Secure Hash Algorithm-1 (SHA-1) has a message digest of –

2022

Secure Hash Algorithm-1 (SHA-1) has a message digest of –

  1. A.

    160 bits

  2. B.

    512 bits

  3. C.

    628 bits

  4. D.

    820 bits

Attempted by 314 students.

Show answer & explanation

Correct answer: A

SHA-1 (Secure Hash Algorithm-1) generates a 160-bit (20-byte) message digest, regardless of input size.

It uses a 512-bit block processing structure, but the final output is always fixed at 160 bits, ensuring consistency in hashing.

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