Use unsafe FFI calls

Changed Edwards primitives to unsafe when overhead of FFI call is
approximately 5% or more of total execution time.
This commit is contained in:
Olivier Chéron 2020-02-05 21:15:58 +01:00
parent 6f70986cb1
commit bd84c75f3e

View File

@ -283,45 +283,45 @@ pointsMulVarTime (Scalar s1) (Scalar s2) (Point p) =
withByteArray p $ \pp ->
ed25519_base_double_scalarmul_vartime out ps1 pp ps2
foreign import ccall "cryptonite_ed25519_scalar_eq"
foreign import ccall unsafe "cryptonite_ed25519_scalar_eq"
ed25519_scalar_eq :: Ptr Scalar
-> Ptr Scalar
-> IO CInt
foreign import ccall "cryptonite_ed25519_scalar_encode"
foreign import ccall unsafe "cryptonite_ed25519_scalar_encode"
ed25519_scalar_encode :: Ptr Word8
-> Ptr Scalar
-> IO ()
foreign import ccall "cryptonite_ed25519_scalar_decode_long"
foreign import ccall unsafe "cryptonite_ed25519_scalar_decode_long"
ed25519_scalar_decode_long :: Ptr Scalar
-> Ptr Word8
-> CSize
-> IO ()
foreign import ccall "cryptonite_ed25519_scalar_add"
foreign import ccall unsafe "cryptonite_ed25519_scalar_add"
ed25519_scalar_add :: Ptr Scalar -- sum
-> Ptr Scalar -- a
-> Ptr Scalar -- b
-> IO ()
foreign import ccall "cryptonite_ed25519_scalar_mul"
foreign import ccall unsafe "cryptonite_ed25519_scalar_mul"
ed25519_scalar_mul :: Ptr Scalar -- out
-> Ptr Scalar -- a
-> Ptr Scalar -- b
-> IO ()
foreign import ccall "cryptonite_ed25519_point_encode"
foreign import ccall unsafe "cryptonite_ed25519_point_encode"
ed25519_point_encode :: Ptr Word8
-> Ptr Point
-> IO ()
foreign import ccall "cryptonite_ed25519_point_decode_vartime"
foreign import ccall unsafe "cryptonite_ed25519_point_decode_vartime"
ed25519_point_decode_vartime :: Ptr Point
-> Ptr Word8
-> IO CInt
foreign import ccall "cryptonite_ed25519_point_eq"
foreign import ccall unsafe "cryptonite_ed25519_point_eq"
ed25519_point_eq :: Ptr Point
-> Ptr Point
-> IO CInt
@ -330,23 +330,23 @@ foreign import ccall "cryptonite_ed25519_point_has_prime_order"
ed25519_point_has_prime_order :: Ptr Point
-> IO CInt
foreign import ccall "cryptonite_ed25519_point_negate"
foreign import ccall unsafe "cryptonite_ed25519_point_negate"
ed25519_point_negate :: Ptr Point -- minus_a
-> Ptr Point -- a
-> IO ()
foreign import ccall "cryptonite_ed25519_point_add"
foreign import ccall unsafe "cryptonite_ed25519_point_add"
ed25519_point_add :: Ptr Point -- sum
-> Ptr Point -- a
-> Ptr Point -- b
-> IO ()
foreign import ccall "cryptonite_ed25519_point_double"
foreign import ccall unsafe "cryptonite_ed25519_point_double"
ed25519_point_double :: Ptr Point -- two_a
-> Ptr Point -- a
-> IO ()
foreign import ccall "cryptonite_ed25519_point_mul_by_cofactor"
foreign import ccall unsafe "cryptonite_ed25519_point_mul_by_cofactor"
ed25519_point_mul_by_cofactor :: Ptr Point -- eight_a
-> Ptr Point -- a
-> IO ()