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Which of the following is true about SHA?
Ensures integrity of the message
All of these
It has the same properties as DES
It comprises a three way handshake
The correct answer is it ensures the integrity of a message. It produces a 160-bit hash. [EDIT] Again, SHA is just an acronym. SHA-1 has 160-bit output (and is no longer considered secure in practice), SHA-2 and SHA-3 are families of hash functions.
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