mirror of
https://github.com/smallstep/certificates.git
synced 2024-11-17 15:29:21 +00:00
236 lines
7.2 KiB
Go
236 lines
7.2 KiB
Go
package cloudkms
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import (
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"context"
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"crypto"
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"crypto/rand"
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"crypto/x509"
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"fmt"
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"io"
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"os"
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"reflect"
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"testing"
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gax "github.com/googleapis/gax-go/v2"
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"go.step.sm/crypto/pemutil"
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kmspb "google.golang.org/genproto/googleapis/cloud/kms/v1"
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)
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func Test_newSigner(t *testing.T) {
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pemBytes, err := os.ReadFile("testdata/pub.pem")
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if err != nil {
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t.Fatal(err)
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}
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pk, err := pemutil.ParseKey(pemBytes)
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if err != nil {
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t.Fatal(err)
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}
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type args struct {
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c KeyManagementClient
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signingKey string
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}
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tests := []struct {
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name string
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args args
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want *Signer
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wantErr bool
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}{
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{"ok", args{&MockClient{
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getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
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return &kmspb.PublicKey{Pem: string(pemBytes)}, nil
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},
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}, "signingKey"}, &Signer{client: &MockClient{}, signingKey: "signingKey", publicKey: pk}, false},
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{"fail get public key", args{&MockClient{
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getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
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return nil, fmt.Errorf("an error")
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},
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}, "signingKey"}, nil, true},
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{"fail parse pem", args{&MockClient{
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getPublicKey: func(_ context.Context, _ *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
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return &kmspb.PublicKey{Pem: string("bad pem")}, nil
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},
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}, "signingKey"}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := NewSigner(tt.args.c, tt.args.signingKey)
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if (err != nil) != tt.wantErr {
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t.Errorf("NewSigner() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if got != nil {
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got.client = &MockClient{}
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("NewSigner() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_signer_Public(t *testing.T) {
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pemBytes, err := os.ReadFile("testdata/pub.pem")
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if err != nil {
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t.Fatal(err)
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}
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pk, err := pemutil.ParseKey(pemBytes)
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if err != nil {
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t.Fatal(err)
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}
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type fields struct {
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client KeyManagementClient
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signingKey string
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publicKey crypto.PublicKey
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}
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tests := []struct {
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name string
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fields fields
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want crypto.PublicKey
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}{
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{"ok", fields{&MockClient{}, "signingKey", pk}, pk},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := &Signer{
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client: tt.fields.client,
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signingKey: tt.fields.signingKey,
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publicKey: tt.fields.publicKey,
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}
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if got := s.Public(); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("signer.Public() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_signer_Sign(t *testing.T) {
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keyName := "projects/p/locations/l/keyRings/k/cryptoKeys/c/cryptoKeyVersions/1"
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okClient := &MockClient{
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asymmetricSign: func(_ context.Context, _ *kmspb.AsymmetricSignRequest, _ ...gax.CallOption) (*kmspb.AsymmetricSignResponse, error) {
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return &kmspb.AsymmetricSignResponse{Signature: []byte("ok signature")}, nil
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},
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}
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failClient := &MockClient{
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asymmetricSign: func(_ context.Context, _ *kmspb.AsymmetricSignRequest, _ ...gax.CallOption) (*kmspb.AsymmetricSignResponse, error) {
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return nil, fmt.Errorf("an error")
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},
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}
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type fields struct {
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client KeyManagementClient
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signingKey string
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}
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type args struct {
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rand io.Reader
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digest []byte
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opts crypto.SignerOpts
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}
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tests := []struct {
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name string
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fields fields
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args args
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want []byte
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wantErr bool
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}{
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{"ok sha256", fields{okClient, keyName}, args{rand.Reader, []byte("digest"), crypto.SHA256}, []byte("ok signature"), false},
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{"ok sha384", fields{okClient, keyName}, args{rand.Reader, []byte("digest"), crypto.SHA384}, []byte("ok signature"), false},
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{"ok sha512", fields{okClient, keyName}, args{rand.Reader, []byte("digest"), crypto.SHA512}, []byte("ok signature"), false},
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{"fail MD5", fields{okClient, keyName}, args{rand.Reader, []byte("digest"), crypto.MD5}, nil, true},
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{"fail asymmetric sign", fields{failClient, keyName}, args{rand.Reader, []byte("digest"), crypto.SHA256}, nil, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := &Signer{
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client: tt.fields.client,
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signingKey: tt.fields.signingKey,
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}
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got, err := s.Sign(tt.args.rand, tt.args.digest, tt.args.opts)
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if (err != nil) != tt.wantErr {
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t.Errorf("signer.Sign() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("signer.Sign() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestSigner_SignatureAlgorithm(t *testing.T) {
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pemBytes, err := os.ReadFile("testdata/pub.pem")
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if err != nil {
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t.Fatal(err)
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}
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client := &MockClient{
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getPublicKey: func(_ context.Context, req *kmspb.GetPublicKeyRequest, _ ...gax.CallOption) (*kmspb.PublicKey, error) {
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var algorithm kmspb.CryptoKeyVersion_CryptoKeyVersionAlgorithm
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switch req.Name {
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case "ECDSA-SHA256":
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algorithm = kmspb.CryptoKeyVersion_EC_SIGN_P256_SHA256
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case "ECDSA-SHA384":
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algorithm = kmspb.CryptoKeyVersion_EC_SIGN_P384_SHA384
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case "SHA256-RSA-2048":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PKCS1_2048_SHA256
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case "SHA256-RSA-3072":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PKCS1_3072_SHA256
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case "SHA256-RSA-4096":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PKCS1_4096_SHA256
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case "SHA512-RSA-4096":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PKCS1_4096_SHA512
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case "SHA256-RSAPSS-2048":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PSS_2048_SHA256
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case "SHA256-RSAPSS-3072":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PSS_3072_SHA256
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case "SHA256-RSAPSS-4096":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PSS_4096_SHA256
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case "SHA512-RSAPSS-4096":
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algorithm = kmspb.CryptoKeyVersion_RSA_SIGN_PSS_4096_SHA512
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}
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return &kmspb.PublicKey{
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Pem: string(pemBytes),
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Algorithm: algorithm,
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}, nil
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},
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}
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if err != nil {
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t.Fatal(err)
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}
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type fields struct {
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client KeyManagementClient
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signingKey string
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}
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tests := []struct {
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name string
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fields fields
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want x509.SignatureAlgorithm
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}{
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{"ECDSA-SHA256", fields{client, "ECDSA-SHA256"}, x509.ECDSAWithSHA256},
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{"ECDSA-SHA384", fields{client, "ECDSA-SHA384"}, x509.ECDSAWithSHA384},
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{"SHA256-RSA-2048", fields{client, "SHA256-RSA-2048"}, x509.SHA256WithRSA},
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{"SHA256-RSA-3072", fields{client, "SHA256-RSA-3072"}, x509.SHA256WithRSA},
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{"SHA256-RSA-4096", fields{client, "SHA256-RSA-4096"}, x509.SHA256WithRSA},
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{"SHA512-RSA-4096", fields{client, "SHA512-RSA-4096"}, x509.SHA512WithRSA},
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{"SHA256-RSAPSS-2048", fields{client, "SHA256-RSAPSS-2048"}, x509.SHA256WithRSAPSS},
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{"SHA256-RSAPSS-3072", fields{client, "SHA256-RSAPSS-3072"}, x509.SHA256WithRSAPSS},
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{"SHA256-RSAPSS-4096", fields{client, "SHA256-RSAPSS-4096"}, x509.SHA256WithRSAPSS},
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{"SHA512-RSAPSS-4096", fields{client, "SHA512-RSAPSS-4096"}, x509.SHA512WithRSAPSS},
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{"unknown", fields{client, "UNKNOWN"}, x509.UnknownSignatureAlgorithm},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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signer, err := NewSigner(tt.fields.client, tt.fields.signingKey)
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if err != nil {
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t.Errorf("NewSigner() error = %v", err)
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}
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if got := signer.SignatureAlgorithm(); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Signer.SignatureAlgorithm() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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