Fix gocritic warnings.

kms/azurekms/key_vault.go

@@ -24,7 +24,7 @@ const Scheme = "azurekms"
 
 // keyIDRegexp is the regular expression that Key Vault uses on the kid. We can
 // extract the vault, name and version of the key.
-var keyIDRegexp = regexp.MustCompile("^https://([0-9a-zA-Z-]+).vault.azure.net/keys/([0-9a-zA-Z-]+)/([0-9a-zA-Z-]+)$")
+var keyIDRegexp = regexp.MustCompile(`^https://([0-9a-zA-Z-]+)\.vault\.azure\.net/keys/([0-9a-zA-Z-]+)/([0-9a-zA-Z-]+)$`)
 
 var (
 	valueTrue       = true
@@ -162,8 +162,7 @@ func New(ctx context.Context, opts apiv1.Options) (*KeyVault, error) {
 
 // GetPublicKey loads a public key from Azure Key Vault by its resource name.
 func (k *KeyVault) GetPublicKey(req *apiv1.GetPublicKeyRequest) (crypto.PublicKey, error) {
-	switch {
-	case req.Name == "":
+	if req.Name == "" {
 		return nil, errors.New("getPublicKeyRequest 'name' cannot be empty")
 	}
 

kms/azurekms/signer_test.go

@@ -134,6 +134,7 @@ func TestSigner_Sign(t *testing.T) {
 			sBytes := s.Bytes()
 			sBytesPadded := make([]byte, keyBytes)
 			copy(sBytesPadded[keyBytes-len(sBytes):], sBytes)
+			// nolint:gocritic
 			resultSig = append(rBytesPadded, sBytesPadded...)
 
 			var b cryptobyte.Builder
@@ -256,61 +257,61 @@ func TestSigner_Sign(t *testing.T) {
 		wantErr bool
 	}{
 		{"ok P-256", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", p256}, args{
-			rand.Reader, p256Digest[:], crypto.SHA256,
+			rand.Reader, p256Digest, crypto.SHA256,
 		}, p256Sig, false},
 		{"ok P-384", fields{client, "https://my-vault.vault.azure.net/", "my-key", "my-version", p384}, args{
-			rand.Reader, p384Digest[:], crypto.SHA384,
+			rand.Reader, p384Digest, crypto.SHA384,
 		}, p384Sig, false},
 		{"ok P-521", fields{client, "https://my-vault.vault.azure.net/", "my-key", "my-version", p521}, args{
-			rand.Reader, p521Digest[:], crypto.SHA512,
+			rand.Reader, p521Digest, crypto.SHA512,
 		}, p521Sig, false},
 		{"ok RSA SHA256", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaSHA256}, args{
-			rand.Reader, rsaSHA256Digest[:], crypto.SHA256,
+			rand.Reader, rsaSHA256Digest, crypto.SHA256,
 		}, rsaSHA256Sig, false},
 		{"ok RSA SHA384", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaSHA384}, args{
-			rand.Reader, rsaSHA384Digest[:], crypto.SHA384,
+			rand.Reader, rsaSHA384Digest, crypto.SHA384,
 		}, rsaSHA384Sig, false},
 		{"ok RSA SHA512", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaSHA512}, args{
-			rand.Reader, rsaSHA512Digest[:], crypto.SHA512,
+			rand.Reader, rsaSHA512Digest, crypto.SHA512,
 		}, rsaSHA512Sig, false},
 		{"ok RSA-PSS SHA256", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaPSSSHA256}, args{
-			rand.Reader, rsaPSSSHA256Digest[:], &rsa.PSSOptions{
+			rand.Reader, rsaPSSSHA256Digest, &rsa.PSSOptions{
 				SaltLength: rsa.PSSSaltLengthAuto,
 				Hash:       crypto.SHA256,
 			},
 		}, rsaPSSSHA256Sig, false},
 		{"ok RSA-PSS SHA384", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaPSSSHA384}, args{
-			rand.Reader, rsaPSSSHA384Digest[:], &rsa.PSSOptions{
+			rand.Reader, rsaPSSSHA384Digest, &rsa.PSSOptions{
 				SaltLength: rsa.PSSSaltLengthEqualsHash,
 				Hash:       crypto.SHA384,
 			},
 		}, rsaPSSSHA384Sig, false},
 		{"ok RSA-PSS SHA512", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaPSSSHA512}, args{
-			rand.Reader, rsaPSSSHA512Digest[:], &rsa.PSSOptions{
+			rand.Reader, rsaPSSSHA512Digest, &rsa.PSSOptions{
 				SaltLength: 64,
 				Hash:       crypto.SHA512,
 			},
 		}, rsaPSSSHA512Sig, false},
 		{"fail Sign", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaSHA256}, args{
-			rand.Reader, rsaSHA256Digest[:], crypto.SHA256,
+			rand.Reader, rsaSHA256Digest, crypto.SHA256,
 		}, nil, true},
 		{"fail sign length", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", p256}, args{
-			rand.Reader, p256Digest[:], crypto.SHA256,
+			rand.Reader, p256Digest, crypto.SHA256,
 		}, nil, true},
 		{"fail base64", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", p256}, args{
-			rand.Reader, p256Digest[:], crypto.SHA256,
+			rand.Reader, p256Digest, crypto.SHA256,
 		}, nil, true},
 		{"fail RSA-PSS salt length", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaPSSSHA256}, args{
-			rand.Reader, rsaPSSSHA256Digest[:], &rsa.PSSOptions{
+			rand.Reader, rsaPSSSHA256Digest, &rsa.PSSOptions{
 				SaltLength: 64,
 				Hash:       crypto.SHA256,
 			},
 		}, nil, true},
 		{"fail RSA Hash", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", rsaSHA256}, args{
-			rand.Reader, rsaSHA256Digest[:], crypto.SHA1,
+			rand.Reader, rsaSHA256Digest, crypto.SHA1,
 		}, nil, true},
 		{"fail ECDSA Hash", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", p256}, args{
-			rand.Reader, p256Digest[:], crypto.MD5,
+			rand.Reader, p256Digest, crypto.MD5,
 		}, nil, true},
 		{"fail Ed25519", fields{client, "https://my-vault.vault.azure.net/", "my-key", "", ed25519Key}, args{
 			rand.Reader, []byte("message"), crypto.Hash(0),

pki/pki.go

@@ -792,7 +792,7 @@ func (p *PKI) GenerateConfig(opt ...ConfigOption) (*authconfig.Config, error) {
 
 	// Enable KMS if necessary
 	if p.Kms != nil {
-		config.KMS = &kmsapi.Options{
+		cfg.KMS = &kmsapi.Options{
 			Type: strings.ToLower(p.Kms.Type.String()),
 		}
 	}