-/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- *
- * Libhashkit library
- *
- * Copyright (C) 2012 Data Differential, http://datadifferential.com/
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *
- * * The names of its contributors may not be used to endorse or
- * promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached-awesome - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020-2021 Michael Wallner https://awesome.co/ |
+ +--------------------------------------------------------------------+
+*/
#include "libhashkit/common.h"
-hashkit_string_st *hashkit_encrypt(hashkit_st *kit,
- const char* source, size_t source_length)
-{
- return aes_encrypt(static_cast<aes_key_t*>(kit->_key), source, source_length);
+#ifdef HAVE_OPENSSL_CRYPTO
+# include <openssl/evp.h>
+#endif
+
+hashkit_string_st *hashkit_encrypt(hashkit_st *kit, const char *source, size_t source_length) {
+#ifdef HAVE_OPENSSL_CRYPTO
+ return aes_encrypt((encryption_context_t *) kit->_cryptographic_context,
+ (const unsigned char *) source, source_length);
+#else
+ return aes_encrypt((aes_key_t *) kit->_cryptographic_context, source,
+ source_length);
+#endif
}
-hashkit_string_st *hashkit_decrypt(hashkit_st *kit,
- const char* source, size_t source_length)
-{
- return aes_decrypt(static_cast<aes_key_t*>(kit->_key), source, source_length);
+hashkit_string_st *hashkit_decrypt(hashkit_st *kit, const char *source, size_t source_length) {
+#ifdef HAVE_OPENSSL_CRYPTO
+ return aes_decrypt((encryption_context_t *) kit->_cryptographic_context,
+ (const unsigned char *) source, source_length);
+#else
+ return aes_decrypt((aes_key_t *)kit->_cryptographic_context, source, source_length);
+#endif
}
-bool hashkit_key(hashkit_st *kit, const char *key, const size_t key_length)
-{
- if (kit->_key)
+#ifdef HAVE_OPENSSL_CRYPTO
+bool hashkit_key(hashkit_st *kit, const char *key, const size_t key_length) {
+ kit->_cryptographic_context = (encryption_context_t *) malloc(sizeof(encryption_context_t));
+ ((encryption_context_t *) kit->_cryptographic_context)->encryption_context = EVP_CIPHER_CTX_new();
+ ((encryption_context_t *) kit->_cryptographic_context)->decryption_context = EVP_CIPHER_CTX_new();
+ if (((encryption_context_t *) kit->_cryptographic_context)->encryption_context == NULL
+ || ((encryption_context_t *) kit->_cryptographic_context)->decryption_context == NULL)
{
- free(kit->_key);
+ return false;
}
-
- kit->_key= aes_create_key(key, key_length);
-
- return bool(kit->_key);
+ return aes_initialize((const unsigned char *) key, key_length,
+ (encryption_context_t *) kit->_cryptographic_context);
}
+#else
+bool hashkit_key(hashkit_st *kit, const char *key, const size_t key_length) {
+ if (kit->_cryptographic_context) {
+ free(kit->_cryptographic_context);
+ }
+
+ kit->_cryptographic_context = aes_create_key(key, key_length);
+ return bool(kit->_cryptographic_context);
+}
+#endif