replay

package
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Published: Mar 7, 2023 License: MIT Imports: 0 Imported by: 0

Documentation

Overview

Package replay implements an efficient anti-replay algorithm as specified in RFC 6479.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type Filter

type Filter struct {
	// contains filtered or unexported fields
}

A Filter rejects replayed messages by checking if message counter value is within a sliding window of previously received messages. The zero value for Filter is an empty filter ready to use. Filters are unsafe for concurrent use.

func (*Filter) Reset

func (f *Filter) Reset()

Reset resets the filter to empty state.

func (*Filter) ValidateCounter

func (f *Filter) ValidateCounter(counter, limit uint64) bool

ValidateCounter checks if the counter should be accepted. Overlimit counters (>= limit) are always rejected.

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