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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2024. 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_DIGEST_H__
#define E_DIGEST_H__ 1
#include "common.h"
struct digest_type_t {
const char* str; /* before init, NULL for end-of-table */
const char* str_v3; /* the algorithm name as in OpenSSL 3.x */
ERL_NIF_TERM atom; /* after init, 'false' for end-of-table */
unsigned flags;
struct {
const EVP_MD* (*funcp)(void); /* before init, NULL if notsup */
const EVP_MD* p; /* after init, NULL if notsup */
}md;
unsigned int xof_default_length; /* 0 or default digest length for XOF digests */
};
/* masks in the flags field if digest_type_t */
#define NO_FIPS_DIGEST 1
#define PBKDF2_ELIGIBLE_DIGEST 2
#ifdef FIPS_SUPPORT
# define DIGEST_FORBIDDEN_IN_FIPS(P) (((P)->flags & NO_FIPS_DIGEST) && FIPS_MODE())
#else
# define DIGEST_FORBIDDEN_IN_FIPS(P) 0
#endif
void init_digest_types(ErlNifEnv* env);
struct digest_type_t* get_digest_type(ERL_NIF_TERM type);
#ifdef HAS_3_0_API
ERL_NIF_TERM digest_types_as_list(ErlNifEnv* env);
#endif
#endif /* E_DIGEST_H__ */
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