Cellcrypt released a version of its voice encryption software for Apple's iPhone on Tuesday, adding to its portfolio of software to prevent eavesdropping on calls. Cellcrypt released a version of its voice encryption software for Apple’s iPhone on Tuesday, adding to its portfolio of software to prevent eavesdropping on calls.The product, called Cellcrypt Mobile for iPhone, works with iOS4 on Apple’s iPhone 3GS and iPhone 4. It is one of two voice encryption applications listed in the App Store, although there are other voice encryption applications for the iPhone platform from vendors such as Goldlock and SecurStar.The iPhone application works in the same way as Cellcrypt’s products for other platforms. It’s a VOIP (voice over IP) application that uses either Wi-Fi or an operator’s data channel on either GPRS, EDGE, 3G or satellite networks to transmit voice.Both the caller and the recipient must have Cellcrypt installed in order to encrypt the call. The iPhone version is interoperable with other Cellcrypt software for platforms including Symbian, Android and Blackberry, said Ian Meakin, Cellcrypt’s vice president of marketing. Cellcrypt uses public key cryptography, and each phone running its software has its own private key stored only on the device. When a call is initiated, the two devices exchange a secret session key, which is then erased when the call ends.Voice data is then double encrypted first using a 256-bit RC4 algorithm and then again with a 256-bit AES algorithm, Meakin said. The heavy encryption can cause up to a 1.5 second delay using the slower GPRS networks, varying somewhat depending on available bandwidth and network traffic. Over Wi-Fi, latency can be as low as 150 milliseconds, which is unnoticeable to callers. Meakin said tests have shown that latency has been less on the iPhone due to its speedy processors.Cellcrypt Mobile meets the U.S. government’s 140-2 Federal Information Processing Standards, which means it can be used by government employees for certain classifications of information.Cellcrypt recently raised the price of an annual subscription from US$1,500 to $1,600. With that change, Cellcrypt is allowing users to change devices without requiring customers to buy another license. Users can now also install Cellcrypt’s software on another device, Meakin said.Send news tips and comments to jeremy_kirk@idg.com Related content news Chinese state actors behind espionage attacks on Southeast Asian government The distinct groups of activities formed three different clusters, each attributed to a specific APT group. By Shweta Sharma Sep 25, 2023 4 mins Advanced Persistent Threats Advanced Persistent Threats Cyberattacks feature How to pick the best endpoint detection and response solution EDR software has emerged as one of the preeminent tools in the CISO’s arsenal. Here’s what to look for and what to avoid when choosing EDR software. By Linda Rosencrance Sep 25, 2023 10 mins Intrusion Detection Software Security Monitoring Software Data and Information Security feature Top cybersecurity M&A deals for 2023 Fears of recession, rising interest rates, mass tech layoffs, and conservative spending trends are likely to make dealmakers cautious, but an ever-increasing need to defend against bigger and faster attacks will likely keep M&A activity steady in By CSO Staff Sep 22, 2023 24 mins Mergers and Acquisitions Data and Information Security IT Leadership brandpost Unmasking ransomware threat clusters: Why it matters to defenders Similar patterns of behavior among ransomware treat groups can help security teams better understand and prepare for attacks By Joan Goodchild Sep 21, 2023 3 mins Cybercrime Podcasts Videos Resources Events SUBSCRIBE TO OUR NEWSLETTER From our editors straight to your inbox Get started by entering your email address below. Please enter a valid email address Subscribe