ProtocolPP::aead_chacha_poly1305 Class Reference

Public Types
enum	dir_t { ENC , DEC }
	Direction of processing for dual mode. More...

Public Member Functions
	aead_chacha_poly1305 (dir_t direction, const unsigned char *key, uint32_t keylen, const unsigned char *nonce, uint32_t noncelen, uint32_t icvlen=0)
	~aead_chacha_poly1305 ()
	Standard Deconstructor for AEAD CHACHA20-POLY1305 algorithm.
void	ProcessData (const unsigned char *input, unsigned char *output, uint32_t length, const unsigned char *aad, uint32_t aadlen)
void	result (unsigned char *icv, uint32_t length=16)
	aead_chacha_poly1305 (aead_chacha_poly1305 &rhs)=delete
	aead_chacha_poly1305 (const aead_chacha_poly1305 &rhs)=delete

Member Enumeration Documentation

dir_t

enum ProtocolPP::aead_chacha_poly1305::dir_t

Direction of processing for dual mode.

Enumerator
ENC	Encryption.
DEC	Decryption.

Constructor & Destructor Documentation

aead_chacha_poly1305()

ProtocolPP::aead_chacha_poly1305::aead_chacha_poly1305	(	dir_t	direction,
		const unsigned char *	key,
		uint32_t	keylen,
		const unsigned char *	nonce,
		uint32_t	noncelen,
		uint32_t	icvlen = 0
	)

Constructor for AEAD CHACHA20-POLY1305 algorithm

Parameters

direction	- direction of processing
key	- initialization key
keylen	- length of the key in bytes
nonce	- nonce for computation
noncelen	- length of the nonce in bytes
icvlen	- for decryption, length of the ICV tag

Member Function Documentation

ProcessData()

void ProtocolPP::aead_chacha_poly1305::ProcessData	(	const unsigned char *	input,
		unsigned char *	output,
		uint32_t	length,
		const unsigned char *	aad,
		uint32_t	aadlen
	)

Calculates the ciphertext and MAC for AEAD CHACHA20-POLY1305 algorithm

Parameters

input	- data to process
output	- result of the computation
length	- length of the data
aad	- authentication only data
aadlen	- length of the AAD data

result()

void ProtocolPP::aead_chacha_poly1305::result	(	unsigned char *	icv,
		uint32_t	length = 16
	)

Returns the MAC using for AEAD CHACHA20-POLY1305 algorithm

Parameters

icv	- ICV tag to retrieve
length	- length of ICV to retrieve

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

• include/aead_chacha_poly1305.h