: Process data in fixed-size chunks (e.g., DES , AES , Blowfish).
: Based on the difficulty of factoring large prime numbers. Diffie-Hellman : Used primarily for secure key exchange. Applied Cryptography: Protocols, Algorithms, an...
Mathematical "fingerprints" that are easy to compute but impossible to reverse. : Process data in fixed-size chunks (e
: The hardest part of cryptography is keeping keys secure and distributing them safely. Applied Cryptography: Protocols, Algorithms, an...