CL_AES192_Encrypt Class Reference [clanCore Crypto]

AES-192 encryption class (running in Cipher Block Chaining mode). More...

#include <aes192_encrypt.h>

List of all members.

Public Member Functions
Construction
	CL_AES192_Encrypt ()
	Constructs a AES-192 generator (running in Cipher Block Chaining mode).
Attributes
CL_DataBuffer	get_data () const
	Get encrypted data.
Operations
static const int	iv_size = 16
static const int	key_size = 24
static const int	block_size = 16
void	reset ()
	Resets the encryption.
void	set_iv (const unsigned char iv[iv_size])
	Sets the initialisation vector.
void	set_key (const unsigned char key[key_size])
	Sets the cipher key.
void	set_padding (bool value=true, bool use_pkcs7=true, unsigned int num_additional_padded_blocks=0)
	Enable AES Padding.
void	add (const void *data, int size)
	Adds data to be encrypted.
void	add (const CL_DataBuffer &data)
	Add data to be encrypted.
void	calculate ()
	Finalize encryption.

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Detailed Description

AES-192 encryption class (running in Cipher Block Chaining mode).

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Constructor & Destructor Documentation

CL_AES192_Encrypt::CL_AES192_Encrypt

(

)

Constructs a AES-192 generator (running in Cipher Block Chaining mode).

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Member Function Documentation

void CL_AES192_Encrypt::add	(	const void *	data,
		int	size
	)

Adds data to be encrypted.

void CL_AES192_Encrypt::add

(

const CL_DataBuffer &

data

)

Add data to be encrypted.

Parameters:

data

= Data Buffer

void CL_AES192_Encrypt::calculate

(

)

Finalize encryption.

CL_DataBuffer CL_AES192_Encrypt::get_data

(

)

const

Get encrypted data.

This is the databuffer used internally to store the encrypted data. You may call "set_size()" to clear the buffer, inbetween calls to "add()" You may call "set_capacity()" to optimise storage requirements before the add() call

void CL_AES192_Encrypt::reset

(

)

Resets the encryption.

void CL_AES192_Encrypt::set_iv

(

const unsigned char

iv[iv_size]

)

Sets the initialisation vector.

This should be a random number
This must be called before the initial add()

void CL_AES192_Encrypt::set_key

(

const unsigned char

key[key_size]

)

Sets the cipher key.

This must be called before the initial add()

void CL_AES192_Encrypt::set_padding	(	bool	value = true,
		bool	use_pkcs7 = true,
		unsigned int	num_additional_padded_blocks = 0
	)

Enable AES Padding.

Example (use_pkcs7==true) : ... 0x03 0x03 0x03 (3 octets of padding) Example (use_pkcs7==false) : ... 0x02 0x02 0x02 (3 octets of padding, the last octet is the length)

Parameters:

	value	= true = Enable padding (default)
	use_pkcs7	= true = This uses the PKCS#7/RFC3369 method (Enabled by default). false = use the TLS method (rfc2246)
	num_additional_padded_blocks	= (Only valid when use_pkcs7==false). Set to "frustrate attacks on a protocol based on analysis of the lengths of exchanged messages". (Range 0 to 15)

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Member Data Documentation

const int CL_AES192_Encrypt::block_size = 16 [static]

const int CL_AES192_Encrypt::iv_size = 16 [static]

const int CL_AES192_Encrypt::key_size = 24 [static]

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

• aes192_encrypt.h