[PATCH] MD2 for libgcrypt

[Stephan Mueller]

Hi,

please see attached the patch adding MD2 to libgcrypt. The
implementation is copied from NSS. As this implementation is covered by
the LGPL, it should be consistent with libgcrypt.

The code works, the test case passes (and I even verified that negative
tests fail).

Furthermore, I am able to import the infamous Verisign Class 1
certificate using MD2 into the key store with gpgsm.

Please verify the code attached and let me know.

There is one issue I need help with: I have no real idea about the size I should add to burn_stack().

The code base is libgcrypt 1.4.4 as found on Ubuntu Lucid.

Thanks
Stephan

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