4
votes
3answers
299 views

Are there any serious problems with this technique for generating symmetric keys?

I'm using a technique borrowed out of a book by Bruce Schneier and Niels Ferguson called Practical Cryptography. Basically, it boils down to this: Bob does this: pubk_A = Alice's public key ...
8
votes
3answers
1k views

What common products use Public-key cryptography?

I want know what common use products are there that use public key/private key cryptography?