libgo/go/crypto/aes/modes.go

   1 // Copyright 2016 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package aes
   6
   7 import (
   8         "crypto/cipher"
   9 )
  10
  11 // gcmAble is implemented by cipher.Blocks that can provide an optimized
  12 // implementation of GCM through the AEAD interface.
  13 // See crypto/cipher/gcm.go.
  14 type gcmAble interface {
  15         NewGCM(nonceSize, tagSize int) (cipher.AEAD, error)
  16 }
  17
  18 // cbcEncAble is implemented by cipher.Blocks that can provide an optimized
  19 // implementation of CBC encryption through the cipher.BlockMode interface.
  20 // See crypto/cipher/cbc.go.
  21 type cbcEncAble interface {
  22         NewCBCEncrypter(iv []byte) cipher.BlockMode
  23 }
  24
  25 // cbcDecAble is implemented by cipher.Blocks that can provide an optimized
  26 // implementation of CBC decryption through the cipher.BlockMode interface.
  27 // See crypto/cipher/cbc.go.
  28 type cbcDecAble interface {
  29         NewCBCDecrypter(iv []byte) cipher.BlockMode
  30 }
  31
  32 // ctrAble is implemented by cipher.Blocks that can provide an optimized
  33 // implementation of CTR through the cipher.Stream interface.
  34 // See crypto/cipher/ctr.go.
  35 type ctrAble interface {
  36         NewCTR(iv []byte) cipher.Stream
  37 }