 133 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
kevman 0:38ceb79fef03 134 ctx->state[1] = UL64(0x629A292A367CD507);
kevman 0:38ceb79fef03 135 ctx->state[2] = UL64(0x9159015A3070DD17);
kevman 0:38ceb79fef03 136 ctx->state[3] = UL64(0x152FECD8F70E5939);
kevman 0:38ceb79fef03 137 ctx->state[4] = UL64(0x67332667FFC00B31);
kevman 0:38ceb79fef03 138 ctx->state[5] = UL64(0x8EB44A8768581511);
kevman 0:38ceb79fef03 139 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
kevman 0:38ceb79fef03 140 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
kevman 0:38ceb79fef03 141 }
kevman 0:38ceb79fef03 142
kevman 0:38ceb79fef03 143 ctx->is384 = is384;
kevman 0:38ceb79fef03 144
kevman 0:38ceb79fef03 145 return( 0 );
kevman 0:38ceb79fef03 146 }
kevman 0:38ceb79fef03 147
kevman 0:38ceb79fef03 148 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 149 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 150 int is384 )
kevman 0:38ceb79fef03 151 {
kevman 0:38ceb79fef03 152 mbedtls_sha512_starts_ret( ctx, is384 );
kevman 0:38ceb79fef03 153 }
kevman 0:38ceb79fef03 154 #endif
kevman 0:38ceb79fef03 155
kevman 0:38ceb79fef03 156 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
kevman 0:38ceb79fef03 157
kevman 0:38ceb79fef03 158 /*
kevman 0:38ceb79fef03 159 * Round constants
kevman 0:38ceb79fef03 160 */
kevman 0:38ceb79fef03 161 static const uint64_t K[80] =
kevman 0:38ceb79fef03 162 {
kevman 0:38ceb79fef03 163 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
kevman 0:38ceb79fef03 164 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
kevman 0:38ceb79fef03 165 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
kevman 0:38ceb79fef03 166 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
kevman 0:38ceb79fef03 167 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
kevman 0:38ceb79fef03 168 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
kevman 0:38ceb79fef03 169 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
kevman 0:38ceb79fef03 170 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
kevman 0:38ceb79fef03 171 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
kevman 0:38ceb79fef03 172 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
kevman 0:38ceb79fef03 173 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
kevman 0:38ceb79fef03 174 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
kevman 0:38ceb79fef03 175 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
kevman 0:38ceb79fef03 176 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
kevman 0:38ceb79fef03 177 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
kevman 0:38ceb79fef03 178 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
kevman 0:38ceb79fef03 179 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
kevman 0:38ceb79fef03 180 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
kevman 0:38ceb79fef03 181 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
kevman 0:38ceb79fef03 182 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
kevman 0:38ceb79fef03 183 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
kevman 0:38ceb79fef03 184 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
kevman 0:38ceb79fef03 185 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
kevman 0:38ceb79fef03 186 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
kevman 0:38ceb79fef03 187 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
kevman 0:38ceb79fef03 188 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
kevman 0:38ceb79fef03 189 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
kevman 0:38ceb79fef03 190 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
kevman 0:38ceb79fef03 191 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
kevman 0:38ceb79fef03 192 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
kevman 0:38ceb79fef03 193 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
kevman 0:38ceb79fef03 194 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
kevman 0:38ceb79fef03 195 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
kevman 0:38ceb79fef03 196 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
kevman 0:38ceb79fef03 197 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
kevman 0:38ceb79fef03 198 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
kevman 0:38ceb79fef03 199 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
kevman 0:38ceb79fef03 200 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
kevman 0:38ceb79fef03 201 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
kevman 0:38ceb79fef03 202 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
kevman 0:38ceb79fef03 203 };
kevman 0:38ceb79fef03 204
kevman 0:38ceb79fef03 205 int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 206 const unsigned char data[128] )
kevman 0:38ceb79fef03 207 {
kevman 0:38ceb79fef03 208 int i;
kevman 0:38ceb79fef03 209 uint64_t temp1, temp2, W[80];
kevman 0:38ceb79fef03 210 uint64_t A, B, C, D, E, F, G, H;
kevman 0:38ceb79fef03 211
kevman 0:38ceb79fef03 212 #define SHR(x,n) (x >> n)
kevman 0:38ceb79fef03 213 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
kevman 0:38ceb79fef03 214
kevman 0:38ceb79fef03 215 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
kevman 0:38ceb79fef03 216 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
kevman 0:38ceb79fef03 217
kevman 0:38ceb79fef03 218 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
kevman 0:38ceb79fef03 219 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
kevman 0:38ceb79fef03 220
kevman 0:38ceb79fef03 221 #define F0(x,y,z) ((x & y) | (z & (x | y)))
kevman 0:38ceb79fef03 222 #define F1(x,y,z) (z ^ (x & (y ^ z)))
kevman 0:38ceb79fef03 223
kevman 0:38ceb79fef03 224 #define P(a,b,c,d,e,f,g,h,x,K) \
kevman 0:38ceb79fef03 225 { \
kevman 0:38ceb79fef03 226 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
kevman 0:38ceb79fef03 227 temp2 = S2(a) + F0(a,b,c); \
kevman 0:38ceb79fef03 228 d += temp1; h = temp1 + temp2; \
kevman 0:38ceb79fef03 229 }
kevman 0:38ceb79fef03 230
kevman 0:38ceb79fef03 231 for( i = 0; i < 16; i++ )
kevman 0:38ceb79fef03 232 {
kevman 0:38ceb79fef03 233 GET_UINT64_BE( W[i], data, i << 3 );
kevman 0:38ceb79fef03 234 }
kevman 0:38ceb79fef03 235
kevman 0:38ceb79fef03 236 for( ; i < 80; i++ )
kevman 0:38ceb79fef03 237 {
kevman 0:38ceb79fef03 238 W[i] = S1(W[i - 2]) + W[i - 7] +
kevman 0:38ceb79fef03 239 S0(W[i - 15]) + W[i - 16];
kevman 0:38ceb79fef03 240 }
kevman 0:38ceb79fef03 241
kevman 0:38ceb79fef03 242 A = ctx->state[0];
kevman 0:38ceb79fef03 243 B = ctx->state[1];
kevman 0:38ceb79fef03 244 C = ctx->state[2];
kevman 0:38ceb79fef03 245 D = ctx->state[3];
kevman 0:38ceb79fef03 246 E = ctx->state[4];
kevman 0:38ceb79fef03 247 F = ctx->state[5];
kevman 0:38ceb79fef03 248 G = ctx->state[6];
kevman 0:38ceb79fef03 249 H = ctx->state[7];
kevman 0:38ceb79fef03 250 i = 0;
kevman 0:38ceb79fef03 251
kevman 0:38ceb79fef03 252 do
kevman 0:38ceb79fef03 253 {
kevman 0:38ceb79fef03 254 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 255 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 256 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 257 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 258 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 259 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 260 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 261 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
kevman 0:38ceb79fef03 262 }
kevman 0:38ceb79fef03 263 while( i < 80 );
kevman 0:38ceb79fef03 264
kevman 0:38ceb79fef03 265 ctx->state[0] += A;
kevman 0:38ceb79fef03 266 ctx->state[1] += B;
kevman 0:38ceb79fef03 267 ctx->state[2] += C;
kevman 0:38ceb79fef03 268 ctx->state[3] += D;
kevman 0:38ceb79fef03 269 ctx->state[4] += E;
kevman 0:38ceb79fef03 270 ctx->state[5] += F;
kevman 0:38ceb79fef03 271 ctx->state[6] += G;
kevman 0:38ceb79fef03 272 ctx->state[7] += H;
kevman 0:38ceb79fef03 273
kevman 0:38ceb79fef03 274 return( 0 );
kevman 0:38ceb79fef03 275 }
kevman 0:38ceb79fef03 276
kevman 0:38ceb79fef03 277 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 278 void mbedtls_sha512_process( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 279 const unsigned char data[128] )
kevman 0:38ceb79fef03 280 {
kevman 0:38ceb79fef03 281 mbedtls_internal_sha512_process( ctx, data );
kevman 0:38ceb79fef03 282 }
kevman 0:38ceb79fef03 283 #endif
kevman 0:38ceb79fef03 284 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
kevman 0:38ceb79fef03 285
kevman 0:38ceb79fef03 286 /*
kevman 0:38ceb79fef03 287 * SHA-512 process buffer
kevman 0:38ceb79fef03 288 */
kevman 0:38ceb79fef03 289 int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 290 const unsigned char *input,
kevman 0:38ceb79fef03 291 size_t ilen )
kevman 0:38ceb79fef03 292 {
kevman 0:38ceb79fef03 293 int ret;
kevman 0:38ceb79fef03 294 size_t fill;
kevman 0:38ceb79fef03 295 unsigned int left;
kevman 0:38ceb79fef03 296
kevman 0:38ceb79fef03 297 if( ilen == 0 )
kevman 0:38ceb79fef03 298 return( 0 );
kevman 0:38ceb79fef03 299
kevman 0:38ceb79fef03 300 left = (unsigned int) (ctx->total[0] & 0x7F);
kevman 0:38ceb79fef03 301 fill = 128 - left;
kevman 0:38ceb79fef03 302
kevman 0:38ceb79fef03 303 ctx->total[0] += (uint64_t) ilen;
kevman 0:38ceb79fef03 304
kevman 0:38ceb79fef03 305 if( ctx->total[0] < (uint64_t) ilen )
kevman 0:38ceb79fef03 306 ctx->total[1]++;
kevman 0:38ceb79fef03 307
kevman 0:38ceb79fef03 308 if( left && ilen >= fill )
kevman 0:38ceb79fef03 309 {
kevman 0:38ceb79fef03 310 memcpy( (void *) (ctx->buffer + left), input, fill );
kevman 0:38ceb79fef03 311
kevman 0:38ceb79fef03 312 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
kevman 0:38ceb79fef03 313 return( ret );
kevman 0:38ceb79fef03 314
kevman 0:38ceb79fef03 315 input += fill;
kevman 0:38ceb79fef03 316 ilen -= fill;
kevman 0:38ceb79fef03 317 left = 0;
kevman 0:38ceb79fef03 318 }
kevman 0:38ceb79fef03 319
kevman 0:38ceb79fef03 320 while( ilen >= 128 )
kevman 0:38ceb79fef03 321 {
kevman 0:38ceb79fef03 322 if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 )
kevman 0:38ceb79fef03 323 return( ret );
kevman 0:38ceb79fef03 324
kevman 0:38ceb79fef03 325 input += 128;
kevman 0:38ceb79fef03 326 ilen -= 128;
kevman 0:38ceb79fef03 327 }
kevman 0:38ceb79fef03 328
kevman 0:38ceb79fef03 329 if( ilen > 0 )
kevman 0:38ceb79fef03 330 memcpy( (void *) (ctx->buffer + left), input, ilen );
kevman 0:38ceb79fef03 331
kevman 0:38ceb79fef03 332 return( 0 );
kevman 0:38ceb79fef03 333 }
kevman 0:38ceb79fef03 334
kevman 0:38ceb79fef03 335 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 336 void mbedtls_sha512_update( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 337 const unsigned char *input,
kevman 0:38ceb79fef03 338 size_t ilen )
kevman 0:38ceb79fef03 339 {
kevman 0:38ceb79fef03 340 mbedtls_sha512_update_ret( ctx, input, ilen );
kevman 0:38ceb79fef03 341 }
kevman 0:38ceb79fef03 342 #endif
kevman 0:38ceb79fef03 343
kevman 0:38ceb79fef03 344 /*
kevman 0:38ceb79fef03 345 * SHA-512 final digest
kevman 0:38ceb79fef03 346 */
kevman 0:38ceb79fef03 347 int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 348 unsigned char output[64] )
kevman 0:38ceb79fef03 349 {
kevman 0:38ceb79fef03 350 int ret;
kevman 0:38ceb79fef03 351 unsigned used;
kevman 0:38ceb79fef03 352 uint64_t high, low;
kevman 0:38ceb79fef03 353
kevman 0:38ceb79fef03 354 /*
kevman 0:38ceb79fef03 355 * Add padding: 0x80 then 0x00 until 16 bytes remain for the length
kevman 0:38ceb79fef03 356 */
kevman 0:38ceb79fef03 357 used = ctx->total[0] & 0x7F;
kevman 0:38ceb79fef03 358
kevman 0:38ceb79fef03 359 ctx->buffer[used++] = 0x80;
kevman 0:38ceb79fef03 360
kevman 0:38ceb79fef03 361 if( used <= 112 )
kevman 0:38ceb79fef03 362 {
kevman 0:38ceb79fef03 363 /* Enough room for padding + length in current block */
kevman 0:38ceb79fef03 364 memset( ctx->buffer + used, 0, 112 - used );
kevman 0:38ceb79fef03 365 }
kevman 0:38ceb79fef03 366 else
kevman 0:38ceb79fef03 367 {
kevman 0:38ceb79fef03 368 /* We'll need an extra block */
kevman 0:38ceb79fef03 369 memset( ctx->buffer + used, 0, 128 - used );
kevman 0:38ceb79fef03 370
kevman 0:38ceb79fef03 371 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
kevman 0:38ceb79fef03 372 return( ret );
kevman 0:38ceb79fef03 373
kevman 0:38ceb79fef03 374 memset( ctx->buffer, 0, 112 );
kevman 0:38ceb79fef03 375 }
kevman 0:38ceb79fef03 376
kevman 0:38ceb79fef03 377 /*
kevman 0:38ceb79fef03 378 * Add message length
kevman 0:38ceb79fef03 379 */
kevman 0:38ceb79fef03 380 high = ( ctx->total[0] >> 61 )
kevman 0:38ceb79fef03 381 | ( ctx->total[1] << 3 );
kevman 0:38ceb79fef03 382 low = ( ctx->total[0] << 3 );
kevman 0:38ceb79fef03 383
kevman 0:38ceb79fef03 384 PUT_UINT64_BE( high, ctx->buffer, 112 );
kevman 0:38ceb79fef03 385 PUT_UINT64_BE( low, ctx->buffer, 120 );
kevman 0:38ceb79fef03 386
kevman 0:38ceb79fef03 387 if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
kevman 0:38ceb79fef03 388 return( ret );
kevman 0:38ceb79fef03 389
kevman 0:38ceb79fef03 390 /*
kevman 0:38ceb79fef03 391 * Output final state
kevman 0:38ceb79fef03 392 */
kevman 0:38ceb79fef03 393 PUT_UINT64_BE( ctx->state[0], output, 0 );
kevman 0:38ceb79fef03 394 PUT_UINT64_BE( ctx->state[1], output, 8 );
kevman 0:38ceb79fef03 395 PUT_UINT64_BE( ctx->state[2], output, 16 );
kevman 0:38ceb79fef03 396 PUT_UINT64_BE( ctx->state[3], output, 24 );
kevman 0:38ceb79fef03 397 PUT_UINT64_BE( ctx->state[4], output, 32 );
kevman 0:38ceb79fef03 398 PUT_UINT64_BE( ctx->state[5], output, 40 );
kevman 0:38ceb79fef03 399
kevman 0:38ceb79fef03 400 if( ctx->is384 == 0 )
kevman 0:38ceb79fef03 401 {
kevman 0:38ceb79fef03 402 PUT_UINT64_BE( ctx->state[6], output, 48 );
kevman 0:38ceb79fef03 403 PUT_UINT64_BE( ctx->state[7], output, 56 );
kevman 0:38ceb79fef03 404 }
kevman 0:38ceb79fef03 405
kevman 0:38ceb79fef03 406 return( 0 );
kevman 0:38ceb79fef03 407 }
kevman 0:38ceb79fef03 408
kevman 0:38ceb79fef03 409 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 410 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx,
kevman 0:38ceb79fef03 411 unsigned char output[64] )
kevman 0:38ceb79fef03 412 {
kevman 0:38ceb79fef03 413 mbedtls_sha512_finish_ret( ctx, output );
kevman 0:38ceb79fef03 414 }
kevman 0:38ceb79fef03 415 #endif
kevman 0:38ceb79fef03 416
kevman 0:38ceb79fef03 417 #endif /* !MBEDTLS_SHA512_ALT */
kevman 0:38ceb79fef03 418
kevman 0:38ceb79fef03 419 /*
kevman 0:38ceb79fef03 420 * output = SHA-512( input buffer )
kevman 0:38ceb79fef03 421 */
kevman 0:38ceb79fef03 422 int mbedtls_sha512_ret( const unsigned char *input,
kevman 0:38ceb79fef03 423 size_t ilen,
kevman 0:38ceb79fef03 424 unsigned char output[64],
kevman 0:38ceb79fef03 425 int is384 )
kevman 0:38ceb79fef03 426 {
kevman 0:38ceb79fef03 427 int ret;
kevman 0:38ceb79fef03 428 mbedtls_sha512_context ctx;
kevman 0:38ceb79fef03 429
kevman 0:38ceb79fef03 430 mbedtls_sha512_init( &ctx );
kevman 0:38ceb79fef03 431
kevman 0:38ceb79fef03 432 if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 )
kevman 0:38ceb79fef03 433 goto exit;
kevman 0:38ceb79fef03 434
kevman 0:38ceb79fef03 435 if( ( ret = mbedtls_sha512_update_ret( &ctx, input, ilen ) ) != 0 )
kevman 0:38ceb79fef03 436 goto exit;
kevman 0:38ceb79fef03 437
kevman 0:38ceb79fef03 438 if( ( ret = mbedtls_sha512_finish_ret( &ctx, output ) ) != 0 )
kevman 0:38ceb79fef03 439 goto exit;
kevman 0:38ceb79fef03 440
kevman 0:38ceb79fef03 441 exit:
kevman 0:38ceb79fef03 442 mbedtls_sha512_free( &ctx );
kevman 0:38ceb79fef03 443
kevman 0:38ceb79fef03 444 return( ret );
kevman 0:38ceb79fef03 445 }
kevman 0:38ceb79fef03 446
kevman 0:38ceb79fef03 447 #if !defined(MBEDTLS_DEPRECATED_REMOVED)
kevman 0:38ceb79fef03 448 void mbedtls_sha512( const unsigned char *input,
kevman 0:38ceb79fef03 449 size_t ilen,
kevman 0:38ceb79fef03 450 unsigned char output[64],
kevman 0:38ceb79fef03 451 int is384 )
kevman 0:38ceb79fef03 452 {
kevman 0:38ceb79fef03 453 mbedtls_sha512_ret( input, ilen, output, is384 );
kevman 0:38ceb79fef03 454 }
kevman 0:38ceb79fef03 455 #endif
kevman 0:38ceb79fef03 456
kevman 0:38ceb79fef03 457 #if defined(MBEDTLS_SELF_TEST)
kevman 0:38ceb79fef03 458
kevman 0:38ceb79fef03 459 /*
kevman 0:38ceb79fef03 460 * FIPS-180-2 test vectors
kevman 0:38ceb79fef03 461 */
kevman 0:38ceb79fef03 462 static const unsigned char sha512_test_buf[3][113] =
kevman 0:38ceb79fef03 463 {
kevman 0:38ceb79fef03 464 { "abc" },
kevman 0:38ceb79fef03 465 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
kevman 0:38ceb79fef03 466 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
kevman 0:38ceb79fef03 467 { "" }
kevman 0:38ceb79fef03 468 };
kevman 0:38ceb79fef03 469
kevman 0:38ceb79fef03 470 static const size_t sha512_test_buflen[3] =
kevman 0:38ceb79fef03 471 {
kevman 0:38ceb79fef03 472 3, 112, 1000
kevman 0:38ceb79fef03 473 };
kevman 0:38ceb79fef03 474
kevman 0:38ceb79fef03 475 static const unsigned char sha512_test_sum[6][64] =
kevman 0:38ceb79fef03 476 {
kevman 0:38ceb79fef03 477 /*
kevman 0:38ceb79fef03 478 * SHA-384 test vectors
kevman 0:38ceb79fef03 479 */
kevman 0:38ceb79fef03 480 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
kevman 0:38ceb79fef03 481 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
kevman 0:38ceb79fef03 482 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
kevman 0:38ceb79fef03 483 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
kevman 0:38ceb79fef03 484 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
kevman 0:38ceb79fef03 485 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
kevman 0:38ceb79fef03 486 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
kevman 0:38ceb79fef03 487 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
kevman 0:38ceb79fef03 488 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
kevman 0:38ceb79fef03 489 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
kevman 0:38ceb79fef03 490 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
kevman 0:38ceb79fef03 491 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
kevman 0:38ceb79fef03 492 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
kevman 0:38ceb79fef03 493 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
kevman 0:38ceb79fef03 494 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
kevman 0:38ceb79fef03 495 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
kevman 0:38ceb79fef03 496 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
kevman 0:38ceb79fef03 497 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
kevman 0:38ceb79fef03 498
kevman 0:38ceb79fef03 499 /*
kevman 0:38ceb79fef03 500 * SHA-512 test vectors
kevman 0:38ceb79fef03 501 */
kevman 0:38ceb79fef03 502 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
kevman 0:38ceb79fef03 503 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
kevman 0:38ceb79fef03 504 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
kevman 0:38ceb79fef03 505 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
kevman 0:38ceb79fef03 506 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
kevman 0:38ceb79fef03 507 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
kevman 0:38ceb79fef03 508 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
kevman 0:38ceb79fef03 509 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
kevman 0:38ceb79fef03 510 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
kevman 0:38ceb79fef03 511 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
kevman 0:38ceb79fef03 512 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
kevman 0:38ceb79fef03 513 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
kevman 0:38ceb79fef03 514 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
kevman 0:38ceb79fef03 515 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
kevman 0:38ceb79fef03 516 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
kevman 0:38ceb79fef03 517 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
kevman 0:38ceb79fef03 518 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
kevman 0:38ceb79fef03 519 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
kevman 0:38ceb79fef03 520 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
kevman 0:38ceb79fef03 521 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
kevman 0:38ceb79fef03 522 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
kevman 0:38ceb79fef03 523 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
kevman 0:38ceb79fef03 524 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
kevman 0:38ceb79fef03 525 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
kevman 0:38ceb79fef03 526 };
kevman 0:38ceb79fef03 527
kevman 0:38ceb79fef03 528 /*
kevman 0:38ceb79fef03 529 * Checkup routine
kevman 0:38ceb79fef03 530 */
kevman 0:38ceb79fef03 531 int mbedtls_sha512_self_test( int verbose )
kevman 0:38ceb79fef03 532 {
kevman 0:38ceb79fef03 533 int i, j, k, buflen, ret = 0;
kevman 0:38ceb79fef03 534 unsigned char *buf;
kevman 0:38ceb79fef03 535 unsigned char sha512sum[64];
kevman 0:38ceb79fef03 536 mbedtls_sha512_context ctx;
kevman 0:38ceb79fef03 537
kevman 0:38ceb79fef03 538 buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
kevman 0:38ceb79fef03 539 if( NULL == buf )
kevman 0:38ceb79fef03 540 {
kevman 0:38ceb79fef03 541 if( verbose != 0 )
kevman 0:38ceb79fef03 542 mbedtls_printf( "Buffer allocation failed\n" );
kevman 0:38ceb79fef03 543
kevman 0:38ceb79fef03 544 return( 1 );
kevman 0:38ceb79fef03 545 }
kevman 0:38ceb79fef03 546
kevman 0:38ceb79fef03 547 mbedtls_sha512_init( &ctx );
kevman 0:38ceb79fef03 548
kevman 0:38ceb79fef03 549 for( i = 0; i < 6; i++ )
kevman 0:38ceb79fef03 550 {
kevman 0:38ceb79fef03 551 j = i % 3;
kevman 0:38ceb79fef03 552 k = i < 3;
kevman 0:38ceb79fef03 553
kevman 0:38ceb79fef03 554 if( verbose != 0 )
kevman 0:38ceb79fef03 555 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
kevman 0:38ceb79fef03 556
kevman 0:38ceb79fef03 557 if( ( ret = mbedtls_sha512_starts_ret( &ctx, k ) ) != 0 )
kevman 0:38ceb79fef03 558 goto fail;
kevman 0:38ceb79fef03 559
kevman 0:38ceb79fef03 560 if( j == 2 )
kevman 0:38ceb79fef03 561 {
kevman 0:38ceb79fef03 562 memset( buf, 'a', buflen = 1000 );
kevman 0:38ceb79fef03 563
kevman 0:38ceb79fef03 564 for( j = 0; j < 1000; j++ )
kevman 0:38ceb79fef03 565 {
kevman 0:38ceb79fef03 566 ret = mbedtls_sha512_update_ret( &ctx, buf, buflen );
kevman 0:38ceb79fef03 567 if( ret != 0 )
kevman 0:38ceb79fef03 568 goto fail;
kevman 0:38ceb79fef03 569 }
kevman 0:38ceb79fef03 570 }
kevman 0:38ceb79fef03 571 else
kevman 0:38ceb79fef03 572 {
kevman 0:38ceb79fef03 573 ret = mbedtls_sha512_update_ret( &ctx, sha512_test_buf[j],
kevman 0:38ceb79fef03 574 sha512_test_buflen[j] );
kevman 0:38ceb79fef03 575 if( ret != 0 )
kevman 0:38ceb79fef03 576 goto fail;
kevman 0:38ceb79fef03 577 }
kevman 0:38ceb79fef03 578
kevman 0:38ceb79fef03 579 if( ( ret = mbedtls_sha512_finish_ret( &ctx, sha512sum ) ) != 0 )
kevman 0:38ceb79fef03 580 goto fail;
kevman 0:38ceb79fef03 581
kevman 0:38ceb79fef03 582 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
kevman 0:38ceb79fef03 583 {
kevman 0:38ceb79fef03 584 ret = 1;
kevman 0:38ceb79fef03 585 goto fail;
kevman 0:38ceb79fef03 586 }
kevman 0:38ceb79fef03 587
kevman 0:38ceb79fef03 588 if( verbose != 0 )
kevman 0:38ceb79fef03 589 mbedtls_printf( "passed\n" );
kevman 0:38ceb79fef03 590 }
kevman 0:38ceb79fef03 591
kevman 0:38ceb79fef03 592 if( verbose != 0 )
kevman 0:38ceb79fef03 593 mbedtls_printf( "\n" );
kevman 0:38ceb79fef03 594
kevman 0:38ceb79fef03 595 goto exit;
kevman 0:38ceb79fef03 596
kevman 0:38ceb79fef03 597 fail:
kevman 0:38ceb79fef03 598 if( verbose != 0 )
kevman 0:38ceb79fef03 599 mbedtls_printf( "failed\n" );
kevman 0:38ceb79fef03 600
kevman 0:38ceb79fef03 601 exit:
kevman 0:38ceb79fef03 602 mbedtls_sha512_free( &ctx );
kevman 0:38ceb79fef03 603 mbedtls_free( buf );
kevman 0:38ceb79fef03 604
kevman 0:38ceb79fef03 605 return( ret );
kevman 0:38ceb79fef03 606 }
kevman 0:38ceb79fef03 607
kevman 0:38ceb79fef03 608 #endif /* MBEDTLS_SELF_TEST */
kevman 0:38ceb79fef03 609
kevman 0:38ceb79fef03 610 #endif /* MBEDTLS_SHA512_C */