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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2018. All Rights Reserved.
*
* 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.
*
* %CopyrightEnd%
*/
#ifndef E_CIPHER_H__
#define E_CIPHER_H__ 1
#include "common.h"
struct cipher_type_t {
union {
const char* str; /* before init */
ERL_NIF_TERM atom; /* after init */
}type;
union {
const EVP_CIPHER* (*funcp)(void); /* before init, NULL if notsup */
const EVP_CIPHER* p; /* after init, NULL if notsup */
}cipher;
const size_t key_len; /* != 0 to also match on key_len */
};
#ifdef HAVE_EVP_AES_CTR
extern ErlNifResourceType* evp_cipher_ctx_rtype;
struct evp_cipher_ctx {
EVP_CIPHER_CTX* ctx;
};
#endif
int init_cipher_ctx(ErlNifEnv *env);
void init_cipher_types(ErlNifEnv* env);
struct cipher_type_t* get_cipher_type(ERL_NIF_TERM type, size_t key_len);
#endif /* E_CIPHER_H__ */
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