[OTR-dev] Evidence of intelligence agency decryption of OTR chats

Gregory Maxwell gmaxwell at gmail.com
Sun Dec 28 18:40:02 EST 2014


http://www.spiegel.de/media/media-35552.pdf

>From http://www.spiegel.de/international/world/nsa-documents-attacks-on-vpn-ssl-tls-ssh-tor-a-1010525.html

The fact that they appear to have decrypted some but not all messages
in a log suggests to me that this is not a host compromise, or an
MITM. But potentially an attack on 1024 bit DH or AES-CTR?


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