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Results tagged with rsa
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user 23901
An asymmetric (e.g. public-key) cryptosystem, based on modular exponentiation with big exponents and modulus. RSA can be used both for signature and encryption with proper paddings.
2
votes
0
answers
44
views
Are there UFDs where the factorization problem is difficult but finding irreducibles is cheap?
It could provide an alternative ring to do RSA/Rabin over.
A suggestion is the polynomial ring over $\Bbb Z_{pq}$ where $p$ and $q$ are prime. …
- 1,249
12
votes
1
answer
1k
views
If RSA is only used to encrypt symmetric keys which are random, what's wrong with textbook RSA?
But if RSA is only used to encrypt symmetric keys, what's wrong with using only textbook RSA because random keys are very unlikely to repeat? …
- 1,249