Glossary of Security Terminology

Simple descriptions for complicated security terms

• Encryption
• Decryption
• Key
• Plaintext
• Ciphertext
• Public-Key
• Private-Key
• Digital Signature
• Verification
• Timestamp
• Public-Key Infrastructure
• Symmetric Key Algorithm
  • Block Cipher
  • DES
  • AES
  • Rijndael
  • Serpent
  • TwoFish
  • CAST-256
• Asymmetric Key Algorithm
  • Public-Key Algorithm
  • RSA
  • Elgamal
• Message Digest Algorithm
  • Hash Algorithm
  • MD5
  • RIPEMD-160
  • SHA-1
  • SHA-256
  • SHA-512
• CAD

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