3 ms·
about encrypting the card data, can't you encrypt with an RSA public key and store the private key off-site? I thought it also worked backwards like that.
by nraynaud 13y ago
about encrypting the card data, can't you encrypt with an RSA public key and store the private key off-site? I thought it also worked backwards like that.
- jewel 13y agoYes, at a former job that was exactly how we did it in our point-of-sale software. The software had the public key and could do a one-way encryption of the data for temporary storage on disk if the network was down. The private key only existed on a server we controlled.