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https://github.com/espressif/esp-idf.git
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bbdeff1da1
It removes using a STALL_OTHER_CPU while sha operations. It improves performance with SHA.
80 lines
2.7 KiB
C
80 lines
2.7 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 "esp32/sha.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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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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int ret;
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assert(input != NULL && output != NULL);
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if (sha_type == SHA1) {
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mbedtls_sha1_context *ctx1 = (mbedtls_sha1_context *)malloc(sizeof(mbedtls_sha1_context));
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assert(ctx1 != NULL);
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mbedtls_sha1_starts_ret(ctx1);
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ret = mbedtls_sha1_update_ret(ctx1, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha1_finish_ret(ctx1, output);
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assert(ret == 0);
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mbedtls_sha1_free(ctx1);
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free(ctx1);
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} else if (sha_type == SHA2_256) {
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mbedtls_sha256_context *ctx256 = (mbedtls_sha256_context *)malloc(sizeof(mbedtls_sha256_context));
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assert(ctx256 != NULL);
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mbedtls_sha256_starts_ret(ctx256, 0);
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ret = mbedtls_sha256_update_ret(ctx256, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha256_finish_ret(ctx256, output);
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assert(ret == 0);
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mbedtls_sha256_free(ctx256);
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free(ctx256);
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} else if (sha_type == SHA2_384) {
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mbedtls_sha512_context *ctx384 = (mbedtls_sha512_context *)malloc(sizeof(mbedtls_sha512_context));
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assert(ctx384 != NULL);
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mbedtls_sha512_starts_ret(ctx384, 1);
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ret = mbedtls_sha512_update_ret(ctx384, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha512_finish_ret(ctx384, output);
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assert(ret == 0);
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mbedtls_sha512_free(ctx384);
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free(ctx384);
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} else if (sha_type == SHA2_512) {
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mbedtls_sha512_context *ctx512 = (mbedtls_sha512_context *)malloc(sizeof(mbedtls_sha512_context));
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assert(ctx512 != NULL);
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mbedtls_sha512_starts_ret(ctx512, 0);
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ret = mbedtls_sha512_update_ret(ctx512, input, ilen);
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assert(ret == 0);
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ret = mbedtls_sha512_finish_ret(ctx512, output);
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assert(ret == 0);
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mbedtls_sha512_free(ctx512);
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free(ctx512);
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}
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}
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