# All Questions

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### Is this a valid “fix” for deterministic encryption in encrypted databases?

It appears (after doing some light research) that for encrypted databases to be practical enough to be usable, deterministic encryption is required, specifically with regard to the type of encryption ...
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### x509 Certificate Signature

I've got a question about the signature of a CA. As I understand, the CA takes the public key of the client and signs it with his own private key by using "md5WithRSAEncryption" (like explained here: ...
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### Is pairing based cryptography computationaly expensive? [on hold]

What is the time complexity of pairing based cryptography compared to other public key encryption schemes? for encoding a single charector what is the space complexity?
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### Applications of GF(p) polynomials

A Galois field of the type $GF(p)$, where $p$ is prime, is normally expressed as the ring of integers modulo $p$. If my understanding is correct, it is also possible to represent its elements as a ...
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### Why do Certificate Authorites cross-sign each other? [closed]

In cryptography, a Certificate Authority (CA) issues digital certificates to certify the ownership of a public key by the named subject of the certificate. What is the rationale for CAs cross-signing ...
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### What is contained in a RSA key file? [duplicate]

Consider a RSA key file like this: ...

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