diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/library/sha1.c')
-rw-r--r-- | lib/mbedtls-2.27.0/library/sha1.c | 576 |
1 files changed, 0 insertions, 576 deletions
diff --git a/lib/mbedtls-2.27.0/library/sha1.c b/lib/mbedtls-2.27.0/library/sha1.c deleted file mode 100644 index 6b0f58e..0000000 --- a/lib/mbedtls-2.27.0/library/sha1.c +++ /dev/null @@ -1,576 +0,0 @@ -/* - * FIPS-180-1 compliant SHA-1 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-1 standard was published by NIST in 1993. - * - * http://www.itl.nist.gov/fipspubs/fip180-1.htm - */ - -#include "common.h" - -#if defined(MBEDTLS_SHA1_C) - -#include "mbedtls/sha1.h" -#include "mbedtls/platform_util.h" -#include "mbedtls/error.h" - -#include <string.h> - -#if defined(MBEDTLS_SELF_TEST) -#if defined(MBEDTLS_PLATFORM_C) -#include "mbedtls/platform.h" -#else -#include <stdio.h> -#define mbedtls_printf printf -#endif /* MBEDTLS_PLATFORM_C */ -#endif /* MBEDTLS_SELF_TEST */ - -#define SHA1_VALIDATE_RET(cond) \ - MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA1_BAD_INPUT_DATA ) - -#define SHA1_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond ) - -#if !defined(MBEDTLS_SHA1_ALT) - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_UINT32_BE -#define GET_UINT32_BE(n,b,i) \ -{ \ - (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ - | ( (uint32_t) (b)[(i) + 1] << 16 ) \ - | ( (uint32_t) (b)[(i) + 2] << 8 ) \ - | ( (uint32_t) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_UINT32_BE -#define PUT_UINT32_BE(n,b,i) \ -{ \ - (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) ); \ -} -#endif - -void mbedtls_sha1_init( mbedtls_sha1_context *ctx ) -{ - SHA1_VALIDATE( ctx != NULL ); - - memset( ctx, 0, sizeof( mbedtls_sha1_context ) ); -} - -void mbedtls_sha1_free( mbedtls_sha1_context *ctx ) -{ - if( ctx == NULL ) - return; - - mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) ); -} - -void mbedtls_sha1_clone( mbedtls_sha1_context *dst, - const mbedtls_sha1_context *src ) -{ - SHA1_VALIDATE( dst != NULL ); - SHA1_VALIDATE( src != NULL ); - - *dst = *src; -} - -/* - * SHA-1 context setup - */ -int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx ) -{ - SHA1_VALIDATE_RET( ctx != NULL ); - - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; - ctx->state[4] = 0xC3D2E1F0; - - return( 0 ); -} - -#if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_starts( mbedtls_sha1_context *ctx ) -{ - mbedtls_sha1_starts_ret( ctx ); -} -#endif - -#if !defined(MBEDTLS_SHA1_PROCESS_ALT) -int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, - const unsigned char data[64] ) -{ - struct - { - uint32_t temp, W[16], A, B, C, D, E; - } local; - - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( (const unsigned char *)data != NULL ); - - GET_UINT32_BE( local.W[ 0], data, 0 ); - GET_UINT32_BE( local.W[ 1], data, 4 ); - GET_UINT32_BE( local.W[ 2], data, 8 ); - GET_UINT32_BE( local.W[ 3], data, 12 ); - GET_UINT32_BE( local.W[ 4], data, 16 ); - GET_UINT32_BE( local.W[ 5], data, 20 ); - GET_UINT32_BE( local.W[ 6], data, 24 ); - GET_UINT32_BE( local.W[ 7], data, 28 ); - GET_UINT32_BE( local.W[ 8], data, 32 ); - GET_UINT32_BE( local.W[ 9], data, 36 ); - GET_UINT32_BE( local.W[10], data, 40 ); - GET_UINT32_BE( local.W[11], data, 44 ); - GET_UINT32_BE( local.W[12], data, 48 ); - GET_UINT32_BE( local.W[13], data, 52 ); - GET_UINT32_BE( local.W[14], data, 56 ); - GET_UINT32_BE( local.W[15], data, 60 ); - -#define S(x,n) (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n)))) - -#define R(t) \ - ( \ - local.temp = local.W[( (t) - 3 ) & 0x0F] ^ \ - local.W[( (t) - 8 ) & 0x0F] ^ \ - local.W[( (t) - 14 ) & 0x0F] ^ \ - local.W[ (t) & 0x0F], \ - ( local.W[(t) & 0x0F] = S(local.temp,1) ) \ - ) - -#define P(a,b,c,d,e,x) \ - do \ - { \ - (e) += S((a),5) + F((b),(c),(d)) + K + (x); \ - (b) = S((b),30); \ - } while( 0 ) - - local.A = ctx->state[0]; - local.B = ctx->state[1]; - local.C = ctx->state[2]; - local.D = ctx->state[3]; - local.E = ctx->state[4]; - -#define F(x,y,z) ((z) ^ ((x) & ((y) ^ (z)))) -#define K 0x5A827999 - - P( local.A, local.B, local.C, local.D, local.E, local.W[0] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[1] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[2] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[3] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[4] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[5] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[6] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[7] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[8] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[9] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[10] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[11] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[12] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[13] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[14] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[15] ); - P( local.E, local.A, local.B, local.C, local.D, R(16) ); - P( local.D, local.E, local.A, local.B, local.C, R(17) ); - P( local.C, local.D, local.E, local.A, local.B, R(18) ); - P( local.B, local.C, local.D, local.E, local.A, R(19) ); - -#undef K -#undef F - -#define F(x,y,z) ((x) ^ (y) ^ (z)) -#define K 0x6ED9EBA1 - - P( local.A, local.B, local.C, local.D, local.E, R(20) ); - P( local.E, local.A, local.B, local.C, local.D, R(21) ); - P( local.D, local.E, local.A, local.B, local.C, R(22) ); - P( local.C, local.D, local.E, local.A, local.B, R(23) ); - P( local.B, local.C, local.D, local.E, local.A, R(24) ); - P( local.A, local.B, local.C, local.D, local.E, R(25) ); - P( local.E, local.A, local.B, local.C, local.D, R(26) ); - P( local.D, local.E, local.A, local.B, local.C, R(27) ); - P( local.C, local.D, local.E, local.A, local.B, R(28) ); - P( local.B, local.C, local.D, local.E, local.A, R(29) ); - P( local.A, local.B, local.C, local.D, local.E, R(30) ); - P( local.E, local.A, local.B, local.C, local.D, R(31) ); - P( local.D, local.E, local.A, local.B, local.C, R(32) ); - P( local.C, local.D, local.E, local.A, local.B, R(33) ); - P( local.B, local.C, local.D, local.E, local.A, R(34) ); - P( local.A, local.B, local.C, local.D, local.E, R(35) ); - P( local.E, local.A, local.B, local.C, local.D, R(36) ); - P( local.D, local.E, local.A, local.B, local.C, R(37) ); - P( local.C, local.D, local.E, local.A, local.B, R(38) ); - P( local.B, local.C, local.D, local.E, local.A, R(39) ); - -#undef K -#undef F - -#define F(x,y,z) (((x) & (y)) | ((z) & ((x) | (y)))) -#define K 0x8F1BBCDC - - P( local.A, local.B, local.C, local.D, local.E, R(40) ); - P( local.E, local.A, local.B, local.C, local.D, R(41) ); - P( local.D, local.E, local.A, local.B, local.C, R(42) ); - P( local.C, local.D, local.E, local.A, local.B, R(43) ); - P( local.B, local.C, local.D, local.E, local.A, R(44) ); - P( local.A, local.B, local.C, local.D, local.E, R(45) ); - P( local.E, local.A, local.B, local.C, local.D, R(46) ); - P( local.D, local.E, local.A, local.B, local.C, R(47) ); - P( local.C, local.D, local.E, local.A, local.B, R(48) ); - P( local.B, local.C, local.D, local.E, local.A, R(49) ); - P( local.A, local.B, local.C, local.D, local.E, R(50) ); - P( local.E, local.A, local.B, local.C, local.D, R(51) ); - P( local.D, local.E, local.A, local.B, local.C, R(52) ); - P( local.C, local.D, local.E, local.A, local.B, R(53) ); - P( local.B, local.C, local.D, local.E, local.A, R(54) ); - P( local.A, local.B, local.C, local.D, local.E, R(55) ); - P( local.E, local.A, local.B, local.C, local.D, R(56) ); - P( local.D, local.E, local.A, local.B, local.C, R(57) ); - P( local.C, local.D, local.E, local.A, local.B, R(58) ); - P( local.B, local.C, local.D, local.E, local.A, R(59) ); - -#undef K -#undef F - -#define F(x,y,z) ((x) ^ (y) ^ (z)) -#define K 0xCA62C1D6 - - P( local.A, local.B, local.C, local.D, local.E, R(60) ); - P( local.E, local.A, local.B, local.C, local.D, R(61) ); - P( local.D, local.E, local.A, local.B, local.C, R(62) ); - P( local.C, local.D, local.E, local.A, local.B, R(63) ); - P( local.B, local.C, local.D, local.E, local.A, R(64) ); - P( local.A, local.B, local.C, local.D, local.E, R(65) ); - P( local.E, local.A, local.B, local.C, local.D, R(66) ); - P( local.D, local.E, local.A, local.B, local.C, R(67) ); - P( local.C, local.D, local.E, local.A, local.B, R(68) ); - P( local.B, local.C, local.D, local.E, local.A, R(69) ); - P( local.A, local.B, local.C, local.D, local.E, R(70) ); - P( local.E, local.A, local.B, local.C, local.D, R(71) ); - P( local.D, local.E, local.A, local.B, local.C, R(72) ); - P( local.C, local.D, local.E, local.A, local.B, R(73) ); - P( local.B, local.C, local.D, local.E, local.A, R(74) ); - P( local.A, local.B, local.C, local.D, local.E, R(75) ); - P( local.E, local.A, local.B, local.C, local.D, R(76) ); - P( local.D, local.E, local.A, local.B, local.C, R(77) ); - P( local.C, local.D, local.E, local.A, local.B, R(78) ); - P( local.B, local.C, local.D, local.E, local.A, R(79) ); - -#undef K -#undef F - - ctx->state[0] += local.A; - ctx->state[1] += local.B; - ctx->state[2] += local.C; - ctx->state[3] += local.D; - ctx->state[4] += local.E; - - /* 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_sha1_process( mbedtls_sha1_context *ctx, - const unsigned char data[64] ) -{ - mbedtls_internal_sha1_process( ctx, data ); -} -#endif -#endif /* !MBEDTLS_SHA1_PROCESS_ALT */ - -/* - * SHA-1 process buffer - */ -int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx, - const unsigned char *input, - size_t ilen ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t fill; - uint32_t left; - - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( ilen == 0 || input != NULL ); - - if( ilen == 0 ) - return( 0 ); - - 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 ); - - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); - - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - if( ( ret = mbedtls_internal_sha1_process( ctx, input ) ) != 0 ) - return( ret ); - - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - memcpy( (void *) (ctx->buffer + left), input, ilen ); - - return( 0 ); -} - -#if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_update( mbedtls_sha1_context *ctx, - const unsigned char *input, - size_t ilen ) -{ - mbedtls_sha1_update_ret( ctx, input, ilen ); -} -#endif - -/* - * SHA-1 final digest - */ -int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx, - unsigned char output[20] ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - uint32_t used; - uint32_t high, low; - - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( (unsigned char *)output != NULL ); - - /* - * Add padding: 0x80 then 0x00 until 8 bytes remain for the length - */ - used = ctx->total[0] & 0x3F; - - ctx->buffer[used++] = 0x80; - - if( used <= 56 ) - { - /* Enough room for padding + length in current block */ - memset( ctx->buffer + used, 0, 56 - used ); - } - else - { - /* We'll need an extra block */ - memset( ctx->buffer + used, 0, 64 - used ); - - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); - - memset( ctx->buffer, 0, 56 ); - } - - /* - * Add message length - */ - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_UINT32_BE( high, ctx->buffer, 56 ); - PUT_UINT32_BE( low, ctx->buffer, 60 ); - - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); - - /* - * Output final state - */ - 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 ); - - return( 0 ); -} - -#if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, - unsigned char output[20] ) -{ - mbedtls_sha1_finish_ret( ctx, output ); -} -#endif - -#endif /* !MBEDTLS_SHA1_ALT */ - -/* - * output = SHA-1( input buffer ) - */ -int mbedtls_sha1_ret( const unsigned char *input, - size_t ilen, - unsigned char output[20] ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - mbedtls_sha1_context ctx; - - SHA1_VALIDATE_RET( ilen == 0 || input != NULL ); - SHA1_VALIDATE_RET( (unsigned char *)output != NULL ); - - mbedtls_sha1_init( &ctx ); - - if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 ) - goto exit; - - if( ( ret = mbedtls_sha1_update_ret( &ctx, input, ilen ) ) != 0 ) - goto exit; - - if( ( ret = mbedtls_sha1_finish_ret( &ctx, output ) ) != 0 ) - goto exit; - -exit: - mbedtls_sha1_free( &ctx ); - - return( ret ); -} - -#if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1( const unsigned char *input, - size_t ilen, - unsigned char output[20] ) -{ - mbedtls_sha1_ret( input, ilen, output ); -} -#endif - -#if defined(MBEDTLS_SELF_TEST) -/* - * FIPS-180-1 test vectors - */ -static const unsigned char sha1_test_buf[3][57] = -{ - { "abc" }, - { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, - { "" } -}; - -static const size_t sha1_test_buflen[3] = -{ - 3, 56, 1000 -}; - -static const unsigned char sha1_test_sum[3][20] = -{ - { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, - 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, - { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, - 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, - { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, - 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } -}; - -/* - * Checkup routine - */ -int mbedtls_sha1_self_test( int verbose ) -{ - int i, j, buflen, ret = 0; - unsigned char buf[1024]; - unsigned char sha1sum[20]; - mbedtls_sha1_context ctx; - - mbedtls_sha1_init( &ctx ); - - /* - * SHA-1 - */ - for( i = 0; i < 3; i++ ) - { - if( verbose != 0 ) - mbedtls_printf( " SHA-1 test #%d: ", i + 1 ); - - if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 ) - goto fail; - - if( i == 2 ) - { - memset( buf, 'a', buflen = 1000 ); - - for( j = 0; j < 1000; j++ ) - { - ret = mbedtls_sha1_update_ret( &ctx, buf, buflen ); - if( ret != 0 ) - goto fail; - } - } - else - { - ret = mbedtls_sha1_update_ret( &ctx, sha1_test_buf[i], - sha1_test_buflen[i] ); - if( ret != 0 ) - goto fail; - } - - if( ( ret = mbedtls_sha1_finish_ret( &ctx, sha1sum ) ) != 0 ) - goto fail; - - if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 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_sha1_free( &ctx ); - - return( ret ); -} - -#endif /* MBEDTLS_SELF_TEST */ - -#endif /* MBEDTLS_SHA1_C */ |