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-rw-r--r--src/lib/stream/ofb/ofb.cpp14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/lib/stream/ofb/ofb.cpp b/src/lib/stream/ofb/ofb.cpp
index 986e6bf71..37429cd38 100644
--- a/src/lib/stream/ofb/ofb.cpp
+++ b/src/lib/stream/ofb/ofb.cpp
@@ -5,11 +5,23 @@
* Botan is released under the Simplified BSD License (see license.txt)
*/
+#include <botan/internal/stream_utils.h>
#include <botan/ofb.h>
-#include <botan/internal/xor_buf.h>
namespace Botan {
+BOTAN_REGISTER_NAMED_T(StreamCipher, "OFB", OFB, OFB::make);
+
+OFB* OFB::make(const Spec& spec)
+ {
+ if(spec.algo_name() == "OFB" && spec.arg_count() == 1)
+ {
+ if(BlockCipher* c = Algo_Registry<BlockCipher>::global_registry().make(spec.arg(0)))
+ return new OFB(c);
+ }
+ return nullptr;
+ }
+
OFB::OFB(BlockCipher* cipher) :
m_cipher(cipher),
m_buffer(m_cipher->block_size()),