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gnu: Add ghc-cprng-aes.

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* gnu/packages/haskell-crypto.scm (ghc-cprng-aes): New variable.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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rsiddharth 2018-03-21 03:44:51 +00:00 committed by Ludovic Courtès
parent 13c281672d
commit 7565a30893
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1 changed files with 46 additions and 0 deletions
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46
gnu/packages/haskell-crypto.scm
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@ -614,3 +614,49 @@ (define-public ghc-crypto-random
(description "Simple cryptographic random related types: a safe
abstraction for CPRNGs.")
(license license:bsd-3)))
(define-public ghc-cprng-aes
(package
(name "ghc-cprng-aes")
(version "0.6.1")
(source
(origin
(method url-fetch)
(uri (string-append "https://hackage.haskell.org/package/"
"cprng-aes-" version "/"
"cprng-aes-" version ".tar.gz"))
(sha256
(base32
"1wr15kbmk1g3l8a75n0iwbzqg24ixv78slwzwb2q6rlcvq0jlnb4"))))
(build-system haskell-build-system)
(inputs `(("ghc-byteable" ,ghc-byteable)
("ghc-crypto-random" ,ghc-crypto-random)
("ghc-cipher-aes" ,ghc-cipher-aes)))
(home-page "https://github.com/vincenthz/hs-cprng-aes")
(synopsis "Crypto Pseudo Random Number Generator using AES in counter mode
in Haskell")
(description "Simple crypto pseudo-random-number-generator with really
good randomness property.
Using ent, a randomness property maker on one 1Mb sample:
@itemize
@item Entropy = 7.999837 bits per byte.
@item Optimum compression would reduce the size of this 1048576 byte file by 0
percent.
@item Chi square distribution for 1048576 samples is 237.02.
@item Arithmbetic mean value of data bytes is 127.3422 (127.5 = random).
@item Monte Carlo value for Pi is 3.143589568 (error 0.06 percent).
@end itemize
Compared to urandom with the same sampling:
@itemize
@item Entropy = 7.999831 bits per byte.
@item Optimum compression would reduce the size of this 1048576 byte file by 0
percent.
@item Chi square distribution for 1048576 samples is 246.63.
@item Arithmetic mean value of data bytes is 127.6347 (127.5 = random).
@item Monte Carlo value for Pi is 3.132465868 (error 0.29 percent).
@end itemize")
(license license:bsd-3)))