libhashkit/aes: make using openssl configurable

[awesomized/libmemcached] / src / libhashkit / aes.h

diff --git a/src/libhashkit/aes.h b/src/libhashkit/aes.h
index c4b0fd71ace974c9b001a998b078a17968bb07e1..243d501fef02049488bef501c0c14cbb56adf80c 100644 (file)
--- a/src/libhashkit/aes.h
+++ b/src/libhashkit/aes.h
@@ -1,6 +1,6 @@
 /*
     +--------------------------------------------------------------------+
-    | libmemcached - C/C++ Client Library for memcached                  |
+    | 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.    |
@@ -15,6 +15,27 @@
 
 #pragma once
 
+#ifdef HAVE_OPENSSL_CRYPTO
+
+#include <openssl/evp.h>
+
+typedef struct encryption_context {
+  EVP_CIPHER_CTX *encryption_context;
+  EVP_CIPHER_CTX *decryption_context;
+} encryption_context_t;
+
+hashkit_string_st *aes_encrypt(encryption_context_t *crypto_context, const unsigned char *source,
+                               size_t source_length);
+
+hashkit_string_st *aes_decrypt(encryption_context_t *crypto_context, const unsigned char *source,
+                               size_t source_length);
+
+bool aes_initialize(const unsigned char *key, const size_t key_length,
+                    encryption_context_t *crypto_context);
+
+encryption_context_t *aes_clone_cryptographic_context(encryption_context_t *source);
+#else
+
 struct aes_key_t;
 
 hashkit_string_st *aes_encrypt(aes_key_t *_aes_key, const char *source, size_t source_length);
@@ -24,3 +45,4 @@ hashkit_string_st *aes_decrypt(aes_key_t *_aes_key, const char *source, size_t s
 aes_key_t *aes_create_key(const char *key, const size_t key_length);
 
 aes_key_t *aes_clone_key(aes_key_t *_aes_key);
+#endif