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Encryption - Algorithms

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Encryption Algorithm/Scheme
  • is simply an implementation of encryption (the process of encoding a message to provide confidentiality, where only authorized parties can access it and those who are not authorized cannot)

Classifications

see: Encryption Algorithm Classifications

Symmetric Encryption Algorithms

Scheme

Type

Description

Data Encryption Standard (DES)

BLOCK

International Data Encryption Algorithm (IDEA)

BLOCK

Twofish

BLOCK

Blowfish

BLOCK

Advanced Encryption Standard (AES)

BLOCK

Rivest Cipher (RC4)

STREAM

Temporal Key Integrity Protocol (TKIP)

STREAM

ChaCha20

STREAM

Asymmetric Encryption Algorithms

Scheme

Description

Rivest, Shamir, & Adleman (RSA)

Elliptic-Curve Cryptography (ECC)

Diffie-Hellman (DH)
  • DH is an ASYMMETRIC algorithm that produces a SYMMETRIC key
  • DH neither encrypts nor signs data

EIGamal Encryption

Other Encryption Algorithms

Scheme

Description

GNU Privacy Guard (GPG or GnuPG)

Pretty Good Privacy (PGP)

PUF) schemes

  • is a physically-defined “digital fingerprint” that serves as a unique identifier for a semiconductor device such as a microprocessor
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