In what cases can we use block ciphers with 64-bit block size (e.g., DES or Blowfish)?
Can this kind of block cipher be very secure for certain specific types of plaintext (for instance those having a lot of entropy)?
In what cases can we use block ciphers with 64-bit block size (e.g., DES or Blowfish)?
Can this kind of block cipher be very secure for certain specific types of plaintext (for instance those having a lot of entropy)?