An Attacker May Obtain Duplicate Texts, One in Ciphertext and One

question 11

Multiple Choice

An attacker may obtain duplicate texts, one in ciphertext and one in plaintext, which enable the individual to reverse-engineer the encryption algorithm in a ____ attack.

• A) man-in-the-middle
• B) timing
• C) known-plaintext
• D) selected-plaintext

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Definitions:

Forgery

The act of fraudulently making or altering a document with the intention to deceive someone.

Ordinary Holder

In financial terms, an average investor or party holding financial instruments, securities, or other assets under normal circumstances.

HDC

Refers to a Holder in Due Course, a legal term describing a party that has acquired a negotiable instrument under certain conditions, protecting them against certain defenses.

Presentment Warranties

Guarantees made by the presenter of a negotiable instrument that certain facts are true at the time of negotiation.