| Subject | English | Arabic |
| comp., MS | data encryption key | مفتاح تشفير البيانات (A bit string that is used in conjunction with an encryption algorithm to encrypt and decrypt data) |
| comp., MS | encryption key | مفتاح التشفير (A bit string that is used in conjunction with an encryption algorithm to encrypt and decrypt data) |
| comp., MS | public key encryption | تشفير مفتاح عام (A method of encryption that uses a pair of mathematically related keys: a public key and a corresponding private key. Either key can be used to encrypt data, but the corresponding key must be used to decrypt it) |
| comp., MS | secret key encryption | تشفير بالمفتاح السري (An encryption algorithm that requires the same secret key to be used for both encryption and decryption. Because of its speed, symmetric encryption is typically used when a message sender needs to encrypt large amounts of data) |