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[number] properly handle gmp

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This commit is contained in:
Vincent Hanquez 2015-05-11 11:39:09 +01:00
parent f84d60e69f
commit d035e3a3bc
2 changed files with 14 additions and 6 deletions
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12
Crypto/Number/Compat.hs
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@ -28,7 +28,7 @@ module Crypto.Number.Compat
#define MIN_VERSION_integer_gmp(a,b,c) 0
#endif
#if __GLASGOW_HASKELL__ >= 710 || MIN_VERSION_integer_gmp(0,5,1)
#if MIN_VERSION_integer_gmp(0,5,1)
import GHC.Integer.GMP.Internals
import GHC.Base
import GHC.Integer.Logarithms (integerLog2#)
@ -55,7 +55,7 @@ gmpGcde _ _ = GmpUnsupported
#endif
gmpLog2 :: Integer -> GmpSupported Int
#ifdef VERSION_integer_gmp
#if MIN_VERSION_integer_gmp(0,5,1)
gmpLog2 0 = GmpSupported 0
gmpLog2 x = GmpSupported (I# (integerLog2# x))
#else
@ -113,7 +113,7 @@ gmpSizeInBytes _ = GmpUnsupported
#endif
gmpExportInteger :: Integer -> Ptr Word8 -> GmpSupported (IO ())
#if __GLASGOW_HASKELL__ >= 710
#if MIN_VERSION_integer_gmp(1,0,0)
gmpExportInteger n (Ptr addr) = GmpSupported $ do
_ <- exportIntegerToAddr n addr 1#
return ()
@ -126,11 +126,11 @@ gmpExportInteger _ _ = GmpUnsupported
#endif
gmpImportInteger :: Int -> Ptr Word8 -> GmpSupported (IO Integer)
#if __GLASGOW_HASKELL__ >= 710
gmpImportInteger n (Ptr addr) = GmpSupported $
#if MIN_VERSION_integer_gmp(1,0,0)
gmpImportInteger (I# n) (Ptr addr) = GmpSupported $
importIntegerFromAddr addr (int2Word# n) 1#
#elif MIN_VERSION_integer_gmp(0,5,1)
gmpImportInteger n (Ptr addr) = GmpSupported $ IO $ \s ->
gmpImportInteger (I# n) (Ptr addr) = GmpSupported $ IO $ \s ->
importIntegerFromAddr addr (int2Word# n) 1# s
#else
gmpImportInteger _ _ = GmpUnsupported

8
cryptonite.cabal
View File

@ -40,6 +40,11 @@ Flag builtin_memory
Default: True
Manual: True
Flag integer-gmp
Description: Whether or not to use GMP for some functions
Default: True
Manual: True
Library
Exposed-modules: Crypto.Cipher.AES
Crypto.Cipher.Blowfish
@ -208,6 +213,9 @@ Library
else
build-depends: memory
if impl(ghc) && flag(integer-gmp)
Build-depends: integer-gmp
Test-Suite test-cryptonite
type: exitcode-stdio-1.0
hs-source-dirs: tests