PEAR_Exception | --Crypt_GPG_Exception | --Crypt_GPG_InvalidKeyParamsException
Crypt_GPG_InvalidKeyParamsException __construct( string $message, [integer $code = 0], [string $algorithm = 0], [string $size = 0], [string $usage = 0])
integer getAlgorithm( )
integer getSize( )
integer getUsage( )