The MD5 test suite (driver option "-x") should print the following   results:MD5 test suite:MD5 ("") = d41d8cd98f00b204e9800998ecf8427eMD5 ("a") = 0cc175b9c0f1b6a831c399e269772661MD5 ("abc") = 900150983cd24fb0d6963f7d28e17f72MD5 ("message digest") = f96b697d7cb7938d525a2f31aaf161d0MD5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3d76192e4007dfb496cca67e13bMD5 ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") =d174ab98d277d9f5a5611c2c9f419d9fMD5 ("12345678901234567890123456789012345678901234567890123456789012345678901234567890") = 57edf4a22be3c955ac49da2e2107b67aSecurity Considerations   The level of security discussed in this memo is considered to be   sufficient for implementing very high security hybrid digital-   signature schemes based on MD5 and a public-key cryptosystem.Author's Address   Ronald L. Rivest   Massachusetts Institute of Technology   Laboratory for Computer Science   NE43-324   545 Technology Square   Cambridge, MA  02139-1986   Phone: (617) 253-5880   EMail: rivest@theory.lcs.mit.edu