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-rw-r--r--old/botan/src/modes/cfb/cfb.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/old/botan/src/modes/cfb/cfb.h b/old/botan/src/modes/cfb/cfb.h
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+++ b/old/botan/src/modes/cfb/cfb.h
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+/*
+* CFB Mode
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_CFB_H__
+#define BOTAN_CFB_H__
+
+#include <botan/modebase.h>
+
+namespace Botan {
+
+/*
+* CFB Encryption
+*/
+class BOTAN_DLL CFB_Encryption : public BlockCipherMode
+ {
+ public:
+ CFB_Encryption(BlockCipher*, u32bit = 0);
+ CFB_Encryption(BlockCipher*, const SymmetricKey&,
+ const InitializationVector&, u32bit = 0);
+ private:
+ void write(const byte[], u32bit);
+ void feedback();
+ const u32bit FEEDBACK_SIZE;
+ };
+
+/*
+* CFB Decryption
+*/
+class BOTAN_DLL CFB_Decryption : public BlockCipherMode
+ {
+ public:
+ CFB_Decryption(BlockCipher*, u32bit = 0);
+ CFB_Decryption(BlockCipher*, const SymmetricKey&,
+ const InitializationVector&, u32bit = 0);
+ private:
+ void write(const byte[], u32bit);
+ void feedback();
+ const u32bit FEEDBACK_SIZE;
+ };
+
+}
+
+#endif