Crypto++ 8.9
Free C++ class library of cryptographic schemes
sosemanuk.h
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1// sosemanuk.h - originally written and placed in the public domain by Wei Dai
2
3/// \file sosemanuk.h
4/// \brief Classes for Sosemanuk stream cipher
5/// \since Crypto++ 5.5
6
7#ifndef CRYPTOPP_SOSEMANUK_H
8#define CRYPTOPP_SOSEMANUK_H
9
10#include "strciphr.h"
11#include "secblock.h"
12
13// Clang 3.3 integrated assembler crash on Linux. Clang 3.4 due to compiler
14// error with .intel_syntax, http://llvm.org/bugs/show_bug.cgi?id=24232
15#if CRYPTOPP_BOOL_X32 || defined(CRYPTOPP_DISABLE_MIXED_ASM)
16# define CRYPTOPP_DISABLE_SOSEMANUK_ASM 1
17#endif
18
19NAMESPACE_BEGIN(CryptoPP)
20
21/// \brief Sosemanuk stream cipher information
22/// \since Crypto++ 5.5
23struct SosemanukInfo : public VariableKeyLength<16, 1, 32, 1, SimpleKeyingInterface::UNIQUE_IV, 16>
24{
25 CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "Sosemanuk";}
26};
27
28/// \brief Sosemanuk stream cipher implementation
29/// \since Crypto++ 5.5
31{
32protected:
33 std::string AlgorithmProvider() const;
34 void CipherSetKey(const NameValuePairs &params, const byte *key, size_t length);
35 void OperateKeystream(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount);
36 void CipherResynchronize(byte *keystreamBuffer, const byte *iv, size_t length);
37 bool CipherIsRandomAccess() const {return false;}
38#if (CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64)
39 unsigned int GetAlignment() const;
40 unsigned int GetOptimalBlockSize() const;
41#endif
42
45};
46
47/// \brief Sosemanuk stream cipher
48/// \details is a stream cipher developed by Come Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois,
49/// Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas
50/// Pornin and Hervé Sibert. Sosemanuk is one of the final four Profile 1 (software) ciphers selected for
51/// the eSTREAM Portfolio.
52/// \sa <a href="http://www.cryptolounge.org/wiki/Sosemanuk">Sosemanuk</a>
53/// \since Crypto++ 5.5
59
60NAMESPACE_END
61
62#endif
Fixed size stack-based SecBlock with 16-byte alignment.
Definition secblock.h:1259
Fixed size stack-based SecBlock.
Definition secblock.h:1246
Interface for retrieving values given their names.
Definition cryptlib.h:327
Interface for algorithms that take byte strings as keys.
Definition cryptlib.h:647
Sosemanuk stream cipher implementation.
Definition sosemanuk.h:31
SymmetricCipher implementation.
Definition strciphr.h:684
Inherited by keyed algorithms with variable key length.
Definition seckey.h:166
Crypto++ library namespace.
Classes and functions for secure memory allocations.
Classes for implementing stream ciphers.
KeystreamOperation
Keystream operation flags.
Definition strciphr.h:88
Base class for additive stream ciphers.
Definition strciphr.h:202
Sosemanuk stream cipher.
Definition sosemanuk.h:55
Sosemanuk stream cipher information.
Definition sosemanuk.h:24
Provides Encryption and Decryption typedefs used by derived classes to implement a symmetric cipher.
Definition seckey.h:414