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| -rw-r--r-- | gnu/packages/haskell-crypto.scm | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/packages/haskell-crypto.scm b/gnu/packages/haskell-crypto.scm index c501f3685f..b0be30cb6b 100644 --- a/gnu/packages/haskell-crypto.scm +++ b/gnu/packages/haskell-crypto.scm @@ -614,3 +614,49 @@ AES-NI available, or you'll need to use a different implementation.") (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))) |