1 // Copyright 2015 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.
17 Iterations int `asn1:"optional,default:1"`
21 type digestInfo struct {
22 Algorithm pkix.AlgorithmIdentifier
27 oidSHA1 = asn1.ObjectIdentifier([]int{1, 3, 14, 3, 2, 26})
30 func verifyMac(macData *macData, message, password []byte) error {
31 if !macData.Mac.Algorithm.Algorithm.Equal(oidSHA1) {
32 return NotImplementedError("unknown digest algorithm: " + macData.Mac.Algorithm.Algorithm.String())
35 key := pbkdf(sha1Sum, 20, 64, macData.MacSalt, password, macData.Iterations, 3, 20)
37 mac := hmac.New(sha1.New, key)
39 expectedMAC := mac.Sum(nil)
41 if !hmac.Equal(macData.Mac.Digest, expectedMAC) {
42 return ErrIncorrectPassword