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-rw-r--r--lib/crypto/c_src/chacha20.c124
1 files changed, 0 insertions, 124 deletions
diff --git a/lib/crypto/c_src/chacha20.c b/lib/crypto/c_src/chacha20.c
deleted file mode 100644
index cfcc395dca..0000000000
--- a/lib/crypto/c_src/chacha20.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * %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 "chacha20.h"
-#include "cipher.h"
-
-ERL_NIF_TERM chacha20_stream_init(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (Key, IV) */
-#if defined(HAVE_CHACHA20)
- ErlNifBinary key_bin, ivec_bin;
- struct evp_cipher_ctx *ctx = NULL;
- const EVP_CIPHER *cipher;
- ERL_NIF_TERM ret;
-
- ASSERT(argc == 2);
-
- if (!enif_inspect_iolist_as_binary(env, argv[0], &key_bin))
- goto bad_arg;
- if (key_bin.size != 32)
- goto bad_arg;
- if (!enif_inspect_binary(env, argv[1], &ivec_bin))
- goto bad_arg;
- if (ivec_bin.size != 16)
- goto bad_arg;
-
- cipher = EVP_chacha20();
-
- if ((ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx))) == NULL)
- goto err;
- if ((ctx->ctx = EVP_CIPHER_CTX_new()) == NULL)
- goto err;
-
- if (EVP_CipherInit_ex(ctx->ctx, cipher, NULL,
- key_bin.data, ivec_bin.data, 1) != 1)
- goto err;
- if (EVP_CIPHER_CTX_set_padding(ctx->ctx, 0) != 1)
- goto err;
-
- ret = enif_make_resource(env, ctx);
- goto done;
-
- bad_arg:
- return enif_make_badarg(env);
-
- err:
- ret = enif_make_badarg(env);
-
- done:
- if (ctx)
- enif_release_resource(ctx);
- return ret;
-
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}
-
-ERL_NIF_TERM chacha20_stream_crypt(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
-{/* (State, Data) */
-#if defined(HAVE_CHACHA20)
- struct evp_cipher_ctx *ctx = NULL, *new_ctx = NULL;
- ErlNifBinary data_bin;
- ERL_NIF_TERM ret, cipher_term;
- unsigned char *out;
- int outl = 0;
-
- ASSERT(argc == 2);
-
- if (!enif_get_resource(env, argv[0], evp_cipher_ctx_rtype, (void**)&ctx))
- goto bad_arg;
- if (!enif_inspect_iolist_as_binary(env, argv[1], &data_bin))
- goto bad_arg;
- if (data_bin.size > INT_MAX)
- goto bad_arg;
-
- if ((new_ctx = enif_alloc_resource(evp_cipher_ctx_rtype, sizeof(struct evp_cipher_ctx))) == NULL)
- goto err;
- if ((new_ctx->ctx = EVP_CIPHER_CTX_new()) == NULL)
- goto err;
-
- if (EVP_CIPHER_CTX_copy(new_ctx->ctx, ctx->ctx) != 1)
- goto err;
- if ((out = enif_make_new_binary(env, data_bin.size, &cipher_term)) == NULL)
- goto err;
- if (EVP_CipherUpdate(new_ctx->ctx, out, &outl, data_bin.data, (int)data_bin.size) != 1)
- goto err;
- ASSERT(outl >= 0 && (size_t)outl == data_bin.size);
-
- ret = enif_make_tuple2(env, enif_make_resource(env, new_ctx), cipher_term);
- CONSUME_REDS(env, data_bin);
- goto done;
-
- bad_arg:
- return enif_make_badarg(env);
-
- err:
- ret = enif_make_badarg(env);
-
- done:
- if (new_ctx)
- enif_release_resource(new_ctx);
- return ret;
-
-#else
- return enif_raise_exception(env, atom_notsup);
-#endif
-}