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Active Distributed Computing Projects - Cryptography

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Project Information	Project % Complete	Major Supported Platforms

Cryptography
distributed.net organizes projects like cracking data encryption schemes (legally) and searching for Optimal Golomb Rulers (measuring systems used in radio astronomy and X-ray crystallography). The project completed its RC5-64 project on September 25, 2002. The winning key was found after 1,726 days of work by 331,252 volunteers (and after 15,268,315,356,922,380,288 keys (82.8% of the keyspace) were tested). The RC5-72 project began on December 3, 2002. Phase 1 of the OGR-24 project (which searched for stubs with leading marks totalling less than 70 and looked for a ruler shorter than the best-known length 425) began on July 9, 2000 and ended on May 13, 2004 without finding a shorter ruler. It tested 473,665,133,531,708,700 nodes. Phase 1 of the OGR-25 project (which searched for stubs with leading marks totalling less than 70 and looked for a ruler shorter than the best-known length 480) began on July 29, 2000 and ended on May 13, 2004 without finding a shorter ruler. It tested 28,068,365,417,772,860,000 nodes. The OGR Phase 2 or OGRp2 project began on May 9, 2004. It is searching for OGR-24 and OGR-25 stubs with leading markings totalling 70 or greater and looking for rulers shorter than the best-known lengths listed above. OGR-24 (and the OGR-24 part of OGRp2) was completed on November 1, 2004. It confirmed that the best known ruler: (24/9-24-4-1-59- 25-7-11-2-10-39- 14-3-44-26-8-40- 6-21-15-16-19-22) is the optimal 24-mark ruler. 555,529,785,505,835,800 rulers were tested, twice, in OGR-24. See the November 1, 2004, entry in Greg Hewgill's .plan for a diagram and explanation of the meaning of the optimal ruler. Currently the RC5-72 and OGRp2 projects are active. Version 2.9008.493 of the client is available for some major platforms as of August 17, 2004. Pre-release version 2.9009.494 is available for many platforms as of August 19, 2004: this version contains the new GARSP 6.0 core for OGRp2. A pre-release version of the personal proxy server (build 341), is available for most platforms as of May 10, 2004. Note: client versions older than 2.9008.490 and personal proxies older than 431 cannot participate in the OGRp2 project. See a log of an IRC discussion forum with some of the project coordinators which took place on September 28, 2002. They discussed the results of the RC5-64 project and future directions for distributed.net. Use the RC5 key-rate calculator to see approximately what RC5 key-rate and OGR node-rate your CPU will produce. The calculator was updated by CalicoJak in January, 2003.	RC5-72: 0.168% in 733 days OGR-25 p2: 10-15% complete as of November 1, 2004

Project Information

Project % Complete

Major Supported Platforms

Cryptography

distributed.net organizes projects like cracking data encryption schemes (legally) and searching for Optimal Golomb Rulers (measuring systems used in radio astronomy and X-ray crystallography). The project completed its RC5-64 project on September 25, 2002. The winning key was found after 1,726 days of work by 331,252 volunteers (and after 15,268,315,356,922,380,288 keys (82.8% of the keyspace) were tested). The RC5-72 project began on December 3, 2002. Phase 1 of the OGR-24 project (which searched for stubs with leading marks totalling less than 70 and looked for a ruler shorter than the best-known length 425) began on July 9, 2000 and ended on May 13, 2004 without finding a shorter ruler. It tested 473,665,133,531,708,700 nodes. Phase 1 of the OGR-25 project (which searched for stubs with leading marks totalling less than 70 and looked for a ruler shorter than the best-known length 480) began on July 29, 2000 and ended on May 13, 2004 without finding a shorter ruler. It tested 28,068,365,417,772,860,000 nodes. The OGR Phase 2 or OGRp2 project began on May 9, 2004. It is searching for OGR-24 and OGR-25 stubs with leading markings totalling 70 or greater and looking for rulers shorter than the best-known lengths listed above. OGR-24 (and the OGR-24 part of OGRp2) was completed on November 1, 2004. It confirmed that the best known ruler: (24/9-24-4-1-59- 25-7-11-2-10-39- 14-3-44-26-8-40- 6-21-15-16-19-22) is the optimal 24-mark ruler. 555,529,785,505,835,800 rulers were tested, twice, in OGR-24. See the November 1, 2004, entry in Greg Hewgill's .plan for a diagram and explanation of the meaning of the optimal ruler.

Currently the RC5-72 and OGRp2 projects are active.

Version 2.9008.493 of the client is available for some major platforms as of August 17, 2004. Pre-release version 2.9009.494 is available for many platforms as of August 19, 2004: this version contains the new GARSP 6.0 core for OGRp2. A pre-release version of the personal proxy server (build 341), is available for most platforms as of May 10, 2004. Note: client versions older than 2.9008.490 and personal proxies older than 431 cannot participate in the OGRp2 project.

See a log of an IRC discussion forum with some of the project coordinators which took place on September 28, 2002. They discussed the results of the RC5-64 project and future directions for distributed.net.

Use the RC5 key-rate calculator to see approximately what RC5 key-rate and OGR node-rate your CPU will produce. The calculator was updated by CalicoJak in January, 2003.

RC5-72:
0.168% in 733 days

OGR-25 p2:
10-15% complete as of November 1, 2004

The following icons may appear in the Supported Platforms section of the table:


	this project is good for users with dialup Internet access
	this is a for-pay project
	this project runs on the Windows 32-bit platform
	this project runs on the Linux platform
	this project runs on the Mac OS platform
	this project runs on the Solaris platform

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