diff --git a/.gitignore b/.gitignore
index b04f6b0..9a26cee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@ vendor/
 
 # Editor files
 .vscode/
+.idea/
diff --git a/bench_test.go b/bench_test.go
index 9a95f96..a60d1aa 100644
--- a/bench_test.go
+++ b/bench_test.go
@@ -1,90 +1,90 @@
-package cose_test
-
-import (
-	"io"
-	"testing"
-
-	"github.com/veraison/go-cose"
-)
-
-func newSign1Message() *cose.Sign1Message {
-	return &cose.Sign1Message{
-		Headers: cose.Headers{
-			Protected: cose.ProtectedHeader{
-				cose.HeaderLabelAlgorithm: cose.AlgorithmES256,
-			},
-			Unprotected: cose.UnprotectedHeader{
-				cose.HeaderLabelKeyID: []byte{0x01},
-			},
-		},
-		Payload:   make([]byte, 100),
-		Signature: make([]byte, 32),
-	}
-}
-
-type noSigner struct{}
-
-func (noSigner) Algorithm() cose.Algorithm {
-	return cose.AlgorithmES256
-}
-
-func (noSigner) Sign(_ io.Reader, digest []byte) ([]byte, error) {
-	return digest, nil
-}
-
-func (noSigner) Verify(_, _ []byte) error {
-	return nil
-}
-
-func BenchmarkSign1Message_MarshalCBOR(b *testing.B) {
-	msg := newSign1Message()
-	b.ReportAllocs()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		_, err := msg.MarshalCBOR()
-		if err != nil {
-			b.Fatal(err)
-		}
-	}
-}
-
-func BenchmarkSign1Message_UnmarshalCBOR(b *testing.B) {
-	data, err := newSign1Message().MarshalCBOR()
-	if err != nil {
-		b.Fatal(err)
-	}
-	b.ReportAllocs()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		var m cose.Sign1Message
-		err = m.UnmarshalCBOR(data)
-		if err != nil {
-			b.Fatal(err)
-		}
-	}
-}
-
-func BenchmarkSign1Message_Sign(b *testing.B) {
-	msg := newSign1Message()
-	b.ReportAllocs()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		msg.Signature = nil
-		err := msg.Sign(zeroSource{}, nil, noSigner{})
-		if err != nil {
-			b.Fatal(err)
-		}
-	}
-}
-
-func BenchmarkSign1Message_Verify(b *testing.B) {
-	msg := newSign1Message()
-	b.ReportAllocs()
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		err := msg.Verify(nil, noSigner{})
-		if err != nil {
-			b.Fatal(err)
-		}
-	}
-}
+package cose_test
+
+import (
+	"io"
+	"testing"
+
+	"github.com/veraison/go-cose"
+)
+
+func newSign1Message() *cose.Sign1Message {
+	return &cose.Sign1Message{
+		Headers: cose.Headers{
+			Protected: cose.ProtectedHeader{
+				cose.HeaderLabelAlgorithm: cose.AlgorithmES256,
+			},
+			Unprotected: cose.UnprotectedHeader{
+				cose.HeaderLabelKeyID: []byte{0x01},
+			},
+		},
+		Payload:   make([]byte, 100),
+		Signature: make([]byte, 32),
+	}
+}
+
+type noSigner struct{}
+
+func (noSigner) Algorithm() cose.Algorithm {
+	return cose.AlgorithmES256
+}
+
+func (noSigner) Sign(_ io.Reader, digest []byte) ([]byte, error) {
+	return digest, nil
+}
+
+func (noSigner) Verify(_, _ []byte) error {
+	return nil
+}
+
+func BenchmarkSign1Message_MarshalCBOR(b *testing.B) {
+	msg := newSign1Message()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		_, err := msg.MarshalCBOR()
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkSign1Message_UnmarshalCBOR(b *testing.B) {
+	data, err := newSign1Message().MarshalCBOR()
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		var m cose.Sign1Message
+		err = m.UnmarshalCBOR(data)
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkSign1Message_Sign(b *testing.B) {
+	msg := newSign1Message()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		msg.Signature = nil
+		err := msg.Sign(zeroSource{}, nil, noSigner{})
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkSign1Message_Verify(b *testing.B) {
+	msg := newSign1Message()
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		err := msg.Verify(nil, noSigner{})
+		if err != nil {
+			b.Fatal(err)
+		}
+	}
+}