Inheritance diagram for DL_DecryptorImpl< SCHEME_OPTIONS >:

Public Types
typedef SCHEME_OPTIONS::PrivateKey::Element	Element

typedef SCHEME_OPTIONS	SchemeOptions

Public Member Functions
PrivateKey &	AccessPrivateKey ()

PublicKey &	AccessPublicKey ()

const SCHEME_OPTIONS::PrivateKey &	GetKey () const

SCHEME_OPTIONS::PrivateKey &	AccessKey ()

std::string	AlgorithmName () const

DecodingResult	Decrypt (RandomNumberGenerator &rng, const byte ciphertext, size_t ciphertextLength, byte plaintext, const NameValuePairs &parameters=g_nullNameValuePairs) const
	Decrypt a byte string. More...

size_t	MaxPlaintextLength (size_t ciphertextLength) const

size_t	CiphertextLength (size_t plaintextLength) const

bool	ParameterSupported (const char *name) const

virtual BufferedTransformation *	CreateDecryptionFilter (RandomNumberGenerator &rng, BufferedTransformation *attachment=NULL, const NameValuePairs &parameters=g_nullNameValuePairs) const
	create a new decryption filter More...

DecodingResult	FixedLengthDecrypt (RandomNumberGenerator &rng, const byte ciphertext, byte plaintext, const NameValuePairs &parameters=g_nullNameValuePairs) const
	decrypt a fixed size ciphertext

virtual size_t	FixedCiphertextLength () const
	return fixed ciphertext length, if one exists, otherwise return 0 More...

virtual size_t	FixedMaxPlaintextLength () const
	return maximum plaintext length given the fixed ciphertext length, if one exists, otherwise return 0

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 const PrivateKey &	GetPrivateKey () 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 Clonable *	Clone () const
	Copies this object. More...

Static Public Member Functions
static std::string	StaticAlgorithmName ()

Detailed Description

template<class SCHEME_OPTIONS>
class DL_DecryptorImpl< SCHEME_OPTIONS >

_

Definition at line 1641 of file pubkey.h.

Member Function Documentation

DecodingResult DL_DecryptorBase< SCHEME_OPTIONS::Element >::Decrypt	(	RandomNumberGenerator &	rng,
		const byte *	ciphertext,
		size_t	ciphertextLength,
		byte *	plaintext,
		const NameValuePairs &	parameters = `g_nullNameValuePairs`
	)		const

inlinevirtualinherited

Decrypt a byte string.

Parameters

rng	a RandomNumberGenerator derived class
ciphertext	the encrypted byte buffer
ciphertextLength	the size of the encrypted byte buffer
plaintext	a byte buffer to hold the decrypted string
parameters	additional configuration options

Returns: the result of the decryption operation

Precondition: COUNTOF(plaintext) == MaxPlaintextLength(ciphertextLength) ensures the output byte buffer is large enough

If DecodingResult::isValidCoding is true, then DecodingResult::messageLength is valid and holds the the actual length of the plaintext recovered. on success. The result is undefined if decryption failed. If DecodingResult::isValidCoding is false, then DecodingResult::messageLength is undefined.

See also: PK_Encryptor

Implements PK_Decryptor.

Definition at line 1440 of file pubkey.h.

References SecBlock< T, A >::size().

BufferedTransformation * PK_Decryptor::CreateDecryptionFilter	(	RandomNumberGenerator &	rng,
		BufferedTransformation *	attachment = `NULL`,
		const NameValuePairs &	parameters = `g_nullNameValuePairs`
	)		const

virtualinherited

create a new decryption filter

Note: caller is responsible for deleting the returned pointer

Definition at line 864 of file cryptlib.cpp.

virtual size_t PK_CryptoSystem::FixedCiphertextLength ( ) const

inlinevirtualinherited

return fixed ciphertext length, if one exists, otherwise return 0

Note: "Fixed" here means length of ciphertext does not depend on length of plaintext. It usually does depend on the key length.

Definition at line 2150 of file cryptlib.h.

virtual Clonable* Clonable::Clone ( ) const

inlinevirtualinherited

Copies this object.

Returns: a copy of this object

Exceptions

NotImplemented

Note: this is not implemented by most classes

See also: NotCopyable

Definition at line 464 of file cryptlib.h.

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

pubkey.h

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

template<class SCHEME_OPTIONS> class DL_DecryptorImpl< SCHEME_OPTIONS >

Member Function Documentation

template<class SCHEME_OPTIONS>
class DL_DecryptorImpl< SCHEME_OPTIONS >