ed25519_point

Module for ed25519 point.

class Ed25519PointConst

Bases: object

Class container for ed25519 point constants.

POINT_COORD_BYTE_LEN: int = 32

class Ed25519Point(point_bytes: bytes)

Bases: IPoint

Ed25519 point class.

classmethod FromBytes(point_bytes: bytes) → IPoint

Construct class from point bytes.

Parameters:: point_bytes (bytes) – Point bytes
Returns:: IPoint object
Return type:: IPoint

classmethod FromCoordinates(x: int, y: int) → IPoint

Construct class from point coordinates.

Parameters:

x (int) – X coordinate of the point
y (int) – Y coordinate of the point

Returns:

IPoint object

Return type:

IPoint

m_enc_bytes: bytes

m_is_generator: bool

m_x: Optional[int]

m_y: Optional[int]

static CurveType() → EllipticCurveTypes

Get the elliptic curve type.

Returns:: Elliptic curve type
Return type:: EllipticCurveTypes

static CoordinateLength() → int

Get the coordinate length.

Returns:: Coordinate key length
Return type:: int

UnderlyingObject() → Any

Get the underlying object.

Returns:: Underlying object
Return type:: Any

X() → int

Get point X coordinate.

Returns:: Point X coordinate
Return type:: int

Y() → int

Get point Y coordinate.

Returns:: Point Y coordinate
Return type:: int

Raw() → DataBytes

Return the point encoded to raw bytes.

Returns:: DataBytes object
Return type:: DataBytes object

RawEncoded() → DataBytes

Return the encoded point raw bytes.

Returns:: DataBytes object
Return type:: DataBytes object

RawDecoded() → DataBytes

Return the decoded point raw bytes.

Returns:: DataBytes object
Return type:: DataBytes object

__add__(point: IPoint) → IPoint

Add point to another point.

Parameters:: point (IPoint object) – IPoint object
Returns:: IPoint object
Return type:: IPoint object

__radd__(point: IPoint) → IPoint

Add point to another point.

Parameters:: point (IPoint object) – IPoint object
Returns:: IPoint object
Return type:: IPoint object

__mul__(scalar: int) → IPoint

Multiply point by a scalar.

Parameters:: scalar (int) – scalar
Returns:: IPoint object
Return type:: IPoint object

__rmul__(scalar: int) → IPoint

Multiply point by a scalar.

Parameters:: scalar (int) – scalar
Returns:: IPoint object
Return type:: IPoint object