Mobile Security Card VE 2.0: Protecting Voice Calls with Strong Encryption

Giesecke & Devrient (G&D) is introducing a new microSD card to prevent cell phone tapping. The Mobile Security Card VE 2.0 contains a cryptocontroller which encrypts cell phone conversations and securely authenticates the user. The microSD card was developed by Giesecke & Devrient Secure Flash Solutions (G&D SFS), a joint venture of G&D and Phison Electronics. VE stands for Voice Edition, and the new Mobile Security Card VE 2.0, which fits into the microSD slot in cell phones and smart phones, was designed specially for companies wishing to protect themselves from attempts to tap cell phone conversations. The cryptocard's hardware meets the Common Criteria EAL 5+ security standard, and the Secure Voice Card uses two-factor authentication: to confirm their identity, users need not only the card itself but also the appropriate PIN.

The longer an encryption algorithm's key is, the harder it is to crack. What makes the Mobile Security Card VE 2.0 stand out is the record speed with which it calculates keys, which are up to 521 bits long and based on elliptical curves, and carries out the associated exchange of keys. "Thanks to its 521-bit key, the Mobile Security Card VE 2.0 guarantees strong authentication and as a result it offers a considerable level of security. The market has never seen anything like this product," states Marcus Rosin, Managing Director of G&D SFS.

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