512 bit RSA Key Broken in 1999?

RSA Crypto Challenge Sets New Security Benchmark - 512-Bit Public Key Factored by International Team of Researchers (1999).

RSA Crypto Challenge stabilisce un nuovo Security Benchmark - 512-Bit Public Key fattorizzata da un gruppo internazionale di ricercatori (1999).


Reference
http://www.scramdisk.clara.net/pgpfaq.html
http://www.mail-archive.com/cryptography-digest@senator-bedfellow.mit.edu/msg01600.html