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8d65cee0a9
Which allows several components to use cryptographic functions from esp-tls which is the current abstraction layer.
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
// Copyright 2020 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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#ifndef _ESP_TLS_CRYPTO_H
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#define _ESP_TLS_CRYPTO_H
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Calculate sha1 sum
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* esp-tls abstraction for crypto sha1 API, calculates the sha1 sum(digest) of
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* the data provided in input which is of ilen size and returns
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* a 20 char sha1 sum
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* @param[in] input Input array
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* @param[in] ilen Length of Input array
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* @param[out] output calculated sha1 sum
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*
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* @return
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* mbedtls stack:-
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* - MBEDTLS_ERR_SHA1_BAD_INPUT_DATA on BAD INPUT.
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* - 0 on success.
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* wolfssl stack:-
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* - -1 on failure.
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* - 0 on success.
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*/
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int esp_crypto_sha1(const unsigned char *input,
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size_t ilen,
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unsigned char output[20]);
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/**
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* @brief Do Base64 encode of the src data
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*
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* @param[in] dst destination buffer
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* @param[in] dlen length of destination buffer
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* @param[out] olen number of bytes written
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* @param[in] src src buffer to be encoded
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* @param[in] slen src buffer len
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*
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* @return
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* mbedtls stack:-
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* - MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL if buffer is of insufficient size.
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* - 0 if successful.
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* wolfssl stack:-
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* - <0 on failure.
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* - 0 if succcessful.
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*/
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int esp_crypto_base64_encode(unsigned char *dst, size_t dlen,
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size_t *olen, const unsigned char *src,
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size_t slen);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP_TLS_CRYPTO_H */
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