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-rw-r--r--vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blowfish/cipher.go91
1 files changed, 0 insertions, 91 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blowfish/cipher.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blowfish/cipher.go
deleted file mode 100644
index 2641dadd6..000000000
--- a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blowfish/cipher.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2010 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 blowfish implements Bruce Schneier's Blowfish encryption algorithm.
-package blowfish // import "golang.org/x/crypto/blowfish"
-
-// The code is a port of Bruce Schneier's C implementation.
-// See https://www.schneier.com/blowfish.html.
-
-import "strconv"
-
-// The Blowfish block size in bytes.
-const BlockSize = 8
-
-// A Cipher is an instance of Blowfish encryption using a particular key.
-type Cipher struct {
- p [18]uint32
- s0, s1, s2, s3 [256]uint32
-}
-
-type KeySizeError int
-
-func (k KeySizeError) Error() string {
- return "crypto/blowfish: invalid key size " + strconv.Itoa(int(k))
-}
-
-// NewCipher creates and returns a Cipher.
-// The key argument should be the Blowfish key, from 1 to 56 bytes.
-func NewCipher(key []byte) (*Cipher, error) {
- var result Cipher
- if k := len(key); k < 1 || k > 56 {
- return nil, KeySizeError(k)
- }
- initCipher(&result)
- ExpandKey(key, &result)
- return &result, nil
-}
-
-// NewSaltedCipher creates a returns a Cipher that folds a salt into its key
-// schedule. For most purposes, NewCipher, instead of NewSaltedCipher, is
-// sufficient and desirable. For bcrypt compatibility, the key can be over 56
-// bytes.
-func NewSaltedCipher(key, salt []byte) (*Cipher, error) {
- if len(salt) == 0 {
- return NewCipher(key)
- }
- var result Cipher
- if k := len(key); k < 1 {
- return nil, KeySizeError(k)
- }
- initCipher(&result)
- expandKeyWithSalt(key, salt, &result)
- return &result, nil
-}
-
-// BlockSize returns the Blowfish block size, 8 bytes.
-// It is necessary to satisfy the Block interface in the
-// package "crypto/cipher".
-func (c *Cipher) BlockSize() int { return BlockSize }
-
-// Encrypt encrypts the 8-byte buffer src using the key k
-// and stores the result in dst.
-// Note that for amounts of data larger than a block,
-// it is not safe to just call Encrypt on successive blocks;
-// instead, use an encryption mode like CBC (see crypto/cipher/cbc.go).
-func (c *Cipher) Encrypt(dst, src []byte) {
- l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
- r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
- l, r = encryptBlock(l, r, c)
- dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
- dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
-}
-
-// Decrypt decrypts the 8-byte buffer src using the key k
-// and stores the result in dst.
-func (c *Cipher) Decrypt(dst, src []byte) {
- l := uint32(src[0])<<24 | uint32(src[1])<<16 | uint32(src[2])<<8 | uint32(src[3])
- r := uint32(src[4])<<24 | uint32(src[5])<<16 | uint32(src[6])<<8 | uint32(src[7])
- l, r = decryptBlock(l, r, c)
- dst[0], dst[1], dst[2], dst[3] = byte(l>>24), byte(l>>16), byte(l>>8), byte(l)
- dst[4], dst[5], dst[6], dst[7] = byte(r>>24), byte(r>>16), byte(r>>8), byte(r)
-}
-
-func initCipher(c *Cipher) {
- copy(c.p[0:], p[0:])
- copy(c.s0[0:], s0[0:])
- copy(c.s1[0:], s1[0:])
- copy(c.s2[0:], s2[0:])
- copy(c.s3[0:], s3[0:])
-}