The RC4 key is generated from your password using SHA-1 algorithm. Open the 'About' dialog in Internet Explorer and check if you have 128-bit encryption. The length of RC4 key depends on Windows settings and can be either 56 or 128-bit. In DPD Light your disk is encrypted by the 'AES key' using AES algorithm the 'AES key' itself is encrypted by the 'RC4 key' using RC4 algorithm with default key length installed on your computer.

Why Dekart Private Disk is more secure than Dekart Private Disk Light? The product offering better functionality than Dekart Private Disk Light, is Dekart Private Disk, a highly configurable advanced disk encryption software, offering a host of important features and options. Private Disk Light keeps information safe and secure, but currently its development has been stopped. Data encryption is an effortless process, requiring only the copying of files into the designated secure drive. Private Disk Light is very easy to use and takes only a few minutes to install. Imp ortant note: Dekart Private Disk contains No spyware, No adware, No viruses and it's freeware.

Without the password, the information from a secure disk is completely secure. The encrypted data can be accessed only after you enter the correct password. When the encrypted disk is mounted, the data is automatically encrypted and decrypted when the user writes or reads this data respectively. Once a user creates a virtual encrypted disk, that disk is assigned a new drive letter and appears to the user like any other system drive (like the A: or C: drive). Private Disk Light creates one or more virtual encrypted disks on your hard drive and/or other external storage devices. Private Disk Light uses NIST certified AES 128-bit encryption to protect confidential information. All data encryption is extremely fast, automatic, on-the-fly and with no performance penalty. This free disk encryption software creates a virtual encrypted disk within a file and mounts it as a real disk. Dekart Private Disk Light is free disk encryption software for Windows.

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