| Subject | English | French |
| commun., IT | data-encrypting key | clé secondaire |
| comp., MS | Encrypting File System | système de fichiers EFS (A Microsoft file-based encryption technology that enables users to encrypt files and folders on NTFS volumes. EFS helps protect the confidentiality of data by ensuring that only authorized users can decrypt the encrypted files or folders) |
| gen. | key-encrypting key | clé principale |
| gen. | key-encrypting key | clé primaire |