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-rw-r--r--lib/mbedtls-2.27.0/library/sha256.c608
1 files changed, 0 insertions, 608 deletions
diff --git a/lib/mbedtls-2.27.0/library/sha256.c b/lib/mbedtls-2.27.0/library/sha256.c
deleted file mode 100644
index be373d9..0000000
--- a/lib/mbedtls-2.27.0/library/sha256.c
+++ /dev/null
@@ -1,608 +0,0 @@
-/*
- * FIPS-180-2 compliant SHA-256 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-256 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_SHA256_C)
-
-#include "mbedtls/sha256.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>
-#include <stdlib.h>
-#define mbedtls_printf printf
-#define mbedtls_calloc calloc
-#define mbedtls_free free
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
-
-#define SHA256_VALIDATE_RET(cond) \
- MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA256_BAD_INPUT_DATA )
-#define SHA256_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )
-
-#if !defined(MBEDTLS_SHA256_ALT)
-
-/*
- * 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 )
-{
- SHA256_VALIDATE( ctx != NULL );
-
- memset( ctx, 0, sizeof( mbedtls_sha256_context ) );
-}
-
-void mbedtls_sha256_free( mbedtls_sha256_context *ctx )
-{
- if( ctx == NULL )
- return;
-
- mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha256_context ) );
-}
-
-void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
- const mbedtls_sha256_context *src )
-{
- SHA256_VALIDATE( dst != NULL );
- SHA256_VALIDATE( src != NULL );
-
- *dst = *src;
-}
-
-/*
- * SHA-256 context setup
- */
-int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
-{
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
-
- 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;
-
- return( 0 );
-}
-
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
- int is224 )
-{
- mbedtls_sha256_starts_ret( ctx, is224 );
-}
-#endif
-
-#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) \
- ( \
- local.W[t] = S1(local.W[(t) - 2]) + local.W[(t) - 7] + \
- S0(local.W[(t) - 15]) + local.W[(t) - 16] \
- )
-
-#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 )
-
-int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
- const unsigned char data[64] )
-{
- struct
- {
- uint32_t temp1, temp2, W[64];
- uint32_t A[8];
- } local;
-
- unsigned int i;
-
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_VALIDATE_RET( (const unsigned char *)data != NULL );
-
- for( i = 0; i < 8; i++ )
- local.A[i] = ctx->state[i];
-
-#if defined(MBEDTLS_SHA256_SMALLER)
- for( i = 0; i < 64; i++ )
- {
- if( i < 16 )
- GET_UINT32_BE( local.W[i], data, 4 * i );
- else
- R( i );
-
- 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_SHA256_SMALLER */
- for( i = 0; i < 16; i++ )
- GET_UINT32_BE( local.W[i], data, 4 * i );
-
- for( i = 0; i < 16; i += 8 )
- {
- 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+0], K[i+0] );
- 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+1], K[i+1] );
- 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+2], K[i+2] );
- 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+3], K[i+3] );
- 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+4], K[i+4] );
- 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+5], K[i+5] );
- 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+6], K[i+6] );
- 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+7], K[i+7] );
- }
-
- for( i = 16; i < 64; i += 8 )
- {
- 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], R(i+0), K[i+0] );
- 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], R(i+1), K[i+1] );
- 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], R(i+2), K[i+2] );
- 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], R(i+3), K[i+3] );
- 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], R(i+4), K[i+4] );
- 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], R(i+5), K[i+5] );
- 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], R(i+6), K[i+6] );
- 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], R(i+7), K[i+7] );
- }
-#endif /* MBEDTLS_SHA256_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_sha256_process( mbedtls_sha256_context *ctx,
- const unsigned char data[64] )
-{
- mbedtls_internal_sha256_process( ctx, data );
-}
-#endif
-#endif /* !MBEDTLS_SHA256_PROCESS_ALT */
-
-/*
- * SHA-256 process buffer
- */
-int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
- const unsigned char *input,
- size_t ilen )
-{
- int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
- size_t fill;
- uint32_t left;
-
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_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_sha256_process( ctx, ctx->buffer ) ) != 0 )
- return( ret );
-
- input += fill;
- ilen -= fill;
- left = 0;
- }
-
- while( ilen >= 64 )
- {
- if( ( ret = mbedtls_internal_sha256_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_sha256_update( mbedtls_sha256_context *ctx,
- const unsigned char *input,
- size_t ilen )
-{
- mbedtls_sha256_update_ret( ctx, input, ilen );
-}
-#endif
-
-/*
- * SHA-256 final digest
- */
-int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
- unsigned char output[32] )
-{
- int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
- uint32_t used;
- uint32_t high, low;
-
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_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_sha256_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_sha256_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 );
- 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 );
-
- return( 0 );
-}
-
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
- unsigned char output[32] )
-{
- mbedtls_sha256_finish_ret( ctx, output );
-}
-#endif
-
-#endif /* !MBEDTLS_SHA256_ALT */
-
-/*
- * output = SHA-256( input buffer )
- */
-int mbedtls_sha256_ret( const unsigned char *input,
- size_t ilen,
- unsigned char output[32],
- int is224 )
-{
- int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
- mbedtls_sha256_context ctx;
-
- SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
- SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
- SHA256_VALIDATE_RET( (unsigned char *)output != NULL );
-
- mbedtls_sha256_init( &ctx );
-
- if( ( ret = mbedtls_sha256_starts_ret( &ctx, is224 ) ) != 0 )
- goto exit;
-
- if( ( ret = mbedtls_sha256_update_ret( &ctx, input, ilen ) ) != 0 )
- goto exit;
-
- if( ( ret = mbedtls_sha256_finish_ret( &ctx, output ) ) != 0 )
- goto exit;
-
-exit:
- mbedtls_sha256_free( &ctx );
-
- return( ret );
-}
-
-#if !defined(MBEDTLS_DEPRECATED_REMOVED)
-void mbedtls_sha256( const unsigned char *input,
- size_t ilen,
- unsigned char output[32],
- int is224 )
-{
- mbedtls_sha256_ret( input, ilen, output, is224 );
-}
-#endif
-
-#if defined(MBEDTLS_SELF_TEST)
-/*
- * FIPS-180-2 test vectors
- */
-static const unsigned char sha256_test_buf[3][57] =
-{
- { "abc" },
- { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
- { "" }
-};
-
-static const size_t 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 );
-
- if( ( ret = mbedtls_sha256_starts_ret( &ctx, k ) ) != 0 )
- goto fail;
-
- if( j == 2 )
- {
- memset( buf, 'a', buflen = 1000 );
-
- for( j = 0; j < 1000; j++ )
- {
- ret = mbedtls_sha256_update_ret( &ctx, buf, buflen );
- if( ret != 0 )
- goto fail;
- }
-
- }
- else
- {
- ret = mbedtls_sha256_update_ret( &ctx, sha256_test_buf[j],
- sha256_test_buflen[j] );
- if( ret != 0 )
- goto fail;
- }
-
- if( ( ret = mbedtls_sha256_finish_ret( &ctx, sha256sum ) ) != 0 )
- goto fail;
-
-
- if( memcmp( sha256sum, sha256_test_sum[i], 32 - k * 4 ) != 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_sha256_free( &ctx );
- mbedtls_free( buf );
-
- return( ret );
-}
-
-#endif /* MBEDTLS_SELF_TEST */
-
-#endif /* MBEDTLS_SHA256_C */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 10:10:17 +0000