Shawn C839 - Intro to Cryptography, Exam Questions and answers, rated A+

Shawn C839 - Intro to Cryptography, Exam Questions and answers, rated A+ binary to characters encoding methods - ASCII (8-bit values, up to 256 characters) and UTF-16 (16- bit values, up to 65,536 characters). Other encoding methods include hexadecimal, Base-64, and Base-58 Combination vs Permutation - both measure the possible combinations of outcomes combinations = not concerned with the order permutations = all options considered including sequence. Decryption - Cipher text to plaintext Diffie-Hellman key exchange - an asymmetric standard for exchanging keys. primarily used to send private keys over public networks. widely used key exchange algorithm used to exchange the secret key in symmetric cryptography. Encryption - plaintext into ciphertext Entropy - A measure of disorder or randomness. measures the amount of unpredictability; in encryption relates to the degree of uncertainty of the encryption process.