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DeVry SEC 280 Week 4 Discussion 1 & 2 latest
dq 1
| Hashing Algorithms (graded) |
Secure Hash Algorithm is the current hashing standard established by the National Institute for Standard and Technology. It uses a 160-bit hash but lately most organizations are moving toward a 256-bit hash.
- Is a 128-bit hash no longer sufficient for integrity checks?
- Explain the likelihood of a collision in a 128-bit hash. You do not need to explain the mathematics.
dq 2
| Digital Signatures (graded) |
A digital signature is a technique to validate the integrity and authenticity of a message. The signature provides assurance that the sender is the true sender, and the message has not been changed during transmission.
- What are the similarities between a digital signature and a handwritten signature?
- Differentiate among the three different classes of digital signatures.
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DeVry SEC 280 Week 4 Discussion 1 & 2 latest
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