Constants

bytes1 constant UP_FLAG_MASK = 0x01;

bytes1 constant UV_FLAG_MASK = 0x04;

bytes1 constant BOTH_FLAG_MASK = 0x05;

uint256 constant OFFSET_CLIENT_TYPE = 0x12;

bytes1 constant TYPE_GET_INDICATOR = 0x67;

bytes1 constant TYPE_CREATE_INDICATOR = 0x63;

uint256 constant OFFSET_CLIENT_CHALLENGE_GET = 0x24;

uint256 constant OFFSET_CLIENT_CHALLENGE_CREATE = 0x27;

uint256 constant OFFSET_CREDID_LENGTH = 0x35;

uint256 constant CREDID_LENGTH_LENGTH = 0x02;

uint256 constant OFFSET_CREDID = 0x37;

uint256 constant OFFSET_FLAG = 0x20;

uint256 constant P256R1_PUBKEY_COORD_LENGTH = 0x20;