| Subject | English | Spanish |
| IT, transp. | message authentication | autenticación de mensajes |
| commun. | Message Authentication Code | código de autentificación de mensaje |
| commun. | message authentication code | código de autenticación de mensajes |
| comp., MS | Message Authentication Code 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 | Código de autenticación de mensajes (MAC) |
| comp., MS | Message Authentication Code 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 | código de autentificación de mensajes (MAC) |
| commun. | message authentication code field | código de autenticación de mensajes |