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Diffstat (limited to 'botan/build/botan/salsa20.h')
-rw-r--r-- | botan/build/botan/salsa20.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/botan/build/botan/salsa20.h b/botan/build/botan/salsa20.h new file mode 100644 index 0000000..3dbfddb --- /dev/null +++ b/botan/build/botan/salsa20.h @@ -0,0 +1,41 @@ +/* +* Salsa20 +* (C) 1999-2008 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#ifndef BOTAN_SALSA20_H__ +#define BOTAN_SALSA20_H__ + +#include <botan/stream_cipher.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_schedule(const byte[], u32bit); + + SecureBuffer<u32bit, 16> state; + + SecureBuffer<byte, 64> buffer; + u32bit position; + }; + +} + +#endif |