diff options
Diffstat (limited to 'thirdparty/mbedtls/library/sha512.c')
| -rw-r--r-- | thirdparty/mbedtls/library/sha512.c | 604 | 
1 files changed, 604 insertions, 0 deletions
diff --git a/thirdparty/mbedtls/library/sha512.c b/thirdparty/mbedtls/library/sha512.c new file mode 100644 index 0000000000..97cee07c56 --- /dev/null +++ b/thirdparty/mbedtls/library/sha512.c @@ -0,0 +1,604 @@ +/* + *  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 "mbedtls/config.h" +#else +#include MBEDTLS_CONFIG_FILE +#endif + +#if defined(MBEDTLS_SHA512_C) + +#include "mbedtls/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 "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_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 + */ +int mbedtls_sha512_starts_ret( 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; + +    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; +    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; + +    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; +    size_t fill; +    unsigned int left; + +    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 + +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 + */ +int mbedtls_sha512_finish_ret( mbedtls_sha512_context *ctx, +                               unsigned char output[64] ) +{ +    int ret; +    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 ); + +    if( ( ret = mbedtls_sha512_update_ret( ctx, sha512_padding, padn ) ) != 0 ) +            return( ret ); + +    if( ( ret = mbedtls_sha512_update_ret( ctx, msglen, 16 ) ) != 0 ) +            return( ret ); + +    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 ); +    } + +    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_sha512_context ctx; + +    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" }, +    { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" +      "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }, +    { "" } +}; + +static const size_t 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( ( 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 ); +} + +#endif /* MBEDTLS_SELF_TEST */ + +#endif /* MBEDTLS_SHA512_C */  |