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-rw-r--r--lib/crypto/c_src/digest.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/lib/crypto/c_src/digest.c b/lib/crypto/c_src/digest.c
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+++ b/lib/crypto/c_src/digest.c
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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%
+ */
+
+#include "digest.h"
+
+static struct digest_type_t digest_types[] =
+{
+ {{"md4"}, {&EVP_md4}},
+ {{"md5"}, {&EVP_md5}},
+ {{"ripemd160"}, {&EVP_ripemd160}},
+ {{"sha"}, {&EVP_sha1}},
+ {{"sha224"},
+#ifdef HAVE_SHA224
+ {&EVP_sha224}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha256"},
+#ifdef HAVE_SHA256
+ {&EVP_sha256}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha384"},
+#ifdef HAVE_SHA384
+ {&EVP_sha384}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha512"},
+#ifdef HAVE_SHA512
+ {&EVP_sha512}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha3_224"},
+#ifdef HAVE_SHA3_224
+ {&EVP_sha3_224}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha3_256"},
+#ifdef HAVE_SHA3_256
+ {&EVP_sha3_256}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha3_384"},
+#ifdef HAVE_SHA3_384
+ {&EVP_sha3_384}
+#else
+ {NULL}
+#endif
+ },
+ {{"sha3_512"},
+#ifdef HAVE_SHA3_512
+ {&EVP_sha3_512}
+#else
+ {NULL}
+#endif
+ },
+ {{"blake2b"},
+#ifdef HAVE_BLAKE2
+ {&EVP_blake2b512}
+#else
+ {NULL}
+#endif
+ },
+ {{"blake2s"},
+#ifdef HAVE_BLAKE2
+ {&EVP_blake2s256}
+#else
+ {NULL}
+#endif
+ },
+
+ {{NULL}, {NULL}}
+};
+
+void init_digest_types(ErlNifEnv* env)
+{
+ struct digest_type_t* p = digest_types;
+
+ for (p = digest_types; p->type.str; p++) {
+ p->type.atom = enif_make_atom(env, p->type.str);
+ if (p->md.funcp)
+ p->md.p = p->md.funcp();
+ }
+ p->type.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->type.atom != atom_false; p++) {
+ if (type == p->type.atom) {
+ return p;
+ }
+ }
+ return NULL;
+}
+