Q. Show the Data Encryption Standard?
Data Encryption Standard
- Bit-level encryption method designed by IBM
- Adopted as standard for nonmilitary and nonclassified use
- Encrypts 64-bit plain text using a 56-bit key
- Uses 19 different and complex procedures of transpositions, substitutions, swapping, exclusive ORs, and rotations to create a 64-bit ciphertext.