Sign data using private key on client-side (javascript)

Question

I know, it looks strange, but I need to sign some data on client-side using javascript only, no ajax backdoor to server-side openssl available. Could someone suggest some client-side solution to sign data using private key? Is it possible?

Thanks.

Answer 1

Found great signing tool. It implements RSA-SHA1 (works perfectly) and RSA-SHA256 (works strange), and allow both to generate signature using private key and to verify signature using certificate.