Crypto++ 8.7
Free C++ class library of cryptographic schemes
List of all members
ChaCha_Policy Class Reference

ChaCha stream cipher implementation. More...

#include <chacha.h>

+ Inheritance diagram for ChaCha_Policy:

Additional Inherited Members

- Public Types inherited from AdditiveCipherConcretePolicy< word32, 16 >
typedef word32 WordType
 Word type for 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...
 
- Static Public Attributes inherited from AdditiveCipherConcretePolicy< word32, 16 >
static const int BYTES_PER_ITERATION
 Number of bytes for an iteration. More...
 

Detailed Description

ChaCha stream cipher implementation.

Since
Crypto++ 5.6.4

Definition at line 57 of file chacha.h.

Constructor & Destructor Documentation

◆ ~ChaCha_Policy()

virtual ChaCha_Policy::~ChaCha_Policy ( )
inlinevirtual

Definition at line 60 of file chacha.h.

◆ ChaCha_Policy()

ChaCha_Policy::ChaCha_Policy ( )
inline

Definition at line 61 of file chacha.h.


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