Encryption

Here are some of the blog posts on this site related to cryptography.

RSA

• Attack on RSA with exponent 3
• RSA with one shared prime
• RSA with pseudoprimes
• RSA exponents are mostly all the same in practice

Random Number Generation

• ChaCha stream cipher
• Blub Blum Shub
• Entropy extractor used in μRNG
• RNG testing services

Secure hash functions

• Microsoft replacing SHA-1
• Reversing an MD5 hash
• Hash function menagerie
• Salting and stretching a password
• Mental cryptography
• Computing hash functions from the command line

Elliptic Curve Cryptography

• What is an elliptic curve?
• Curve1174
• Naming elliptic curves
• secp256k1
• secp256r1
• Curve25519
• Ed448 Goldilocks
• P-384

Post-Quantum Cryptography

• Learning with errors
• Code-based encryption
• Unbalanced oil and vinegar
• Isogeny-based methods

Miscellaneous

• The AES S-box
• Secret sharing with polynomials
• Continued fraction cryptography
• Format-preserving encryption
• Homomorphic encryption