文件列表:

FreeDES100\freedes.vhd (64859, 1999-11-02)
FreeDES100\testbench.vhd (9683, 1999-07-12)
FreeDES100 (0, 2004-11-15)

---------------------------------------------------------------------------- ---------------------------------------------------------------------------- -- The Free IP Project -- VHDL DES Core -- (c) 1999, The Free IP Project and David Kessner -- -- -- Warning: This software probably falls under the jurisdiction of some -- cryptography import/export laws. Don't import/export this -- file (or products that use this file) unless you've worked -- out all the legal issues. Don't say we didn't warn you! -- -- -- FREE IP GENERAL PUBLIC LICENSE -- TERMS AND CONDITIONS FOR USE, COPYING, DISTRIBUTION, AND MODIFICATION -- -- 1. You may copy and distribute verbatim copies of this core, as long -- as this file, and the other associated files, remain intact and -- unmodified. Modifications are outlined below. Also, see the -- import/export warning above for further restrictions on -- distribution. -- 2. You may use this core in any way, be it academic, commercial, or -- military. Modified or not. See, again, the import/export warning -- above. -- 3. Distribution of this core must be free of charge. Charging is -- allowed only for value added services. Value added services -- would include copying fees, modifications, customizations, and -- inclusion in other products. -- 4. If a modified source code is distributed, the original unmodified -- source code must also be included (or a link to the Free IP web -- site). In the modified source code there must be clear -- identification of the modified version. -- 5. Visit the Free IP web site for additional information. -- ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- This is version 1.00 (November 12, 1999) of the Free-DES core. The complete documentation can be read at http://www.free-ip.com Version 1.00 has some major changes from v0.91 in that it is now "mostly compliant" with the NIST-800-17 standard. This, unfortunately, means that the encrypted data is not compatible with previous versions of the Free-DES core. The only change for version 0.91 was a typo in the des_kp function. This function is not used in the Free-DES core, so it only effects people who used it outside of the core. ---------------------------------------------------------------------------- ----------------------------------------------------------------------------

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