1 This is the Python version of the MD5 test program from the MD5

     2 Internet Draft (Rivest and Dusse, The MD5 Message-Digest Algorithm, 10

     3 July 1991).  The file "foo" contains the string "abc" with no trailing

     4 newline.

     5 

     6 When called without arguments, it acts as a filter.  When called with

     7 "-x", it executes a self-test, and the output should literally match

     8 the output given in the RFC.

     9 

    10 Code by Jan-Hein B\"uhrman after the original in C.