Welcome to GostCrypt
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Version 1.3.1 has just been released. A new algorithm (Grasshopper, new Russian standard) has been added but only in standard mode (no user's key and data dependent version for the moment at it is the case for for the original GOST algorithm; this mode will be available soon for Grashopper as soon as we have completed the statistical analysis).
Please note that since we have modified the XTS mode to make it more robust, Gostcrypt versions 1.0 and 1.3.x are not compatible.