Social:PC1 cipher
From HandWiki
The Amazon Kindle e-book reader DRM system uses the PC1 cipher, also called the Kindle cipher or Pukall cipher 1.[1]
History
The PC1 cipher was designed by Alexander Pukall in 1991.[2][3]
Successors
Caracachs Cipher formerly known as PC3 Cipher was released in 2000.[4]
PC4 was released in 2015. It's a block cipher specifically designed for DMR radio communication systems. It uses 253 rounds and the key size can vary from 8 bits to 2112 bits. The block size is 49 bits, the exact size of an AMBE+ DMR voiceframe. [5]
References
- ↑ Gregor Leander. "Lightweight Block Cipher Design. 2014.
- ↑ Alex Biryukov, Gaëtan Leurent, Arnab Roy. 'Cryptanalysis of the “Kindle” Cipher'. [1] [2] [3] 2012.
- ↑ Lars R. Knudsen, Huapeng Wu. "Selected Areas in Cryptography" 2012. p. 86.
- ↑ "PC3 encryption cipher". 2000. http://pccipher.free.fr/pc3/caracachs.txt.
- ↑ "PC4 DMR encryption cipher". 2015. http://pccipher.free.fr/pc4/pc4.txt.
External links
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