diff --git a/helper/helper.go b/helper/helper.go
index da13d7d..016bc33 100644
--- a/helper/helper.go
+++ b/helper/helper.go
@@ -184,28 +184,6 @@ func DecryptBinaryMessageArmored(privateKey string, passphrase []byte, ciphertex
 	return message.GetBinary(), nil
 }
 
-// EncryptSignArmoredDetached takes a public key for encryption,
-// a private key and its passphrase for signature, and the plaintext data
-// Returns an armored ciphertext and a detached armored signature.
-func EncryptSignArmoredDetached(
-	publicKey, privateKey string,
-	passphrase, plainData []byte,
-) (ciphertext, signature string, err error) {
-	var message *crypto.PlainMessage = crypto.NewPlainMessage(plainData)
-
-	// We encrypt the message
-	if ciphertext, err = encryptMessageArmored(publicKey, message); err != nil {
-		return "", "", err
-	}
-
-	// We sign the message
-	if signature, err = signDetachedArmored(privateKey, passphrase, message); err != nil {
-		return "", "", err
-	}
-
-	return ciphertext, signature, nil
-}
-
 // DecryptVerifyArmoredDetached decrypts an armored pgp message
 // and verify a detached armored signature
 // given a publicKey, and a privateKey with its passphrase.
diff --git a/helper/sign_attachment.go b/helper/sign_detached.go
similarity index 71%
rename from helper/sign_attachment.go
rename to helper/sign_detached.go
index 6b66e38..216ebe2 100644
--- a/helper/sign_attachment.go
+++ b/helper/sign_detached.go
@@ -55,3 +55,25 @@ func EncryptSignAttachment(
 
 	return packets.GetBinaryKeyPacket(), packets.GetBinaryDataPacket(), signatureObj.GetBinary(), nil
 }
+
+// EncryptSignArmoredDetached takes a public key for encryption,
+// a private key and its passphrase for signature, and the plaintext data
+// Returns an armored ciphertext and a detached armored signature.
+func EncryptSignArmoredDetached(
+	publicKey, privateKey string,
+	passphrase, plainData []byte,
+) (ciphertext, signature string, err error) {
+	var message *crypto.PlainMessage = crypto.NewPlainMessage(plainData)
+
+	// We encrypt the message
+	if ciphertext, err = encryptMessageArmored(publicKey, message); err != nil {
+		return "", "", err
+	}
+
+	// We sign the message
+	if signature, err = signDetachedArmored(privateKey, passphrase, message); err != nil {
+		return "", "", err
+	}
+
+	return ciphertext, signature, nil
+}