TF_EncryptorBase Class Reference

#include <pubkey.h>

Inheritance diagram for TF_EncryptorBase:

List of all members.

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Detailed Description

Definition at line 161 of file pubkey.h.

Public Member Functions
void	Encrypt (RandomNumberGenerator &rng, const byte *plainText, unsigned int plainTextLength, byte *cipherText) const
	encrypt a byte string
unsigned int	FixedMaxPlaintextLength () const
unsigned int	FixedCiphertextLength () const
virtual BufferedTransformation *	CreateEncryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL) const
	create a new encryption filter
virtual unsigned int	MaxPlaintextLength (unsigned int cipherTextLength) const =0
	maximum length of plaintext for a given ciphertext length
unsigned int	MaxPlaintextLength (unsigned int cipherTextLength) const
	maximum length of plaintext for a given ciphertext length
virtual unsigned int	CiphertextLength (unsigned int plainTextLength) const =0
	calculate length of ciphertext given length of plaintext
unsigned int	CiphertextLength (unsigned int plainTextLength) const
	calculate length of ciphertext given length of plaintext
CryptoMaterial &	AccessMaterial ()
	returns a reference to the crypto material used by this object
const CryptoMaterial &	GetMaterial () const
	returns a const reference to the crypto material used by this object
virtual PublicKey &	AccessPublicKey ()=0
virtual const PublicKey &	GetPublicKey () const
void	BERDecode (BufferedTransformation &bt)
	for backwards compatibility, calls AccessMaterial().Load(bt)
void	DEREncode (BufferedTransformation &bt) const
	for backwards compatibility, calls GetMaterial().Save(bt)
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
Protected Types
typedef RandomizedTrapdoorFunction	TrapdoorFunctionInterface
typedef PK_EncryptionMessageEncodingMethod	MessageEncodingInterface
Protected Member Functions
unsigned int	PaddedBlockByteLength () const
unsigned int	PaddedBlockBitLength () const
virtual const TrapdoorFunctionBounds &	GetTrapdoorFunctionBounds () const=0
virtual const TrapdoorFunctionInterface &	GetTrapdoorFunctionInterface () const=0
virtual const MessageEncodingInterface &	GetMessageEncodingInterface () const=0

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Member Function Documentation

void TF_EncryptorBase::Encrypt (  RandomNumberGenerator &  rng, const byte *  plainText, unsigned int  plainTextLength, byte *  cipherText )  const [virtual]

encrypt a byte string Precondition: CipherTextLength(plainTextLength) != 0 (i.e., plainText isn't too long) size of cipherText == CipherTextLength(plainTextLength) Implements PK_Encryptor. Definition at line 112 of file pubkey.cpp. References Algorithm::AlgorithmName(), Encrypt(), and SecBlock< T, A >::size(). Referenced by Encrypt().

BufferedTransformation * PK_Encryptor::CreateEncryptionFilter (  RandomNumberGenerator &  rng, BufferedTransformation *  attachment = NULL )  const [virtual, inherited]

create a new encryption filter Note: caller is responsible for deleting the returned pointer Definition at line 505 of file cryptlib.cpp. References PK_Encryptor::CreateEncryptionFilter(). Referenced by PK_Encryptor::CreateEncryptionFilter().

virtual unsigned int PK_CryptoSystem::MaxPlaintextLength (  unsigned int  cipherTextLength  )  const [pure virtual, inherited]

maximum length of plaintext for a given ciphertext length Note: This function returns 0 if cipherTextLength is not valid (too long or too short). Implemented in PK_FixedLengthCryptoSystem.

unsigned int PK_FixedLengthCryptoSystem::MaxPlaintextLength (  unsigned int  cipherTextLength  )  const [virtual, inherited]

maximum length of plaintext for a given ciphertext length Note: This function returns 0 if cipherTextLength is not valid (too long or too short). Implements PK_CryptoSystem. Definition at line 593 of file cryptlib.cpp. References PK_FixedLengthCryptoSystem::MaxPlaintextLength(). Referenced by PK_FixedLengthCryptoSystem::MaxPlaintextLength().

virtual unsigned int PK_CryptoSystem::CiphertextLength (  unsigned int  plainTextLength  )  const [pure virtual, inherited]

calculate length of ciphertext given length of plaintext Note: This function returns 0 if plainTextLength is not valid (too long). Implemented in PK_FixedLengthCryptoSystem.

unsigned int PK_FixedLengthCryptoSystem::CiphertextLength (  unsigned int  plainTextLength  )  const [virtual, inherited]

calculate length of ciphertext given length of plaintext Note: This function returns 0 if plainTextLength is not valid (too long). Implements PK_CryptoSystem. Definition at line 601 of file cryptlib.cpp. References PK_FixedLengthCryptoSystem::CiphertextLength(). Referenced by PK_FixedLengthCryptoSystem::CiphertextLength().

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The documentation for this class was generated from the following files:

• pubkey.h
• pubkey.cpp

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