freeotfe is a free, open source, "onthefly" (otfe) disk encryption program for pcs running ms windows and windows mobile pdas (freeotfe4pda).
it creates "virtual disks" anything written to which is automatically encrypted before being stored on the computer's hard drive or usb drive.
using this software, you can create one or more "virtual memory cards" on your pda anything written to which will be automatically, and securely, encrypted before being stored.
can be used in "portable mode", which allows its to be kept on a usb drive, together with its encrypted data, and carried around. this allows it to be used on any pc without installation to "mount" and access the encrypted data through a virtual disk.
features include:
source code freely available easy to use; full wizard included for creating new volumes powerful: supports numerous hash/encryption algorithms, and provides a greater level of flexibility than a number of other (including commercial!) otfe systems hash algorithms include: md5, sha512, ripemd160, tiger and many more cyphers include aes (256 bit), twofish (256 bit), blowfish (448 bit), serpent (256 bit) and many more "hidden" volumes may be concealed within other freeotfe volumes, providing "plausible deniability" encrypted volumes have no "signature" to allow them to be identified as such modular design allowing 3rd party drivers to be created, incorporating new hash/cypher algorithms supports password salting (up to 512 bits), reducing the risks presented by dictionary attacks. keyfile support included; store volumes and their associated metadata separately. uses persector ivs, including support for essiv volume file timestamps and attributes are reset after dismounting, increasing "plausible deniability" plus more...!compatible with linux encrypted volumes (e.g. luks, cryptoloop, dmcrypt).
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