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100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/*
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* Copyright (C) 2020 HAW Hamburg
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup pkg_mbedtls
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*
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* @{
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* @file
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*
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* @author Peter Kietzmann <peter.kietzmann@haw-hamburg.de>
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*
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* @}
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*/
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#include <assert.h>
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#include <string.h>
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#include "sha256_alt.h"
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#if IS_ACTIVE(MBEDTLS_SHA256_ALT)
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#include "mbedtls/sha256.h"
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#include "mbedtls/platform.h"
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void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
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{
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assert(ctx != NULL);
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memset(ctx, 0, sizeof(mbedtls_sha256_context));
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}
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void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
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{
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if (ctx == NULL ) {
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return;
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}
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memset(ctx, 0, sizeof(mbedtls_sha256_context));
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}
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void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
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const mbedtls_sha256_context *src)
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{
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if (dst == NULL || src == NULL) {
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return;
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}
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memcpy(dst, src, sizeof(mbedtls_sha256_context));
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}
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int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)
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{
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assert(ctx != NULL);
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ctx->is224 = is224;
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if (is224) {
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sha224_init(&ctx->riot_sha256_ctx);
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}
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else {
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sha256_init(&ctx->riot_sha256_ctx);
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}
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return 0;
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}
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int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx,
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const unsigned char data[64])
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{
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(void)ctx;
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(void)data;
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return MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED;
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}
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int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx,
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const unsigned char *input,
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size_t ilen)
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{
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assert(ctx != NULL && input != NULL);
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sha256_update(&ctx->riot_sha256_ctx, input, ilen);
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return 0;
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}
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int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx,
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unsigned char output[32])
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{
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assert(ctx != NULL && output != NULL);
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if (ctx->is224) {
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sha224_final(&ctx->riot_sha256_ctx, output);
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}
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else {
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sha256_final(&ctx->riot_sha256_ctx, output);
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}
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return 0;
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}
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#endif /* MBEDTLS_SHA256_ALT */
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