The three types of cryptographic algorithms that will be discussed are (Figure 1): â¢. Secret Key Cryptography (SKC): Uses a single key for both Public Key Cryptography (PKC): Uses one key for encryption Hash Functions: Uses a mathematical transformation to irreversibly. encryption and decryption.
âProtest,â in a technical sense, means only the formal declaration drawn up and signed by the notary; yet, as used by commercial men, the word includes all the steps necessary to charge an indorser.
Protest. A formal declaration whereby a person expresses a personal objection or disapproval of an act. A written statement, made by a notary, at the request of a holder of a bill or a note that describes the bill or note and declares that on a certain day the instrument was presented for, and refused, payment.