TF_EncryptorBase Class Reference

#include <pubkey.h>

Inheritance diagram for TF_EncryptorBase:

List of all members.

---

Detailed Description

_

Definition at line 173 of file pubkey.h.

Public Member Functions
void	Encrypt (RandomNumberGenerator &rng, const byte *plaintext, unsigned int plaintextLength, byte *ciphertext, const NameValuePairs &parameters=g_nullNameValuePairs) const
	encrypt a byte string
bool	ParameterSupported (const char *name) const
	this object supports the use of the parameter with the given name
unsigned int	FixedMaxPlaintextLength () const
	return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0
unsigned int	FixedCiphertextLength () const
	return fixed ciphertext length, if one exists, otherwise return 0
unsigned int	MaxPlaintextLength (unsigned int ciphertextLength) const
	maximum length of plaintext for a given ciphertext length
unsigned int	CiphertextLength (unsigned int plaintextLength) const
	calculate length of ciphertext given length of plaintext
virtual BufferedTransformation *	CreateEncryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL, const NameValuePairs &parameters=g_nullNameValuePairs) const
	create a new encryption filter
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

---

Member Function Documentation

void TF_EncryptorBase::Encrypt (  RandomNumberGenerator &  rng, const byte *  plaintext, unsigned int  plaintextLength, byte *  ciphertext, const NameValuePairs &  parameters = g_nullNameValuePairs )  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 116 of file pubkey.cpp. References Algorithm::AlgorithmName(), PK_CryptoSystem::FixedCiphertextLength(), PK_CryptoSystem::FixedMaxPlaintextLength(), and SecBlock< T, A >::size().

bool TF_CryptoSystemBase< PK_Encryptor , TF_Base< RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod > >::ParameterSupported (  const char *  name  )  const [inline, virtual, inherited]

Implements PK_CryptoSystem. Definition at line 156 of file pubkey.h.

unsigned int TF_CryptoSystemBase< PK_Encryptor , TF_Base< RandomizedTrapdoorFunction, PK_EncryptionMessageEncodingMethod > >::FixedCiphertextLength (   )  const [inline, virtual, inherited]

Implements PK_FixedLengthCryptoSystemImpl< PK_Encryptor >. Definition at line 158 of file pubkey.h.

unsigned int PK_FixedLengthCryptoSystemImpl< PK_Encryptor >::MaxPlaintextLength (  unsigned int  ciphertextLength  )  const [inline, virtual, inherited]

Implements PK_CryptoSystem. Definition at line 142 of file pubkey.h.

unsigned int PK_FixedLengthCryptoSystemImpl< PK_Encryptor >::CiphertextLength (  unsigned int  plaintextLength  )  const [inline, virtual, inherited]

Implements PK_CryptoSystem. Definition at line 144 of file pubkey.h.

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

create a new encryption filter Note: The caller is responsible for deleting the returned pointer. Encoding parameters should be passed in the "EP" channel. Definition at line 564 of file cryptlib.cpp.

---

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

• pubkey.h
• pubkey.cpp

---