| Subject | English | Thesaurus |
| mil., abbr. | Emergency Action Message Authentication System | EAMAS |
| IT, abbr. | Financial Institution Message Authentication Standard | FIMAS (Banking, ANSI) |
| comp., net., abbr. | Hashed Message Authentication Code | HMAC |
| IT, abbr. | keyed-Hashing for Message AuthentiCation | HMAC (Verschluesselung, RFC 2104) |
| IT | message authentication code | An American National Standards Institute (ANSI) standard checksum that is computed using Data Encryption Standard (DES) |
| IT, abbr. | Message Authentication Code | MAC (SSL, SRT, Verschluesselung) |
| cryptogr. | message authentication code | MAC (ssn) |
| abbr., file.ext. | Message Authentication Code | MAC |
| abbr., 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 | MAC (메시지 인증 코드) |
| cryptogr. | message authentication code value | MAC value (ssn) |