As you have studied some popular publickey algorithms: 1) DSS – Digital Signatur
ID: 3611522 • Letter: A
Question
As you have studied some popular publickey algorithms:
1) DSS – Digital Signature Standard based on DSA(Digital Standard Algorithm) –
2) RSA
3) Elliptic Curves
Question: [10Marks]
You are required to provide answers for the given belowquestions:
1) Differences among the abovelisted Public Key Algorithms.
Note: One of the differences must contain information thatdescribes the “practical usage” of the particularAlgorithm currently.
2) Advantages and disadvantagesfor the most common and efficient public key
Algorithm applied now a days.
Explanation / Answer
DSS
a) Domain parameters
b) Key sizes
c) Projective coordinates
d) Fast reduction
e) NIST
f) Side-channel attacks
Advantages lists
1) The primary advantage ofpublic-key cryptography is increased security and convenience.
2) Another major advantage ofpublic-key systems is that they can provide a method for digitalsignatures. As keep backup of secrets and use them to providebetter service.
Disadvantages Lists
1) Problems occur when it comes tospeed of encryption using public-key cryptography. Currentpublic-key encryption method are slow but this problem is now seemsto going fade away as new methods are used which is significantlyfaster than any currently available public-key encryptionmethod.
2) Public-key cryptography may bevulnerable to impersonation, however, even if users' private keysare not available. A successful attack on a certificationauthority.
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