#include <arc4.h>
Inheritance diagram for ARC4_Base:

Definition at line 9 of file arc4.h.
Public Types | |
|
typedef SymmetricCipherFinal< ARC4_Base > | Encryption |
| implements the SymmetricCipher interface | |
|
typedef SymmetricCipherFinal< ARC4_Base > | Decryption |
| implements the SymmetricCipher interface | |
| enum | |
| enum | |
Public Member Functions | |
| ~ARC4_Base () | |
| byte | GenerateByte () |
| generate new random byte and return it | |
| void | DiscardBytes (size_t n) |
| generate and discard n bytes | |
| void | ProcessData (byte *outString, const byte *inString, size_t length) |
| encrypt or decrypt an array of bytes of specified length | |
| bool | IsRandomAccess () const |
| returns whether this cipher supports random access | |
| bool | IsSelfInverting () const |
| returns whether this transformation is self-inverting (e.g. xor with a keystream) | |
| bool | IsForwardTransformation () const |
| returns whether this is an encryption object | |
| virtual unsigned int | GenerateBit () |
| generate new random bit and return it | |
| virtual word32 | GenerateWord32 (word32 a=0, word32 b=0xffffffffL) |
| generate a random 32 bit word in the range min to max, inclusive | |
| virtual void | GenerateBlock (byte *output, size_t size) |
| generate random array of bytes | |
| template<class IT> | |
| void | Shuffle (IT begin, IT end) |
| randomly shuffle the specified array, resulting permutation is uniformly distributed | |
| virtual std::string | AlgorithmName () const |
| returns name of this algorithm, not universally implemented yet | |
| virtual Clonable * | Clone () const |
| this is not implemented by most classes yet | |
Static Public Member Functions | |
| static const char * | StaticAlgorithmName () |
| static size_t __cdecl | StaticGetValidKeyLength (size_t n) |
Protected Member Functions | |
| void | UncheckedSetKey (const NameValuePairs ¶ms, const byte *key, unsigned int length, const byte *iv) |
| virtual unsigned int | GetDefaultDiscardBytes () const |
Protected Attributes | |
| FixedSizeSecBlock< byte, 256 > | m_state |
| byte | m_x |
| byte | m_y |
| void ARC4_Base::DiscardBytes | ( | size_t | n | ) | [virtual] |
generate and discard n bytes
Default implementation is to call GenerateByte() n times.
Reimplemented from RandomNumberGenerator.
Definition at line 97 of file arc4.cpp.
References m_state, m_x, and m_y.
Referenced by UncheckedSetKey().
| void ARC4_Base::ProcessData | ( | byte * | outString, | |
| const byte * | inString, | |||
| size_t | length | |||
| ) | [virtual] |
| unsigned int RandomNumberGenerator::GenerateBit | ( | ) | [virtual, inherited] |
generate new random bit and return it
Default implementation is to call GenerateByte() and return its parity.
Reimplemented in PublicBlumBlumShub.
Definition at line 111 of file cryptlib.cpp.
References RandomNumberGenerator::GenerateByte().
Referenced by XTR_FindPrimesAndGenerator().
| void RandomNumberGenerator::GenerateBlock | ( | byte * | output, | |
| size_t | size | |||
| ) | [virtual, inherited] |
generate random array of bytes
Default implementation is to call GenerateByte() size times.
Reimplemented in NonblockingRng, BlockingRng, and RandomPool.
Definition at line 116 of file cryptlib.cpp.
References RandomNumberGenerator::GenerateByte().
Referenced by PSSR_MEM_Base::ComputeMessageRepresentative(), DL_GroupParameters_DSA::GenerateRandom(), OAEP_Base::Pad(), Integer::Randomize(), PolynomialMod2::Randomize(), and ElGamalBase::SymmetricEncrypt().
1.5.1-p1