1 files changed, 0 insertions, 87 deletions
diff --git a/src/pkg/hash/crc64/crc64.go b/src/pkg/hash/crc64/crc64.go
deleted file mode 100644
index 692586798..000000000
--- a/src/pkg/hash/crc64/crc64.go
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package crc64 implements the 64-bit cyclic redundancy check, or CRC-64,
-// checksum. See http://en.wikipedia.org/wiki/Cyclic_redundancy_check for
-// information.
-package crc64
-
-import "hash"
-
-// The size of a CRC-64 checksum in bytes.
-const Size = 8
-
-// Predefined polynomials.
-const (
-	// The ISO polynomial, defined in ISO 3309 and used in HDLC.
-	ISO = 0xD800000000000000
-
-	// The ECMA polynomial, defined in ECMA 182.
-	ECMA = 0xC96C5795D7870F42
-)
-
-// Table is a 256-word table representing the polynomial for efficient processing.
-type Table [256]uint64
-
-// MakeTable returns the Table constructed from the specified polynomial.
-func MakeTable(poly uint64) *Table {
-	t := new(Table)
-	for i := 0; i < 256; i++ {
-		crc := uint64(i)
-		for j := 0; j < 8; j++ {
-			if crc&1 == 1 {
-				crc = (crc >> 1) ^ poly
-			} else {
-				crc >>= 1
-			}
-		}
-		t[i] = crc
-	}
-	return t
-}
-
-// digest represents the partial evaluation of a checksum.
-type digest struct {
-	crc uint64
-	tab *Table
-}
-
-// New creates a new hash.Hash64 computing the CRC-64 checksum
-// using the polynomial represented by the Table.
-func New(tab *Table) hash.Hash64 { return &digest{0, tab} }
-
-func (d *digest) Size() int { return Size }
-
-func (d *digest) BlockSize() int { return 1 }
-
-func (d *digest) Reset() { d.crc = 0 }
-
-func update(crc uint64, tab *Table, p []byte) uint64 {
-	crc = ^crc
-	for _, v := range p {
-		crc = tab[byte(crc)^v] ^ (crc >> 8)
-	}
-	return ^crc
-}
-
-// Update returns the result of adding the bytes in p to the crc.
-func Update(crc uint64, tab *Table, p []byte) uint64 {
-	return update(crc, tab, p)
-}
-
-func (d *digest) Write(p []byte) (n int, err error) {
-	d.crc = update(d.crc, d.tab, p)
-	return len(p), nil
-}
-
-func (d *digest) Sum64() uint64 { return d.crc }
-
-func (d *digest) Sum(in []byte) []byte {
-	s := d.Sum64()
-	return append(in, byte(s>>56), byte(s>>48), byte(s>>40), byte(s>>32), byte(s>>24), byte(s>>16), byte(s>>8), byte(s))
-}
-
-// Checksum returns the CRC-64 checksum of data
-// using the polynomial represented by the Table.
-func Checksum(data []byte, tab *Table) uint64 { return update(0, tab, data) }