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2 answers
196 views

Are Safe and Sophie Germain primes evenly distributed?

3 votes
1 answer
103 views

"crandall" - unsolved CTF challenge - ASIS-quals-2023

3 votes
1 answer
85 views

How much can we compress RSA public keys with two equal size factors?

1 vote
1 answer
156 views

Cryptography to tackle deepfake, proving the photo is original

2 votes
1 answer
263 views

Signature using RSA (as described in Cryptography engineering)

3 votes
0 answers
360 views

Security of Full Domain Hash (or not quite full)

2 votes
1 answer
225 views

Is there an algebra group (or ring) in which computing the inverse element is hard without some trapdoor information?

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0 answers
79 views

Textbook RSA on random numbers mod a smaller prime

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0 answers
78 views

How to create RSASSA-PSS keys using openssl?

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0 answers
39 views

How to find modulus and decrypt a message with a CPA on textbook RSA. The encryption oracle only allows two queries

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77 views

Decrypt RSA knowing N, invp, and invq

2 votes
1 answer
3k views

In RSA, how to calculate the private exponent 'd', after choosing 'e'?

1 vote
1 answer
78 views

Is gcd(e,p−1)=1=gcd(e,q−1) similar to gcd(e,phi(n))=1?

3 votes
1 answer
217 views

RSA/ ECC keygen HW vs SW

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