Is there an in-kernel RSA implementation available...if there is one, could you kindly point me to it. I wish to use RSA functions in the TCP code. Can someone guide me on how I can go about doing that (if I dont want to implement RSA myself).
The actual RSA bits aren't really a big deal:
C = (T^E) mod PQ
T = (C^D) mod PQ where C = ciphertext, T = plaintext, PQ = modulus,
E = public exponent and D = secret exponent(from http://world.std.com/~franl/crypto/rsa-guts.html)
You really need an arbitrary precision library and key management of some sort.
I'm finishing up an arbitrary precision library that runs in the kernel and userland. I'd welcome review and critique once the code is ready for the light of day.
I've got a few ideas about what key management should look like, and will be working on it soonish. What is your application? I'd like to make sure my work is useful to others.
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