diff options
Diffstat (limited to 'crypto/src/math/ec')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecT571Field.cs | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecT571Field.cs b/crypto/src/math/ec/custom/sec/SecT571Field.cs index 4d3f715fa..97bc08d67 100644 --- a/crypto/src/math/ec/custom/sec/SecT571Field.cs +++ b/crypto/src/math/ec/custom/sec/SecT571Field.cs @@ -1,5 +1,9 @@ using System; using System.Diagnostics; +#if NET5_0_OR_GREATER +using System.Runtime.Intrinsics; +using System.Runtime.Intrinsics.X86; +#endif using Org.BouncyCastle.Math.Raw; @@ -399,6 +403,18 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec protected static void ImplMulwAcc(ulong[] u, ulong x, ulong y, ulong[] z, int zOff) { +#if NET5_0_OR_GREATER + if (Pclmulqdq.IsSupported) + { + var X = Vector128.CreateScalar(x); + var Y = Vector128.CreateScalar(y); + var Z = Pclmulqdq.CarrylessMultiply(X, Y, 0x00); + z[zOff ] ^= Z.GetElement(0); + z[zOff + 1] ^= Z.GetElement(1); + return; + } +#endif + //u[0] = 0; u[1] = y; for (int i = 2; i < 16; i += 2) |