cya_u
Fork of CyaSSL-forEncrypt by
Revision 2:d0516dc143b1, committed 2017-05-10
- Comitter:
- vbahl2
- Date:
- Wed May 10 18:20:47 2017 +0000
- Parent:
- 1:2cec76fea11b
- Commit message:
- updated
Changed in this revision
diff -r 2cec76fea11b -r d0516dc143b1 config.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/config.h Wed May 10 18:20:47 2017 +0000 @@ -0,0 +1,141 @@ +/** + * \file sha512.h + * + * \brief SHA-384 and SHA-512 cryptographic hash function + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +#ifndef MBEDTLS_SHA512_H +#define MBEDTLS_SHA512_H + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#include <stddef.h> +#include <stdint.h> + +#if !defined(MBEDTLS_SHA512_ALT) +// Regular implementation +// + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief SHA-512 context structure + */ +typedef struct +{ + uint64_t total[2]; /*!< number of bytes processed */ + uint64_t state[8]; /*!< intermediate digest state */ + unsigned char buffer[128]; /*!< data block being processed */ + int is384; /*!< 0 => SHA-512, else SHA-384 */ +} +mbedtls_sha512_context; + +/** + * \brief Initialize SHA-512 context + * + * \param ctx SHA-512 context to be initialized + */ +void mbedtls_sha512_init( mbedtls_sha512_context *ctx ); + +/** + * \brief Clear SHA-512 context + * + * \param ctx SHA-512 context to be cleared + */ +void mbedtls_sha512_free( mbedtls_sha512_context *ctx ); + +/** + * \brief Clone (the state of) a SHA-512 context + * + * \param dst The destination context + * \param src The context to be cloned + */ +void mbedtls_sha512_clone( mbedtls_sha512_context *dst, + const mbedtls_sha512_context *src ); + +/** + * \brief SHA-512 context setup + * + * \param ctx context to be initialized + * \param is384 0 = use SHA512, 1 = use SHA384 + */ +void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 ); + +/** + * \brief SHA-512 process buffer + * + * \param ctx SHA-512 context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input, + size_t ilen ); + +/** + * \brief SHA-512 final digest + * + * \param ctx SHA-512 context + * \param output SHA-384/512 checksum result + */ +void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] ); + +#ifdef __cplusplus +} +#endif + +#else /* MBEDTLS_SHA512_ALT */ +#include "sha512_alt.h" +#endif /* MBEDTLS_SHA512_ALT */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Output = SHA-512( input buffer ) + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output SHA-384/512 checksum result + * \param is384 0 = use SHA512, 1 = use SHA384 + */ +void mbedtls_sha512( const unsigned char *input, size_t ilen, + unsigned char output[64], int is384 ); + +/** + * \brief Checkup routine + * + * \return 0 if successful, or 1 if the test failed + */ +int mbedtls_sha512_self_test( int verbose ); + +/* Internal use */ +void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ); + +#ifdef __cplusplus +} +#endif + +#endif /* mbedtls_sha512.h */ \ No newline at end of file
diff -r 2cec76fea11b -r d0516dc143b1 newSha256.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/newSha256.c Wed May 10 18:20:47 2017 +0000 @@ -0,0 +1,460 @@ +/* + * FIPS-180-2 compliant SHA-256 implementation + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * The SHA-256 Secure Hash Standard was published by NIST in 2002. + * + * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf + */ + +#include "newSha256.h" + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +//#if defined(MBEDTLS_SHA256_C) + + + +#include <string.h> + +//#if defined(MBEDTLS_SELF_TEST) +#if defined(MBEDTLS_PLATFORM_C) +#include "mbedtls/platform.h" +#else +#include <stdio.h> +#include <stdlib.h> +#define mbedtls_printf printf +#define mbedtls_calloc calloc +#define mbedtls_free free +#endif /* MBEDTLS_PLATFORM_C */ +//#endif /* MBEDTLS_SELF_TEST */ + +//#if !defined(MBEDTLS_SHA256_ALT) + +/* Implementation that should never be optimized out by the compiler */ +static void mbedtls_zeroize( void *v, size_t n ) { + volatile unsigned char *p = v; while( n-- ) *p++ = 0; +} + +/* + * 32-bit integer manipulation macros (big endian) + */ +#ifndef GET_UINT32_BE +#define GET_UINT32_BE(n,b,i) \ +do { \ + (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ + | ( (uint32_t) (b)[(i) + 1] << 16 ) \ + | ( (uint32_t) (b)[(i) + 2] << 8 ) \ + | ( (uint32_t) (b)[(i) + 3] ); \ +} while( 0 ) +#endif + +#ifndef PUT_UINT32_BE +#define PUT_UINT32_BE(n,b,i) \ +do { \ + (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ + (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ + (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ + (b)[(i) + 3] = (unsigned char) ( (n) ); \ +} while( 0 ) +#endif + +void mbedtls_sha256_init( mbedtls_sha256_context *ctx ) +{ + memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); +} + +void mbedtls_sha256_free( mbedtls_sha256_context *ctx ) +{ + if( ctx == NULL ) + return; + + mbedtls_zeroize( ctx, sizeof( mbedtls_sha256_context ) ); +} + +void mbedtls_sha256_clone( mbedtls_sha256_context *dst, + const mbedtls_sha256_context *src ) +{ + *dst = *src; +} + +/* + * SHA-256 context setup + */ +void mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 ) +{ + ctx->total[0] = 0; + ctx->total[1] = 0; + + if( is224 == 0 ) + { + /* SHA-256 */ + ctx->state[0] = 0x6A09E667; + ctx->state[1] = 0xBB67AE85; + ctx->state[2] = 0x3C6EF372; + ctx->state[3] = 0xA54FF53A; + ctx->state[4] = 0x510E527F; + ctx->state[5] = 0x9B05688C; + ctx->state[6] = 0x1F83D9AB; + ctx->state[7] = 0x5BE0CD19; + } + else + { + /* SHA-224 */ + ctx->state[0] = 0xC1059ED8; + ctx->state[1] = 0x367CD507; + ctx->state[2] = 0x3070DD17; + ctx->state[3] = 0xF70E5939; + ctx->state[4] = 0xFFC00B31; + ctx->state[5] = 0x68581511; + ctx->state[6] = 0x64F98FA7; + ctx->state[7] = 0xBEFA4FA4; + } + + ctx->is224 = is224; +} + +//#if !defined(MBEDTLS_SHA256_PROCESS_ALT) +static const uint32_t K[] = +{ + 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5, + 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5, + 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3, + 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174, + 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC, + 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA, + 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7, + 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967, + 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13, + 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85, + 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3, + 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070, + 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5, + 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3, + 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208, + 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2, +}; + +#define SHR(x,n) ((x & 0xFFFFFFFF) >> n) +#define ROTR(x,n) (SHR(x,n) | (x << (32 - n))) + +#define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3)) +#define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10)) + +#define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22)) +#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25)) + +#define F0(x,y,z) ((x & y) | (z & (x | y))) +#define F1(x,y,z) (z ^ (x & (y ^ z))) + +#define R(t) \ +( \ + W[t] = S1(W[t - 2]) + W[t - 7] + \ + S0(W[t - 15]) + W[t - 16] \ +) + +#define P(a,b,c,d,e,f,g,h,x,K) \ +{ \ + temp1 = h + S3(e) + F1(e,f,g) + K + x; \ + temp2 = S2(a) + F0(a,b,c); \ + d += temp1; h = temp1 + temp2; \ +} + +void mbedtls_sha256_process( mbedtls_sha256_context *ctx, const unsigned char data[64] ) +{ + uint32_t temp1, temp2, W[64]; + uint32_t A[8]; + unsigned int i; + + for( i = 0; i < 8; i++ ) + A[i] = ctx->state[i]; + +#if defined(MBEDTLS_SHA256_SMALLER) + for( i = 0; i < 64; i++ ) + { + if( i < 16 ) + GET_UINT32_BE( W[i], data, 4 * i ); + else + R( i ); + + P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i] ); + + temp1 = A[7]; A[7] = A[6]; A[6] = A[5]; A[5] = A[4]; A[4] = A[3]; + A[3] = A[2]; A[2] = A[1]; A[1] = A[0]; A[0] = temp1; + } +#else /* MBEDTLS_SHA256_SMALLER */ + for( i = 0; i < 16; i++ ) + GET_UINT32_BE( W[i], data, 4 * i ); + + for( i = 0; i < 16; i += 8 ) + { + P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i+0], K[i+0] ); + P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i+1], K[i+1] ); + P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i+2], K[i+2] ); + P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i+3], K[i+3] ); + P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i+4], K[i+4] ); + P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i+5], K[i+5] ); + P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i+6], K[i+6] ); + P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i+7], K[i+7] ); + } + + for( i = 16; i < 64; i += 8 ) + { + P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i+0), K[i+0] ); + P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i+1), K[i+1] ); + P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i+2), K[i+2] ); + P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i+3), K[i+3] ); + P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i+4), K[i+4] ); + P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i+5), K[i+5] ); + P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i+6), K[i+6] ); + P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i+7), K[i+7] ); + } +#endif /* MBEDTLS_SHA256_SMALLER */ + + for( i = 0; i < 8; i++ ) + ctx->state[i] += A[i]; +} +//#endif /* !MBEDTLS_SHA256_PROCESS_ALT */ + +/* + * SHA-256 process buffer + */ +void mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *input, + size_t ilen ) +{ + size_t fill; + uint32_t left; + + if( ilen == 0 ) + return; + + left = ctx->total[0] & 0x3F; + fill = 64 - left; + + ctx->total[0] += (uint32_t) ilen; + ctx->total[0] &= 0xFFFFFFFF; + + if( ctx->total[0] < (uint32_t) ilen ) + ctx->total[1]++; + + if( left && ilen >= fill ) + { + memcpy( (void *) (ctx->buffer + left), input, fill ); + mbedtls_sha256_process( ctx, ctx->buffer ); + input += fill; + ilen -= fill; + left = 0; + } + + while( ilen >= 64 ) + { + mbedtls_sha256_process( ctx, input ); + input += 64; + ilen -= 64; + } + + if( ilen > 0 ) + memcpy( (void *) (ctx->buffer + left), input, ilen ); +} + +static const unsigned char sha256_padding[64] = +{ + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/* + * SHA-256 final digest + */ +void mbedtls_sha256_finish( mbedtls_sha256_context *ctx, unsigned char output[32] ) +{ + uint32_t last, padn; + uint32_t high, low; + unsigned char msglen[8]; + + high = ( ctx->total[0] >> 29 ) + | ( ctx->total[1] << 3 ); + low = ( ctx->total[0] << 3 ); + + PUT_UINT32_BE( high, msglen, 0 ); + PUT_UINT32_BE( low, msglen, 4 ); + + last = ctx->total[0] & 0x3F; + padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); + + mbedtls_sha256_update( ctx, sha256_padding, padn ); + mbedtls_sha256_update( ctx, msglen, 8 ); + + PUT_UINT32_BE( ctx->state[0], output, 0 ); + PUT_UINT32_BE( ctx->state[1], output, 4 ); + PUT_UINT32_BE( ctx->state[2], output, 8 ); + PUT_UINT32_BE( ctx->state[3], output, 12 ); + PUT_UINT32_BE( ctx->state[4], output, 16 ); + PUT_UINT32_BE( ctx->state[5], output, 20 ); + PUT_UINT32_BE( ctx->state[6], output, 24 ); + + if( ctx->is224 == 0 ) + PUT_UINT32_BE( ctx->state[7], output, 28 ); +} + +//#endif /* !MBEDTLS_SHA256_ALT */ + +/* + * output = SHA-256( input buffer ) + */ +void mbedtls_sha256( const unsigned char *input, size_t ilen, + unsigned char output[32], int is224 ) +{ + mbedtls_sha256_context ctx; + + mbedtls_sha256_init( &ctx ); + mbedtls_sha256_starts( &ctx, is224 ); + mbedtls_sha256_update( &ctx, input, ilen ); + mbedtls_sha256_finish( &ctx, output ); + mbedtls_sha256_free( &ctx ); +} + +//#if defined(MBEDTLS_SELF_TEST) +/* + * FIPS-180-2 test vectors + */ +static const unsigned char sha256_test_buf[3][57] = +{ + { "abc" }, + { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, + { "" } +}; + +static const int sha256_test_buflen[3] = +{ + 3, 56, 1000 +}; + +static const unsigned char sha256_test_sum[6][32] = +{ + /* + * SHA-224 test vectors + */ + { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, + 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3, + 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, + 0xE3, 0x6C, 0x9D, 0xA7 }, + { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, + 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50, + 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, + 0x52, 0x52, 0x25, 0x25 }, + { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8, + 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B, + 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE, + 0x4E, 0xE7, 0xAD, 0x67 }, + + /* + * SHA-256 test vectors + */ + { 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA, + 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23, + 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C, + 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD }, + { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8, + 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39, + 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67, + 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 }, + { 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92, + 0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67, + 0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E, + 0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 } +}; + +/* + * Checkup routine + */ +int mbedtls_sha256_self_test( int verbose ) +{ + int i, j, k, buflen, ret = 0; + unsigned char *buf; + unsigned char sha256sum[32]; + mbedtls_sha256_context ctx; + + buf = mbedtls_calloc( 1024, sizeof(unsigned char) ); + if( NULL == buf ) + { + if( verbose != 0 ) + mbedtls_printf( "Buffer allocation failed\n" ); + + return( 1 ); + } + + mbedtls_sha256_init( &ctx ); + + for( i = 0; i < 6; i++ ) + { + j = i % 3; + k = i < 3; + + if( verbose != 0 ) + mbedtls_printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 ); + + mbedtls_sha256_starts( &ctx, k ); + + if( j == 2 ) + { + memset( buf, 'a', buflen = 1000 ); + + for( j = 0; j < 1000; j++ ) + mbedtls_sha256_update( &ctx, buf, buflen ); + } + else + mbedtls_sha256_update( &ctx, sha256_test_buf[j], + sha256_test_buflen[j] ); + + mbedtls_sha256_finish( &ctx, sha256sum ); + + if( memcmp( sha256sum, sha256_test_sum[i], 32 - k * 4 ) != 0 ) + { + if( verbose != 0 ) + mbedtls_printf( "failed\n" ); + + ret = 1; + goto exit; + } + + if( verbose != 0 ) + mbedtls_printf( "passed\n" ); + } + + if( verbose != 0 ) + mbedtls_printf( "\n" ); + +exit: + mbedtls_sha256_free( &ctx ); + mbedtls_free( buf ); + + return( ret ); +} + +//#endif /* MBEDTLS_SELF_TEST */ + +//#endif /* MBEDTLS_SHA256_C */ \ No newline at end of file
diff -r 2cec76fea11b -r d0516dc143b1 newSha256.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/newSha256.h Wed May 10 18:20:47 2017 +0000 @@ -0,0 +1,141 @@ +/** + * \file sha256.h + * + * \brief SHA-224 and SHA-256 cryptographic hash function + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +#ifndef NEW_MBEDTLS_SHA256_H +#define NEW_MBEDTLS_SHA256_H + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#include <stddef.h> +#include <stdint.h> + +#if !defined(MBEDTLS_SHA256_ALT) +// Regular implementation +// + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief SHA-256 context structure + */ +typedef struct +{ + uint32_t total[2]; /*!< number of bytes processed */ + uint32_t state[8]; /*!< intermediate digest state */ + unsigned char buffer[64]; /*!< data block being processed */ + int is224; /*!< 0 => SHA-256, else SHA-224 */ +} +mbedtls_sha256_context; + +/** + * \brief Initialize SHA-256 context + * + * \param ctx SHA-256 context to be initialized + */ +void mbedtls_sha256_init( mbedtls_sha256_context *ctx ); + +/** + * \brief Clear SHA-256 context + * + * \param ctx SHA-256 context to be cleared + */ +void mbedtls_sha256_free( mbedtls_sha256_context *ctx ); + +/** + * \brief Clone (the state of) a SHA-256 context + * + * \param dst The destination context + * \param src The context to be cloned + */ +void mbedtls_sha256_clone( mbedtls_sha256_context *dst, + const mbedtls_sha256_context *src ); + +/** + * \brief SHA-256 context setup + * + * \param ctx context to be initialized + * \param is224 0 = use SHA256, 1 = use SHA224 + */ +void mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 ); + +/** + * \brief SHA-256 process buffer + * + * \param ctx SHA-256 context + * \param input buffer holding the data + * \param ilen length of the input data + */ +void mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *input, + size_t ilen ); + +/** + * \brief SHA-256 final digest + * + * \param ctx SHA-256 context + * \param output SHA-224/256 checksum result + */ +void mbedtls_sha256_finish( mbedtls_sha256_context *ctx, unsigned char output[32] ); + +/* Internal use */ +void mbedtls_sha256_process( mbedtls_sha256_context *ctx, const unsigned char data[64] ); + +#ifdef __cplusplus +} +#endif + +#else /* MBEDTLS_SHA256_ALT */ +#include "sha256_alt.h" +#endif /* MBEDTLS_SHA256_ALT */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Output = SHA-256( input buffer ) + * + * \param input buffer holding the data + * \param ilen length of the input data + * \param output SHA-224/256 checksum result + * \param is224 0 = use SHA256, 1 = use SHA224 + */ +void mbedtls_sha256( const unsigned char *input, size_t ilen, + unsigned char output[32], int is224 ); + +/** + * \brief Checkup routine + * + * \return 0 if successful, or 1 if the test failed + */ +int mbedtls_sha256_self_test( int verbose ); + +#ifdef __cplusplus +} +#endif + +#endif /* mbedtls_sha256.h */ \ No newline at end of file
diff -r 2cec76fea11b -r d0516dc143b1 sha512.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sha512.c Wed May 10 18:20:47 2017 +0000 @@ -0,0 +1,512 @@ +/* + * FIPS-180-2 compliant SHA-384/512 implementation + * + * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may + * not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT + * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * This file is part of mbed TLS (https://tls.mbed.org) + */ +/* + * The SHA-512 Secure Hash Standard was published by NIST in 2002. + * + * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf + */ + +#if !defined(MBEDTLS_CONFIG_FILE) +#include "config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +//#if defined(MBEDTLS_SHA512_C) + +#include "sha512.h" + +#if defined(_MSC_VER) || defined(__WATCOMC__) + #define UL64(x) x##ui64 +#else + #define UL64(x) x##ULL +#endif + +#include <string.h> + +#if defined(MBEDTLS_SELF_TEST) +#if defined(MBEDTLS_PLATFORM_C) +#include <stdio.h> +#include <stdlib.h> +#define mbedtls_printf printf +#define mbedtls_calloc calloc +#define mbedtls_free free +#endif /* MBEDTLS_PLATFORM_C */ +#endif /* MBEDTLS_SELF_TEST */ + +#if !defined(MBEDTLS_SHA512_ALT) + +/* Implementation that should never be optimized out by the compiler */ +static void mbedtls_zeroize( void *v, size_t n ) { + volatile unsigned char *p = v; while( n-- ) *p++ = 0; +} + +/* + * 64-bit integer manipulation macros (big endian) + */ +#ifndef GET_UINT64_BE +#define GET_UINT64_BE(n,b,i) \ +{ \ + (n) = ( (uint64_t) (b)[(i) ] << 56 ) \ + | ( (uint64_t) (b)[(i) + 1] << 48 ) \ + | ( (uint64_t) (b)[(i) + 2] << 40 ) \ + | ( (uint64_t) (b)[(i) + 3] << 32 ) \ + | ( (uint64_t) (b)[(i) + 4] << 24 ) \ + | ( (uint64_t) (b)[(i) + 5] << 16 ) \ + | ( (uint64_t) (b)[(i) + 6] << 8 ) \ + | ( (uint64_t) (b)[(i) + 7] ); \ +} +#endif /* GET_UINT64_BE */ + +#ifndef PUT_UINT64_BE +#define PUT_UINT64_BE(n,b,i) \ +{ \ + (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \ + (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \ + (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \ + (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \ + (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \ + (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \ + (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \ + (b)[(i) + 7] = (unsigned char) ( (n) ); \ +} +#endif /* PUT_UINT64_BE */ + +void mbedtls_sha512_init( mbedtls_sha512_context *ctx ) +{ + memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); +} + +void mbedtls_sha512_free( mbedtls_sha512_context *ctx ) +{ + if( ctx == NULL ) + return; + + mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); +} + +void mbedtls_sha512_clone( mbedtls_sha512_context *dst, + const mbedtls_sha512_context *src ) +{ + *dst = *src; +} + +/* + * SHA-512 context setup + */ +void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 ) +{ + ctx->total[0] = 0; + ctx->total[1] = 0; + + if( is384 == 0 ) + { + /* SHA-512 */ + ctx->state[0] = UL64(0x6A09E667F3BCC908); + ctx->state[1] = UL64(0xBB67AE8584CAA73B); + ctx->state[2] = UL64(0x3C6EF372FE94F82B); + ctx->state[3] = UL64(0xA54FF53A5F1D36F1); + ctx->state[4] = UL64(0x510E527FADE682D1); + ctx->state[5] = UL64(0x9B05688C2B3E6C1F); + ctx->state[6] = UL64(0x1F83D9ABFB41BD6B); + ctx->state[7] = UL64(0x5BE0CD19137E2179); + } + else + { + /* SHA-384 */ + ctx->state[0] = UL64(0xCBBB9D5DC1059ED8); + ctx->state[1] = UL64(0x629A292A367CD507); + ctx->state[2] = UL64(0x9159015A3070DD17); + ctx->state[3] = UL64(0x152FECD8F70E5939); + ctx->state[4] = UL64(0x67332667FFC00B31); + ctx->state[5] = UL64(0x8EB44A8768581511); + ctx->state[6] = UL64(0xDB0C2E0D64F98FA7); + ctx->state[7] = UL64(0x47B5481DBEFA4FA4); + } + + ctx->is384 = is384; +} + +#if !defined(MBEDTLS_SHA512_PROCESS_ALT) + +/* + * Round constants + */ +static const uint64_t K[80] = +{ + UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD), + UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC), + UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019), + UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118), + UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE), + UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2), + UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1), + UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694), + UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3), + UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65), + UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483), + UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5), + UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210), + UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4), + UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725), + UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70), + UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926), + UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF), + UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8), + UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B), + UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001), + UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30), + UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910), + UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8), + UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53), + UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8), + UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB), + UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3), + UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60), + UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC), + UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9), + UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B), + UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207), + UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178), + UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6), + UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B), + UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493), + UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C), + UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A), + UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817) +}; + +void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ) +{ + int i; + uint64_t temp1, temp2, W[80]; + uint64_t A, B, C, D, E, F, G, H; + +#define SHR(x,n) (x >> n) +#define ROTR(x,n) (SHR(x,n) | (x << (64 - n))) + +#define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7)) +#define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6)) + +#define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39)) +#define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41)) + +#define F0(x,y,z) ((x & y) | (z & (x | y))) +#define F1(x,y,z) (z ^ (x & (y ^ z))) + +#define P(a,b,c,d,e,f,g,h,x,K) \ +{ \ + temp1 = h + S3(e) + F1(e,f,g) + K + x; \ + temp2 = S2(a) + F0(a,b,c); \ + d += temp1; h = temp1 + temp2; \ +} + + for( i = 0; i < 16; i++ ) + { + GET_UINT64_BE( W[i], data, i << 3 ); + } + + for( ; i < 80; i++ ) + { + W[i] = S1(W[i - 2]) + W[i - 7] + + S0(W[i - 15]) + W[i - 16]; + } + + A = ctx->state[0]; + B = ctx->state[1]; + C = ctx->state[2]; + D = ctx->state[3]; + E = ctx->state[4]; + F = ctx->state[5]; + G = ctx->state[6]; + H = ctx->state[7]; + i = 0; + + do + { + P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++; + P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++; + P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++; + P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++; + P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++; + P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++; + P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++; + P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++; + } + while( i < 80 ); + + ctx->state[0] += A; + ctx->state[1] += B; + ctx->state[2] += C; + ctx->state[3] += D; + ctx->state[4] += E; + ctx->state[5] += F; + ctx->state[6] += G; + ctx->state[7] += H; +} +#endif /* !MBEDTLS_SHA512_PROCESS_ALT */ + +/* + * SHA-512 process buffer + */ +void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input, + size_t ilen ) +{ + size_t fill; + unsigned int left; + + if( ilen == 0 ) + return; + + left = (unsigned int) (ctx->total[0] & 0x7F); + fill = 128 - left; + + ctx->total[0] += (uint64_t) ilen; + + if( ctx->total[0] < (uint64_t) ilen ) + ctx->total[1]++; + + if( left && ilen >= fill ) + { + memcpy( (void *) (ctx->buffer + left), input, fill ); + mbedtls_sha512_process( ctx, ctx->buffer ); + input += fill; + ilen -= fill; + left = 0; + } + + while( ilen >= 128 ) + { + mbedtls_sha512_process( ctx, input ); + input += 128; + ilen -= 128; + } + + if( ilen > 0 ) + memcpy( (void *) (ctx->buffer + left), input, ilen ); +} + +static const unsigned char sha512_padding[128] = +{ + 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +/* + * SHA-512 final digest + */ +void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] ) +{ + size_t last, padn; + uint64_t high, low; + unsigned char msglen[16]; + + high = ( ctx->total[0] >> 61 ) + | ( ctx->total[1] << 3 ); + low = ( ctx->total[0] << 3 ); + + PUT_UINT64_BE( high, msglen, 0 ); + PUT_UINT64_BE( low, msglen, 8 ); + + last = (size_t)( ctx->total[0] & 0x7F ); + padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last ); + + mbedtls_sha512_update( ctx, sha512_padding, padn ); + mbedtls_sha512_update( ctx, msglen, 16 ); + + PUT_UINT64_BE( ctx->state[0], output, 0 ); + PUT_UINT64_BE( ctx->state[1], output, 8 ); + PUT_UINT64_BE( ctx->state[2], output, 16 ); + PUT_UINT64_BE( ctx->state[3], output, 24 ); + PUT_UINT64_BE( ctx->state[4], output, 32 ); + PUT_UINT64_BE( ctx->state[5], output, 40 ); + + if( ctx->is384 == 0 ) + { + PUT_UINT64_BE( ctx->state[6], output, 48 ); + PUT_UINT64_BE( ctx->state[7], output, 56 ); + } +} + +#endif /* !MBEDTLS_SHA512_ALT */ + +/* + * output = SHA-512( input buffer ) + */ +void mbedtls_sha512( const unsigned char *input, size_t ilen, + unsigned char output[64], int is384 ) +{ + mbedtls_sha512_context ctx; + + mbedtls_sha512_init( &ctx ); + mbedtls_sha512_starts( &ctx, is384 ); + mbedtls_sha512_update( &ctx, input, ilen ); + mbedtls_sha512_finish( &ctx, output ); + mbedtls_sha512_free( &ctx ); +} + +#if defined(MBEDTLS_SELF_TEST) + +/* + * FIPS-180-2 test vectors + */ +static const unsigned char sha512_test_buf[3][113] = +{ + { "abc" }, + { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" + "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }, + { "" } +}; + +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 ); + + mbedtls_sha512_starts( &ctx, k ); + + if( j == 2 ) + { + memset( buf, 'a', buflen = 1000 ); + + for( j = 0; j < 1000; j++ ) + mbedtls_sha512_update( &ctx, buf, buflen ); + } + else + mbedtls_sha512_update( &ctx, sha512_test_buf[j], + sha512_test_buflen[j] ); + + mbedtls_sha512_finish( &ctx, sha512sum ); + + if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 ) + { + if( verbose != 0 ) + mbedtls_printf( "failed\n" ); + + ret = 1; + goto exit; + } + + if( verbose != 0 ) + mbedtls_printf( "passed\n" ); + } + + if( verbose != 0 ) + mbedtls_printf( "\n" ); + +exit: + mbedtls_sha512_free( &ctx ); + mbedtls_free( buf ); + + return( ret ); +} + +#endif /* MBEDTLS_SELF_TEST */ + +//#endif /* MBEDTLS_SHA512_C */ \ No newline at end of file