mirror of
https://github.com/yuzu-emu/mbedtls.git
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556 lines
16 KiB
C
556 lines
16 KiB
C
/*
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* FIPS-180-2 compliant SHA-384/512 implementation
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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/*
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* The SHA-512 Secure Hash Standard was published by NIST in 2002.
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*
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* http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#if defined(MBEDTLS_SHA512_C)
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#include "mbedtls/sha512.h"
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#if defined(_MSC_VER) || defined(__WATCOMC__)
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#define UL64(x) x##ui64
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#else
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#define UL64(x) x##ULL
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#endif
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#include <string.h>
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#if defined(MBEDTLS_SELF_TEST)
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#define mbedtls_printf printf
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#define mbedtls_calloc calloc
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#define mbedtls_free free
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#endif /* MBEDTLS_PLATFORM_C */
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#endif /* MBEDTLS_SELF_TEST */
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#if !defined(MBEDTLS_SHA512_ALT)
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/* Implementation that should never be optimized out by the compiler */
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static void mbedtls_zeroize( void *v, size_t n ) {
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volatile unsigned char *p = v; while( n-- ) *p++ = 0;
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}
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/*
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* 64-bit integer manipulation macros (big endian)
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*/
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#ifndef GET_UINT64_BE
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#define GET_UINT64_BE(n,b,i) \
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{ \
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(n) = ( (uint64_t) (b)[(i) ] << 56 ) \
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| ( (uint64_t) (b)[(i) + 1] << 48 ) \
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| ( (uint64_t) (b)[(i) + 2] << 40 ) \
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| ( (uint64_t) (b)[(i) + 3] << 32 ) \
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| ( (uint64_t) (b)[(i) + 4] << 24 ) \
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| ( (uint64_t) (b)[(i) + 5] << 16 ) \
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| ( (uint64_t) (b)[(i) + 6] << 8 ) \
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| ( (uint64_t) (b)[(i) + 7] ); \
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}
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#endif /* GET_UINT64_BE */
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#ifndef PUT_UINT64_BE
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#define PUT_UINT64_BE(n,b,i) \
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{ \
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(b)[(i) ] = (unsigned char) ( (n) >> 56 ); \
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(b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \
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(b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \
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(b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \
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(b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \
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(b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \
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(b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \
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(b)[(i) + 7] = (unsigned char) ( (n) ); \
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}
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#endif /* PUT_UINT64_BE */
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void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
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{
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memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
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}
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void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
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{
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if( ctx == NULL )
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return;
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mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) );
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}
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void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
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const mbedtls_sha512_context *src )
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{
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*dst = *src;
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}
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/*
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* SHA-512 context setup
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*/
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int mbedtls_sha512_starts_ext( mbedtls_sha512_context *ctx, int is384 )
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{
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ctx->total[0] = 0;
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ctx->total[1] = 0;
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if( is384 == 0 )
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{
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/* SHA-512 */
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ctx->state[0] = UL64(0x6A09E667F3BCC908);
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ctx->state[1] = UL64(0xBB67AE8584CAA73B);
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ctx->state[2] = UL64(0x3C6EF372FE94F82B);
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ctx->state[3] = UL64(0xA54FF53A5F1D36F1);
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ctx->state[4] = UL64(0x510E527FADE682D1);
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ctx->state[5] = UL64(0x9B05688C2B3E6C1F);
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ctx->state[6] = UL64(0x1F83D9ABFB41BD6B);
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ctx->state[7] = UL64(0x5BE0CD19137E2179);
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}
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else
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{
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/* SHA-384 */
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ctx->state[0] = UL64(0xCBBB9D5DC1059ED8);
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ctx->state[1] = UL64(0x629A292A367CD507);
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ctx->state[2] = UL64(0x9159015A3070DD17);
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ctx->state[3] = UL64(0x152FECD8F70E5939);
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ctx->state[4] = UL64(0x67332667FFC00B31);
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ctx->state[5] = UL64(0x8EB44A8768581511);
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ctx->state[6] = UL64(0xDB0C2E0D64F98FA7);
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ctx->state[7] = UL64(0x47B5481DBEFA4FA4);
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}
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ctx->is384 = is384;
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return( 0 );
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}
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#if !defined(MBEDTLS_SHA512_PROCESS_ALT)
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/*
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* Round constants
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*/
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static const uint64_t K[80] =
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{
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UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD),
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UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC),
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UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019),
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UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118),
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UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE),
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UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2),
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UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1),
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UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694),
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UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3),
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UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65),
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UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483),
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UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5),
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UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210),
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UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4),
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UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725),
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UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70),
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UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926),
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UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF),
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UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8),
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UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B),
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UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001),
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UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30),
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UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910),
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UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8),
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UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53),
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UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8),
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UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB),
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UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3),
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UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60),
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UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC),
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UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9),
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UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B),
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UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207),
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UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178),
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UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6),
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UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B),
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UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493),
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UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C),
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UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A),
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UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817)
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};
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int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
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const unsigned char data[128] )
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{
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int i;
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uint64_t temp1, temp2, W[80];
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uint64_t A, B, C, D, E, F, G, H;
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#define SHR(x,n) (x >> n)
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#define ROTR(x,n) (SHR(x,n) | (x << (64 - n)))
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#define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
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#define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6))
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#define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39))
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#define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41))
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#define F0(x,y,z) ((x & y) | (z & (x | y)))
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#define F1(x,y,z) (z ^ (x & (y ^ z)))
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#define P(a,b,c,d,e,f,g,h,x,K) \
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{ \
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temp1 = h + S3(e) + F1(e,f,g) + K + x; \
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temp2 = S2(a) + F0(a,b,c); \
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d += temp1; h = temp1 + temp2; \
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}
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for( i = 0; i < 16; i++ )
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{
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GET_UINT64_BE( W[i], data, i << 3 );
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}
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for( ; i < 80; i++ )
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{
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W[i] = S1(W[i - 2]) + W[i - 7] +
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S0(W[i - 15]) + W[i - 16];
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}
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A = ctx->state[0];
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B = ctx->state[1];
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C = ctx->state[2];
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D = ctx->state[3];
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E = ctx->state[4];
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F = ctx->state[5];
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G = ctx->state[6];
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H = ctx->state[7];
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i = 0;
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do
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{
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P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++;
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P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++;
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P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++;
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P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++;
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P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++;
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P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++;
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P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++;
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P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++;
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}
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while( i < 80 );
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ctx->state[0] += A;
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ctx->state[1] += B;
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ctx->state[2] += C;
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ctx->state[3] += D;
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ctx->state[4] += E;
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ctx->state[5] += F;
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ctx->state[6] += G;
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ctx->state[7] += H;
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return( 0 );
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}
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#endif /* !MBEDTLS_SHA512_PROCESS_ALT */
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/*
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* SHA-512 process buffer
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*/
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int mbedtls_sha512_update_ext( mbedtls_sha512_context *ctx,
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const unsigned char *input,
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size_t ilen )
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{
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int ret;
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size_t fill;
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unsigned int left;
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if( ilen == 0 )
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return( 0 );
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left = (unsigned int) (ctx->total[0] & 0x7F);
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fill = 128 - left;
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ctx->total[0] += (uint64_t) ilen;
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if( ctx->total[0] < (uint64_t) ilen )
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ctx->total[1]++;
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if( left && ilen >= fill )
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{
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memcpy( (void *) (ctx->buffer + left), input, fill );
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if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 )
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return( ret );
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input += fill;
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ilen -= fill;
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left = 0;
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}
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while( ilen >= 128 )
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{
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if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 )
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return( ret );
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input += 128;
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ilen -= 128;
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}
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if( ilen > 0 )
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memcpy( (void *) (ctx->buffer + left), input, ilen );
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return( 0 );
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}
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static const unsigned char sha512_padding[128] =
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{
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0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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/*
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* SHA-512 final digest
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*/
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int mbedtls_sha512_finish_ext( mbedtls_sha512_context *ctx,
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unsigned char output[64] )
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{
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int ret;
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size_t last, padn;
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uint64_t high, low;
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unsigned char msglen[16];
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high = ( ctx->total[0] >> 61 )
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| ( ctx->total[1] << 3 );
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low = ( ctx->total[0] << 3 );
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PUT_UINT64_BE( high, msglen, 0 );
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PUT_UINT64_BE( low, msglen, 8 );
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last = (size_t)( ctx->total[0] & 0x7F );
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padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last );
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if( ( ret = mbedtls_sha512_update_ext( ctx, sha512_padding, padn ) ) != 0 )
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return( ret );
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if( ( ret = mbedtls_sha512_update_ext( ctx, msglen, 16 ) ) != 0 )
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return( ret );
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PUT_UINT64_BE( ctx->state[0], output, 0 );
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PUT_UINT64_BE( ctx->state[1], output, 8 );
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PUT_UINT64_BE( ctx->state[2], output, 16 );
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PUT_UINT64_BE( ctx->state[3], output, 24 );
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PUT_UINT64_BE( ctx->state[4], output, 32 );
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PUT_UINT64_BE( ctx->state[5], output, 40 );
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if( ctx->is384 == 0 )
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{
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PUT_UINT64_BE( ctx->state[6], output, 48 );
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PUT_UINT64_BE( ctx->state[7], output, 56 );
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}
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return( 0 );
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}
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#endif /* !MBEDTLS_SHA512_ALT */
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/*
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* output = SHA-512( input buffer )
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*/
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int mbedtls_sha512_ext( const unsigned char *input,
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size_t ilen,
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unsigned char output[64],
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int is384 )
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{
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int ret;
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mbedtls_sha512_context ctx;
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mbedtls_sha512_init( &ctx );
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if( ( ret = mbedtls_sha512_starts_ext( &ctx, is384 ) ) != 0 )
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return( ret );
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if( ( ret = mbedtls_sha512_update_ext( &ctx, input, ilen ) ) != 0 )
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return( ret );
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if( ( ret = mbedtls_sha512_finish_ext( &ctx, output ) ) != 0 )
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return( ret );
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mbedtls_sha512_free( &ctx );
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return( 0 );
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}
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#if defined(MBEDTLS_SELF_TEST)
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/*
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* FIPS-180-2 test vectors
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*/
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static const unsigned char sha512_test_buf[3][113] =
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{
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{ "abc" },
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{ "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
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"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" },
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{ "" }
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};
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static const int sha512_test_buflen[3] =
|
|
{
|
|
3, 112, 1000
|
|
};
|
|
|
|
static const unsigned char sha512_test_sum[6][64] =
|
|
{
|
|
/*
|
|
* SHA-384 test vectors
|
|
*/
|
|
{ 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B,
|
|
0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07,
|
|
0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63,
|
|
0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED,
|
|
0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23,
|
|
0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 },
|
|
{ 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8,
|
|
0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47,
|
|
0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2,
|
|
0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12,
|
|
0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9,
|
|
0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 },
|
|
{ 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB,
|
|
0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C,
|
|
0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52,
|
|
0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B,
|
|
0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB,
|
|
0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 },
|
|
|
|
/*
|
|
* SHA-512 test vectors
|
|
*/
|
|
{ 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA,
|
|
0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31,
|
|
0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2,
|
|
0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A,
|
|
0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8,
|
|
0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD,
|
|
0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E,
|
|
0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F },
|
|
{ 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA,
|
|
0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F,
|
|
0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1,
|
|
0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18,
|
|
0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4,
|
|
0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A,
|
|
0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54,
|
|
0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 },
|
|
{ 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64,
|
|
0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63,
|
|
0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28,
|
|
0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB,
|
|
0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A,
|
|
0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B,
|
|
0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E,
|
|
0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B }
|
|
};
|
|
|
|
/*
|
|
* Checkup routine
|
|
*/
|
|
int mbedtls_sha512_self_test( int verbose )
|
|
{
|
|
int i, j, k, buflen, ret = 0;
|
|
unsigned char *buf;
|
|
unsigned char sha512sum[64];
|
|
mbedtls_sha512_context ctx;
|
|
|
|
buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
|
|
if( NULL == buf )
|
|
{
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "Buffer allocation failed\n" );
|
|
|
|
return( 1 );
|
|
}
|
|
|
|
mbedtls_sha512_init( &ctx );
|
|
|
|
for( i = 0; i < 6; i++ )
|
|
{
|
|
j = i % 3;
|
|
k = i < 3;
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 );
|
|
|
|
if( mbedtls_sha512_starts_ext( &ctx, k ) != 0 )
|
|
goto fail;
|
|
|
|
if( j == 2 )
|
|
{
|
|
memset( buf, 'a', buflen = 1000 );
|
|
|
|
for( j = 0; j < 1000; j++ )
|
|
if( mbedtls_sha512_update_ext( &ctx, buf, buflen ) != 0 )
|
|
goto fail;
|
|
}
|
|
else
|
|
{
|
|
if( mbedtls_sha512_update_ext( &ctx, sha512_test_buf[j],
|
|
sha512_test_buflen[j] ) != 0 )
|
|
goto fail;
|
|
}
|
|
|
|
if( mbedtls_sha512_finish_ext( &ctx, sha512sum ) != 0 )
|
|
goto fail;
|
|
|
|
if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 )
|
|
goto fail;
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "passed\n" );
|
|
}
|
|
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "\n" );
|
|
|
|
goto exit;
|
|
|
|
fail:
|
|
if( verbose != 0 )
|
|
mbedtls_printf( "failed\n" );
|
|
|
|
ret = 1;
|
|
|
|
exit:
|
|
mbedtls_sha512_free( &ctx );
|
|
mbedtls_free( buf );
|
|
|
|
return( ret );
|
|
}
|
|
|
|
#endif /* MBEDTLS_SELF_TEST */
|
|
|
|
#endif /* MBEDTLS_SHA512_C */
|