This glossary serves as a companion reference to our SSH, Debian, and grep comprehensive guide and advanced Linux security guide. Use it to quickly look up unfamiliar terms while learning.
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SSH & Cryptography
A-E
AES (Advanced Encryption Standard)
- Symmetric encryption algorithm using 128, 192, or 256-bit keys
- Hardware-accelerated on modern CPUs via AES-NI instructions
- Example:
Ciphers aes256-gcm@openssh.com - See: SSH cipher selection in our guide
Authentication Layer