OpenStego is a tool for steganography. It also
supports optional encryption of data before
embedding. It uses a plugin-based architecture,
and support for various steganographic algorithms
can be added using external plugins.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The command-line syntax was fully revamped to make
it more conventional in nature. Support for
reading a message file from stdin was added.
Support for writing a stego file to stdout was
added. Support for masked password entry on the
command-line was added.
Support for using a randomly generated image as a cover file using the '-random' option was added. A command line option was added to list the supported read/write image formats. JAI can be installed to provide support for additional image formats. A bug where channgelBitsUsed was written wrongly in the header data was fixed. A check was added for the extension for Output Image File selection. Header versioning support was added for a compatibility check in future versions.