StrongKey CryptoDriver

Disk/Volume Encryption with centralized key-management

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Modifying your application to protect sensitive data within the application is the best possible data-security you can achieve: it provides the smallest attack-surface and protects data in every other layer below the application-layer in the stack.

When you cannot modify the application (perhaps because you do not have the source), you might still want data-at-rest encryption to ensure that the underlying disk/volume or filesystem is encrypting data as it writes out blocks, and decrypts data as it reads blocks.

StrongKey CryptoDriver is a free and open-source software, based on one of the most popular free and open-source disk/volume-encryption technologies, with one twist: instead of the encryption key being encrypted and stored in the header of the disk/volume, it is escrowed securely within a centralized key-management system, while the kernel driver has been modified to recover the key on boot-up before mounting the disk/volume.

StrongKey CryptoDriver Web Site


  • Create a virtual encrypted disk within a file and mount it as a real disk.
  • Encrypt an entire partition or storage device, such as a USB flash drive or hard drive.
  • Automatic, real-time (on the fly), and transparent encryption/decryption.
  • Parallelization and pipelining to allow data to be read and written as fast as if the drive was not encrypted.
  • Hardware-accelerated encryption with modern processors.
  • Integration with the StrongAuth KeyApplianceTM

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Intended Audience

Security Professionals, System Administrators

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