ON Semiconductor / mbed-os

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   mbed-TFT-example-NCS36510 mbed-Accelerometer-example-NCS36510 mbed-Accelerometer-example-NCS36510

features/mbedtls/src/sha512.c@1:f30bdcd2b33b, 2017-02-27 (annotated)

Committer:
jacobjohnson
Date:
Mon Feb 27 17:45:05 2017 +0000
Revision:
1:f30bdcd2b33b
Parent:
0:098463de4c5d 
changed the inputscale from 1 to 7 in analogin_api.c.  This will need to be changed later, and accessed from the main level, but for now this allows the  adc to read a value from 0 to 3.7V, instead of just up to 1V.;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
group-onsemi 0:098463de4c5d 1 /*
group-onsemi 0:098463de4c5d 2 * FIPS-180-2 compliant SHA-384/512 implementation
group-onsemi 0:098463de4c5d 3 *
group-onsemi 0:098463de4c5d 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
group-onsemi 0:098463de4c5d 5 * SPDX-License-Identifier: Apache-2.0
group-onsemi 0:098463de4c5d 6 *
group-onsemi 0:098463de4c5d 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
group-onsemi 0:098463de4c5d 8 * not use this file except in compliance with the License.
group-onsemi 0:098463de4c5d 9 * You may obtain a copy of the License at
group-onsemi 0:098463de4c5d 10 *
group-onsemi 0:098463de4c5d 11 * http://www.apache.org/licenses/LICENSE-2.0
group-onsemi 0:098463de4c5d 12 *
group-onsemi 0:098463de4c5d 13 * Unless required by applicable law or agreed to in writing, software
group-onsemi 0:098463de4c5d 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
group-onsemi 0:098463de4c5d 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
group-onsemi 0:098463de4c5d 16 * See the License for the specific language governing permissions and
group-onsemi 0:098463de4c5d 17 * limitations under the License.
group-onsemi 0:098463de4c5d 18 *
group-onsemi 0:098463de4c5d 19 * This file is part of mbed TLS (https://tls.mbed.org)
group-onsemi 0:098463de4c5d 20 */
group-onsemi 0:098463de4c5d 21 /*
group-onsemi 0:098463de4c5d 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
group-onsemi 0:098463de4c5d 23 *
group-onsemi 0:098463de4c5d 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
group-onsemi 0:098463de4c5d 25 */
group-onsemi 0:098463de4c5d 26
group-onsemi 0:098463de4c5d 27 #if !defined(MBEDTLS_CONFIG_FILE)
group-onsemi 0:098463de4c5d 28 #include "mbedtls/config.h"
group-onsemi 0:098463de4c5d 29 #else
group-onsemi 0:098463de4c5d 30 #include MBEDTLS_CONFIG_FILE
group-onsemi 0:098463de4c5d 31 #endif
group-onsemi 0:098463de4c5d 32
group-onsemi 0:098463de4c5d 33 #if defined(MBEDTLS_SHA512_C)
group-onsemi 0:098463de4c5d 34
group-onsemi 0:098463de4c5d 35 #include "mbedtls/sha512.h"
group-onsemi 0:098463de4c5d 36
group-onsemi 0:098463de4c5d 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
group-onsemi 0:098463de4c5d 38 #define UL64(x) x##ui64
group-onsemi 0:098463de4c5d 39 #else
group-onsemi 0:098463de4c5d 40 #define UL64(x) x##ULL
group-onsemi 0:098463de4c5d 41 #endif
group-onsemi 0:098463de4c5d 42
group-onsemi 0:098463de4c5d 43 #include <string.h>
group-onsemi 0:098463de4c5d 44
group-onsemi 0:098463de4c5d 45 #if defined(MBEDTLS_SELF_TEST)
group-onsemi 0:098463de4c5d 46 #if defined(MBEDTLS_PLATFORM_C)
group-onsemi 0:098463de4c5d 47 #include "mbedtls/platform.h"
group-onsemi 0:098463de4c5d 48 #else
group-onsemi 0:098463de4c5d 49 #include <stdio.h>
group-onsemi 0:098463de4c5d 50 #include <stdlib.h>
group-onsemi 0:098463de4c5d 51 #define mbedtls_printf printf
group-onsemi 0:098463de4c5d 52 #define mbedtls_calloc calloc
group-onsemi 0:098463de4c5d 53 #define mbedtls_free free
group-onsemi 0:098463de4c5d 54 #endif /* MBEDTLS_PLATFORM_C */
group-onsemi 0:098463de4c5d 55 #endif /* MBEDTLS_SELF_TEST */
group-onsemi 0:098463de4c5d 56
group-onsemi 0:098463de4c5d 57 #if !defined(MBEDTLS_SHA512_ALT)
group-onsemi 0:098463de4c5d 58
group-onsemi 0:098463de4c5d 59 /* Implementation that should never be optimized out by the compiler */
group-onsemi 0:098463de4c5d 60 static void mbedtls_zeroize( void *v, size_t n ) {
group-onsemi 0:098463de4c5d 61 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
group-onsemi 0:098463de4c5d 62 }
group-onsemi 0:098463de4c5d 63
group-onsemi 0:098463de4c5d 64 /*
group-onsemi 0:098463de4c5d 65 * 64-bit integer manipulation macros (big endian)
group-onsemi 0:098463de4c5d 66 */
group-onsemi 0:098463de4c5d 67 #ifndef GET_UINT64_BE
group-onsemi 0:098463de4c5d 68 #define GET_UINT64_BE(n,b,i) \
group-onsemi 0:098463de4c5d 69 { \
group-onsemi 0:098463de4c5d 70 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
group-onsemi 0:098463de4c5d 71 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
group-onsemi 0:098463de4c5d 72 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
group-onsemi 0:098463de4c5d 73 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
group-onsemi 0:098463de4c5d 74 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
group-onsemi 0:098463de4c5d 75 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
group-onsemi 0:098463de4c5d 76 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
group-onsemi 0:098463de4c5d 77 | ( (uint64_t) (b)[(i) + 7] ); \
group-onsemi 0:098463de4c5d 78 }
group-onsemi 0:098463de4c5d 79 #endif /* GET_UINT64_BE */
group-onsemi 0:098463de4c5d 80
group-onsemi 0:098463de4c5d 81 #ifndef PUT_UINT64_BE
group-onsemi 0:098463de4c5d 82 #define PUT_UINT64_BE(n,b,i) \
group-onsemi 0:098463de4c5d 83 { \
group-onsemi 0:098463de4c5d 84 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
group-onsemi 0:098463de4c5d 85 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
group-onsemi 0:098463de4c5d 86 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
group-onsemi 0:098463de4c5d 87 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
group-onsemi 0:098463de4c5d 88 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
group-onsemi 0:098463de4c5d 89 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
group-onsemi 0:098463de4c5d 90 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
group-onsemi 0:098463de4c5d 91 (b)[(i) + 7] = (unsigned char) ( (n) ); \
group-onsemi 0:098463de4c5d 92 }
group-onsemi 0:098463de4c5d 93 #endif /* PUT_UINT64_BE */
group-onsemi 0:098463de4c5d 94
group-onsemi 0:098463de4c5d 95 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
group-onsemi 0:098463de4c5d 96 {
group-onsemi 0:098463de4c5d 97 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
group-onsemi 0:098463de4c5d 98 }
group-onsemi 0:098463de4c5d 99
group-onsemi 0:098463de4c5d 100 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
group-onsemi 0:098463de4c5d 101 {
group-onsemi 0:098463de4c5d 102 if( ctx == NULL )
group-onsemi 0:098463de4c5d 103 return;
group-onsemi 0:098463de4c5d 104
group-onsemi 0:098463de4c5d 105 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
group-onsemi 0:098463de4c5d 106 }
group-onsemi 0:098463de4c5d 107
group-onsemi 0:098463de4c5d 108 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
group-onsemi 0:098463de4c5d 109 const mbedtls_sha512_context *src )
group-onsemi 0:098463de4c5d 110 {
group-onsemi 0:098463de4c5d 111 *dst = *src;
group-onsemi 0:098463de4c5d 112 }
group-onsemi 0:098463de4c5d 113
group-onsemi 0:098463de4c5d 114 /*
group-onsemi 0:098463de4c5d 115 * SHA-512 context setup
group-onsemi 0:098463de4c5d 116 */
group-onsemi 0:098463de4c5d 117 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
group-onsemi 0:098463de4c5d 118 {
group-onsemi 0:098463de4c5d 119 ctx->total[0] = 0;
group-onsemi 0:098463de4c5d 120 ctx->total[1] = 0;
group-onsemi 0:098463de4c5d 121
group-onsemi 0:098463de4c5d 122 if( is384 == 0 )
group-onsemi 0:098463de4c5d 123 {
group-onsemi 0:098463de4c5d 124 /* SHA-512 */
group-onsemi 0:098463de4c5d 125 ctx->state[0] = UL64(0x6A09E667F3BCC908);
group-onsemi 0:098463de4c5d 126 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
group-onsemi 0:098463de4c5d 127 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
group-onsemi 0:098463de4c5d 128 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
group-onsemi 0:098463de4c5d 129 ctx->state[4] = UL64(0x510E527FADE682D1);
group-onsemi 0:098463de4c5d 130 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
group-onsemi 0:098463de4c5d 131 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
group-onsemi 0:098463de4c5d 132 ctx->state[7] = UL64(0x5BE0CD19137E2179);
group-onsemi 0:098463de4c5d 133 }
group-onsemi 0:098463de4c5d 134 else
group-onsemi 0:098463de4c5d 135 {
group-onsemi 0:098463de4c5d 136 /* SHA-384 */
group-onsemi 0:098463de4c5d 137 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
group-onsemi 0:098463de4c5d 138 ctx->state[1] = UL64(0x629A292A367CD507);
group-onsemi 0:098463de4c5d 139 ctx->state[2] = UL64(0x9159015A3070DD17);
group-onsemi 0:098463de4c5d 140 ctx->state[3] = UL64(0x152FECD8F70E5939);
group-onsemi 0:098463de4c5d 141 ctx->state[4] = UL64(0x67332667FFC00B31);
group-onsemi 0:098463de4c5d 142 ctx->state[5] = UL64(0x8EB44A8768581511);
group-onsemi 0:098463de4c5d 143 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
group-onsemi 0:098463de4c5d 144 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
group-onsemi 0:098463de4c5d 145 }
group-onsemi 0:098463de4c5d 146
group-onsemi 0:098463de4c5d 147 ctx->is384 = is384;
group-onsemi 0:098463de4c5d 148 }
group-onsemi 0:098463de4c5d 149
group-onsemi 0:098463de4c5d 150 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
group-onsemi 0:098463de4c5d 151
group-onsemi 0:098463de4c5d 152 /*
group-onsemi 0:098463de4c5d 153 * Round constants
group-onsemi 0:098463de4c5d 154 */
group-onsemi 0:098463de4c5d 155 static const uint64_t K[80] =
group-onsemi 0:098463de4c5d 156 {
group-onsemi 0:098463de4c5d 157 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
group-onsemi 0:098463de4c5d 158 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
group-onsemi 0:098463de4c5d 159 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
group-onsemi 0:098463de4c5d 160 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
group-onsemi 0:098463de4c5d 161 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
group-onsemi 0:098463de4c5d 162 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
group-onsemi 0:098463de4c5d 163 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
group-onsemi 0:098463de4c5d 164 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
group-onsemi 0:098463de4c5d 165 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
group-onsemi 0:098463de4c5d 166 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
group-onsemi 0:098463de4c5d 167 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
group-onsemi 0:098463de4c5d 168 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
group-onsemi 0:098463de4c5d 169 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
group-onsemi 0:098463de4c5d 170 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
group-onsemi 0:098463de4c5d 171 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
group-onsemi 0:098463de4c5d 172 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
group-onsemi 0:098463de4c5d 173 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
group-onsemi 0:098463de4c5d 174 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
group-onsemi 0:098463de4c5d 175 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
group-onsemi 0:098463de4c5d 176 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
group-onsemi 0:098463de4c5d 177 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
group-onsemi 0:098463de4c5d 178 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
group-onsemi 0:098463de4c5d 179 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
group-onsemi 0:098463de4c5d 180 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
group-onsemi 0:098463de4c5d 181 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
group-onsemi 0:098463de4c5d 182 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
group-onsemi 0:098463de4c5d 183 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
group-onsemi 0:098463de4c5d 184 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
group-onsemi 0:098463de4c5d 185 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
group-onsemi 0:098463de4c5d 186 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
group-onsemi 0:098463de4c5d 187 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
group-onsemi 0:098463de4c5d 188 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
group-onsemi 0:098463de4c5d 189 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
group-onsemi 0:098463de4c5d 190 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
group-onsemi 0:098463de4c5d 191 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
group-onsemi 0:098463de4c5d 192 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
group-onsemi 0:098463de4c5d 193 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
group-onsemi 0:098463de4c5d 194 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
group-onsemi 0:098463de4c5d 195 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
group-onsemi 0:098463de4c5d 196 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
group-onsemi 0:098463de4c5d 197 };
group-onsemi 0:098463de4c5d 198
group-onsemi 0:098463de4c5d 199 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
group-onsemi 0:098463de4c5d 200 {
group-onsemi 0:098463de4c5d 201 int i;
group-onsemi 0:098463de4c5d 202 uint64_t temp1, temp2, W[80];
group-onsemi 0:098463de4c5d 203 uint64_t A, B, C, D, E, F, G, H;
group-onsemi 0:098463de4c5d 204
group-onsemi 0:098463de4c5d 205 #define SHR(x,n) (x >> n)
group-onsemi 0:098463de4c5d 206 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
group-onsemi 0:098463de4c5d 207
group-onsemi 0:098463de4c5d 208 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
group-onsemi 0:098463de4c5d 209 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
group-onsemi 0:098463de4c5d 210
group-onsemi 0:098463de4c5d 211 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
group-onsemi 0:098463de4c5d 212 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
group-onsemi 0:098463de4c5d 213
group-onsemi 0:098463de4c5d 214 #define F0(x,y,z) ((x & y) | (z & (x | y)))
group-onsemi 0:098463de4c5d 215 #define F1(x,y,z) (z ^ (x & (y ^ z)))
group-onsemi 0:098463de4c5d 216
group-onsemi 0:098463de4c5d 217 #define P(a,b,c,d,e,f,g,h,x,K) \
group-onsemi 0:098463de4c5d 218 { \
group-onsemi 0:098463de4c5d 219 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
group-onsemi 0:098463de4c5d 220 temp2 = S2(a) + F0(a,b,c); \
group-onsemi 0:098463de4c5d 221 d += temp1; h = temp1 + temp2; \
group-onsemi 0:098463de4c5d 222 }
group-onsemi 0:098463de4c5d 223
group-onsemi 0:098463de4c5d 224 for( i = 0; i < 16; i++ )
group-onsemi 0:098463de4c5d 225 {
group-onsemi 0:098463de4c5d 226 GET_UINT64_BE( W[i], data, i << 3 );
group-onsemi 0:098463de4c5d 227 }
group-onsemi 0:098463de4c5d 228
group-onsemi 0:098463de4c5d 229 for( ; i < 80; i++ )
group-onsemi 0:098463de4c5d 230 {
group-onsemi 0:098463de4c5d 231 W[i] = S1(W[i - 2]) + W[i - 7] +
group-onsemi 0:098463de4c5d 232 S0(W[i - 15]) + W[i - 16];
group-onsemi 0:098463de4c5d 233 }
group-onsemi 0:098463de4c5d 234
group-onsemi 0:098463de4c5d 235 A = ctx->state[0];
group-onsemi 0:098463de4c5d 236 B = ctx->state[1];
group-onsemi 0:098463de4c5d 237 C = ctx->state[2];
group-onsemi 0:098463de4c5d 238 D = ctx->state[3];
group-onsemi 0:098463de4c5d 239 E = ctx->state[4];
group-onsemi 0:098463de4c5d 240 F = ctx->state[5];
group-onsemi 0:098463de4c5d 241 G = ctx->state[6];
group-onsemi 0:098463de4c5d 242 H = ctx->state[7];
group-onsemi 0:098463de4c5d 243 i = 0;
group-onsemi 0:098463de4c5d 244
group-onsemi 0:098463de4c5d 245 do
group-onsemi 0:098463de4c5d 246 {
group-onsemi 0:098463de4c5d 247 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 248 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 249 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 250 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 251 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 252 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 253 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 254 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
group-onsemi 0:098463de4c5d 255 }
group-onsemi 0:098463de4c5d 256 while( i < 80 );
group-onsemi 0:098463de4c5d 257
group-onsemi 0:098463de4c5d 258 ctx->state[0] += A;
group-onsemi 0:098463de4c5d 259 ctx->state[1] += B;
group-onsemi 0:098463de4c5d 260 ctx->state[2] += C;
group-onsemi 0:098463de4c5d 261 ctx->state[3] += D;
group-onsemi 0:098463de4c5d 262 ctx->state[4] += E;
group-onsemi 0:098463de4c5d 263 ctx->state[5] += F;
group-onsemi 0:098463de4c5d 264 ctx->state[6] += G;
group-onsemi 0:098463de4c5d 265 ctx->state[7] += H;
group-onsemi 0:098463de4c5d 266 }
group-onsemi 0:098463de4c5d 267 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
group-onsemi 0:098463de4c5d 268
group-onsemi 0:098463de4c5d 269 /*
group-onsemi 0:098463de4c5d 270 * SHA-512 process buffer
group-onsemi 0:098463de4c5d 271 */
group-onsemi 0:098463de4c5d 272 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
group-onsemi 0:098463de4c5d 273 size_t ilen )
group-onsemi 0:098463de4c5d 274 {
group-onsemi 0:098463de4c5d 275 size_t fill;
group-onsemi 0:098463de4c5d 276 unsigned int left;
group-onsemi 0:098463de4c5d 277
group-onsemi 0:098463de4c5d 278 if( ilen == 0 )
group-onsemi 0:098463de4c5d 279 return;
group-onsemi 0:098463de4c5d 280
group-onsemi 0:098463de4c5d 281 left = (unsigned int) (ctx->total[0] & 0x7F);
group-onsemi 0:098463de4c5d 282 fill = 128 - left;
group-onsemi 0:098463de4c5d 283
group-onsemi 0:098463de4c5d 284 ctx->total[0] += (uint64_t) ilen;
group-onsemi 0:098463de4c5d 285
group-onsemi 0:098463de4c5d 286 if( ctx->total[0] < (uint64_t) ilen )
group-onsemi 0:098463de4c5d 287 ctx->total[1]++;
group-onsemi 0:098463de4c5d 288
group-onsemi 0:098463de4c5d 289 if( left && ilen >= fill )
group-onsemi 0:098463de4c5d 290 {
group-onsemi 0:098463de4c5d 291 memcpy( (void *) (ctx->buffer + left), input, fill );
group-onsemi 0:098463de4c5d 292 mbedtls_sha512_process( ctx, ctx->buffer );
group-onsemi 0:098463de4c5d 293 input += fill;
group-onsemi 0:098463de4c5d 294 ilen -= fill;
group-onsemi 0:098463de4c5d 295 left = 0;
group-onsemi 0:098463de4c5d 296 }
group-onsemi 0:098463de4c5d 297
group-onsemi 0:098463de4c5d 298 while( ilen >= 128 )
group-onsemi 0:098463de4c5d 299 {
group-onsemi 0:098463de4c5d 300 mbedtls_sha512_process( ctx, input );
group-onsemi 0:098463de4c5d 301 input += 128;
group-onsemi 0:098463de4c5d 302 ilen -= 128;
group-onsemi 0:098463de4c5d 303 }
group-onsemi 0:098463de4c5d 304
group-onsemi 0:098463de4c5d 305 if( ilen > 0 )
group-onsemi 0:098463de4c5d 306 memcpy( (void *) (ctx->buffer + left), input, ilen );
group-onsemi 0:098463de4c5d 307 }
group-onsemi 0:098463de4c5d 308
group-onsemi 0:098463de4c5d 309 static const unsigned char sha512_padding[128] =
group-onsemi 0:098463de4c5d 310 {
group-onsemi 0:098463de4c5d 311 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 315 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 316 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 317 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
group-onsemi 0:098463de4c5d 318 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
group-onsemi 0:098463de4c5d 319 };
group-onsemi 0:098463de4c5d 320
group-onsemi 0:098463de4c5d 321 /*
group-onsemi 0:098463de4c5d 322 * SHA-512 final digest
group-onsemi 0:098463de4c5d 323 */
group-onsemi 0:098463de4c5d 324 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
group-onsemi 0:098463de4c5d 325 {
group-onsemi 0:098463de4c5d 326 size_t last, padn;
group-onsemi 0:098463de4c5d 327 uint64_t high, low;
group-onsemi 0:098463de4c5d 328 unsigned char msglen[16];
group-onsemi 0:098463de4c5d 329
group-onsemi 0:098463de4c5d 330 high = ( ctx->total[0] >> 61 )
group-onsemi 0:098463de4c5d 331 | ( ctx->total[1] << 3 );
group-onsemi 0:098463de4c5d 332 low = ( ctx->total[0] << 3 );
group-onsemi 0:098463de4c5d 333
group-onsemi 0:098463de4c5d 334 PUT_UINT64_BE( high, msglen, 0 );
group-onsemi 0:098463de4c5d 335 PUT_UINT64_BE( low, msglen, 8 );
group-onsemi 0:098463de4c5d 336
group-onsemi 0:098463de4c5d 337 last = (size_t)( ctx->total[0] & 0x7F );
group-onsemi 0:098463de4c5d 338 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
group-onsemi 0:098463de4c5d 339
group-onsemi 0:098463de4c5d 340 mbedtls_sha512_update( ctx, sha512_padding, padn );
group-onsemi 0:098463de4c5d 341 mbedtls_sha512_update( ctx, msglen, 16 );
group-onsemi 0:098463de4c5d 342
group-onsemi 0:098463de4c5d 343 PUT_UINT64_BE( ctx->state[0], output, 0 );
group-onsemi 0:098463de4c5d 344 PUT_UINT64_BE( ctx->state[1], output, 8 );
group-onsemi 0:098463de4c5d 345 PUT_UINT64_BE( ctx->state[2], output, 16 );
group-onsemi 0:098463de4c5d 346 PUT_UINT64_BE( ctx->state[3], output, 24 );
group-onsemi 0:098463de4c5d 347 PUT_UINT64_BE( ctx->state[4], output, 32 );
group-onsemi 0:098463de4c5d 348 PUT_UINT64_BE( ctx->state[5], output, 40 );
group-onsemi 0:098463de4c5d 349
group-onsemi 0:098463de4c5d 350 if( ctx->is384 == 0 )
group-onsemi 0:098463de4c5d 351 {
group-onsemi 0:098463de4c5d 352 PUT_UINT64_BE( ctx->state[6], output, 48 );
group-onsemi 0:098463de4c5d 353 PUT_UINT64_BE( ctx->state[7], output, 56 );
group-onsemi 0:098463de4c5d 354 }
group-onsemi 0:098463de4c5d 355 }
group-onsemi 0:098463de4c5d 356
group-onsemi 0:098463de4c5d 357 #endif /* !MBEDTLS_SHA512_ALT */
group-onsemi 0:098463de4c5d 358
group-onsemi 0:098463de4c5d 359 /*
group-onsemi 0:098463de4c5d 360 * output = SHA-512( input buffer )
group-onsemi 0:098463de4c5d 361 */
group-onsemi 0:098463de4c5d 362 void mbedtls_sha512( const unsigned char *input, size_t ilen,
group-onsemi 0:098463de4c5d 363 unsigned char output[64], int is384 )
group-onsemi 0:098463de4c5d 364 {
group-onsemi 0:098463de4c5d 365 mbedtls_sha512_context ctx;
group-onsemi 0:098463de4c5d 366
group-onsemi 0:098463de4c5d 367 mbedtls_sha512_init( &ctx );
group-onsemi 0:098463de4c5d 368 mbedtls_sha512_starts( &ctx, is384 );
group-onsemi 0:098463de4c5d 369 mbedtls_sha512_update( &ctx, input, ilen );
group-onsemi 0:098463de4c5d 370 mbedtls_sha512_finish( &ctx, output );
group-onsemi 0:098463de4c5d 371 mbedtls_sha512_free( &ctx );
group-onsemi 0:098463de4c5d 372 }
group-onsemi 0:098463de4c5d 373
group-onsemi 0:098463de4c5d 374 #if defined(MBEDTLS_SELF_TEST)
group-onsemi 0:098463de4c5d 375
group-onsemi 0:098463de4c5d 376 /*
group-onsemi 0:098463de4c5d 377 * FIPS-180-2 test vectors
group-onsemi 0:098463de4c5d 378 */
group-onsemi 0:098463de4c5d 379 static const unsigned char sha512_test_buf[3][113] =
group-onsemi 0:098463de4c5d 380 {
group-onsemi 0:098463de4c5d 381 { "abc" },
group-onsemi 0:098463de4c5d 382 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
group-onsemi 0:098463de4c5d 383 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
group-onsemi 0:098463de4c5d 384 { "" }
group-onsemi 0:098463de4c5d 385 };
group-onsemi 0:098463de4c5d 386
group-onsemi 0:098463de4c5d 387 static const int sha512_test_buflen[3] =
group-onsemi 0:098463de4c5d 388 {
group-onsemi 0:098463de4c5d 389 3, 112, 1000
group-onsemi 0:098463de4c5d 390 };
group-onsemi 0:098463de4c5d 391
group-onsemi 0:098463de4c5d 392 static const unsigned char sha512_test_sum[6][64] =
group-onsemi 0:098463de4c5d 393 {
group-onsemi 0:098463de4c5d 394 /*
group-onsemi 0:098463de4c5d 395 * SHA-384 test vectors
group-onsemi 0:098463de4c5d 396 */
group-onsemi 0:098463de4c5d 397 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
group-onsemi 0:098463de4c5d 398 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
group-onsemi 0:098463de4c5d 399 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
group-onsemi 0:098463de4c5d 400 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
group-onsemi 0:098463de4c5d 401 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
group-onsemi 0:098463de4c5d 402 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
group-onsemi 0:098463de4c5d 403 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
group-onsemi 0:098463de4c5d 404 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
group-onsemi 0:098463de4c5d 405 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
group-onsemi 0:098463de4c5d 406 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
group-onsemi 0:098463de4c5d 407 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
group-onsemi 0:098463de4c5d 408 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
group-onsemi 0:098463de4c5d 409 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
group-onsemi 0:098463de4c5d 410 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
group-onsemi 0:098463de4c5d 411 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
group-onsemi 0:098463de4c5d 412 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
group-onsemi 0:098463de4c5d 413 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
group-onsemi 0:098463de4c5d 414 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
group-onsemi 0:098463de4c5d 415
group-onsemi 0:098463de4c5d 416 /*
group-onsemi 0:098463de4c5d 417 * SHA-512 test vectors
group-onsemi 0:098463de4c5d 418 */
group-onsemi 0:098463de4c5d 419 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
group-onsemi 0:098463de4c5d 420 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
group-onsemi 0:098463de4c5d 421 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
group-onsemi 0:098463de4c5d 422 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
group-onsemi 0:098463de4c5d 423 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
group-onsemi 0:098463de4c5d 424 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
group-onsemi 0:098463de4c5d 425 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
group-onsemi 0:098463de4c5d 426 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
group-onsemi 0:098463de4c5d 427 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
group-onsemi 0:098463de4c5d 428 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
group-onsemi 0:098463de4c5d 429 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
group-onsemi 0:098463de4c5d 430 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
group-onsemi 0:098463de4c5d 431 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
group-onsemi 0:098463de4c5d 432 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
group-onsemi 0:098463de4c5d 433 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
group-onsemi 0:098463de4c5d 434 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
group-onsemi 0:098463de4c5d 435 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
group-onsemi 0:098463de4c5d 436 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
group-onsemi 0:098463de4c5d 437 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
group-onsemi 0:098463de4c5d 438 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
group-onsemi 0:098463de4c5d 439 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
group-onsemi 0:098463de4c5d 440 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
group-onsemi 0:098463de4c5d 441 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
group-onsemi 0:098463de4c5d 442 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
group-onsemi 0:098463de4c5d 443 };
group-onsemi 0:098463de4c5d 444
group-onsemi 0:098463de4c5d 445 /*
group-onsemi 0:098463de4c5d 446 * Checkup routine
group-onsemi 0:098463de4c5d 447 */
group-onsemi 0:098463de4c5d 448 int mbedtls_sha512_self_test( int verbose )
group-onsemi 0:098463de4c5d 449 {
group-onsemi 0:098463de4c5d 450 int i, j, k, buflen, ret = 0;
group-onsemi 0:098463de4c5d 451 unsigned char *buf;
group-onsemi 0:098463de4c5d 452 unsigned char sha512sum[64];
group-onsemi 0:098463de4c5d 453 mbedtls_sha512_context ctx;
group-onsemi 0:098463de4c5d 454
group-onsemi 0:098463de4c5d 455 buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
group-onsemi 0:098463de4c5d 456 if( NULL == buf )
group-onsemi 0:098463de4c5d 457 {
group-onsemi 0:098463de4c5d 458 if( verbose != 0 )
group-onsemi 0:098463de4c5d 459 mbedtls_printf( "Buffer allocation failed\n" );
group-onsemi 0:098463de4c5d 460
group-onsemi 0:098463de4c5d 461 return( 1 );
group-onsemi 0:098463de4c5d 462 }
group-onsemi 0:098463de4c5d 463
group-onsemi 0:098463de4c5d 464 mbedtls_sha512_init( &ctx );
group-onsemi 0:098463de4c5d 465
group-onsemi 0:098463de4c5d 466 for( i = 0; i < 6; i++ )
group-onsemi 0:098463de4c5d 467 {
group-onsemi 0:098463de4c5d 468 j = i % 3;
group-onsemi 0:098463de4c5d 469 k = i < 3;
group-onsemi 0:098463de4c5d 470
group-onsemi 0:098463de4c5d 471 if( verbose != 0 )
group-onsemi 0:098463de4c5d 472 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
group-onsemi 0:098463de4c5d 473
group-onsemi 0:098463de4c5d 474 mbedtls_sha512_starts( &ctx, k );
group-onsemi 0:098463de4c5d 475
group-onsemi 0:098463de4c5d 476 if( j == 2 )
group-onsemi 0:098463de4c5d 477 {
group-onsemi 0:098463de4c5d 478 memset( buf, 'a', buflen = 1000 );
group-onsemi 0:098463de4c5d 479
group-onsemi 0:098463de4c5d 480 for( j = 0; j < 1000; j++ )
group-onsemi 0:098463de4c5d 481 mbedtls_sha512_update( &ctx, buf, buflen );
group-onsemi 0:098463de4c5d 482 }
group-onsemi 0:098463de4c5d 483 else
group-onsemi 0:098463de4c5d 484 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
group-onsemi 0:098463de4c5d 485 sha512_test_buflen[j] );
group-onsemi 0:098463de4c5d 486
group-onsemi 0:098463de4c5d 487 mbedtls_sha512_finish( &ctx, sha512sum );
group-onsemi 0:098463de4c5d 488
group-onsemi 0:098463de4c5d 489 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
group-onsemi 0:098463de4c5d 490 {
group-onsemi 0:098463de4c5d 491 if( verbose != 0 )
group-onsemi 0:098463de4c5d 492 mbedtls_printf( "failed\n" );
group-onsemi 0:098463de4c5d 493
group-onsemi 0:098463de4c5d 494 ret = 1;
group-onsemi 0:098463de4c5d 495 goto exit;
group-onsemi 0:098463de4c5d 496 }
group-onsemi 0:098463de4c5d 497
group-onsemi 0:098463de4c5d 498 if( verbose != 0 )
group-onsemi 0:098463de4c5d 499 mbedtls_printf( "passed\n" );
group-onsemi 0:098463de4c5d 500 }
group-onsemi 0:098463de4c5d 501
group-onsemi 0:098463de4c5d 502 if( verbose != 0 )
group-onsemi 0:098463de4c5d 503 mbedtls_printf( "\n" );
group-onsemi 0:098463de4c5d 504
group-onsemi 0:098463de4c5d 505 exit:
group-onsemi 0:098463de4c5d 506 mbedtls_sha512_free( &ctx );
group-onsemi 0:098463de4c5d 507 mbedtls_free( buf );
group-onsemi 0:098463de4c5d 508
group-onsemi 0:098463de4c5d 509 return( ret );
group-onsemi 0:098463de4c5d 510 }
group-onsemi 0:098463de4c5d 511
group-onsemi 0:098463de4c5d 512 #endif /* MBEDTLS_SELF_TEST */
group-onsemi 0:098463de4c5d 513
group-onsemi 0:098463de4c5d 514 #endif /* MBEDTLS_SHA512_C */