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-rw-r--r--src/cipher/salsa20/salsa20.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/cipher/salsa20/salsa20.h b/src/cipher/salsa20/salsa20.h
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index 000000000..e107d8569
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+++ b/src/cipher/salsa20/salsa20.h
@@ -0,0 +1,39 @@
+/*************************************************
+* Salsa20 Header File *
+* (C) 1999-2008 Jack Lloyd *
+*************************************************/
+
+#ifndef BOTAN_SALSA20_H__
+#define BOTAN_SALSA20_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* Salsa20 *
+*************************************************/
+class BOTAN_DLL Salsa20 : public StreamCipher
+ {
+ public:
+ void clear() throw();
+ std::string name() const;
+ StreamCipher* clone() const { return new Salsa20; }
+
+ void resync(const byte[], u32bit);
+
+ Salsa20();
+ ~Salsa20() { clear(); }
+ private:
+ void cipher(const byte[], byte[], u32bit);
+ void key(const byte[], u32bit);
+
+ SecureBuffer<u32bit, 16> state;
+
+ SecureBuffer<byte, 64> buffer;
+ u32bit position;
+ };
+
+}
+
+#endif