x448

package

v1.0.1 Latest Latest Go to latest Published: Oct 24, 2025 License: MIT Imports: 3 Imported by: 0

Details

Valid go.mod file
Redistributable license
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Repository

github.com/AeonDave/cryptonite-go

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Documentation ¶

Overview ¶

Package x448 provides constant-time field arithmetic and scalar multiplication for Curve448. Portions of this file are derived from Cloudflare's CIRCL project (https://github.com/cloudflare/circl) which is licensed under the BSD 3-Clause "New" or "Revised" License. The code has been adapted to fit the needs of the cryptonite-go project.

Index ¶

Constants
func LowOrderPoint(pub *[Size]byte) bool
func ScalarBaseMult(dst *[Size]byte, scalar *[Size]byte)
func ScalarMult(dst *[Size]byte, scalar, point *[Size]byte)

Constants ¶

View Source

const Size = 56

Size is the length in bytes of field elements and Curve448 points.

Variables ¶

This section is empty.

Functions ¶

func LowOrderPoint ¶

func LowOrderPoint(pub *[Size]byte) bool

LowOrderPoint reports whether the provided public key is a low-order point on the curve or its twist. This mirrors the validation performed in CIRCL.

func ScalarBaseMult ¶

func ScalarBaseMult(dst *[Size]byte, scalar *[Size]byte)

ScalarBaseMult multiplies the canonical base point by the provided scalar.

func ScalarMult ¶

func ScalarMult(dst *[Size]byte, scalar, point *[Size]byte)

ScalarMult performs scalar multiplication on Curve448 using the Montgomery ladder. The scalar is clamped as per RFC 7748.

Types ¶

This section is empty.

Source Files ¶

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