1 files changed, 18 insertions, 4 deletions
diff --git a/crypto/src/math/raw/Nat256.cs b/crypto/src/math/raw/Nat256.cs
index 1bedeb51c..edf793d3d 100644
--- a/crypto/src/math/raw/Nat256.cs
+++ b/crypto/src/math/raw/Nat256.cs
@@ -305,6 +305,16 @@ namespace Org.BouncyCastle.Math.Raw
z[zOff + 3] = x[xOff + 3];
}
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+ public static void Copy64(ReadOnlySpan<ulong> x, Span<ulong> z)
+ {
+ z[0] = x[0];
+ z[1] = x[1];
+ z[2] = x[2];
+ z[3] = x[3];
+ }
+#endif
+
public static uint[] Create()
{
return new uint[8];
@@ -449,26 +459,30 @@ namespace Org.BouncyCastle.Math.Raw
return true;
}
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+ public static bool IsZero(ReadOnlySpan<uint> x)
+#else
public static bool IsZero(uint[] x)
+#endif
{
for (int i = 0; i < 8; ++i)
{
if (x[i] != 0)
- {
return false;
- }
}
return true;
}
+#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER
+ public static bool IsZero64(ReadOnlySpan<ulong> x)
+#else
public static bool IsZero64(ulong[] x)
+#endif
{
for (int i = 0; i < 4; ++i)
{
if (x[i] != 0UL)
- {
return false;
- }
}
return true;
}
|
