Red Pike

Red Pike is a Encryption algorithm per block classified by the British government . The algorithm was proposed by GCHQ for a use within the National Health Service without however restricting its use with this only governmental entity. It was certified like ready to quantify the data Restricted .

Little information filtered about it except that it acts of a coding on a block of 64 bits with a key of 64 bits. According to an emanating report/ratio of four academic experts who were quoted in their turn in a paper of Ross Anderson and Markus Kuhn, Red Pike uses “the same basic operations as those of RC5” (addition, XOR and shift on the left) and “does not have tables, practically not Key schedule and asks for only approximately 5 lines of code”. Moreover, “the influence of each bit of the key produces quickly a Effet avalanche” and “each coding requires approximately 100 operations”.

Thames Bridge and Rambutan is the names of other codings classified by the United Kingdom.

References

C Mitchell, S Murphy, F Piper, P Wild. (1996). Red Pike - year assessment. Codes and Ciphers Ltd 10/2/96.
Recommendations of the CESG (British service dealing with the safety of information)
Paper of Anderson and Kuhn
" The uses off encryption and related services with the NHSnet"

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