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SHA-1 Cryptographic Tool

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Questions and Answers

What is the output size of the SHA-1 algorithm?

128 bits

512 bits

256 bits

160 bits (correct)

How does SHA-1 help in detecting data tampering?

By allowing for reversible hashing operations

By generating the same hash for any input changes

By producing irreversible hash values (correct)

By changing the input data length

Why has SHA-1's effectiveness been questioned in recent years?

Because it generates different output sizes for the same input

Due to its dependence on input complexity

Because it is not a one-way hash function

As a result of vulnerabilities discovered and advances in computational power (correct)

What organization developed the SHA-1 algorithm?

National Security Agency (NSA) Signup and view all the answers

Which hash algorithms are suggested as alternatives to SHA-1 for enhanced security?

SHA-256 and SHA-384 Signup and view all the answers

Why are SHAs used in digital signatures and certificates for SSL/TLS connections?

To ensure data integrity and authenticity Signup and view all the answers

What is the main reason SHA-3 was not immediately adopted as the industry standard when it was introduced in 2015?

It was significantly slower than SHA-2 Signup and view all the answers

Why is it harder to brute force crack SHA-2 compared to SHA-1?

SHA-2 uses longer hash digests than SHA-1 Signup and view all the answers

In what way can SHAs serve as markers for the consistency of a file?

By hashing the file to produce a unique digest Signup and view all the answers

Why was SHA-3 not adopted as the industry standard immediately after its introduction in 2015?

Businesses were not transitioning from SHA-1 to SHA-2 at that time Signup and view all the answers