This story appeared in Wireless Daily News - this is a local copy of the article.
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Cryptographers Announce Break in Authentication Encryption for GSM Phones

WASHINGTON, D.C., April 13, 1998 - A software developer and two graduate students announced April 11 in San Francisco that they have been able to extract encrypted information from the "smart cards" used in GSM phones.

The Cellular Telecommunications Industry Association makes the following points about this announcement: