diff options
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecT239Field.cs')
-rw-r--r-- | crypto/src/math/ec/custom/sec/SecT239Field.cs | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecT239Field.cs b/crypto/src/math/ec/custom/sec/SecT239Field.cs index ce2e3ba84..de87b18a2 100644 --- a/crypto/src/math/ec/custom/sec/SecT239Field.cs +++ b/crypto/src/math/ec/custom/sec/SecT239Field.cs @@ -159,14 +159,8 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec public static void Sqrt(ulong[] x, ulong[] z) { - ulong u0, u1; - u0 = Interleave.Unshuffle(x[0]); u1 = Interleave.Unshuffle(x[1]); - ulong e0 = (u0 & 0x00000000FFFFFFFFUL) | (u1 << 32); - ulong c0 = (u0 >> 32) | (u1 & 0xFFFFFFFF00000000UL); - - u0 = Interleave.Unshuffle(x[2]); u1 = Interleave.Unshuffle(x[3]); - ulong e1 = (u0 & 0x00000000FFFFFFFFUL) | (u1 << 32); - ulong c1 = (u0 >> 32) | (u1 & 0xFFFFFFFF00000000UL); + ulong c0 = Interleave.Unshuffle(x[0], x[1], out ulong e0); + ulong c1 = Interleave.Unshuffle(x[2], x[3], out ulong e1); ulong c2, c3; c3 = (c1 >> 49); |