Cryptography has requirements include: A. easy to compute and not invertible
B. tamper-resistant
C. collision-resistant
D. All the above

A

Explanation:

Cryptography is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. ... When transmitting electronic data, the most common use of cryptography is to encrypt and decrypt email and other plain-text messages.

answer; (a) brake pedal is depressed;

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