| |
| 2005 | ||
|---|---|---|
| 3 | EE | Clemens Heinrich: Pretty Good Privacy (PGP). Encyclopedia of Cryptography and Security 2005 |
| 2 | EE | Clemens Heinrich: Secure Socket Layer (SSL). Encyclopedia of Cryptography and Security 2005 |
| 1 | EE | Clemens Heinrich: Transport layer security (TLS). Encyclopedia of Cryptography and Security 2005 |