esp-idf/components/openssl/include/internal/ssl_pkey.h

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// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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.
#ifndef _SSL_PKEY_H_
#define _SSL_PKEY_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "ssl_types.h"
/**
* @brief create a private key object according to input private key
*
* @param ipk - input private key point
*
* @return new private key object point
*/
EVP_PKEY* __EVP_PKEY_new(EVP_PKEY *ipk);
/**
* @brief create a private key object
*
* @param none
*
* @return private key object point
*/
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EVP_PKEY* EVP_PKEY_new(void);
/**
* @brief load a character key context into system context. If '*a' is pointed to the
* private key, then load key into it. Or create a new private key object
*
* @param type - private key type
* @param a - a point pointed to a private key point
* @param pp - a point pointed to the key context memory point
* @param length - key bytes
*
* @return private key object point
*/
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EVP_PKEY* d2i_PrivateKey(int type,
EVP_PKEY **a,
const unsigned char **pp,
long length);
/**
* @brief decodes and load a buffer BIO into a EVP key context. If '*a' is pointed to the
* private key, then load key into it. Or create a new private key object
*
* @param bp BIO object containing the key
* @param a Pointer to an existing EVP_KEY or NULL if a new key shall be created
*
* @return Created or updated EVP_PKEY
*/
EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a);
/**
* @brief Same as d2i_PrivateKey_bio
*
* @param bp BIO object containing the key
* @param a Pointer to an existing EVP_KEY or NULL if a new key shall be created
*
* @return Created or updated EVP_PKEY
*/
RSA *d2i_RSAPrivateKey_bio(BIO *bp,RSA **rsa);
/**
* @brief loads a private key in PEM format from BIO object
*
* @param bp BIO object containing the key
* @param x Pointer to an existent PKEY or NULL if a new key shall be created
* @param cb Password callback (not used)
* @param u User context (not used)
*
* @return Created or updated EVP_PKEY
*/
EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);
/**
* @brief RSA key in PEM format from BIO object
*
* @param bp BIO object containing the key
* @param x Pointer to an existent PKEY or NULL if a new key shall be created
* @param cb Password callback (not used)
* @param u User context (not used)
*
* @return Created or updated EVP_PKEY
*/
RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb, void *u);
/**
* @brief free a private key object
*
* @param pkey - private key object point
*
* @return none
*/
void EVP_PKEY_free(EVP_PKEY *x);
/**
* @brief load private key into the SSL
*
* @param type - private key type
* @param ssl - SSL point
* @param len - data bytes
* @param d - data point
*
* @return result
* 0 : failed
* 1 : OK
*/
int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d, long len);
#ifdef __cplusplus
}
#endif
#endif