| Advanced Encryption Standard | Certificate Authority | Clipper | Diffie-Hellman | Digital Signature Standard |
| Enigma | International Data Encryption Algorithm | Keyed-Hashing Message Authentication | Pretty Good Privacy | Public Key Infrastructure |
| Public-Key Cryptography Standards | RC4 | RSA | RSA Data Security, Inc. | RSA encryption |
| SYSKEY | SkipJack | System Account Manager | brute force attack | ciphertext |
| cryppie | cryptography | decode | decryption | digital envelope |
| digital signature | encryption | one-way function | plaintext | private key |
| private-key cryptography | public-key encryption | symmetric key cryptography | synchronous key encryption | trap-door function |
| triple DES | | | | |