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-rw-r--r--crypto/evp/cmeth_lib.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/crypto/evp/cmeth_lib.c b/crypto/evp/cmeth_lib.c
new file mode 100644
index 000000000000..e2295c4dc589
--- /dev/null
+++ b/crypto/evp/cmeth_lib.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <string.h>
+
+#include <openssl/evp.h>
+#include "internal/evp_int.h"
+#include "evp_locl.h"
+
+EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len)
+{
+ EVP_CIPHER *cipher = OPENSSL_zalloc(sizeof(EVP_CIPHER));
+
+ if (cipher != NULL) {
+ cipher->nid = cipher_type;
+ cipher->block_size = block_size;
+ cipher->key_len = key_len;
+ }
+ return cipher;
+}
+
+EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher)
+{
+ EVP_CIPHER *to = EVP_CIPHER_meth_new(cipher->nid, cipher->block_size,
+ cipher->key_len);
+
+ if (to != NULL)
+ memcpy(to, cipher, sizeof(*to));
+ return to;
+}
+
+void EVP_CIPHER_meth_free(EVP_CIPHER *cipher)
+{
+ OPENSSL_free(cipher);
+}
+
+int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len)
+{
+ cipher->iv_len = iv_len;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags)
+{
+ cipher->flags = flags;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size)
+{
+ cipher->ctx_size = ctx_size;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
+ int (*init) (EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *iv,
+ int enc))
+{
+ cipher->init = init;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
+ int (*do_cipher) (EVP_CIPHER_CTX *ctx,
+ unsigned char *out,
+ const unsigned char *in,
+ size_t inl))
+{
+ cipher->do_cipher = do_cipher;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
+ int (*cleanup) (EVP_CIPHER_CTX *))
+{
+ cipher->cleanup = cleanup;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
+ int (*set_asn1_parameters) (EVP_CIPHER_CTX *,
+ ASN1_TYPE *))
+{
+ cipher->set_asn1_parameters = set_asn1_parameters;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
+ int (*get_asn1_parameters) (EVP_CIPHER_CTX *,
+ ASN1_TYPE *))
+{
+ cipher->get_asn1_parameters = get_asn1_parameters;
+ return 1;
+}
+
+int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
+ int (*ctrl) (EVP_CIPHER_CTX *, int type,
+ int arg, void *ptr))
+{
+ cipher->ctrl = ctrl;
+ return 1;
+}
+
+
+int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
+ const unsigned char *key,
+ const unsigned char *iv,
+ int enc)
+{
+ return cipher->init;
+}
+int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
+ unsigned char *out,
+ const unsigned char *in,
+ size_t inl)
+{
+ return cipher->do_cipher;
+}
+
+int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *)
+{
+ return cipher->cleanup;
+}
+
+int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
+ ASN1_TYPE *)
+{
+ return cipher->set_asn1_parameters;
+}
+
+int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
+ ASN1_TYPE *)
+{
+ return cipher->get_asn1_parameters;
+}
+
+int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
+ int type, int arg,
+ void *ptr)
+{
+ return cipher->ctrl;
+}
+