| Subject | English | German |
| IT, transp. | message authentication | Authentifizierung der Nachrichtenquelle |
| IT, transp. | message authentication | Authentifizierung des Urhebers der Nachricht |
| tech. | message authentication | Spruchauthentisierung |
| commun. | message authentication code | Nachrichten-Authentisierungskode |
| comp., MS | Message Authentication Code | Nachrichtenauthentifizierungscode (An algorithm that allows a receiver to ensure that a block of data has retained its integrity from the time it was sent until the time it was received) |
| commun. | Message Authentication Code | Datensicherungscode |
| fin., commun., IT | message authentication code | Siegel |
| commun. | message authentication code field | Nachrichten-Authentisierungskode |