Roland Piquepaille writes "According to eWEEK, the National Security Agency (NSA) has picked a commercial solution for its encryption technology needs, instead on relying on its own proprietary code. "The National Security Agency has purchased a license for Certicom Corp.'s elliptic curve cryptography (ECC) system, and plans to make the technology a standard means of securing classified communications. In the case of the NSA deal, the agency wanted to use a 512-bit key for the ECC system. This is the equivalent of an RSA key of 15,360 bits." This summary includes the NIST guidelines for public key sizes and contains more details and links about the ECC technology. Since the announcement, Canadian Press reports that Certicom's shares more than doubled in Toronto."