--- /dev/null
+/*\r
+ * FIPS-180-2 compliant SHA-256 implementation\r
+ *\r
+ * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved\r
+ * SPDX-License-Identifier: Apache-2.0\r
+ *\r
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may\r
+ * not use this file except in compliance with the License.\r
+ * You may obtain a copy of the License at\r
+ *\r
+ * http://www.apache.org/licenses/LICENSE-2.0\r
+ *\r
+ * Unless required by applicable law or agreed to in writing, software\r
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT\r
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * See the License for the specific language governing permissions and\r
+ * limitations under the License.\r
+ *\r
+ * This file is part of mbed TLS (https://tls.mbed.org)\r
+ */\r
+/*\r
+ * The SHA-256 Secure Hash Standard was published by NIST in 2002.\r
+ *\r
+ * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf\r
+ */\r
+\r
+#if !defined(MBEDTLS_CONFIG_FILE)\r
+#include "mbedtls/config.h"\r
+#else\r
+#include MBEDTLS_CONFIG_FILE\r
+#endif\r
+\r
+#if defined(MBEDTLS_SHA256_C)\r
+\r
+#include "mbedtls/sha256.h"\r
+#include "mbedtls/platform_util.h"\r
+\r
+#include <string.h>\r
+\r
+#if defined(MBEDTLS_SELF_TEST)\r
+#if defined(MBEDTLS_PLATFORM_C)\r
+#include "mbedtls/platform.h"\r
+#else\r
+#include <stdio.h>\r
+#include <stdlib.h>\r
+#define mbedtls_printf printf\r
+#define mbedtls_calloc calloc\r
+#define mbedtls_free free\r
+#endif /* MBEDTLS_PLATFORM_C */\r
+#endif /* MBEDTLS_SELF_TEST */\r
+\r
+#define SHA256_VALIDATE_RET(cond) \\r
+ MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA256_BAD_INPUT_DATA )\r
+#define SHA256_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )\r
+\r
+#if !defined(MBEDTLS_SHA256_ALT)\r
+\r
+/*\r
+ * 32-bit integer manipulation macros (big endian)\r
+ */\r
+#ifndef GET_UINT32_BE\r
+#define GET_UINT32_BE(n,b,i) \\r
+do { \\r
+ (n) = ( (uint32_t) (b)[(i) ] << 24 ) \\r
+ | ( (uint32_t) (b)[(i) + 1] << 16 ) \\r
+ | ( (uint32_t) (b)[(i) + 2] << 8 ) \\r
+ | ( (uint32_t) (b)[(i) + 3] ); \\r
+} while( 0 )\r
+#endif\r
+\r
+#ifndef PUT_UINT32_BE\r
+#define PUT_UINT32_BE(n,b,i) \\r
+do { \\r
+ (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \\r
+ (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \\r
+ (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \\r
+ (b)[(i) + 3] = (unsigned char) ( (n) ); \\r
+} while( 0 )\r
+#endif\r
+\r
+void mbedtls_sha256_init( mbedtls_sha256_context *ctx )\r
+{\r
+ SHA256_VALIDATE( ctx != NULL );\r
+\r
+ memset( ctx, 0, sizeof( mbedtls_sha256_context ) );\r
+}\r
+\r
+void mbedtls_sha256_free( mbedtls_sha256_context *ctx )\r
+{\r
+ if( ctx == NULL )\r
+ return;\r
+\r
+ mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha256_context ) );\r
+}\r
+\r
+void mbedtls_sha256_clone( mbedtls_sha256_context *dst,\r
+ const mbedtls_sha256_context *src )\r
+{\r
+ SHA256_VALIDATE( dst != NULL );\r
+ SHA256_VALIDATE( src != NULL );\r
+\r
+ *dst = *src;\r
+}\r
+\r
+/*\r
+ * SHA-256 context setup\r
+ */\r
+int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )\r
+{\r
+ SHA256_VALIDATE_RET( ctx != NULL );\r
+ SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );\r
+\r
+ ctx->total[0] = 0;\r
+ ctx->total[1] = 0;\r
+\r
+ if( is224 == 0 )\r
+ {\r
+ /* SHA-256 */\r
+ ctx->state[0] = 0x6A09E667;\r
+ ctx->state[1] = 0xBB67AE85;\r
+ ctx->state[2] = 0x3C6EF372;\r
+ ctx->state[3] = 0xA54FF53A;\r
+ ctx->state[4] = 0x510E527F;\r
+ ctx->state[5] = 0x9B05688C;\r
+ ctx->state[6] = 0x1F83D9AB;\r
+ ctx->state[7] = 0x5BE0CD19;\r
+ }\r
+ else\r
+ {\r
+ /* SHA-224 */\r
+ ctx->state[0] = 0xC1059ED8;\r
+ ctx->state[1] = 0x367CD507;\r
+ ctx->state[2] = 0x3070DD17;\r
+ ctx->state[3] = 0xF70E5939;\r
+ ctx->state[4] = 0xFFC00B31;\r
+ ctx->state[5] = 0x68581511;\r
+ ctx->state[6] = 0x64F98FA7;\r
+ ctx->state[7] = 0xBEFA4FA4;\r
+ }\r
+\r
+ ctx->is224 = is224;\r
+\r
+ return( 0 );\r
+}\r
+\r
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)\r
+void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,\r
+ int is224 )\r
+{\r
+ mbedtls_sha256_starts_ret( ctx, is224 );\r
+}\r
+#endif\r
+\r
+#if !defined(MBEDTLS_SHA256_PROCESS_ALT)\r
+static const uint32_t K[] =\r
+{\r
+ 0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,\r
+ 0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,\r
+ 0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,\r
+ 0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,\r
+ 0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,\r
+ 0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,\r
+ 0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,\r
+ 0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,\r
+ 0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,\r
+ 0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,\r
+ 0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,\r
+ 0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,\r
+ 0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,\r
+ 0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,\r
+ 0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,\r
+ 0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,\r
+};\r
+\r
+#define SHR(x,n) (((x) & 0xFFFFFFFF) >> (n))\r
+#define ROTR(x,n) (SHR(x,n) | ((x) << (32 - (n))))\r
+\r
+#define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3))\r
+#define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10))\r
+\r
+#define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))\r
+#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))\r
+\r
+#define F0(x,y,z) (((x) & (y)) | ((z) & ((x) | (y))))\r
+#define F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))\r
+\r
+#define R(t) \\r
+ ( \\r
+ W[t] = S1(W[(t) - 2]) + W[(t) - 7] + \\r
+ S0(W[(t) - 15]) + W[(t) - 16] \\r
+ )\r
+\r
+#define P(a,b,c,d,e,f,g,h,x,K) \\r
+ do \\r
+ { \\r
+ temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \\r
+ temp2 = S2(a) + F0((a),(b),(c)); \\r
+ (d) += temp1; (h) = temp1 + temp2; \\r
+ } while( 0 )\r
+\r
+int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,\r
+ const unsigned char data[64] )\r
+{\r
+ uint32_t temp1, temp2, W[64];\r
+ uint32_t A[8];\r
+ unsigned int i;\r
+\r
+ SHA256_VALIDATE_RET( ctx != NULL );\r
+ SHA256_VALIDATE_RET( (const unsigned char *)data != NULL );\r
+\r
+ for( i = 0; i < 8; i++ )\r
+ A[i] = ctx->state[i];\r
+\r
+#if defined(MBEDTLS_SHA256_SMALLER)\r
+ for( i = 0; i < 64; i++ )\r
+ {\r
+ if( i < 16 )\r
+ GET_UINT32_BE( W[i], data, 4 * i );\r
+ else\r
+ R( i );\r
+\r
+ P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i], K[i] );\r
+\r
+ temp1 = A[7]; A[7] = A[6]; A[6] = A[5]; A[5] = A[4]; A[4] = A[3];\r
+ A[3] = A[2]; A[2] = A[1]; A[1] = A[0]; A[0] = temp1;\r
+ }\r
+#else /* MBEDTLS_SHA256_SMALLER */\r
+ for( i = 0; i < 16; i++ )\r
+ GET_UINT32_BE( W[i], data, 4 * i );\r
+\r
+ for( i = 0; i < 16; i += 8 )\r
+ {\r
+ P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i+0], K[i+0] );\r
+ P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i+1], K[i+1] );\r
+ P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i+2], K[i+2] );\r
+ P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i+3], K[i+3] );\r
+ P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i+4], K[i+4] );\r
+ P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i+5], K[i+5] );\r
+ P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i+6], K[i+6] );\r
+ P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i+7], K[i+7] );\r
+ }\r
+\r
+ for( i = 16; i < 64; i += 8 )\r
+ {\r
+ P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i+0), K[i+0] );\r
+ P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i+1), K[i+1] );\r
+ P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i+2), K[i+2] );\r
+ P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i+3), K[i+3] );\r
+ P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i+4), K[i+4] );\r
+ P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i+5), K[i+5] );\r
+ P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i+6), K[i+6] );\r
+ P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i+7), K[i+7] );\r
+ }\r
+#endif /* MBEDTLS_SHA256_SMALLER */\r
+\r
+ for( i = 0; i < 8; i++ )\r
+ ctx->state[i] += A[i];\r
+\r
+ return( 0 );\r
+}\r
+\r
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)\r
+void mbedtls_sha256_process( mbedtls_sha256_context *ctx,\r
+ const unsigned char data[64] )\r
+{\r
+ mbedtls_internal_sha256_process( ctx, data );\r
+}\r
+#endif\r
+#endif /* !MBEDTLS_SHA256_PROCESS_ALT */\r
+\r
+/*\r
+ * SHA-256 process buffer\r
+ */\r
+int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,\r
+ const unsigned char *input,\r
+ size_t ilen )\r
+{\r
+ int ret;\r
+ size_t fill;\r
+ uint32_t left;\r
+\r
+ SHA256_VALIDATE_RET( ctx != NULL );\r
+ SHA256_VALIDATE_RET( ilen == 0 || input != NULL );\r
+\r
+ if( ilen == 0 )\r
+ return( 0 );\r
+\r
+ left = ctx->total[0] & 0x3F;\r
+ fill = 64 - left;\r
+\r
+ ctx->total[0] += (uint32_t) ilen;\r
+ ctx->total[0] &= 0xFFFFFFFF;\r
+\r
+ if( ctx->total[0] < (uint32_t) ilen )\r
+ ctx->total[1]++;\r
+\r
+ if( left && ilen >= fill )\r
+ {\r
+ memcpy( (void *) (ctx->buffer + left), input, fill );\r
+\r
+ if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )\r
+ return( ret );\r
+\r
+ input += fill;\r
+ ilen -= fill;\r
+ left = 0;\r
+ }\r
+\r
+ while( ilen >= 64 )\r
+ {\r
+ if( ( ret = mbedtls_internal_sha256_process( ctx, input ) ) != 0 )\r
+ return( ret );\r
+\r
+ input += 64;\r
+ ilen -= 64;\r
+ }\r
+\r
+ if( ilen > 0 )\r
+ memcpy( (void *) (ctx->buffer + left), input, ilen );\r
+\r
+ return( 0 );\r
+}\r
+\r
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)\r
+void mbedtls_sha256_update( mbedtls_sha256_context *ctx,\r
+ const unsigned char *input,\r
+ size_t ilen )\r
+{\r
+ mbedtls_sha256_update_ret( ctx, input, ilen );\r
+}\r
+#endif\r
+\r
+/*\r
+ * SHA-256 final digest\r
+ */\r
+int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,\r
+ unsigned char output[32] )\r
+{\r
+ int ret;\r
+ uint32_t used;\r
+ uint32_t high, low;\r
+\r
+ SHA256_VALIDATE_RET( ctx != NULL );\r
+ SHA256_VALIDATE_RET( (unsigned char *)output != NULL );\r
+\r
+ /*\r
+ * Add padding: 0x80 then 0x00 until 8 bytes remain for the length\r
+ */\r
+ used = ctx->total[0] & 0x3F;\r
+\r
+ ctx->buffer[used++] = 0x80;\r
+\r
+ if( used <= 56 )\r
+ {\r
+ /* Enough room for padding + length in current block */\r
+ memset( ctx->buffer + used, 0, 56 - used );\r
+ }\r
+ else\r
+ {\r
+ /* We'll need an extra block */\r
+ memset( ctx->buffer + used, 0, 64 - used );\r
+\r
+ if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )\r
+ return( ret );\r
+\r
+ memset( ctx->buffer, 0, 56 );\r
+ }\r
+\r
+ /*\r
+ * Add message length\r
+ */\r
+ high = ( ctx->total[0] >> 29 )\r
+ | ( ctx->total[1] << 3 );\r
+ low = ( ctx->total[0] << 3 );\r
+\r
+ PUT_UINT32_BE( high, ctx->buffer, 56 );\r
+ PUT_UINT32_BE( low, ctx->buffer, 60 );\r
+\r
+ if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )\r
+ return( ret );\r
+\r
+ /*\r
+ * Output final state\r
+ */\r
+ PUT_UINT32_BE( ctx->state[0], output, 0 );\r
+ PUT_UINT32_BE( ctx->state[1], output, 4 );\r
+ PUT_UINT32_BE( ctx->state[2], output, 8 );\r
+ PUT_UINT32_BE( ctx->state[3], output, 12 );\r
+ PUT_UINT32_BE( ctx->state[4], output, 16 );\r
+ PUT_UINT32_BE( ctx->state[5], output, 20 );\r
+ PUT_UINT32_BE( ctx->state[6], output, 24 );\r
+\r
+ if( ctx->is224 == 0 )\r
+ PUT_UINT32_BE( ctx->state[7], output, 28 );\r
+\r
+ return( 0 );\r
+}\r
+\r
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)\r
+void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,\r
+ unsigned char output[32] )\r
+{\r
+ mbedtls_sha256_finish_ret( ctx, output );\r
+}\r
+#endif\r
+\r
+#endif /* !MBEDTLS_SHA256_ALT */\r
+\r
+/*\r
+ * output = SHA-256( input buffer )\r
+ */\r
+int mbedtls_sha256_ret( const unsigned char *input,\r
+ size_t ilen,\r
+ unsigned char output[32],\r
+ int is224 )\r
+{\r
+ int ret;\r
+ mbedtls_sha256_context ctx;\r
+\r
+ SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );\r
+ SHA256_VALIDATE_RET( ilen == 0 || input != NULL );\r
+ SHA256_VALIDATE_RET( (unsigned char *)output != NULL );\r
+\r
+ mbedtls_sha256_init( &ctx );\r
+\r
+ if( ( ret = mbedtls_sha256_starts_ret( &ctx, is224 ) ) != 0 )\r
+ goto exit;\r
+\r
+ if( ( ret = mbedtls_sha256_update_ret( &ctx, input, ilen ) ) != 0 )\r
+ goto exit;\r
+\r
+ if( ( ret = mbedtls_sha256_finish_ret( &ctx, output ) ) != 0 )\r
+ goto exit;\r
+\r
+exit:\r
+ mbedtls_sha256_free( &ctx );\r
+\r
+ return( ret );\r
+}\r
+\r
+#if !defined(MBEDTLS_DEPRECATED_REMOVED)\r
+void mbedtls_sha256( const unsigned char *input,\r
+ size_t ilen,\r
+ unsigned char output[32],\r
+ int is224 )\r
+{\r
+ mbedtls_sha256_ret( input, ilen, output, is224 );\r
+}\r
+#endif\r
+\r
+#if defined(MBEDTLS_SELF_TEST)\r
+/*\r
+ * FIPS-180-2 test vectors\r
+ */\r
+static const unsigned char sha256_test_buf[3][57] =\r
+{\r
+ { "abc" },\r
+ { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },\r
+ { "" }\r
+};\r
+\r
+static const size_t sha256_test_buflen[3] =\r
+{\r
+ 3, 56, 1000\r
+};\r
+\r
+static const unsigned char sha256_test_sum[6][32] =\r
+{\r
+ /*\r
+ * SHA-224 test vectors\r
+ */\r
+ { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22,\r
+ 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3,\r
+ 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7,\r
+ 0xE3, 0x6C, 0x9D, 0xA7 },\r
+ { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC,\r
+ 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50,\r
+ 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19,\r
+ 0x52, 0x52, 0x25, 0x25 },\r
+ { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8,\r
+ 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B,\r
+ 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE,\r
+ 0x4E, 0xE7, 0xAD, 0x67 },\r
+\r
+ /*\r
+ * SHA-256 test vectors\r
+ */\r
+ { 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA,\r
+ 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23,\r
+ 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C,\r
+ 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD },\r
+ { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8,\r
+ 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39,\r
+ 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67,\r
+ 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 },\r
+ { 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92,\r
+ 0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67,\r
+ 0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E,\r
+ 0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 }\r
+};\r
+\r
+/*\r
+ * Checkup routine\r
+ */\r
+int mbedtls_sha256_self_test( int verbose )\r
+{\r
+ int i, j, k, buflen, ret = 0;\r
+ unsigned char *buf;\r
+ unsigned char sha256sum[32];\r
+ mbedtls_sha256_context ctx;\r
+\r
+ buf = mbedtls_calloc( 1024, sizeof(unsigned char) );\r
+ if( NULL == buf )\r
+ {\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "Buffer allocation failed\n" );\r
+\r
+ return( 1 );\r
+ }\r
+\r
+ mbedtls_sha256_init( &ctx );\r
+\r
+ for( i = 0; i < 6; i++ )\r
+ {\r
+ j = i % 3;\r
+ k = i < 3;\r
+\r
+ if( verbose != 0 )\r
+ mbedtls_printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 );\r
+\r
+ if( ( ret = mbedtls_sha256_starts_ret( &ctx, k ) ) != 0 )\r
+ goto fail;\r
+\r
+ if( j == 2 )\r
+ {\r
+ memset( buf, 'a', buflen = 1000 );\r
+\r
+ for( j = 0; j < 1000; j++ )\r
+ {\r
+ ret = mbedtls_sha256_update_ret( &ctx, buf, buflen );\r
+ if( ret != 0 )\r
+ goto fail;\r
+ }\r
+\r
+ }\r
+ else\r
+ {\r
+ ret = mbedtls_sha256_update_ret( &ctx, sha256_test_buf[j],\r
+ sha256_test_buflen[j] );\r
+ if( ret != 0 )\r
+ goto fail;\r
+ }\r
+\r
+ if( ( ret = mbedtls_sha256_finish_ret( &ctx, sha256sum ) ) != 0 )\r
+ goto fail;\r
+\r
+\r
+ if( memcmp( sha256sum, sha256_test_sum[i], 32 - k * 4 ) != 0 )\r
+ {\r
+ ret = 1;\r
+ goto fail;\r
+ }\r
+\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "passed\n" );\r
+ }\r
+\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "\n" );\r
+\r
+ goto exit;\r
+\r
+fail:\r
+ if( verbose != 0 )\r
+ mbedtls_printf( "failed\n" );\r
+\r
+exit:\r
+ mbedtls_sha256_free( &ctx );\r
+ mbedtls_free( buf );\r
+\r
+ return( ret );\r
+}\r
+\r
+#endif /* MBEDTLS_SELF_TEST */\r
+\r
+#endif /* MBEDTLS_SHA256_C */\r
projects / freertos / blobdiff