Crypto++ 8.7
Free C++ class library of cryptographic schemes
|
ChaCha stream cipher implementation. More...
#include <chacha.h>
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 ¶ms, 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... | |