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Modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" upon reaching a certain value… the modulus.

0 votes
1 answer
310 views

In RSA encryption, can I calculate d given only m,n,c and e? [duplicate]

Newbie here. Not familiar with cryptography; just interested and reading up about it from time to time. We know that the RSA problem (let's say $c=m^e \bmod N, c^d= m \bmod N$) is about recovering $ …
Biology nerd's user avatar
2 votes
1 answer
136 views

Finding a pair of exponents so that $c^a \bmod N = c^b \bmod N$

I am not very familiar with RSA, so this question may appear to be stupid. Suppose that in RSA encryption, we are given $c$ (the ciphertext) and $N$ (the semi-prime modulus), can we find a pair of e …
Biology nerd's user avatar