Which algorithm require both ends of an encrypted message to have the same key and processing algorithms? Cryptography Which algorithm require both ends of an encrypted message to have the same key and processing algorithms? a. Symmetric Cryptography b. Asymmertic Cryptography c. Bsymmertic Cryptography d. Hashing Algorithms Answer: a. Symmetric Cryptography Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+