diff --git a/pkg/ueps/reader.go b/pkg/ueps/reader.go
index 91a674a..2c4ea3b 100644
--- a/pkg/ueps/reader.go
+++ b/pkg/ueps/reader.go
@@ -26,7 +26,7 @@ type ParsedPacket struct {
 // packet, err := ueps.ReadAndVerify(bufio.NewReader(conn), []byte("my-shared-secret"))
 // if err == nil { dispatch(packet.Header.IntentID, packet.Header.ThreatScore, packet.Payload) }
 func ReadAndVerify(reader *bufio.Reader, sharedSecret []byte) (*ParsedPacket, error) {
-	var signedData bytes.Buffer
+	var hmacInputBuffer bytes.Buffer
 	header := UEPSHeader{}
 	var hmacSignature []byte
 	var payload []byte
@@ -58,36 +58,36 @@ func ReadAndVerify(reader *bufio.Reader, sharedSecret []byte) (*ParsedPacket, er
 		switch tagType {
 		case TagVersion:
 			header.Version = tagValue[0]
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		case TagCurrentLayer:
 			header.CurrentLayer = tagValue[0]
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		case TagTargetLayer:
 			header.TargetLayer = tagValue[0]
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		case TagIntent:
 			header.IntentID = tagValue[0]
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		case TagThreatScore:
 			header.ThreatScore = binary.BigEndian.Uint16(tagValue)
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		case TagHMAC:
 			hmacSignature = tagValue
 		default:
-			// signedData.Write([]byte{tagType, tagValueLength}); signedData.Write(tagValue) — unknown tags included in HMAC
-			signedData.WriteByte(tagType)
-			signedData.WriteByte(tagValueLength)
-			signedData.Write(tagValue)
+			// hmacInputBuffer.Write([]byte{tagType, tagValueLength}); hmacInputBuffer.Write(tagValue) — unknown tags included in HMAC
+			hmacInputBuffer.WriteByte(tagType)
+			hmacInputBuffer.WriteByte(tagValueLength)
+			hmacInputBuffer.Write(tagValue)
 		}
 	}
 
@@ -96,7 +96,7 @@ func ReadAndVerify(reader *bufio.Reader, sharedSecret []byte) (*ParsedPacket, er
 	}
 
 	messageAuthCode := hmac.New(sha256.New, sharedSecret)
-	messageAuthCode.Write(signedData.Bytes())
+	messageAuthCode.Write(hmacInputBuffer.Bytes())
 	messageAuthCode.Write(payload)
 	expectedMessageAuthCode := messageAuthCode.Sum(nil)