erkin yucel / mbed-os

mbed os with nrf51 internal bandgap enabled to read battery level

Dependents:   BLE_file_test BLE_Blink ExternalEncoder

features/mbedtls/src/sha512.c@0:f269e3021894, 2016-10-23 (annotated)

Committer:
elessair
Date:
Sun Oct 23 15:10:02 2016 +0000
Revision:
0:f269e3021894
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elessair 0:f269e3021894 1 /*
elessair 0:f269e3021894 2 * FIPS-180-2 compliant SHA-384/512 implementation
elessair 0:f269e3021894 3 *
elessair 0:f269e3021894 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
elessair 0:f269e3021894 5 * SPDX-License-Identifier: Apache-2.0
elessair 0:f269e3021894 6 *
elessair 0:f269e3021894 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
elessair 0:f269e3021894 8 * not use this file except in compliance with the License.
elessair 0:f269e3021894 9 * You may obtain a copy of the License at
elessair 0:f269e3021894 10 *
elessair 0:f269e3021894 11 * http://www.apache.org/licenses/LICENSE-2.0
elessair 0:f269e3021894 12 *
elessair 0:f269e3021894 13 * Unless required by applicable law or agreed to in writing, software
elessair 0:f269e3021894 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
elessair 0:f269e3021894 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elessair 0:f269e3021894 16 * See the License for the specific language governing permissions and
elessair 0:f269e3021894 17 * limitations under the License.
elessair 0:f269e3021894 18 *
elessair 0:f269e3021894 19 * This file is part of mbed TLS (https://tls.mbed.org)
elessair 0:f269e3021894 20 */
elessair 0:f269e3021894 21 /*
elessair 0:f269e3021894 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
elessair 0:f269e3021894 23 *
elessair 0:f269e3021894 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
elessair 0:f269e3021894 25 */
elessair 0:f269e3021894 26
elessair 0:f269e3021894 27 #if !defined(MBEDTLS_CONFIG_FILE)
elessair 0:f269e3021894 28 #include "mbedtls/config.h"
elessair 0:f269e3021894 29 #else
elessair 0:f269e3021894 30 #include MBEDTLS_CONFIG_FILE
elessair 0:f269e3021894 31 #endif
elessair 0:f269e3021894 32
elessair 0:f269e3021894 33 #if defined(MBEDTLS_SHA512_C)
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 #include "mbedtls/sha512.h"
elessair 0:f269e3021894 36
elessair 0:f269e3021894 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
elessair 0:f269e3021894 38 #define UL64(x) x##ui64
elessair 0:f269e3021894 39 #else
elessair 0:f269e3021894 40 #define UL64(x) x##ULL
elessair 0:f269e3021894 41 #endif
elessair 0:f269e3021894 42
elessair 0:f269e3021894 43 #include <string.h>
elessair 0:f269e3021894 44
elessair 0:f269e3021894 45 #if defined(MBEDTLS_SELF_TEST)
elessair 0:f269e3021894 46 #if defined(MBEDTLS_PLATFORM_C)
elessair 0:f269e3021894 47 #include "mbedtls/platform.h"
elessair 0:f269e3021894 48 #else
elessair 0:f269e3021894 49 #include <stdio.h>
elessair 0:f269e3021894 50 #include <stdlib.h>
elessair 0:f269e3021894 51 #define mbedtls_printf printf
elessair 0:f269e3021894 52 #define mbedtls_calloc calloc
elessair 0:f269e3021894 53 #define mbedtls_free free
elessair 0:f269e3021894 54 #endif /* MBEDTLS_PLATFORM_C */
elessair 0:f269e3021894 55 #endif /* MBEDTLS_SELF_TEST */
elessair 0:f269e3021894 56
elessair 0:f269e3021894 57 #if !defined(MBEDTLS_SHA512_ALT)
elessair 0:f269e3021894 58
elessair 0:f269e3021894 59 /* Implementation that should never be optimized out by the compiler */
elessair 0:f269e3021894 60 static void mbedtls_zeroize( void *v, size_t n ) {
elessair 0:f269e3021894 61 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
elessair 0:f269e3021894 62 }
elessair 0:f269e3021894 63
elessair 0:f269e3021894 64 /*
elessair 0:f269e3021894 65 * 64-bit integer manipulation macros (big endian)
elessair 0:f269e3021894 66 */
elessair 0:f269e3021894 67 #ifndef GET_UINT64_BE
elessair 0:f269e3021894 68 #define GET_UINT64_BE(n,b,i) \
elessair 0:f269e3021894 69 { \
elessair 0:f269e3021894 70 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
elessair 0:f269e3021894 71 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
elessair 0:f269e3021894 72 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
elessair 0:f269e3021894 73 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
elessair 0:f269e3021894 74 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
elessair 0:f269e3021894 75 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
elessair 0:f269e3021894 76 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
elessair 0:f269e3021894 77 | ( (uint64_t) (b)[(i) + 7] ); \
elessair 0:f269e3021894 78 }
elessair 0:f269e3021894 79 #endif /* GET_UINT64_BE */
elessair 0:f269e3021894 80
elessair 0:f269e3021894 81 #ifndef PUT_UINT64_BE
elessair 0:f269e3021894 82 #define PUT_UINT64_BE(n,b,i) \
elessair 0:f269e3021894 83 { \
elessair 0:f269e3021894 84 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
elessair 0:f269e3021894 85 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
elessair 0:f269e3021894 86 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
elessair 0:f269e3021894 87 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
elessair 0:f269e3021894 88 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
elessair 0:f269e3021894 89 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
elessair 0:f269e3021894 90 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
elessair 0:f269e3021894 91 (b)[(i) + 7] = (unsigned char) ( (n) ); \
elessair 0:f269e3021894 92 }
elessair 0:f269e3021894 93 #endif /* PUT_UINT64_BE */
elessair 0:f269e3021894 94
elessair 0:f269e3021894 95 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
elessair 0:f269e3021894 96 {
elessair 0:f269e3021894 97 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
elessair 0:f269e3021894 98 }
elessair 0:f269e3021894 99
elessair 0:f269e3021894 100 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
elessair 0:f269e3021894 101 {
elessair 0:f269e3021894 102 if( ctx == NULL )
elessair 0:f269e3021894 103 return;
elessair 0:f269e3021894 104
elessair 0:f269e3021894 105 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
elessair 0:f269e3021894 106 }
elessair 0:f269e3021894 107
elessair 0:f269e3021894 108 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
elessair 0:f269e3021894 109 const mbedtls_sha512_context *src )
elessair 0:f269e3021894 110 {
elessair 0:f269e3021894 111 *dst = *src;
elessair 0:f269e3021894 112 }
elessair 0:f269e3021894 113
elessair 0:f269e3021894 114 /*
elessair 0:f269e3021894 115 * SHA-512 context setup
elessair 0:f269e3021894 116 */
elessair 0:f269e3021894 117 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
elessair 0:f269e3021894 118 {
elessair 0:f269e3021894 119 ctx->total[0] = 0;
elessair 0:f269e3021894 120 ctx->total[1] = 0;
elessair 0:f269e3021894 121
elessair 0:f269e3021894 122 if( is384 == 0 )
elessair 0:f269e3021894 123 {
elessair 0:f269e3021894 124 /* SHA-512 */
elessair 0:f269e3021894 125 ctx->state[0] = UL64(0x6A09E667F3BCC908);
elessair 0:f269e3021894 126 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
elessair 0:f269e3021894 127 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
elessair 0:f269e3021894 128 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
elessair 0:f269e3021894 129 ctx->state[4] = UL64(0x510E527FADE682D1);
elessair 0:f269e3021894 130 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
elessair 0:f269e3021894 131 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
elessair 0:f269e3021894 132 ctx->state[7] = UL64(0x5BE0CD19137E2179);
elessair 0:f269e3021894 133 }
elessair 0:f269e3021894 134 else
elessair 0:f269e3021894 135 {
elessair 0:f269e3021894 136 /* SHA-384 */
elessair 0:f269e3021894 137 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
elessair 0:f269e3021894 138 ctx->state[1] = UL64(0x629A292A367CD507);
elessair 0:f269e3021894 139 ctx->state[2] = UL64(0x9159015A3070DD17);
elessair 0:f269e3021894 140 ctx->state[3] = UL64(0x152FECD8F70E5939);
elessair 0:f269e3021894 141 ctx->state[4] = UL64(0x67332667FFC00B31);
elessair 0:f269e3021894 142 ctx->state[5] = UL64(0x8EB44A8768581511);
elessair 0:f269e3021894 143 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
elessair 0:f269e3021894 144 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
elessair 0:f269e3021894 145 }
elessair 0:f269e3021894 146
elessair 0:f269e3021894 147 ctx->is384 = is384;
elessair 0:f269e3021894 148 }
elessair 0:f269e3021894 149
elessair 0:f269e3021894 150 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
elessair 0:f269e3021894 151
elessair 0:f269e3021894 152 /*
elessair 0:f269e3021894 153 * Round constants
elessair 0:f269e3021894 154 */
elessair 0:f269e3021894 155 static const uint64_t K[80] =
elessair 0:f269e3021894 156 {
elessair 0:f269e3021894 157 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
elessair 0:f269e3021894 158 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
elessair 0:f269e3021894 159 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
elessair 0:f269e3021894 160 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
elessair 0:f269e3021894 161 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
elessair 0:f269e3021894 162 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
elessair 0:f269e3021894 163 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
elessair 0:f269e3021894 164 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
elessair 0:f269e3021894 165 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
elessair 0:f269e3021894 166 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
elessair 0:f269e3021894 167 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
elessair 0:f269e3021894 168 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
elessair 0:f269e3021894 169 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
elessair 0:f269e3021894 170 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
elessair 0:f269e3021894 171 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
elessair 0:f269e3021894 172 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
elessair 0:f269e3021894 173 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
elessair 0:f269e3021894 174 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
elessair 0:f269e3021894 175 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
elessair 0:f269e3021894 176 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
elessair 0:f269e3021894 177 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
elessair 0:f269e3021894 178 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
elessair 0:f269e3021894 179 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
elessair 0:f269e3021894 180 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
elessair 0:f269e3021894 181 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
elessair 0:f269e3021894 182 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
elessair 0:f269e3021894 183 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
elessair 0:f269e3021894 184 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
elessair 0:f269e3021894 185 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
elessair 0:f269e3021894 186 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
elessair 0:f269e3021894 187 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
elessair 0:f269e3021894 188 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
elessair 0:f269e3021894 189 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
elessair 0:f269e3021894 190 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
elessair 0:f269e3021894 191 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
elessair 0:f269e3021894 192 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
elessair 0:f269e3021894 193 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
elessair 0:f269e3021894 194 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
elessair 0:f269e3021894 195 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
elessair 0:f269e3021894 196 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
elessair 0:f269e3021894 197 };
elessair 0:f269e3021894 198
elessair 0:f269e3021894 199 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
elessair 0:f269e3021894 200 {
elessair 0:f269e3021894 201 int i;
elessair 0:f269e3021894 202 uint64_t temp1, temp2, W[80];
elessair 0:f269e3021894 203 uint64_t A, B, C, D, E, F, G, H;
elessair 0:f269e3021894 204
elessair 0:f269e3021894 205 #define SHR(x,n) (x >> n)
elessair 0:f269e3021894 206 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
elessair 0:f269e3021894 207
elessair 0:f269e3021894 208 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
elessair 0:f269e3021894 209 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
elessair 0:f269e3021894 210
elessair 0:f269e3021894 211 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
elessair 0:f269e3021894 212 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
elessair 0:f269e3021894 213
elessair 0:f269e3021894 214 #define F0(x,y,z) ((x & y) | (z & (x | y)))
elessair 0:f269e3021894 215 #define F1(x,y,z) (z ^ (x & (y ^ z)))
elessair 0:f269e3021894 216
elessair 0:f269e3021894 217 #define P(a,b,c,d,e,f,g,h,x,K) \
elessair 0:f269e3021894 218 { \
elessair 0:f269e3021894 219 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
elessair 0:f269e3021894 220 temp2 = S2(a) + F0(a,b,c); \
elessair 0:f269e3021894 221 d += temp1; h = temp1 + temp2; \
elessair 0:f269e3021894 222 }
elessair 0:f269e3021894 223
elessair 0:f269e3021894 224 for( i = 0; i < 16; i++ )
elessair 0:f269e3021894 225 {
elessair 0:f269e3021894 226 GET_UINT64_BE( W[i], data, i << 3 );
elessair 0:f269e3021894 227 }
elessair 0:f269e3021894 228
elessair 0:f269e3021894 229 for( ; i < 80; i++ )
elessair 0:f269e3021894 230 {
elessair 0:f269e3021894 231 W[i] = S1(W[i - 2]) + W[i - 7] +
elessair 0:f269e3021894 232 S0(W[i - 15]) + W[i - 16];
elessair 0:f269e3021894 233 }
elessair 0:f269e3021894 234
elessair 0:f269e3021894 235 A = ctx->state[0];
elessair 0:f269e3021894 236 B = ctx->state[1];
elessair 0:f269e3021894 237 C = ctx->state[2];
elessair 0:f269e3021894 238 D = ctx->state[3];
elessair 0:f269e3021894 239 E = ctx->state[4];
elessair 0:f269e3021894 240 F = ctx->state[5];
elessair 0:f269e3021894 241 G = ctx->state[6];
elessair 0:f269e3021894 242 H = ctx->state[7];
elessair 0:f269e3021894 243 i = 0;
elessair 0:f269e3021894 244
elessair 0:f269e3021894 245 do
elessair 0:f269e3021894 246 {
elessair 0:f269e3021894 247 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
elessair 0:f269e3021894 248 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
elessair 0:f269e3021894 249 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
elessair 0:f269e3021894 250 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
elessair 0:f269e3021894 251 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
elessair 0:f269e3021894 252 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
elessair 0:f269e3021894 253 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
elessair 0:f269e3021894 254 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
elessair 0:f269e3021894 255 }
elessair 0:f269e3021894 256 while( i < 80 );
elessair 0:f269e3021894 257
elessair 0:f269e3021894 258 ctx->state[0] += A;
elessair 0:f269e3021894 259 ctx->state[1] += B;
elessair 0:f269e3021894 260 ctx->state[2] += C;
elessair 0:f269e3021894 261 ctx->state[3] += D;
elessair 0:f269e3021894 262 ctx->state[4] += E;
elessair 0:f269e3021894 263 ctx->state[5] += F;
elessair 0:f269e3021894 264 ctx->state[6] += G;
elessair 0:f269e3021894 265 ctx->state[7] += H;
elessair 0:f269e3021894 266 }
elessair 0:f269e3021894 267 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
elessair 0:f269e3021894 268
elessair 0:f269e3021894 269 /*
elessair 0:f269e3021894 270 * SHA-512 process buffer
elessair 0:f269e3021894 271 */
elessair 0:f269e3021894 272 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
elessair 0:f269e3021894 273 size_t ilen )
elessair 0:f269e3021894 274 {
elessair 0:f269e3021894 275 size_t fill;
elessair 0:f269e3021894 276 unsigned int left;
elessair 0:f269e3021894 277
elessair 0:f269e3021894 278 if( ilen == 0 )
elessair 0:f269e3021894 279 return;
elessair 0:f269e3021894 280
elessair 0:f269e3021894 281 left = (unsigned int) (ctx->total[0] & 0x7F);
elessair 0:f269e3021894 282 fill = 128 - left;
elessair 0:f269e3021894 283
elessair 0:f269e3021894 284 ctx->total[0] += (uint64_t) ilen;
elessair 0:f269e3021894 285
elessair 0:f269e3021894 286 if( ctx->total[0] < (uint64_t) ilen )
elessair 0:f269e3021894 287 ctx->total[1]++;
elessair 0:f269e3021894 288
elessair 0:f269e3021894 289 if( left && ilen >= fill )
elessair 0:f269e3021894 290 {
elessair 0:f269e3021894 291 memcpy( (void *) (ctx->buffer + left), input, fill );
elessair 0:f269e3021894 292 mbedtls_sha512_process( ctx, ctx->buffer );
elessair 0:f269e3021894 293 input += fill;
elessair 0:f269e3021894 294 ilen -= fill;
elessair 0:f269e3021894 295 left = 0;
elessair 0:f269e3021894 296 }
elessair 0:f269e3021894 297
elessair 0:f269e3021894 298 while( ilen >= 128 )
elessair 0:f269e3021894 299 {
elessair 0:f269e3021894 300 mbedtls_sha512_process( ctx, input );
elessair 0:f269e3021894 301 input += 128;
elessair 0:f269e3021894 302 ilen -= 128;
elessair 0:f269e3021894 303 }
elessair 0:f269e3021894 304
elessair 0:f269e3021894 305 if( ilen > 0 )
elessair 0:f269e3021894 306 memcpy( (void *) (ctx->buffer + left), input, ilen );
elessair 0:f269e3021894 307 }
elessair 0:f269e3021894 308
elessair 0:f269e3021894 309 static const unsigned char sha512_padding[128] =
elessair 0:f269e3021894 310 {
elessair 0:f269e3021894 311 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 316 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 317 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
elessair 0:f269e3021894 318 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
elessair 0:f269e3021894 319 };
elessair 0:f269e3021894 320
elessair 0:f269e3021894 321 /*
elessair 0:f269e3021894 322 * SHA-512 final digest
elessair 0:f269e3021894 323 */
elessair 0:f269e3021894 324 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
elessair 0:f269e3021894 325 {
elessair 0:f269e3021894 326 size_t last, padn;
elessair 0:f269e3021894 327 uint64_t high, low;
elessair 0:f269e3021894 328 unsigned char msglen[16];
elessair 0:f269e3021894 329
elessair 0:f269e3021894 330 high = ( ctx->total[0] >> 61 )
elessair 0:f269e3021894 331 | ( ctx->total[1] << 3 );
elessair 0:f269e3021894 332 low = ( ctx->total[0] << 3 );
elessair 0:f269e3021894 333
elessair 0:f269e3021894 334 PUT_UINT64_BE( high, msglen, 0 );
elessair 0:f269e3021894 335 PUT_UINT64_BE( low, msglen, 8 );
elessair 0:f269e3021894 336
elessair 0:f269e3021894 337 last = (size_t)( ctx->total[0] & 0x7F );
elessair 0:f269e3021894 338 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
elessair 0:f269e3021894 339
elessair 0:f269e3021894 340 mbedtls_sha512_update( ctx, sha512_padding, padn );
elessair 0:f269e3021894 341 mbedtls_sha512_update( ctx, msglen, 16 );
elessair 0:f269e3021894 342
elessair 0:f269e3021894 343 PUT_UINT64_BE( ctx->state[0], output, 0 );
elessair 0:f269e3021894 344 PUT_UINT64_BE( ctx->state[1], output, 8 );
elessair 0:f269e3021894 345 PUT_UINT64_BE( ctx->state[2], output, 16 );
elessair 0:f269e3021894 346 PUT_UINT64_BE( ctx->state[3], output, 24 );
elessair 0:f269e3021894 347 PUT_UINT64_BE( ctx->state[4], output, 32 );
elessair 0:f269e3021894 348 PUT_UINT64_BE( ctx->state[5], output, 40 );
elessair 0:f269e3021894 349
elessair 0:f269e3021894 350 if( ctx->is384 == 0 )
elessair 0:f269e3021894 351 {
elessair 0:f269e3021894 352 PUT_UINT64_BE( ctx->state[6], output, 48 );
elessair 0:f269e3021894 353 PUT_UINT64_BE( ctx->state[7], output, 56 );
elessair 0:f269e3021894 354 }
elessair 0:f269e3021894 355 }
elessair 0:f269e3021894 356
elessair 0:f269e3021894 357 #endif /* !MBEDTLS_SHA512_ALT */
elessair 0:f269e3021894 358
elessair 0:f269e3021894 359 /*
elessair 0:f269e3021894 360 * output = SHA-512( input buffer )
elessair 0:f269e3021894 361 */
elessair 0:f269e3021894 362 void mbedtls_sha512( const unsigned char *input, size_t ilen,
elessair 0:f269e3021894 363 unsigned char output[64], int is384 )
elessair 0:f269e3021894 364 {
elessair 0:f269e3021894 365 mbedtls_sha512_context ctx;
elessair 0:f269e3021894 366
elessair 0:f269e3021894 367 mbedtls_sha512_init( &ctx );
elessair 0:f269e3021894 368 mbedtls_sha512_starts( &ctx, is384 );
elessair 0:f269e3021894 369 mbedtls_sha512_update( &ctx, input, ilen );
elessair 0:f269e3021894 370 mbedtls_sha512_finish( &ctx, output );
elessair 0:f269e3021894 371 mbedtls_sha512_free( &ctx );
elessair 0:f269e3021894 372 }
elessair 0:f269e3021894 373
elessair 0:f269e3021894 374 #if defined(MBEDTLS_SELF_TEST)
elessair 0:f269e3021894 375
elessair 0:f269e3021894 376 /*
elessair 0:f269e3021894 377 * FIPS-180-2 test vectors
elessair 0:f269e3021894 378 */
elessair 0:f269e3021894 379 static const unsigned char sha512_test_buf[3][113] =
elessair 0:f269e3021894 380 {
elessair 0:f269e3021894 381 { "abc" },
elessair 0:f269e3021894 382 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
elessair 0:f269e3021894 383 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
elessair 0:f269e3021894 384 { "" }
elessair 0:f269e3021894 385 };
elessair 0:f269e3021894 386
elessair 0:f269e3021894 387 static const int sha512_test_buflen[3] =
elessair 0:f269e3021894 388 {
elessair 0:f269e3021894 389 3, 112, 1000
elessair 0:f269e3021894 390 };
elessair 0:f269e3021894 391
elessair 0:f269e3021894 392 static const unsigned char sha512_test_sum[6][64] =
elessair 0:f269e3021894 393 {
elessair 0:f269e3021894 394 /*
elessair 0:f269e3021894 395 * SHA-384 test vectors
elessair 0:f269e3021894 396 */
elessair 0:f269e3021894 397 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
elessair 0:f269e3021894 398 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
elessair 0:f269e3021894 399 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
elessair 0:f269e3021894 400 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
elessair 0:f269e3021894 401 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
elessair 0:f269e3021894 402 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
elessair 0:f269e3021894 403 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
elessair 0:f269e3021894 404 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
elessair 0:f269e3021894 405 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
elessair 0:f269e3021894 406 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
elessair 0:f269e3021894 407 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
elessair 0:f269e3021894 408 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
elessair 0:f269e3021894 409 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
elessair 0:f269e3021894 410 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
elessair 0:f269e3021894 411 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
elessair 0:f269e3021894 412 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
elessair 0:f269e3021894 413 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
elessair 0:f269e3021894 414 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
elessair 0:f269e3021894 415
elessair 0:f269e3021894 416 /*
elessair 0:f269e3021894 417 * SHA-512 test vectors
elessair 0:f269e3021894 418 */
elessair 0:f269e3021894 419 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
elessair 0:f269e3021894 420 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
elessair 0:f269e3021894 421 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
elessair 0:f269e3021894 422 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
elessair 0:f269e3021894 423 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
elessair 0:f269e3021894 424 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
elessair 0:f269e3021894 425 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
elessair 0:f269e3021894 426 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
elessair 0:f269e3021894 427 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
elessair 0:f269e3021894 428 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
elessair 0:f269e3021894 429 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
elessair 0:f269e3021894 430 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
elessair 0:f269e3021894 431 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
elessair 0:f269e3021894 432 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
elessair 0:f269e3021894 433 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
elessair 0:f269e3021894 434 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
elessair 0:f269e3021894 435 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
elessair 0:f269e3021894 436 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
elessair 0:f269e3021894 437 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
elessair 0:f269e3021894 438 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
elessair 0:f269e3021894 439 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
elessair 0:f269e3021894 440 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
elessair 0:f269e3021894 441 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
elessair 0:f269e3021894 442 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
elessair 0:f269e3021894 443 };
elessair 0:f269e3021894 444
elessair 0:f269e3021894 445 /*
elessair 0:f269e3021894 446 * Checkup routine
elessair 0:f269e3021894 447 */
elessair 0:f269e3021894 448 int mbedtls_sha512_self_test( int verbose )
elessair 0:f269e3021894 449 {
elessair 0:f269e3021894 450 int i, j, k, buflen, ret = 0;
elessair 0:f269e3021894 451 unsigned char *buf;
elessair 0:f269e3021894 452 unsigned char sha512sum[64];
elessair 0:f269e3021894 453 mbedtls_sha512_context ctx;
elessair 0:f269e3021894 454
elessair 0:f269e3021894 455 buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
elessair 0:f269e3021894 456 if( NULL == buf )
elessair 0:f269e3021894 457 {
elessair 0:f269e3021894 458 if( verbose != 0 )
elessair 0:f269e3021894 459 mbedtls_printf( "Buffer allocation failed\n" );
elessair 0:f269e3021894 460
elessair 0:f269e3021894 461 return( 1 );
elessair 0:f269e3021894 462 }
elessair 0:f269e3021894 463
elessair 0:f269e3021894 464 mbedtls_sha512_init( &ctx );
elessair 0:f269e3021894 465
elessair 0:f269e3021894 466 for( i = 0; i < 6; i++ )
elessair 0:f269e3021894 467 {
elessair 0:f269e3021894 468 j = i % 3;
elessair 0:f269e3021894 469 k = i < 3;
elessair 0:f269e3021894 470
elessair 0:f269e3021894 471 if( verbose != 0 )
elessair 0:f269e3021894 472 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
elessair 0:f269e3021894 473
elessair 0:f269e3021894 474 mbedtls_sha512_starts( &ctx, k );
elessair 0:f269e3021894 475
elessair 0:f269e3021894 476 if( j == 2 )
elessair 0:f269e3021894 477 {
elessair 0:f269e3021894 478 memset( buf, 'a', buflen = 1000 );
elessair 0:f269e3021894 479
elessair 0:f269e3021894 480 for( j = 0; j < 1000; j++ )
elessair 0:f269e3021894 481 mbedtls_sha512_update( &ctx, buf, buflen );
elessair 0:f269e3021894 482 }
elessair 0:f269e3021894 483 else
elessair 0:f269e3021894 484 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
elessair 0:f269e3021894 485 sha512_test_buflen[j] );
elessair 0:f269e3021894 486
elessair 0:f269e3021894 487 mbedtls_sha512_finish( &ctx, sha512sum );
elessair 0:f269e3021894 488
elessair 0:f269e3021894 489 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
elessair 0:f269e3021894 490 {
elessair 0:f269e3021894 491 if( verbose != 0 )
elessair 0:f269e3021894 492 mbedtls_printf( "failed\n" );
elessair 0:f269e3021894 493
elessair 0:f269e3021894 494 ret = 1;
elessair 0:f269e3021894 495 goto exit;
elessair 0:f269e3021894 496 }
elessair 0:f269e3021894 497
elessair 0:f269e3021894 498 if( verbose != 0 )
elessair 0:f269e3021894 499 mbedtls_printf( "passed\n" );
elessair 0:f269e3021894 500 }
elessair 0:f269e3021894 501
elessair 0:f269e3021894 502 if( verbose != 0 )
elessair 0:f269e3021894 503 mbedtls_printf( "\n" );
elessair 0:f269e3021894 504
elessair 0:f269e3021894 505 exit:
elessair 0:f269e3021894 506 mbedtls_sha512_free( &ctx );
elessair 0:f269e3021894 507 mbedtls_free( buf );
elessair 0:f269e3021894 508
elessair 0:f269e3021894 509 return( ret );
elessair 0:f269e3021894 510 }
elessair 0:f269e3021894 511
elessair 0:f269e3021894 512 #endif /* MBEDTLS_SELF_TEST */
elessair 0:f269e3021894 513
elessair 0:f269e3021894 514 #endif /* MBEDTLS_SHA512_C */