American Cryptogram Association (ACA) is a non-profit organization
dedicated to promoting the hobby and art of cryptanalysis -- that is,
learning to break ciphers.
Now is an ideal time to join the ACA. While supplies last, new members will receive a CD-ROM containing the contents of The Cryptogram from 1932 to 2009. For information on membership benefits and details on how to join see Membership.
2015 Cryptologic History Symposium
At John Hopkins University, MD starting Thu Oct 27, 2015. Read More
If you wish to use PayPal as an option for paying your ACA dues or ACA For Sale items, please refer to the instructions on the membership page and use the fee calculator to get the correct amount.
Free Web App.
The ACA's "Solve a Cipher!" program is now available as a free web app for users of Google's Chrome web browser. To get it, click HERE, or go to the Chrome Web Store and search on "ciphers".
New Expanded Free Sample Issue
The free sample issue of The Cryptogram available for download has been expanded with more explanations and many more ciphers to solve. Read about it and download it on the Sample Issue page under About the ACA .
2nd Edition PHOENIX Memorial CDROM
A member reported that the links on the index page of the 2nd Edition PHOENIX Memorial CDROM did not work with Acrobat Reader v9. It turned out to be caused by the default value of a preference option. Here is how it was corrected:
Documents->View Documents in PDF/A mode: NEVER
From the Edit menu, select "Preferences", then choose to look under Category "Documents".
The option "View Documents in PDF/A mode" should be changed to "Never".
FBI Code Breaking Challenge.
The FBI has a website with a code breaking challenge. Check it out.
THE RAT has made available for ACA members a program called Conmaker. It is designed for Windows users to easily create and submit cons to the ACA column editors. If interested, go to the Members Area / Downloads and get your copy.
2015 ACA Annual Convention Washington, DC-Chantilly, VA
Last minute information about sightseeing during the convention: Click here
ACA’s 2015 convention will take place in Chantilly, VA, a suburb of Washington, DC, August 28-30, 2015. Your hosts, G-MAN (FriedmanRJ@msn.com) and ASYMPTOTE (email@example.com), have made arrangements and plans to ensure this is a most pleasurable and enlightening event.
We hope you will join fellow members of the Krewe in this opportunity to meet and interact with others who share your enjoyment of what is admittedly a pretty specialized area of interest. Come and share your knowledge of cryptology—from historical aspects to solving methods—with fellow members. During your visit, take advantage of the opportunity to do some sightseeing in the Washington, DC, area, with its surfeit of historical and educational sites, many of which have no admission fee.
Depending on the expressed interests of the Krewe, we will have group field trips on Friday and Sunday. You will have the opportunity to indicate your preferences on the registration form in The Cryptogram.
By the way, if a planned activity is not of interest to you, or maybe you’ve seen it a few times already, feel free to do something different. Your hosts know the DC area quite well and are definitely willing to assist you in this.
More to come . ..