135 lines
3.4 KiB
Go
135 lines
3.4 KiB
Go
/*
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Copyright 2018 The Jetstack cert-manager contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package pki
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import (
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"crypto/ecdsa"
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"crypto/rsa"
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"encoding/pem"
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"strings"
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"testing"
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"github.com/jetstack/cert-manager/pkg/apis/certmanager/v1alpha1"
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)
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func generatePrivateKeyBytes(keyAlgo v1alpha1.KeyAlgorithm, keySize int) ([]byte, error) {
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privateKey, err := GeneratePrivateKeyForCertificate(buildCertificateWithKeyParams(keyAlgo, keySize))
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if err != nil {
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return nil, err
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}
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return EncodePrivateKey(privateKey)
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}
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func TestDecodePrivateKeyBytes(t *testing.T) {
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type testT struct {
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name string
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keyBytes []byte
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keyAlgo v1alpha1.KeyAlgorithm
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expectErr bool
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expectErrStr string
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}
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rsaKeyBytes, err := generatePrivateKeyBytes(v1alpha1.RSAKeyAlgorithm, MinRSAKeySize)
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if err != nil {
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t.Errorf("error generating key bytes: %s", err)
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return
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}
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ecdsaKeyBytes, err := generatePrivateKeyBytes(v1alpha1.ECDSAKeyAlgorithm, 256)
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if err != nil {
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t.Errorf("error generating key bytes: %s", err)
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return
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}
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block := &pem.Block{Type: "BLAH BLAH BLAH", Bytes: []byte("blahblahblah")}
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blahKeyBytes := pem.EncodeToMemory(block)
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invalidKeyBytes := []byte("blah-blah-invalid")
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tests := []testT{
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{
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name: "decode pem encoded rsa private key bytes",
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keyBytes: rsaKeyBytes,
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keyAlgo: v1alpha1.RSAKeyAlgorithm,
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expectErr: false,
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},
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{
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name: "decode pem encoded ecdsa private key bytes",
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keyBytes: ecdsaKeyBytes,
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keyAlgo: v1alpha1.ECDSAKeyAlgorithm,
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expectErr: false,
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},
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{
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name: "fail to decode unknown pem encoded key bytes",
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keyBytes: blahKeyBytes,
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expectErr: true,
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expectErrStr: "unknown private key type",
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},
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{
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name: "fail to decode unknown not pem encoded key bytes",
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keyBytes: invalidKeyBytes,
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expectErr: true,
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expectErrStr: "error decoding private key PEM block",
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},
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}
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testFn := func(test testT) func(*testing.T) {
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return func(t *testing.T) {
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privateKey, err := DecodePrivateKeyBytes(test.keyBytes)
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if test.expectErr {
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if err == nil {
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t.Error("expected err, but got no error")
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return
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}
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if !strings.Contains(err.Error(), test.expectErrStr) {
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t.Errorf("expected err string to match: '%s', got: '%s'", test.expectErrStr, err.Error())
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return
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}
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}
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if !test.expectErr {
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if err != nil {
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t.Errorf("expected no err, but got '%q'", err)
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return
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}
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if test.keyAlgo == v1alpha1.RSAKeyAlgorithm {
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_, ok := privateKey.(*rsa.PrivateKey)
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if !ok {
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t.Errorf("expected rsa private key, but got %T", privateKey)
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return
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}
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}
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if test.keyAlgo == v1alpha1.ECDSAKeyAlgorithm {
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_, ok := privateKey.(*ecdsa.PrivateKey)
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if !ok {
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t.Errorf("expected ecdsa private key, but got %T", privateKey)
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return
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}
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}
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}
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}
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}
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for _, test := range tests {
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t.Run(test.name, testFn(test))
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}
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}
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