Back in the time when mobile messaging apps stored messages in plain text and calls could be eavesdropped we were approached by a revolutionary American based startup who believed that messaging and VOIP calling should be secure, and that such security should be publicly provable not just declarable.
During our cooperation we have delivered and maintained a secure VOIP calling and messaging mobile app integrating a Latvian made VOIP engine.With Silent phone we had the unique chance to collaborate with the inventor of ZRTP Phil Zimmerman and pioneer the Diffie-Hellman algorithm with SAS verification
