XSalsa20 stream cipher operation. More...

#include <salsa.h>

Inheritance diagram for XSalsa20_Policy:

Public Member Functions
void	CipherSetKey (const NameValuePairs &params, const byte *key, size_t length)
	Key the cipher. More...

void	CipherResynchronize (byte keystreamBuffer, const byte IV, size_t length)
	Resynchronize the cipher. More...

Public Member Functions inherited from AdditiveCipherConcretePolicy< word32, 16 >
unsigned int	GetAlignment () const
	Provides data alignment requirements. More...

unsigned int	GetBytesPerIteration () const
	Provides number of bytes operated upon during an iteration. More...

unsigned int	GetIterationsToBuffer () const
	Provides buffer size based on iterations. More...

bool	CanOperateKeystream () const
	Flag indicating. More...

virtual void	OperateKeystream (KeystreamOperation operation, byte output, const byte input, size_t iterationCount)=0
	Operates the keystream. More...

Public Member Functions inherited from AdditiveCipherAbstractPolicy
virtual unsigned int	GetAlignment () const
	Provides data alignment requirements. More...

virtual unsigned int	GetBytesPerIteration () const =0
	Provides number of bytes operated upon during an iteration. More...

virtual unsigned int	GetOptimalBlockSize () const
	Provides number of ideal bytes to process. More...

virtual unsigned int	GetIterationsToBuffer () const =0
	Provides buffer size based on iterations. More...

virtual void	WriteKeystream (byte *keystream, size_t iterationCount)
	Generate the keystream. More...

virtual bool	CanOperateKeystream () const
	Flag indicating. More...

virtual void	OperateKeystream (KeystreamOperation operation, byte output, const byte input, size_t iterationCount)
	Operates the keystream. More...

virtual void	CipherSetKey (const NameValuePairs &params, const byte *key, size_t length)=0
	Key the cipher. More...

virtual void	CipherResynchronize (byte keystreamBuffer, const byte iv, size_t length)
	Resynchronize the cipher. More...

virtual bool	CipherIsRandomAccess () const =0
	Flag indicating random access. More...

virtual void	SeekToIteration (lword iterationCount)
	Seeks to a random position in the stream. More...

virtual std::string	AlgorithmProvider () const
	Retrieve the provider of this algorithm. More...

Additional Inherited Members
Public Types inherited from AdditiveCipherConcretePolicy< word32, 16 >
typedef word32	WordType
	Word type for the cipher. More...

Static Public Attributes inherited from AdditiveCipherConcretePolicy< word32, 16 >
static const int	BYTES_PER_ITERATION
	Number of bytes for an iteration. More...

Detailed Description

XSalsa20 stream cipher operation.

Since: Crypto++ 5.4

Definition at line 82 of file salsa.h.

Member Function Documentation

◆ CipherSetKey()

void XSalsa20_Policy::CipherSetKey	(	const NameValuePairs &	params,
		const byte *	key,
		size_t	length
	)

virtual

Key the cipher.

Parameters

params	set of NameValuePairs use to initialize this object
key	a byte array used to key the cipher
length	the size of the key array

Reimplemented from Salsa20_Policy.

Definition at line 708 of file salsa.cpp.

◆ CipherResynchronize()

void XSalsa20_Policy::CipherResynchronize	(	byte *	keystreamBuffer,
		const byte *	iv,
		size_t	length
	)

virtual

Resynchronize the cipher.

Parameters

keystreamBuffer	the keystream buffer
iv	a byte array used to resynchronize the cipher
length	the size of the IV array

Reimplemented from Salsa20_Policy.

Definition at line 725 of file salsa.cpp.

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

Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ CipherSetKey()

◆ CipherResynchronize()