以下是提供這類解決方案的公司資料：

Secure Net Key (SNK)Digital Pathways, Inc.201 Ravendale Dr. Mountainview, Ca.97703-5216 USAPhone: 415-964-0707 Fax: (415) 961-7487Secure IDSecurity Dynamics,One Alewife CenterCambridge, MA 02140-2312USA Phone: 617-547-7820Fax: (617) 354-8836Secure ID uses time slots as authenication rather than challenge/response.ArKey and OneTime PassManagement AnalyticsPO Box 1480Hudson, OH 44236Email: fc@all.netTel:US+216-686-0090 Fax: US+216-686-0092WatchWord and WatchWord IIRacal-Guardata480 SPRing Park PlaceHerndon, VA 22070703-471-08921-800-521-6261 ext 217CRYPTOCardArnold Consulting, Inc.2530 Targhee Street, Madison, Wisconsin53711-5491 U.S.A.Phone : 608-278-7700 Fax: 608-278-7701Email: Stephen.L.Arnold@Arnold.ComCRYPTOCard is a modern, SecureID-sized, SNK-compatible device.SafeWordEnigma Logic, Inc.2151 Salvio #301Concord, CA 94520510-827-5707 Fax: (510)827-2593For information about Enigma FTP to: ftp.netcom.com in Directory/pub/sa/safewordSecure Computing Corporation:2675 Long Lake RoadRoseville, MN 55113Tel: (612) 628-2700Fax: (612) 628-2701debernar@sctc.com