A company is implementing a system to transfer direct deposit to a financial institution. One of the requirements is that the institution must be certain that the
deposit amounts within the file have not been charged. Which of the following should be used to meet requirement?
A.
Key escrow
B.
Perfect forward secrecy
C.
Transport encryption
D.
Digital signatures
E.
File encryption
why digital signature ?
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There is probably a typo. Not “charged” but “changed”, which is a need for integrity.
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