/* * FIPS-180-2 compliant SHA-384/512 implementation * * Copyright The Mbed TLS Contributors * 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. */ /* * The SHA-512 Secure Hash Standard was published by NIST in 2002. * * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf */ #include "common.h" #if defined(MBEDTLS_SHA512_C) #include "mbedtls/sha512.h" #include "mbedtls/platform_util.h" #include "mbedtls/error.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 "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 */ #define SHA512_VALIDATE_RET(cond) \ MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA512_BAD_INPUT_DATA ) #define SHA512_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond ) #if !defined(MBEDTLS_SHA512_ALT) /* * 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 */ #if defined(MBEDTLS_SHA512_SMALLER) static void sha512_put_uint64_be( uint64_t n, unsigned char *b, uint8_t i ) { PUT_UINT64_BE(n, b, i); } #else #define sha512_put_uint64_be PUT_UINT64_BE #endif /* MBEDTLS_SHA512_SMALLER */ void mbedtls_sha512_init( mbedtls_sha512_context *ctx ) { SHA512_VALIDATE( ctx != NULL ); memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); } void mbedtls_sha512_free( mbedtls_sha512_context *ctx ) { if( ctx == NULL ) return; mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); } void mbedtls_sha512_clone( mbedtls_sha512_context *dst, const mbedtls_sha512_context *src ) { SHA512_VALIDATE( dst != NULL ); SHA512_VALIDATE( src != NULL ); *dst = *src; } /* * SHA-512 context setup */ int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 ) { SHA512_VALIDATE_RET( ctx != NULL ); #if !defined(MBEDTLS_SHA512_NO_SHA384) SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 ); #else SHA512_VALIDATE_RET( is384 == 0 ); #endif 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 { #if defined(MBEDTLS_SHA512_NO_SHA384) return( MBEDTLS_ERR_SHA512_BAD_INPUT_DATA ); #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); #endif /* MBEDTLS_SHA512_NO_SHA384 */ } #if !defined(MBEDTLS_SHA512_NO_SHA384) ctx->is384 = is384; #endif return( 0 ); } #if !defined(MBEDTLS_DEPRECATED_REMOVED) void mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 ) { mbedtls_sha512_starts_ret( ctx, is384 ); } #endif #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) }; int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ) { int i; struct { uint64_t temp1, temp2, W[80]; uint64_t A[8]; } local; SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET( (const unsigned char *)data != NULL ); #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) \ do \ { \ local.temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \ local.temp2 = S2(a) + F0((a),(b),(c)); \ (d) += local.temp1; (h) = local.temp1 + local.temp2; \ } while( 0 ) for( i = 0; i < 8; i++ ) local.A[i] = ctx->state[i]; #if defined(MBEDTLS_SHA512_SMALLER) for( i = 0; i < 80; i++ ) { if( i < 16 ) { GET_UINT64_BE( local.W[i], data, i << 3 ); } else { local.W[i] = S1(local.W[i - 2]) + local.W[i - 7] + S0(local.W[i - 15]) + local.W[i - 16]; } P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], local.W[i], K[i] ); local.temp1 = local.A[7]; local.A[7] = local.A[6]; local.A[6] = local.A[5]; local.A[5] = local.A[4]; local.A[4] = local.A[3]; local.A[3] = local.A[2]; local.A[2] = local.A[1]; local.A[1] = local.A[0]; local.A[0] = local.temp1; } #else /* MBEDTLS_SHA512_SMALLER */ for( i = 0; i < 16; i++ ) { GET_UINT64_BE( local.W[i], data, i << 3 ); } for( ; i < 80; i++ ) { local.W[i] = S1(local.W[i - 2]) + local.W[i - 7] + S0(local.W[i - 15]) + local.W[i - 16]; } i = 0; do { P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], local.W[i], K[i] ); i++; P( local.A[7], local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], local.W[i], K[i] ); i++; P( local.A[6], local.A[7], local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], local.W[i], K[i] ); i++; P( local.A[5], local.A[6], local.A[7], local.A[0], local.A[1], local.A[2], local.A[3], local.A[4], local.W[i], K[i] ); i++; P( local.A[4], local.A[5], local.A[6], local.A[7], local.A[0], local.A[1], local.A[2], local.A[3], local.W[i], K[i] ); i++; P( local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], local.A[0], local.A[1], local.A[2], local.W[i], K[i] ); i++; P( local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], local.A[0], local.A[1], local.W[i], K[i] ); i++; P( local.A[1], local.A[2], local.A[3], local.A[4], local.A[5], local.A[6], local.A[7], local.A[0], local.W[i], K[i] ); i++; } while( i < 80 ); #endif /* MBEDTLS_SHA512_SMALLER */ for( i = 0; i < 8; i++ ) ctx->state[i] += local.A[i]; /* Zeroise buffers and variables to clear sensitive data from memory. */ mbedtls_platform_zeroize( &local, sizeof( local ) ); return( 0 ); } #if !defined(MBEDTLS_DEPRECATED_REMOVED) void mbedtls_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ) { mbedtls_internal_sha512_process( ctx, data ); } #endif #endif /* !MBEDTLS_SHA512_PROCESS_ALT */ /* * SHA-512 process buffer */ int mbedtls_sha512_update_ret( mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t fill; unsigned int left; SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET( ilen == 0 || input != NULL ); if( ilen == 0 ) return( 0 ); 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 ); if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) return( ret ); input += fill; ilen -= fill; left = 0; } while( ilen >= 128 ) { if( ( ret = mbedtls_internal_sha512_process( ctx, input ) ) != 0 ) return( ret ); input += 128; ilen -= 128; } if( ilen > 0 ) memcpy( (void *) (ctx->buffer + left), input, ilen ); return( 0 ); } #if !defined(MBEDTLS_DEPRECATED_REMOVED) void mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen ) { mbedtls_sha512_update_ret( ctx, input, ilen ); } #endif /* * SHA-512 final digest */ int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx, unsigned char output[64] ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; unsigned used; uint64_t high, low; SHA512_VALIDATE_RET( ctx != NULL ); SHA512_VALIDATE_RET( (unsigned char *)output != NULL ); /* * Add padding: 0x80 then 0x00 until 16 bytes remain for the length */ used = ctx->total[0] & 0x7F; ctx->buffer[used++] = 0x80; if( used <= 112 ) { /* Enough room for padding + length in current block */ memset( ctx->buffer + used, 0, 112 - used ); } else { /* We'll need an extra block */ memset( ctx->buffer + used, 0, 128 - used ); if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) return( ret ); memset( ctx->buffer, 0, 112 ); } /* * Add message length */ high = ( ctx->total[0] >> 61 ) | ( ctx->total[1] << 3 ); low = ( ctx->total[0] << 3 ); sha512_put_uint64_be( high, ctx->buffer, 112 ); sha512_put_uint64_be( low, ctx->buffer, 120 ); if( ( ret = mbedtls_internal_sha512_process( ctx, ctx->buffer ) ) != 0 ) return( ret ); /* * Output final state */ sha512_put_uint64_be( ctx->state[0], output, 0 ); sha512_put_uint64_be( ctx->state[1], output, 8 ); sha512_put_uint64_be( ctx->state[2], output, 16 ); sha512_put_uint64_be( ctx->state[3], output, 24 ); sha512_put_uint64_be( ctx->state[4], output, 32 ); sha512_put_uint64_be( ctx->state[5], output, 40 ); #if !defined(MBEDTLS_SHA512_NO_SHA384) if( ctx->is384 == 0 ) #endif { sha512_put_uint64_be( ctx->state[6], output, 48 ); sha512_put_uint64_be( ctx->state[7], output, 56 ); } return( 0 ); } #if !defined(MBEDTLS_DEPRECATED_REMOVED) void mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char output[64] ) { mbedtls_sha512_finish_ret( ctx, output ); } #endif #endif /* !MBEDTLS_SHA512_ALT */ /* * output = SHA-512( input buffer ) */ int mbedtls_sha512_ret( const unsigned char *input, size_t ilen, unsigned char output[64], int is384 ) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_sha512_context ctx; #if !defined(MBEDTLS_SHA512_NO_SHA384) SHA512_VALIDATE_RET( is384 == 0 || is384 == 1 ); #else SHA512_VALIDATE_RET( is384 == 0 ); #endif SHA512_VALIDATE_RET( ilen == 0 || input != NULL ); SHA512_VALIDATE_RET( (unsigned char *)output != NULL ); mbedtls_sha512_init( &ctx ); if( ( ret = mbedtls_sha512_starts_ret( &ctx, is384 ) ) != 0 ) goto exit; if( ( ret = mbedtls_sha512_update_ret( &ctx, input, ilen ) ) != 0 ) goto exit; if( ( ret = mbedtls_sha512_finish_ret( &ctx, output ) ) != 0 ) goto exit; exit: mbedtls_sha512_free( &ctx ); return( ret ); } #if !defined(MBEDTLS_DEPRECATED_REMOVED) void mbedtls_sha512( const unsigned char *input, size_t ilen, unsigned char output[64], int is384 ) { mbedtls_sha512_ret( input, ilen, output, is384 ); } #endif #if defined(MBEDTLS_SELF_TEST) /* * FIPS-180-2 test vectors */ static const unsigned char sha512_test_buf[3][113] = { { "abc" }, { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }, { "" } }; static const size_t sha512_test_buflen[3] = { 3, 112, 1000 }; static const unsigned char sha512_test_sum[][64] = { #if !defined(MBEDTLS_SHA512_NO_SHA384) /* * 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 }, #endif /* !MBEDTLS_SHA512_NO_SHA384 */ /* * 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 } }; #define ARRAY_LENGTH( a ) ( sizeof( a ) / sizeof( ( a )[0] ) ) /* * 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 < (int) ARRAY_LENGTH(sha512_test_sum); i++ ) { j = i % 3; #if !defined(MBEDTLS_SHA512_NO_SHA384) k = i < 3; #else k = 0; #endif if( verbose != 0 ) mbedtls_printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 ); if( ( ret = mbedtls_sha512_starts_ret( &ctx, k ) ) != 0 ) goto fail; if( j == 2 ) { memset( buf, 'a', buflen = 1000 ); for( j = 0; j < 1000; j++ ) { ret = mbedtls_sha512_update_ret( &ctx, buf, buflen ); if( ret != 0 ) goto fail; } } else { ret = mbedtls_sha512_update_ret( &ctx, sha512_test_buf[j], sha512_test_buflen[j] ); if( ret != 0 ) goto fail; } if( ( ret = mbedtls_sha512_finish_ret( &ctx, sha512sum ) ) != 0 ) goto fail; if( memcmp( sha512sum, sha512_test_sum[i], 64 - k * 16 ) != 0 ) { ret = 1; 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" ); exit: mbedtls_sha512_free( &ctx ); mbedtls_free( buf ); return( ret ); } #undef ARRAY_LENGTH #endif /* MBEDTLS_SELF_TEST */ #endif /* MBEDTLS_SHA512_C */