1 files changed, 0 insertions, 73 deletions
diff --git a/src/replay.go b/src/replay.go
deleted file mode 100644
index 5d42860..0000000
--- a/src/replay.go
+++ /dev/null
@@ -1,73 +0,0 @@
-package main
-
-/* Copyright (C) 2015-2017 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
-
-/* Implementation of RFC6479
- * https://tools.ietf.org/html/rfc6479
- *
- * The implementation is not safe for concurrent use!
- */
-
-const (
-	// See: https://golang.org/src/math/big/arith.go
-	_Wordm       = ^uintptr(0)
-	_WordLogSize = _Wordm>>8&1 + _Wordm>>16&1 + _Wordm>>32&1
-	_WordSize    = 1 << _WordLogSize
-)
-
-const (
-	CounterRedundantBitsLog = _WordLogSize + 3
-	CounterRedundantBits    = _WordSize * 8
-	CounterBitsTotal        = 2048
-	CounterWindowSize       = uint64(CounterBitsTotal - CounterRedundantBits)
-)
-
-const (
-	BacktrackWords = CounterBitsTotal / _WordSize
-)
-
-type ReplayFilter struct {
-	counter   uint64
-	backtrack [BacktrackWords]uintptr
-}
-
-func (filter *ReplayFilter) Init() {
-	filter.counter = 0
-	filter.backtrack[0] = 0
-}
-
-func (filter *ReplayFilter) ValidateCounter(counter uint64) bool {
-	if counter >= RejectAfterMessages {
-		return false
-	}
-
-	indexWord := counter >> CounterRedundantBitsLog
-
-	if counter > filter.counter {
-
-		// move window forward
-
-		current := filter.counter >> CounterRedundantBitsLog
-		diff := minUint64(indexWord-current, BacktrackWords)
-		for i := uint64(1); i <= diff; i++ {
-			filter.backtrack[(current+i)%BacktrackWords] = 0
-		}
-		filter.counter = counter
-
-	} else if filter.counter-counter > CounterWindowSize {
-
-		// behind current window
-
-		return false
-	}
-
-	indexWord %= BacktrackWords
-	indexBit := counter & uint64(CounterRedundantBits-1)
-
-	// check and set bit
-
-	oldValue := filter.backtrack[indexWord]
-	newValue := oldValue | (1 << indexBit)
-	filter.backtrack[indexWord] = newValue
-	return oldValue != newValue
-}