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// Copyright 2014 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.
// IMPLEMENTATION NOTE: To avoid a package loop, this file is in three places:
// ssh/, ssh/agent, and ssh/test/. It should be kept in sync across all three
// instances.
package agent
import (
"crypto/rand"
"fmt"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/testdata"
)
var (
testPrivateKeys map[string]interface{}
testSigners map[string]ssh.Signer
testPublicKeys map[string]ssh.PublicKey
)
func init() {
var err error
n := len(testdata.PEMBytes)
testPrivateKeys = make(map[string]interface{}, n)
testSigners = make(map[string]ssh.Signer, n)
testPublicKeys = make(map[string]ssh.PublicKey, n)
for t, k := range testdata.PEMBytes {
testPrivateKeys[t], err = ssh.ParseRawPrivateKey(k)
if err != nil {
panic(fmt.Sprintf("Unable to parse test key %s: %v", t, err))
}
testSigners[t], err = ssh.NewSignerFromKey(testPrivateKeys[t])
if err != nil {
panic(fmt.Sprintf("Unable to create signer for test key %s: %v", t, err))
}
testPublicKeys[t] = testSigners[t].PublicKey()
}
// Create a cert and sign it for use in tests.
testCert := &ssh.Certificate{
Nonce: []byte{}, // To pass reflect.DeepEqual after marshal & parse, this must be non-nil
ValidPrincipals: []string{"gopher1", "gopher2"}, // increases test coverage
ValidAfter: 0, // unix epoch
ValidBefore: ssh.CertTimeInfinity, // The end of currently representable time.
Reserved: []byte{}, // To pass reflect.DeepEqual after marshal & parse, this must be non-nil
Key: testPublicKeys["ecdsa"],
SignatureKey: testPublicKeys["rsa"],
Permissions: ssh.Permissions{
CriticalOptions: map[string]string{},
Extensions: map[string]string{},
},
}
testCert.SignCert(rand.Reader, testSigners["rsa"])
testPrivateKeys["cert"] = testPrivateKeys["ecdsa"]
testSigners["cert"], err = ssh.NewCertSigner(testCert, testSigners["ecdsa"])
if err != nil {
panic(fmt.Sprintf("Unable to create certificate signer: %v", err))
}
}