Log Message:
Update to version 0.8.17:

Version 0.8.17 (released October 4 2002)
- Corrected the HEX key mode. Refuses to convert hex strings longer
  than the given key size.
- Corrected some memory leaks in keygen_s2k. Patch by Bob Mathews
  <bobmathews@alumni.calpoly.edu>
- Corrected wrong use of sizeof in hmac_test. Reported by Ellis Pritchard
  <ellispritchard@users.sf.net>

Version 0.8.16 (released May 29 2002)
- Code cleanups and optimizations
- Added configure time options to disable certain algorithms

Version 0.8.15 (released May 24 2002)
- Corrected Iterated S2K
- Made all static tables constant (pointed out by Darryl Miles \ 
<darryl@netbauds.net>)

Version 0.8.14 (release March 28 2002)
- mhash_deinit() and mhash_hmac_deinit() now accept a null digest parameter
- Corrected memory leaks (patch by Gustavo Niemeyer <niemeyer@conectiva.com>)
- Corrected bug in Gost hash algorithm (pointed out by Mike Gorchak \ 
<mike@malva.ua>)

Version 0.8.13 (released November 18 2001)
- Added ADLER32 algorithm (implementation by Manuel Kasper <mk@neon1.net>)

Version 0.8.12 (released October 29 2001)
- Corrected bugs in mhash_get_name() functions
- Added SHA-256 from libnettle.

Version 0.8.11 (released October 21 2001)
- added mhash_save_state_mem() and mhash_restore_state_mem() functions,
  initial patches and idea by Blake Stephen <Stephen.Blake@veritect.com>
- Added mhash_get_name_static()
- Corrected mhash_get_name() and mhash_count()

Version 0.8.10 (released on July 12 2001)
- New mhash_deinit() and mhash_hmac_deinit() functions based on the
  proposal, and patches by William Ahern <wahern@25thandClement.com>