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What is Cryptography Q&A: Key Concepts Explained about?

This document discusses cryptography concepts including: 1. The main goals of cryptography are data privacy, authenticity, and integrity. Confidentiality is achieved through encryption with a cryptographic key. Data integrity ensures the message is not altered through hashing and message digests. 2. Transposition cipher rearranges the order of letters in the plaintext. An example uses a columnar transposition cipher that writes the plaintext horizontally and reads the ciphertext vertically. 3. Diffusion

Author

normall useingg

Language

EN