Crypto++  8.2
Free C++ class library of cryptographic schemes
Public Types | List of all members
XChaCha20 Struct Reference

XChaCha stream cipher. More...

+ Inheritance diagram for XChaCha20:

Public Types

typedef SymmetricCipherFinal< ConcretePolicyHolder< XChaCha20_Policy, AdditiveCipherTemplate<> >, XChaCha20_InfoEncryption
 XChaCha Encryption.
 
typedef Encryption Decryption
 XChaCha Decryption.
 
- Public Types inherited from SymmetricCipherDocumentation
typedef SymmetricCipher Encryption
 implements the SymmetricCipher interface
 
typedef SymmetricCipher Decryption
 implements the SymmetricCipher interface
 

Additional Inherited Members

- Static Public Member Functions inherited from XChaCha20_Info
static const char * StaticAlgorithmName ()
 The algorithm name. More...
 
- Static Public Member Functions inherited from FixedKeyLength< 32, SimpleKeyingInterface::UNIQUE_IV, 24 >
static size_t CRYPTOPP_API StaticGetValidKeyLength (size_t keylength)
 The default key length for the algorithm provided by a static function. More...
 
- Static Public Attributes inherited from FixedKeyLength< 32, SimpleKeyingInterface::UNIQUE_IV, 24 >
static const int KEYLENGTH
 The default key length used by the algorithm provided as a constant. More...
 
static const int MIN_KEYLENGTH
 The minimum key length used by the algorithm provided as a constant. More...
 
static const int MAX_KEYLENGTH
 The maximum key length used by the algorithm provided as a constant. More...
 
static const int DEFAULT_KEYLENGTH
 The default key length used by the algorithm provided as a constant. More...
 
static const int IV_REQUIREMENT
 The default IV requirements for the algorithm provided as a constant. More...
 
static const int IV_LENGTH
 The default IV length used by the algorithm provided as a constant. More...
 

Detailed Description

XChaCha stream cipher.

This is the IETF's XChaCha from draft-arciszewski-xchacha.

See also
XChaCha: eXtended-nonce ChaCha and AEAD_XChaCha20_Poly1305 (rev. 03), How to handle block counter wrap in IETF's ChaCha algorithm? and Issue 790, ChaCha20 results when counter block wraps.
Since
Crypto++ 8.1

Definition at line 213 of file chacha.h.


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