PHP Class Horde_Pgp_Crypt_DSA, horde

Author: TSURUOKA Naoya ([email protected])

Author: Benjamin Krämer ([email protected])

Author: Michael Slusarz ([email protected])

Show file Open project: horde/horde Class Usage Examples

Public Methods

Method	Description
__construct ( OpenPGP_PublicKeyPacket $key )	Constructor.
generate ( phpseclib\Math\BigInteger $p, phpseclib\Math\BigInteger $q, phpseclib\Math\BigInteger $g ) : array	DSA keypair creation.
randomNumber ( phpseclib\Math\BigInteger $q ) : phpseclib\Math\BigInteger	Generate a number that lies between 0 and q-1.
sign ( string $message, string $hash_alg ) : array	DSA sign.
verify ( string $message, string $hash_alg, phpseclib\Math\BigInteger $r, phpseclib\Math\BigInteger $s ) : boolean	DSA verify.

Method Details

__construct() public method

Constructor.

public __construct ( OpenPGP_PublicKeyPacket $key )
$key	OpenPGP_PublicKeyPacket	Key data.

generate() public method

DSA keypair creation.

public generate ( phpseclib\Math\BigInteger $p, phpseclib\Math\BigInteger $q, phpseclib\Math\BigInteger $g ) : array
$p	phpseclib\Math\BigInteger	p
$q	phpseclib\Math\BigInteger	q
$g	phpseclib\Math\BigInteger	g
return	array	Keys: - x: (\phpseclib\Math\BigInteger) Private key. - y: (\phpseclib\Math\BigInteger) Public key.

randomNumber() public static method

Generate a number that lies between 0 and q-1.

public static randomNumber ( phpseclib\Math\BigInteger $q ) : phpseclib\Math\BigInteger
$q	phpseclib\Math\BigInteger	Max number.
return	phpseclib\Math\BigInteger	Generated number.

sign() public method

DSA sign.

public sign ( string $message, string $hash_alg ) : array
$message	string	Message.
$hash_alg	string	Hash algorithm.
return	array	r,s key

verify() public method

DSA verify.

public verify ( string $message, string $hash_alg, phpseclib\Math\BigInteger $r, phpseclib\Math\BigInteger $s ) : boolean
$message	string	Message.
$hash_alg	string	Hash algorithm.
$r	phpseclib\Math\BigInteger	r.
$s	phpseclib\Math\BigInteger	s.
return	boolean	True if verified.