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Lecture Notes in Computer Science
The DECT Standard Cipher (DSC) is a proprietary stream cipher used for enciphering payload of DECT transmissions such as cordless telephone calls. The algorithm was kept secret, but a team of cryptologists reverse-engineered it and published a way to reduce the key space when enough known keystreams are available  . The attack consists of two phases: At first, the keystreams are analyzed to build up an underdetermined linear equation system. In the second phase, a bruteforce attack isdoi:10.1007/978-3-642-24209-0_12 fatcat:76jjl2gur5b55dtoaqovpgcste