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GSMK Secure Cryptophone

·          GSMK CryptoPhones are the first and only fully trustworthy solution for completely confidential mobile phone calls.

·          GSMK CryptoPhones are very easy to use and provide hassle-free, convenient security. They are all based on the strongest encryption algorithms - AES 256 and Twofish.

·          Very long keys ensure the security of your calls far into the future. GSMK products contain no backdoors for anyone and can be fully verified by independent researchers.

·          GSMK CryptoPhones offer worldwide protection for your confidential phone calls- whether by GSM cellular network (900, 1800, 1900 Mhz), satellite or land line.

 

The GSMK CryptoPhone 200 is the first secure Tri-Band mobile phone that comes with full source-code available for independent review.

 

·          Secures your voice's privacy

·          Strongest and most secure algorithms available today

·          AES256 and Twofish

·          4096 bit Diffie-Hellman key exchange with SHA256 hash function

·          Readout-hash based key authentication

·          256 bit effective key length

·          Encryption key is destroyed immediately after the call ends

·          Source code available online for independent security assessments

·          Also supports unencrypted calls, unencrypted SMS, address book, calendar etc.

·          Works in any 900/1800/1900 GSM network that provides data call facilities

·          Standby: 150 hours

·          Talk time: Secure up to 3 hours 30 minutes / Unsecured up to 4 hours