An introduction to new stream cipher designs

Turning data into line noise and back

Tor E. Bjørstad

Playlists: '25c3' videos starting here / audio / related events

Even with "nothing to hide", we want to protect the privacy of our bits and bytes. Encryption is an important tool for this, and stream ciphers are a major class of symmetric-key encryption schemes. Algorithms such as RC4 (used in WEP/WPA, bittorrent, SSL), A5/1 (GSM telephony), E0 (bluetooth), as well as AES in counter (CTR) mode, are important examples of stream ciphers used in everyday applications.

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