Brendan LE GLAUNEC
5849898283
Unit tests functional and coverage back to 100% Add more routes to dictionary, add more credentials, add default port 5554, rename cameradar logs ENV variable, improve unit test readability, remove tmp file
62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ssh
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// Message authentication support
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import (
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"crypto/hmac"
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"crypto/sha1"
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"crypto/sha256"
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"hash"
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)
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type macMode struct {
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keySize int
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etm bool
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new func(key []byte) hash.Hash
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}
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// truncatingMAC wraps around a hash.Hash and truncates the output digest to
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// a given size.
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type truncatingMAC struct {
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length int
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hmac hash.Hash
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}
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func (t truncatingMAC) Write(data []byte) (int, error) {
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return t.hmac.Write(data)
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}
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func (t truncatingMAC) Sum(in []byte) []byte {
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out := t.hmac.Sum(in)
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return out[:len(in)+t.length]
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}
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func (t truncatingMAC) Reset() {
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t.hmac.Reset()
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}
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func (t truncatingMAC) Size() int {
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return t.length
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}
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func (t truncatingMAC) BlockSize() int { return t.hmac.BlockSize() }
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var macModes = map[string]*macMode{
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"hmac-sha2-256-etm@openssh.com": {32, true, func(key []byte) hash.Hash {
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return hmac.New(sha256.New, key)
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}},
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"hmac-sha2-256": {32, false, func(key []byte) hash.Hash {
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return hmac.New(sha256.New, key)
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}},
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"hmac-sha1": {20, false, func(key []byte) hash.Hash {
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return hmac.New(sha1.New, key)
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}},
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"hmac-sha1-96": {20, false, func(key []byte) hash.Hash {
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return truncatingMAC{12, hmac.New(sha1.New, key)}
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}},
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}
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