subtle

package
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Published: Jan 21, 2013 License: BSD-3-Clause Imports: 0 Imported by: 0

Documentation

Overview

Package subtle implements functions that are often useful in cryptographic code but require careful thought to use correctly.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func ConstantTimeByteEq

func ConstantTimeByteEq(x, y uint8) int

ConstantTimeByteEq returns 1 if x == y and 0 otherwise.

func ConstantTimeCompare

func ConstantTimeCompare(x, y []byte) int

ConstantTimeCompare returns 1 iff the two equal length slices, x and y, have equal contents. The time taken is a function of the length of the slices and is independent of the contents.

func ConstantTimeCopy

func ConstantTimeCopy(v int, x, y []byte)

ConstantTimeCopy copies the contents of y into x iff v == 1. If v == 0, x is left unchanged. Its behavior is undefined if v takes any other value.

func ConstantTimeEq

func ConstantTimeEq(x, y int32) int

ConstantTimeEq returns 1 if x == y and 0 otherwise.

func ConstantTimeSelect

func ConstantTimeSelect(v, x, y int) int

ConstantTimeSelect returns x if v is 1 and y if v is 0. Its behavior is undefined if v takes any other value.

Types

This section is empty.

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