Timothy Beight / Mbed 2 deprecated 6_songs-from-the-cloud

This is a fork due to permission issues

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of 6_songs-from-the-cloud by MakingMusicWorkshop

mbed-client/mbedtls/source/sha512.c@1:0ddbe2d3319c, 2016-05-19 (annotated)

Committer:
timbeight
Date:
Thu May 19 16:02:10 2016 +0000
Revision:
1:0ddbe2d3319c
Parent:
0:f7c60d3e7b8a 
This is my first commit while in the class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:f7c60d3e7b8a 1 /*
maclobdell 0:f7c60d3e7b8a 2 * FIPS-180-2 compliant SHA-384/512 implementation
maclobdell 0:f7c60d3e7b8a 3 *
maclobdell 0:f7c60d3e7b8a 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
maclobdell 0:f7c60d3e7b8a 5 * SPDX-License-Identifier: Apache-2.0
maclobdell 0:f7c60d3e7b8a 6 *
maclobdell 0:f7c60d3e7b8a 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
maclobdell 0:f7c60d3e7b8a 8 * not use this file except in compliance with the License.
maclobdell 0:f7c60d3e7b8a 9 * You may obtain a copy of the License at
maclobdell 0:f7c60d3e7b8a 10 *
maclobdell 0:f7c60d3e7b8a 11 * http://www.apache.org/licenses/LICENSE-2.0
maclobdell 0:f7c60d3e7b8a 12 *
maclobdell 0:f7c60d3e7b8a 13 * Unless required by applicable law or agreed to in writing, software
maclobdell 0:f7c60d3e7b8a 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
maclobdell 0:f7c60d3e7b8a 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
maclobdell 0:f7c60d3e7b8a 16 * See the License for the specific language governing permissions and
maclobdell 0:f7c60d3e7b8a 17 * limitations under the License.
maclobdell 0:f7c60d3e7b8a 18 *
maclobdell 0:f7c60d3e7b8a 19 * This file is part of mbed TLS (https://tls.mbed.org)
maclobdell 0:f7c60d3e7b8a 20 */
maclobdell 0:f7c60d3e7b8a 21 /*
maclobdell 0:f7c60d3e7b8a 22 * The SHA-512 Secure Hash Standard was published by NIST in 2002.
maclobdell 0:f7c60d3e7b8a 23 *
maclobdell 0:f7c60d3e7b8a 24 * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
maclobdell 0:f7c60d3e7b8a 25 */
maclobdell 0:f7c60d3e7b8a 26
maclobdell 0:f7c60d3e7b8a 27 #if !defined(MBEDTLS_CONFIG_FILE)
maclobdell 0:f7c60d3e7b8a 28 #include "mbedtls/config.h"
maclobdell 0:f7c60d3e7b8a 29 #else
maclobdell 0:f7c60d3e7b8a 30 #include MBEDTLS_CONFIG_FILE
maclobdell 0:f7c60d3e7b8a 31 #endif
maclobdell 0:f7c60d3e7b8a 32
maclobdell 0:f7c60d3e7b8a 33 #if defined(MBEDTLS_SHA512_C)
maclobdell 0:f7c60d3e7b8a 34
maclobdell 0:f7c60d3e7b8a 35 #include "mbedtls/sha512.h"
maclobdell 0:f7c60d3e7b8a 36
maclobdell 0:f7c60d3e7b8a 37 #if defined(_MSC_VER) || defined(__WATCOMC__)
maclobdell 0:f7c60d3e7b8a 38 #define UL64(x) x##ui64
maclobdell 0:f7c60d3e7b8a 39 #else
maclobdell 0:f7c60d3e7b8a 40 #define UL64(x) x##ULL
maclobdell 0:f7c60d3e7b8a 41 #endif
maclobdell 0:f7c60d3e7b8a 42
maclobdell 0:f7c60d3e7b8a 43 #include <string.h>
maclobdell 0:f7c60d3e7b8a 44
maclobdell 0:f7c60d3e7b8a 45 #if defined(MBEDTLS_SELF_TEST)
maclobdell 0:f7c60d3e7b8a 46 #if defined(MBEDTLS_PLATFORM_C)
maclobdell 0:f7c60d3e7b8a 47 #include "mbedtls/platform.h"
maclobdell 0:f7c60d3e7b8a 48 #else
maclobdell 0:f7c60d3e7b8a 49 #include <stdio.h>
maclobdell 0:f7c60d3e7b8a 50 #define mbedtls_printf printf
maclobdell 0:f7c60d3e7b8a 51 #endif /* MBEDTLS_PLATFORM_C */
maclobdell 0:f7c60d3e7b8a 52 #endif /* MBEDTLS_SELF_TEST */
maclobdell 0:f7c60d3e7b8a 53
maclobdell 0:f7c60d3e7b8a 54 #if !defined(MBEDTLS_SHA512_ALT)
maclobdell 0:f7c60d3e7b8a 55
maclobdell 0:f7c60d3e7b8a 56 /* Implementation that should never be optimized out by the compiler */
maclobdell 0:f7c60d3e7b8a 57 static void mbedtls_zeroize( void *v, size_t n ) {
maclobdell 0:f7c60d3e7b8a 58 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
maclobdell 0:f7c60d3e7b8a 59 }
maclobdell 0:f7c60d3e7b8a 60
maclobdell 0:f7c60d3e7b8a 61 /*
maclobdell 0:f7c60d3e7b8a 62 * 64-bit integer manipulation macros (big endian)
maclobdell 0:f7c60d3e7b8a 63 */
maclobdell 0:f7c60d3e7b8a 64 #ifndef GET_UINT64_BE
maclobdell 0:f7c60d3e7b8a 65 #define GET_UINT64_BE(n,b,i) \
maclobdell 0:f7c60d3e7b8a 66 { \
maclobdell 0:f7c60d3e7b8a 67 (n) = ( (uint64_t) (b)[(i) ] << 56 ) \
maclobdell 0:f7c60d3e7b8a 68 | ( (uint64_t) (b)[(i) + 1] << 48 ) \
maclobdell 0:f7c60d3e7b8a 69 | ( (uint64_t) (b)[(i) + 2] << 40 ) \
maclobdell 0:f7c60d3e7b8a 70 | ( (uint64_t) (b)[(i) + 3] << 32 ) \
maclobdell 0:f7c60d3e7b8a 71 | ( (uint64_t) (b)[(i) + 4] << 24 ) \
maclobdell 0:f7c60d3e7b8a 72 | ( (uint64_t) (b)[(i) + 5] << 16 ) \
maclobdell 0:f7c60d3e7b8a 73 | ( (uint64_t) (b)[(i) + 6] << 8 ) \
maclobdell 0:f7c60d3e7b8a 74 | ( (uint64_t) (b)[(i) + 7] ); \
maclobdell 0:f7c60d3e7b8a 75 }
maclobdell 0:f7c60d3e7b8a 76 #endif /* GET_UINT64_BE */
maclobdell 0:f7c60d3e7b8a 77
maclobdell 0:f7c60d3e7b8a 78 #ifndef PUT_UINT64_BE
maclobdell 0:f7c60d3e7b8a 79 #define PUT_UINT64_BE(n,b,i) \
maclobdell 0:f7c60d3e7b8a 80 { \
maclobdell 0:f7c60d3e7b8a 81 (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
maclobdell 0:f7c60d3e7b8a 82 (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
maclobdell 0:f7c60d3e7b8a 83 (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
maclobdell 0:f7c60d3e7b8a 84 (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
maclobdell 0:f7c60d3e7b8a 85 (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
maclobdell 0:f7c60d3e7b8a 86 (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
maclobdell 0:f7c60d3e7b8a 87 (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
maclobdell 0:f7c60d3e7b8a 88 (b)[(i) + 7] = (unsigned char) ( (n) ); \
maclobdell 0:f7c60d3e7b8a 89 }
maclobdell 0:f7c60d3e7b8a 90 #endif /* PUT_UINT64_BE */
maclobdell 0:f7c60d3e7b8a 91
maclobdell 0:f7c60d3e7b8a 92 /*
maclobdell 0:f7c60d3e7b8a 93 * Round constants
maclobdell 0:f7c60d3e7b8a 94 */
maclobdell 0:f7c60d3e7b8a 95 static const uint64_t K[80] =
maclobdell 0:f7c60d3e7b8a 96 {
maclobdell 0:f7c60d3e7b8a 97 UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
maclobdell 0:f7c60d3e7b8a 98 UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
maclobdell 0:f7c60d3e7b8a 99 UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
maclobdell 0:f7c60d3e7b8a 100 UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
maclobdell 0:f7c60d3e7b8a 101 UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
maclobdell 0:f7c60d3e7b8a 102 UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
maclobdell 0:f7c60d3e7b8a 103 UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
maclobdell 0:f7c60d3e7b8a 104 UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
maclobdell 0:f7c60d3e7b8a 105 UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
maclobdell 0:f7c60d3e7b8a 106 UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
maclobdell 0:f7c60d3e7b8a 107 UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
maclobdell 0:f7c60d3e7b8a 108 UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
maclobdell 0:f7c60d3e7b8a 109 UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
maclobdell 0:f7c60d3e7b8a 110 UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
maclobdell 0:f7c60d3e7b8a 111 UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
maclobdell 0:f7c60d3e7b8a 112 UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
maclobdell 0:f7c60d3e7b8a 113 UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
maclobdell 0:f7c60d3e7b8a 114 UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
maclobdell 0:f7c60d3e7b8a 115 UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
maclobdell 0:f7c60d3e7b8a 116 UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
maclobdell 0:f7c60d3e7b8a 117 UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
maclobdell 0:f7c60d3e7b8a 118 UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
maclobdell 0:f7c60d3e7b8a 119 UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
maclobdell 0:f7c60d3e7b8a 120 UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
maclobdell 0:f7c60d3e7b8a 121 UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
maclobdell 0:f7c60d3e7b8a 122 UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
maclobdell 0:f7c60d3e7b8a 123 UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
maclobdell 0:f7c60d3e7b8a 124 UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
maclobdell 0:f7c60d3e7b8a 125 UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
maclobdell 0:f7c60d3e7b8a 126 UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
maclobdell 0:f7c60d3e7b8a 127 UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
maclobdell 0:f7c60d3e7b8a 128 UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
maclobdell 0:f7c60d3e7b8a 129 UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
maclobdell 0:f7c60d3e7b8a 130 UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
maclobdell 0:f7c60d3e7b8a 131 UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
maclobdell 0:f7c60d3e7b8a 132 UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
maclobdell 0:f7c60d3e7b8a 133 UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
maclobdell 0:f7c60d3e7b8a 134 UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
maclobdell 0:f7c60d3e7b8a 135 UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
maclobdell 0:f7c60d3e7b8a 136 UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
maclobdell 0:f7c60d3e7b8a 137 };
maclobdell 0:f7c60d3e7b8a 138
maclobdell 0:f7c60d3e7b8a 139 void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
maclobdell 0:f7c60d3e7b8a 140 {
maclobdell 0:f7c60d3e7b8a 141 memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
maclobdell 0:f7c60d3e7b8a 142 }
maclobdell 0:f7c60d3e7b8a 143
maclobdell 0:f7c60d3e7b8a 144 void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
maclobdell 0:f7c60d3e7b8a 145 {
maclobdell 0:f7c60d3e7b8a 146 if( ctx == NULL )
maclobdell 0:f7c60d3e7b8a 147 return;
maclobdell 0:f7c60d3e7b8a 148
maclobdell 0:f7c60d3e7b8a 149 mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
maclobdell 0:f7c60d3e7b8a 150 }
maclobdell 0:f7c60d3e7b8a 151
maclobdell 0:f7c60d3e7b8a 152 void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
maclobdell 0:f7c60d3e7b8a 153 const mbedtls_sha512_context *src )
maclobdell 0:f7c60d3e7b8a 154 {
maclobdell 0:f7c60d3e7b8a 155 *dst = *src;
maclobdell 0:f7c60d3e7b8a 156 }
maclobdell 0:f7c60d3e7b8a 157
maclobdell 0:f7c60d3e7b8a 158 /*
maclobdell 0:f7c60d3e7b8a 159 * SHA-512 context setup
maclobdell 0:f7c60d3e7b8a 160 */
maclobdell 0:f7c60d3e7b8a 161 void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
maclobdell 0:f7c60d3e7b8a 162 {
maclobdell 0:f7c60d3e7b8a 163 ctx->total[0] = 0;
maclobdell 0:f7c60d3e7b8a 164 ctx->total[1] = 0;
maclobdell 0:f7c60d3e7b8a 165
maclobdell 0:f7c60d3e7b8a 166 if( is384 == 0 )
maclobdell 0:f7c60d3e7b8a 167 {
maclobdell 0:f7c60d3e7b8a 168 /* SHA-512 */
maclobdell 0:f7c60d3e7b8a 169 ctx->state[0] = UL64(0x6A09E667F3BCC908);
maclobdell 0:f7c60d3e7b8a 170 ctx->state[1] = UL64(0xBB67AE8584CAA73B);
maclobdell 0:f7c60d3e7b8a 171 ctx->state[2] = UL64(0x3C6EF372FE94F82B);
maclobdell 0:f7c60d3e7b8a 172 ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
maclobdell 0:f7c60d3e7b8a 173 ctx->state[4] = UL64(0x510E527FADE682D1);
maclobdell 0:f7c60d3e7b8a 174 ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
maclobdell 0:f7c60d3e7b8a 175 ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
maclobdell 0:f7c60d3e7b8a 176 ctx->state[7] = UL64(0x5BE0CD19137E2179);
maclobdell 0:f7c60d3e7b8a 177 }
maclobdell 0:f7c60d3e7b8a 178 else
maclobdell 0:f7c60d3e7b8a 179 {
maclobdell 0:f7c60d3e7b8a 180 /* SHA-384 */
maclobdell 0:f7c60d3e7b8a 181 ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
maclobdell 0:f7c60d3e7b8a 182 ctx->state[1] = UL64(0x629A292A367CD507);
maclobdell 0:f7c60d3e7b8a 183 ctx->state[2] = UL64(0x9159015A3070DD17);
maclobdell 0:f7c60d3e7b8a 184 ctx->state[3] = UL64(0x152FECD8F70E5939);
maclobdell 0:f7c60d3e7b8a 185 ctx->state[4] = UL64(0x67332667FFC00B31);
maclobdell 0:f7c60d3e7b8a 186 ctx->state[5] = UL64(0x8EB44A8768581511);
maclobdell 0:f7c60d3e7b8a 187 ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
maclobdell 0:f7c60d3e7b8a 188 ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
maclobdell 0:f7c60d3e7b8a 189 }
maclobdell 0:f7c60d3e7b8a 190
maclobdell 0:f7c60d3e7b8a 191 ctx->is384 = is384;
maclobdell 0:f7c60d3e7b8a 192 }
maclobdell 0:f7c60d3e7b8a 193
maclobdell 0:f7c60d3e7b8a 194 #if !defined(MBEDTLS_SHA512_PROCESS_ALT)
maclobdell 0:f7c60d3e7b8a 195 void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] )
maclobdell 0:f7c60d3e7b8a 196 {
maclobdell 0:f7c60d3e7b8a 197 int i;
maclobdell 0:f7c60d3e7b8a 198 uint64_t temp1, temp2, W[80];
maclobdell 0:f7c60d3e7b8a 199 uint64_t A, B, C, D, E, F, G, H;
maclobdell 0:f7c60d3e7b8a 200
maclobdell 0:f7c60d3e7b8a 201 #define SHR(x,n) (x >> n)
maclobdell 0:f7c60d3e7b8a 202 #define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
maclobdell 0:f7c60d3e7b8a 203
maclobdell 0:f7c60d3e7b8a 204 #define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
maclobdell 0:f7c60d3e7b8a 205 #define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
maclobdell 0:f7c60d3e7b8a 206
maclobdell 0:f7c60d3e7b8a 207 #define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
maclobdell 0:f7c60d3e7b8a 208 #define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
maclobdell 0:f7c60d3e7b8a 209
maclobdell 0:f7c60d3e7b8a 210 #define F0(x,y,z) ((x & y) | (z & (x | y)))
maclobdell 0:f7c60d3e7b8a 211 #define F1(x,y,z) (z ^ (x & (y ^ z)))
maclobdell 0:f7c60d3e7b8a 212
maclobdell 0:f7c60d3e7b8a 213 #define P(a,b,c,d,e,f,g,h,x,K) \
maclobdell 0:f7c60d3e7b8a 214 { \
maclobdell 0:f7c60d3e7b8a 215 temp1 = h + S3(e) + F1(e,f,g) + K + x; \
maclobdell 0:f7c60d3e7b8a 216 temp2 = S2(a) + F0(a,b,c); \
maclobdell 0:f7c60d3e7b8a 217 d += temp1; h = temp1 + temp2; \
maclobdell 0:f7c60d3e7b8a 218 }
maclobdell 0:f7c60d3e7b8a 219
maclobdell 0:f7c60d3e7b8a 220 for( i = 0; i < 16; i++ )
maclobdell 0:f7c60d3e7b8a 221 {
maclobdell 0:f7c60d3e7b8a 222 GET_UINT64_BE( W[i], data, i << 3 );
maclobdell 0:f7c60d3e7b8a 223 }
maclobdell 0:f7c60d3e7b8a 224
maclobdell 0:f7c60d3e7b8a 225 for( ; i < 80; i++ )
maclobdell 0:f7c60d3e7b8a 226 {
maclobdell 0:f7c60d3e7b8a 227 W[i] = S1(W[i - 2]) + W[i - 7] +
maclobdell 0:f7c60d3e7b8a 228 S0(W[i - 15]) + W[i - 16];
maclobdell 0:f7c60d3e7b8a 229 }
maclobdell 0:f7c60d3e7b8a 230
maclobdell 0:f7c60d3e7b8a 231 A = ctx->state[0];
maclobdell 0:f7c60d3e7b8a 232 B = ctx->state[1];
maclobdell 0:f7c60d3e7b8a 233 C = ctx->state[2];
maclobdell 0:f7c60d3e7b8a 234 D = ctx->state[3];
maclobdell 0:f7c60d3e7b8a 235 E = ctx->state[4];
maclobdell 0:f7c60d3e7b8a 236 F = ctx->state[5];
maclobdell 0:f7c60d3e7b8a 237 G = ctx->state[6];
maclobdell 0:f7c60d3e7b8a 238 H = ctx->state[7];
maclobdell 0:f7c60d3e7b8a 239 i = 0;
maclobdell 0:f7c60d3e7b8a 240
maclobdell 0:f7c60d3e7b8a 241 do
maclobdell 0:f7c60d3e7b8a 242 {
maclobdell 0:f7c60d3e7b8a 243 P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 244 P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 245 P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 246 P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 247 P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 248 P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 249 P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 250 P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
maclobdell 0:f7c60d3e7b8a 251 }
maclobdell 0:f7c60d3e7b8a 252 while( i < 80 );
maclobdell 0:f7c60d3e7b8a 253
maclobdell 0:f7c60d3e7b8a 254 ctx->state[0] += A;
maclobdell 0:f7c60d3e7b8a 255 ctx->state[1] += B;
maclobdell 0:f7c60d3e7b8a 256 ctx->state[2] += C;
maclobdell 0:f7c60d3e7b8a 257 ctx->state[3] += D;
maclobdell 0:f7c60d3e7b8a 258 ctx->state[4] += E;
maclobdell 0:f7c60d3e7b8a 259 ctx->state[5] += F;
maclobdell 0:f7c60d3e7b8a 260 ctx->state[6] += G;
maclobdell 0:f7c60d3e7b8a 261 ctx->state[7] += H;
maclobdell 0:f7c60d3e7b8a 262 }
maclobdell 0:f7c60d3e7b8a 263 #endif /* !MBEDTLS_SHA512_PROCESS_ALT */
maclobdell 0:f7c60d3e7b8a 264
maclobdell 0:f7c60d3e7b8a 265 /*
maclobdell 0:f7c60d3e7b8a 266 * SHA-512 process buffer
maclobdell 0:f7c60d3e7b8a 267 */
maclobdell 0:f7c60d3e7b8a 268 void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
maclobdell 0:f7c60d3e7b8a 269 size_t ilen )
maclobdell 0:f7c60d3e7b8a 270 {
maclobdell 0:f7c60d3e7b8a 271 size_t fill;
maclobdell 0:f7c60d3e7b8a 272 unsigned int left;
maclobdell 0:f7c60d3e7b8a 273
maclobdell 0:f7c60d3e7b8a 274 if( ilen == 0 )
maclobdell 0:f7c60d3e7b8a 275 return;
maclobdell 0:f7c60d3e7b8a 276
maclobdell 0:f7c60d3e7b8a 277 left = (unsigned int) (ctx->total[0] & 0x7F);
maclobdell 0:f7c60d3e7b8a 278 fill = 128 - left;
maclobdell 0:f7c60d3e7b8a 279
maclobdell 0:f7c60d3e7b8a 280 ctx->total[0] += (uint64_t) ilen;
maclobdell 0:f7c60d3e7b8a 281
maclobdell 0:f7c60d3e7b8a 282 if( ctx->total[0] < (uint64_t) ilen )
maclobdell 0:f7c60d3e7b8a 283 ctx->total[1]++;
maclobdell 0:f7c60d3e7b8a 284
maclobdell 0:f7c60d3e7b8a 285 if( left && ilen >= fill )
maclobdell 0:f7c60d3e7b8a 286 {
maclobdell 0:f7c60d3e7b8a 287 memcpy( (void *) (ctx->buffer + left), input, fill );
maclobdell 0:f7c60d3e7b8a 288 mbedtls_sha512_process( ctx, ctx->buffer );
maclobdell 0:f7c60d3e7b8a 289 input += fill;
maclobdell 0:f7c60d3e7b8a 290 ilen -= fill;
maclobdell 0:f7c60d3e7b8a 291 left = 0;
maclobdell 0:f7c60d3e7b8a 292 }
maclobdell 0:f7c60d3e7b8a 293
maclobdell 0:f7c60d3e7b8a 294 while( ilen >= 128 )
maclobdell 0:f7c60d3e7b8a 295 {
maclobdell 0:f7c60d3e7b8a 296 mbedtls_sha512_process( ctx, input );
maclobdell 0:f7c60d3e7b8a 297 input += 128;
maclobdell 0:f7c60d3e7b8a 298 ilen -= 128;
maclobdell 0:f7c60d3e7b8a 299 }
maclobdell 0:f7c60d3e7b8a 300
maclobdell 0:f7c60d3e7b8a 301 if( ilen > 0 )
maclobdell 0:f7c60d3e7b8a 302 memcpy( (void *) (ctx->buffer + left), input, ilen );
maclobdell 0:f7c60d3e7b8a 303 }
maclobdell 0:f7c60d3e7b8a 304
maclobdell 0:f7c60d3e7b8a 305 static const unsigned char sha512_padding[128] =
maclobdell 0:f7c60d3e7b8a 306 {
maclobdell 0:f7c60d3e7b8a 307 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 308 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 309 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 310 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 311 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 312 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 313 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
maclobdell 0:f7c60d3e7b8a 314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
maclobdell 0:f7c60d3e7b8a 315 };
maclobdell 0:f7c60d3e7b8a 316
maclobdell 0:f7c60d3e7b8a 317 /*
maclobdell 0:f7c60d3e7b8a 318 * SHA-512 final digest
maclobdell 0:f7c60d3e7b8a 319 */
maclobdell 0:f7c60d3e7b8a 320 void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] )
maclobdell 0:f7c60d3e7b8a 321 {
maclobdell 0:f7c60d3e7b8a 322 size_t last, padn;
maclobdell 0:f7c60d3e7b8a 323 uint64_t high, low;
maclobdell 0:f7c60d3e7b8a 324 unsigned char msglen[16];
maclobdell 0:f7c60d3e7b8a 325
maclobdell 0:f7c60d3e7b8a 326 high = ( ctx->total[0] >> 61 )
maclobdell 0:f7c60d3e7b8a 327 | ( ctx->total[1] << 3 );
maclobdell 0:f7c60d3e7b8a 328 low = ( ctx->total[0] << 3 );
maclobdell 0:f7c60d3e7b8a 329
maclobdell 0:f7c60d3e7b8a 330 PUT_UINT64_BE( high, msglen, 0 );
maclobdell 0:f7c60d3e7b8a 331 PUT_UINT64_BE( low, msglen, 8 );
maclobdell 0:f7c60d3e7b8a 332
maclobdell 0:f7c60d3e7b8a 333 last = (size_t)( ctx->total[0] & 0x7F );
maclobdell 0:f7c60d3e7b8a 334 padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
maclobdell 0:f7c60d3e7b8a 335
maclobdell 0:f7c60d3e7b8a 336 mbedtls_sha512_update( ctx, sha512_padding, padn );
maclobdell 0:f7c60d3e7b8a 337 mbedtls_sha512_update( ctx, msglen, 16 );
maclobdell 0:f7c60d3e7b8a 338
maclobdell 0:f7c60d3e7b8a 339 PUT_UINT64_BE( ctx->state[0], output, 0 );
maclobdell 0:f7c60d3e7b8a 340 PUT_UINT64_BE( ctx->state[1], output, 8 );
maclobdell 0:f7c60d3e7b8a 341 PUT_UINT64_BE( ctx->state[2], output, 16 );
maclobdell 0:f7c60d3e7b8a 342 PUT_UINT64_BE( ctx->state[3], output, 24 );
maclobdell 0:f7c60d3e7b8a 343 PUT_UINT64_BE( ctx->state[4], output, 32 );
maclobdell 0:f7c60d3e7b8a 344 PUT_UINT64_BE( ctx->state[5], output, 40 );
maclobdell 0:f7c60d3e7b8a 345
maclobdell 0:f7c60d3e7b8a 346 if( ctx->is384 == 0 )
maclobdell 0:f7c60d3e7b8a 347 {
maclobdell 0:f7c60d3e7b8a 348 PUT_UINT64_BE( ctx->state[6], output, 48 );
maclobdell 0:f7c60d3e7b8a 349 PUT_UINT64_BE( ctx->state[7], output, 56 );
maclobdell 0:f7c60d3e7b8a 350 }
maclobdell 0:f7c60d3e7b8a 351 }
maclobdell 0:f7c60d3e7b8a 352
maclobdell 0:f7c60d3e7b8a 353 #endif /* !MBEDTLS_SHA512_ALT */
maclobdell 0:f7c60d3e7b8a 354
maclobdell 0:f7c60d3e7b8a 355 /*
maclobdell 0:f7c60d3e7b8a 356 * output = SHA-512( input buffer )
maclobdell 0:f7c60d3e7b8a 357 */
maclobdell 0:f7c60d3e7b8a 358 void mbedtls_sha512( const unsigned char *input, size_t ilen,
maclobdell 0:f7c60d3e7b8a 359 unsigned char output[64], int is384 )
maclobdell 0:f7c60d3e7b8a 360 {
maclobdell 0:f7c60d3e7b8a 361 mbedtls_sha512_context ctx;
maclobdell 0:f7c60d3e7b8a 362
maclobdell 0:f7c60d3e7b8a 363 mbedtls_sha512_init( &ctx );
maclobdell 0:f7c60d3e7b8a 364 mbedtls_sha512_starts( &ctx, is384 );
maclobdell 0:f7c60d3e7b8a 365 mbedtls_sha512_update( &ctx, input, ilen );
maclobdell 0:f7c60d3e7b8a 366 mbedtls_sha512_finish( &ctx, output );
maclobdell 0:f7c60d3e7b8a 367 mbedtls_sha512_free( &ctx );
maclobdell 0:f7c60d3e7b8a 368 }
maclobdell 0:f7c60d3e7b8a 369
maclobdell 0:f7c60d3e7b8a 370 #if defined(MBEDTLS_SELF_TEST)
maclobdell 0:f7c60d3e7b8a 371
maclobdell 0:f7c60d3e7b8a 372 /*
maclobdell 0:f7c60d3e7b8a 373 * FIPS-180-2 test vectors
maclobdell 0:f7c60d3e7b8a 374 */
maclobdell 0:f7c60d3e7b8a 375 static const unsigned char sha512_test_buf[3][113] =
maclobdell 0:f7c60d3e7b8a 376 {
maclobdell 0:f7c60d3e7b8a 377 { "abc" },
maclobdell 0:f7c60d3e7b8a 378 { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
maclobdell 0:f7c60d3e7b8a 379 "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
maclobdell 0:f7c60d3e7b8a 380 { "" }
maclobdell 0:f7c60d3e7b8a 381 };
maclobdell 0:f7c60d3e7b8a 382
maclobdell 0:f7c60d3e7b8a 383 static const int sha512_test_buflen[3] =
maclobdell 0:f7c60d3e7b8a 384 {
maclobdell 0:f7c60d3e7b8a 385 3, 112, 1000
maclobdell 0:f7c60d3e7b8a 386 };
maclobdell 0:f7c60d3e7b8a 387
maclobdell 0:f7c60d3e7b8a 388 static const unsigned char sha512_test_sum[6][64] =
maclobdell 0:f7c60d3e7b8a 389 {
maclobdell 0:f7c60d3e7b8a 390 /*
maclobdell 0:f7c60d3e7b8a 391 * SHA-384 test vectors
maclobdell 0:f7c60d3e7b8a 392 */
maclobdell 0:f7c60d3e7b8a 393 { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
maclobdell 0:f7c60d3e7b8a 394 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
maclobdell 0:f7c60d3e7b8a 395 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
maclobdell 0:f7c60d3e7b8a 396 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
maclobdell 0:f7c60d3e7b8a 397 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
maclobdell 0:f7c60d3e7b8a 398 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
maclobdell 0:f7c60d3e7b8a 399 { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
maclobdell 0:f7c60d3e7b8a 400 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
maclobdell 0:f7c60d3e7b8a 401 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
maclobdell 0:f7c60d3e7b8a 402 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
maclobdell 0:f7c60d3e7b8a 403 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
maclobdell 0:f7c60d3e7b8a 404 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
maclobdell 0:f7c60d3e7b8a 405 { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
maclobdell 0:f7c60d3e7b8a 406 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
maclobdell 0:f7c60d3e7b8a 407 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
maclobdell 0:f7c60d3e7b8a 408 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
maclobdell 0:f7c60d3e7b8a 409 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
maclobdell 0:f7c60d3e7b8a 410 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
maclobdell 0:f7c60d3e7b8a 411
maclobdell 0:f7c60d3e7b8a 412 /*
maclobdell 0:f7c60d3e7b8a 413 * SHA-512 test vectors
maclobdell 0:f7c60d3e7b8a 414 */
maclobdell 0:f7c60d3e7b8a 415 { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
maclobdell 0:f7c60d3e7b8a 416 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
maclobdell 0:f7c60d3e7b8a 417 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
maclobdell 0:f7c60d3e7b8a 418 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
maclobdell 0:f7c60d3e7b8a 419 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
maclobdell 0:f7c60d3e7b8a 420 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
maclobdell 0:f7c60d3e7b8a 421 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
maclobdell 0:f7c60d3e7b8a 422 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
maclobdell 0:f7c60d3e7b8a 423 { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
maclobdell 0:f7c60d3e7b8a 424 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
maclobdell 0:f7c60d3e7b8a 425 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
maclobdell 0:f7c60d3e7b8a 426 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
maclobdell 0:f7c60d3e7b8a 427 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
maclobdell 0:f7c60d3e7b8a 428 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
maclobdell 0:f7c60d3e7b8a 429 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
maclobdell 0:f7c60d3e7b8a 430 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
maclobdell 0:f7c60d3e7b8a 431 { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
maclobdell 0:f7c60d3e7b8a 432 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
maclobdell 0:f7c60d3e7b8a 433 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
maclobdell 0:f7c60d3e7b8a 434 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
maclobdell 0:f7c60d3e7b8a 435 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
maclobdell 0:f7c60d3e7b8a 436 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
maclobdell 0:f7c60d3e7b8a 437 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
maclobdell 0:f7c60d3e7b8a 438 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
maclobdell 0:f7c60d3e7b8a 439 };
maclobdell 0:f7c60d3e7b8a 440
maclobdell 0:f7c60d3e7b8a 441 /*
maclobdell 0:f7c60d3e7b8a 442 * Checkup routine
maclobdell 0:f7c60d3e7b8a 443 */
maclobdell 0:f7c60d3e7b8a 444 int mbedtls_sha512_self_test( int verbose )
maclobdell 0:f7c60d3e7b8a 445 {
maclobdell 0:f7c60d3e7b8a 446 int i, j, k, buflen, ret = 0;
maclobdell 0:f7c60d3e7b8a 447 unsigned char buf[1024];
maclobdell 0:f7c60d3e7b8a 448 unsigned char sha512sum[64];
maclobdell 0:f7c60d3e7b8a 449 mbedtls_sha512_context ctx;
maclobdell 0:f7c60d3e7b8a 450
maclobdell 0:f7c60d3e7b8a 451 mbedtls_sha512_init( &ctx );
maclobdell 0:f7c60d3e7b8a 452
maclobdell 0:f7c60d3e7b8a 453 for( i = 0; i < 6; i++ )
maclobdell 0:f7c60d3e7b8a 454 {
maclobdell 0:f7c60d3e7b8a 455 j = i % 3;
maclobdell 0:f7c60d3e7b8a 456 k = i < 3;
maclobdell 0:f7c60d3e7b8a 457
maclobdell 0:f7c60d3e7b8a 458 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 459 mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
maclobdell 0:f7c60d3e7b8a 460
maclobdell 0:f7c60d3e7b8a 461 mbedtls_sha512_starts( &ctx, k );
maclobdell 0:f7c60d3e7b8a 462
maclobdell 0:f7c60d3e7b8a 463 if( j == 2 )
maclobdell 0:f7c60d3e7b8a 464 {
maclobdell 0:f7c60d3e7b8a 465 memset( buf, 'a', buflen = 1000 );
maclobdell 0:f7c60d3e7b8a 466
maclobdell 0:f7c60d3e7b8a 467 for( j = 0; j < 1000; j++ )
maclobdell 0:f7c60d3e7b8a 468 mbedtls_sha512_update( &ctx, buf, buflen );
maclobdell 0:f7c60d3e7b8a 469 }
maclobdell 0:f7c60d3e7b8a 470 else
maclobdell 0:f7c60d3e7b8a 471 mbedtls_sha512_update( &ctx, sha512_test_buf[j],
maclobdell 0:f7c60d3e7b8a 472 sha512_test_buflen[j] );
maclobdell 0:f7c60d3e7b8a 473
maclobdell 0:f7c60d3e7b8a 474 mbedtls_sha512_finish( &ctx, sha512sum );
maclobdell 0:f7c60d3e7b8a 475
maclobdell 0:f7c60d3e7b8a 476 if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
maclobdell 0:f7c60d3e7b8a 477 {
maclobdell 0:f7c60d3e7b8a 478 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 479 mbedtls_printf( "failed\n" );
maclobdell 0:f7c60d3e7b8a 480
maclobdell 0:f7c60d3e7b8a 481 ret = 1;
maclobdell 0:f7c60d3e7b8a 482 goto exit;
maclobdell 0:f7c60d3e7b8a 483 }
maclobdell 0:f7c60d3e7b8a 484
maclobdell 0:f7c60d3e7b8a 485 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 486 mbedtls_printf( "passed\n" );
maclobdell 0:f7c60d3e7b8a 487 }
maclobdell 0:f7c60d3e7b8a 488
maclobdell 0:f7c60d3e7b8a 489 if( verbose != 0 )
maclobdell 0:f7c60d3e7b8a 490 mbedtls_printf( "\n" );
maclobdell 0:f7c60d3e7b8a 491
maclobdell 0:f7c60d3e7b8a 492 exit:
maclobdell 0:f7c60d3e7b8a 493 mbedtls_sha512_free( &ctx );
maclobdell 0:f7c60d3e7b8a 494
maclobdell 0:f7c60d3e7b8a 495 return( ret );
maclobdell 0:f7c60d3e7b8a 496 }
maclobdell 0:f7c60d3e7b8a 497
maclobdell 0:f7c60d3e7b8a 498 #endif /* MBEDTLS_SELF_TEST */
maclobdell 0:f7c60d3e7b8a 499
maclobdell 0:f7c60d3e7b8a 500 #endif /* MBEDTLS_SHA512_C */