the session key is used. So, DSA and RSA will mostly make a difference at the start of a session only.
So, overall, as per the cryptographic strength, both DSA and RSA are almost the same. And both DSA and RSA have their own pros and cons in terms of performance. So, if performance is an issue, we should look into where the problem lies, and depending on that, we should select DSA or RSA.
I hope this helps. Readers who want to know more about how different cryptographic algorithms and Public Key Infrastructure work can refer to the book “Cryptography And Public Key Infrastructure.”






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