| Subject | English | German |
| comp., MS | symmetric key | symmetrischer Schlüssel (The cryptographic key used to both encrypt and decrypt protected content during publishing and consumption) |
| gen. | symmetric key cipher | Stromchiffre |
| gen. | symmetric key cipher | symmetrisches Kryptosystem |
| gen. | symmetric key cipher | symmetrisches Verfahren |
| comp., MS | symmetric-key cryptography | Kryptografie für symmetrische Schlüssel (A type of cryptography that uses symmetric keys to provide confidentiality) |