Gunnar Wolf• Gunnar Wolf - Nice grey life

Gunnar Wolf - Nice grey life - page 247

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2004.12.08

Today I found a quite disturbing mail sent to Bugtraq, in which Dan Kaminsky shortly describes a way to generate more than one file with the same MD5 hash, and links to a paper explaining it further. And if that were not enough, Pavel Machek sent another mail telling a little story and demonstrating Kaminsky’s claims with a little story about a scam. I checked the files attached to his mail, and yes, we have two similar (but different) files with the same MD5 hash: <code=”bash”>~$ md5sum /tmp/msg1 /tmp/msg2 ; diff –brief /tmp/msg1 /tmp/msg2 57ce330a6c6ca8e9ffab4f3b36b2a1a5 /tmp/msg1 57ce330a6c6ca8e9ffab4f3b36b2a1a5 /tmp/msg2 Files /tmp/msg1...