/var/lib/ghc/package.conf.d/tf-random-0.5.conf is in libghc-tf-random-dev 0.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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version: 0.5
id: tf-random-0.5-ef399db17bab0abd394c97472b0092a1
license: BSD3
copyright:
maintainer: Michal Palka <michal.palka@chalmers.se>
stability:
homepage:
package-url:
synopsis: High-quality splittable pseudorandom number generator
description: This package contains an implementation of a high-quality splittable pseudorandom number generator. The generator is based on a cryptographic hash function built on top of the ThreeFish block cipher. See the paper /Splittable Pseudorandom Number Generators Using Cryptographic Hashing/ by Claessen, Palka for details and the rationale of the design.
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The package provides the following:
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* A splittable PRNG that implements the standard 'System.Random.RandomGen' class.
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* The generator also implements an alternative version of the 'System.Random.TF.Gen.RandomGen' class (exported from "System.Random.TF.Gen"), which requires the generator to return pseudorandom integers from the full 32-bit range, and contains an n-way split function.
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* An alternative version of the @Random@ class is provided, which is linked to the new @RandomGen@ class, together with @Random@ instances for some integral types.
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* Two functions for initialising the generator with a non-deterministic seed: one using the system time, and one using the @\/dev\/urandom@ UNIX special file.
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The package uses an adapted version of the reference C implementation of ThreeFish from the reference package of the Skein hash function (<https://www.schneier.com/skein.html>), originally written by Doug Whiting.
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Please note that even though the generator provides very high-quality pseudorandom numbers, it has not been designed with cryptographic applications in mind.
category: Random
author: Michal Palka <michal.palka@chalmers.se>
exposed: True
exposed-modules: System.Random.TF System.Random.TF.Gen
System.Random.TF.Init System.Random.TF.Instances
hidden-modules:
trusted: False
import-dirs: /usr/lib/haskell-packages/ghc/lib/tf-random-0.5/ghc-7.6.3
library-dirs: /usr/lib/haskell-packages/ghc/lib/tf-random-0.5/ghc-7.6.3
hs-libraries: HStf-random-0.5
extra-libraries:
extra-ghci-libraries:
include-dirs:
includes:
depends: base-4.6.0.1-8aa5d403c45ea59dcd2c39f123e27d57
primitive-0.5.0.1-8e5f40b409f7bb31ae1acfb125279700
random-1.0.1.1-43fdc5da991685d8a0ec8cb553880cf8
time-1.4.0.1-10dc4804a19dc0000fab79908f1a9f50
hugs-options:
cc-options:
ld-options:
framework-dirs:
frameworks:
haddock-interfaces: /usr/lib/ghc-doc/haddock/tf-random-0.5/tf-random.haddock
haddock-html: /usr/share/doc/libghc-tf-random-doc/html/
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