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https://github.com/espressif/esp-idf.git
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106 lines
3.1 KiB
C
106 lines
3.1 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include "hal/sha_types.h"
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#include "soc/soc_caps.h"
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#include "esp_log.h"
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#include <mbedtls/sha1.h>
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#include <mbedtls/sha256.h>
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#include <mbedtls/sha512.h>
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#if SOC_SHA_SUPPORT_PARALLEL_ENG
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#include "sha/sha_parallel_engine.h"
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#elif SOC_SHA_SUPPORT_DMA
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#include "sha/sha_dma.h"
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#endif
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static const char *TAG = "esp_sha";
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void esp_sha(esp_sha_type sha_type, const unsigned char *input, size_t ilen, unsigned char *output)
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{
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union {
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#if SOC_SHA_SUPPORT_SHA1
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mbedtls_sha1_context sha1;
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#endif
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#if SOC_SHA_SUPPORT_SHA256
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mbedtls_sha256_context sha256;
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#endif
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#if SOC_SHA_SUPPORT_SHA384 || SOC_SHA_SUPPORT_SHA512
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mbedtls_sha512_context sha512;
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#endif
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} ctx;
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int ret;
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assert(input != NULL && output != NULL);
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#if SOC_SHA_SUPPORT_SHA1
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if (sha_type == SHA1) {
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mbedtls_sha1_init(&ctx.sha1);
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mbedtls_sha1_starts_ret(&ctx.sha1);
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ret = mbedtls_sha1_update_ret(&ctx.sha1, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha1_finish_ret(&ctx.sha1, output);
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assert(ret == 0);
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mbedtls_sha1_free(&ctx.sha1);
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return;
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}
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#endif //SOC_SHA_SUPPORT_SHA1
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#if SOC_SHA_SUPPORT_SHA256
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if (sha_type == SHA2_256) {
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mbedtls_sha256_init(&ctx.sha256);
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mbedtls_sha256_starts_ret(&ctx.sha256, 0);
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ret = mbedtls_sha256_update_ret(&ctx.sha256, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha256_finish_ret(&ctx.sha256, output);
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assert(ret == 0);
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mbedtls_sha256_free(&ctx.sha256);
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return;
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}
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#endif //SOC_SHA_SUPPORT_SHA256
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#if SOC_SHA_SUPPORT_SHA384
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if (sha_type == SHA2_384) {
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mbedtls_sha512_init(&ctx.sha512);
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mbedtls_sha512_starts_ret(&ctx.sha512, 1);
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ret = mbedtls_sha512_update_ret(&ctx.sha512, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha512_finish_ret(&ctx.sha512, output);
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assert(ret == 0);
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mbedtls_sha512_free(&ctx.sha512);
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return;
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}
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#endif //SOC_SHA_SUPPORT_SHA384
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#if SOC_SHA_SUPPORT_SHA512
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if (sha_type == SHA2_512) {
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mbedtls_sha512_init(&ctx.sha512);
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mbedtls_sha512_starts_ret(&ctx.sha512, 0);
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ret = mbedtls_sha512_update_ret(&ctx.sha512, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha512_finish_ret(&ctx.sha512, output);
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assert(ret == 0);
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mbedtls_sha512_free(&ctx.sha512);
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return;
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}
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#endif //SOC_SHA_SUPPORT_SHA512
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ESP_LOGE(TAG, "SHA type %d not supported", sha_type);
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abort();
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}
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