From fc0c4ed9a3103e0e6534311923668879fc8e0875 Mon Sep 17 00:00:00 2001 From: Adam Harrison Date: Sat, 26 Nov 2022 16:20:59 -0500 Subject: Removed openssl, and curl, and added mbedded tls. Almost fully removed curl, needs more testing. Fixed most issues, now trying to cross compile. Fix? Sigh. --- lib/mbedtls-2.27.0/library/sha256.c | 608 ++++++++++++++++++++++++++++++++++++ 1 file changed, 608 insertions(+) create mode 100644 lib/mbedtls-2.27.0/library/sha256.c (limited to 'lib/mbedtls-2.27.0/library/sha256.c') diff --git a/lib/mbedtls-2.27.0/library/sha256.c b/lib/mbedtls-2.27.0/library/sha256.c new file mode 100644 index 0000000..be373d9 --- /dev/null +++ b/lib/mbedtls-2.27.0/library/sha256.c @@ -0,0 +1,608 @@ +/* + * 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 + +#if defined(MBEDTLS_SELF_TEST) +#if defined(MBEDTLS_PLATFORM_C) +#include "mbedtls/platform.h" +#else +#include +#include +#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 */ -- cgit v1.2.3