Crypto++ 8.7
Free C++ class library of cryptographic schemes
wake.h
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1// wake.h - originally written and placed in the public domain by Wei Dai
2
3/// \file wake.h
4/// \brief Classes for WAKE stream cipher
5
6#ifndef CRYPTOPP_WAKE_H
7#define CRYPTOPP_WAKE_H
8
9#include "seckey.h"
10#include "secblock.h"
11#include "strciphr.h"
12
13NAMESPACE_BEGIN(CryptoPP)
14
15/// \brief WAKE stream cipher information
16/// \tparam B Endianness of the stream cipher
17/// \since Crypto++ 1.0
18template <class B = BigEndian>
19struct WAKE_OFB_Info : public FixedKeyLength<32>
20{
21 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return B::ToEnum() == LITTLE_ENDIAN_ORDER ? "WAKE-OFB-LE" : "WAKE-OFB-BE";}
22};
23
24class CRYPTOPP_NO_VTABLE WAKE_Base
25{
26protected:
27 word32 M(word32 x, word32 y);
28 void GenKey(word32 k0, word32 k1, word32 k2, word32 k3);
29
30 word32 t[257];
31 word32 r3, r4, r5, r6;
32};
33
34/// \brief WAKE stream cipher operation
35/// \tparam B Endianness of the stream cipher
36/// \since Crypto++ 1.0
37template <class B = BigEndian>
38class CRYPTOPP_NO_VTABLE WAKE_Policy : public AdditiveCipherConcretePolicy<word32, 1, 64>, protected WAKE_Base
39{
40protected:
41 void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
42 // OFB
43 void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
44 bool CipherIsRandomAccess() const {return false;}
45};
46
47/// \brief WAKE stream cipher
48/// \tparam B Endianness of the stream cipher
49/// \since Crypto++ 1.0
50template <class B = BigEndian>
52{
54 typedef Encryption Decryption;
55};
56
57NAMESPACE_END
58
59#endif
Base class for additive stream ciphers with SymmetricCipher interface.
Definition: strciphr.h:298
Inherited by keyed algorithms with fixed key length.
Definition: seckey.h:125
Interface for retrieving values given their names.
Definition: cryptlib.h:322
SymmetricCipher implementation.
Definition: strciphr.h:684
Interface for one direction (encryption or decryption) of a stream cipher or cipher mode.
Definition: cryptlib.h:1291
Definition: wake.h:25
WAKE stream cipher operation.
Definition: wake.h:39
unsigned int word32
32-bit unsigned datatype
Definition: config_int.h:62
@ LITTLE_ENDIAN_ORDER
byte order is little-endian
Definition: cryptlib.h:145
Crypto++ library namespace.
Classes and functions for secure memory allocations.
Classes and functions for implementing secret key algorithms.
Classes for implementing stream ciphers.
KeystreamOperation
Keystream operation flags.
Definition: strciphr.h:88
Base class for additive stream ciphers.
Definition: strciphr.h:202
Provides Encryption and Decryption typedefs used by derived classes to implement a symmetric cipher.
Definition: seckey.h:414
WAKE stream cipher information.
Definition: wake.h:20
WAKE stream cipher.
Definition: wake.h:52