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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2010-2021. 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%
*/
#include "digest.h"
static struct digest_type_t digest_types[] =
{
{"md4", "MD4", 0, NO_FIPS_DIGEST,
#ifdef HAVE_MD4
{&EVP_md4,NULL}
#else
{NULL,NULL}
#endif
},
{"md5", "MD5", 0, NO_FIPS_DIGEST,
#ifdef HAVE_MD5
{&EVP_md5,NULL}
#else
{NULL,NULL}
#endif
},
{"ripemd160", "RIPEMD160", 0, NO_FIPS_DIGEST,
#ifdef HAVE_RIPEMD160
{&EVP_ripemd160,NULL}
#else
{NULL,NULL}
#endif
},
{"sha", "SHA1", 0, PBKDF2_ELIGIBLE_DIGEST,
{&EVP_sha1,NULL}
},
{"sha224", "SHA2-224", 0, PBKDF2_ELIGIBLE_DIGEST,
#ifdef HAVE_SHA224
{&EVP_sha224,NULL}
#else
{NULL,NULL}
#endif
},
{"sha256", "SHA2-256", 0, PBKDF2_ELIGIBLE_DIGEST,
#ifdef HAVE_SHA256
{&EVP_sha256,NULL}
#else
{NULL,NULL}
#endif
},
{"sha384", "SHA2-384", 0, PBKDF2_ELIGIBLE_DIGEST,
#ifdef HAVE_SHA384
{&EVP_sha384,NULL}
#else
{NULL,NULL}
#endif
},
{"sha512", "SHA2-512", 0, PBKDF2_ELIGIBLE_DIGEST,
#ifdef HAVE_SHA512
{&EVP_sha512,NULL}
#else
{NULL,NULL}
#endif
},
{"sha3_224", "SHA3-224", 0, 0,
#ifdef HAVE_SHA3_224
{&EVP_sha3_224,NULL}
#else
{NULL,NULL}
#endif
},
{"sha3_256", "SHA3-256", 0, 0,
#ifdef HAVE_SHA3_256
{&EVP_sha3_256,NULL}
#else
{NULL,NULL}
#endif
},
{"sha3_384", "SHA3-384", 0, 0,
#ifdef HAVE_SHA3_384
{&EVP_sha3_384,NULL}
#else
{NULL,NULL}
#endif
},
{"sha3_512", "SHA3-512", 0, 0,
#ifdef HAVE_SHA3_512
{&EVP_sha3_512,NULL}
#else
{NULL,NULL}
#endif
},
{"blake2b", "BLAKE2b512", 0, 0,
#ifdef HAVE_BLAKE2
{&EVP_blake2b512,NULL}
#else
{NULL,NULL}
#endif
},
{"blake2s", "BLAKE2s256", 0, 0,
#ifdef HAVE_BLAKE2
{&EVP_blake2s256,NULL}
#else
{NULL,NULL}
#endif
},
/*==== End of list ==== */
{NULL, NULL, 0, 0, {NULL,NULL}}
};
void init_digest_types(ErlNifEnv* env)
{
struct digest_type_t* p = digest_types;
for (p = digest_types; p->str; p++) {
#ifdef HAS_3_0_API
if (p->str_v3) {
p->md.p = EVP_MD_fetch(NULL, p->str_v3, "");
# ifdef FIPS_SUPPORT
/* Try if valid in FIPS */
{
EVP_MD *tmp = EVP_MD_fetch(NULL, p->str_v3, "fips=yes");
if (tmp) {
EVP_MD_free(tmp);
p->flags &= ~NO_FIPS_DIGEST;
} else
p->flags |= NO_FIPS_DIGEST;
}
# endif /* FIPS_SUPPORT and >=3.0.0 */
}
#else
if (p->md.funcp)
p->md.p = p->md.funcp();
#endif
p->atom = enif_make_atom(env, p->str);
}
p->atom = atom_false; /* end marker */
}
struct digest_type_t* get_digest_type(ERL_NIF_TERM type)
{
struct digest_type_t* p = NULL;
for (p = digest_types; p->atom != atom_false; p++) {
if (type == p->atom) {
return p;
}
}
return NULL;
}
#ifdef HAS_3_0_API
ERL_NIF_TERM digest_types_as_list(ErlNifEnv* env)
{
struct digest_type_t* p;
ERL_NIF_TERM hd;
hd = enif_make_list(env, 0);
for (p = digest_types; (p->atom & (p->atom != atom_false)); p++) {
if (DIGEST_FORBIDDEN_IN_FIPS(p))
continue;
if (p->md.p != NULL)
hd = enif_make_list_cell(env, p->atom, hd);
}
return hd;
}
#endif
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