From Crypto++ Wiki
Suggestions, Errata, Errors, and Omissions
Please post suggestions and problems to the Crypto++ User's Group so they may be evaluated, implemented, or corrected.
If you want to request help, please offer the information requested on the Bug Reporting page. It is not a bug, but this information is generally useful for Wei and others. Also, no one wants to write a sample program to try and duplicate your issue.
If you want to report a suspected bug, please visit the Bug Reporting page for instructions and link to the Crypto++ Bug Trac.