diff options
Diffstat (limited to 'crypto/src/util/Integers.cs')
| -rw-r--r-- | crypto/src/util/Integers.cs | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/crypto/src/util/Integers.cs b/crypto/src/util/Integers.cs index 75ba566e3..ab1868b74 100644 --- a/crypto/src/util/Integers.cs +++ b/crypto/src/util/Integers.cs @@ -1,4 +1,7 @@ using System; +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER +using System.Buffers.Binary; +#endif #if NETCOREAPP3_0_OR_GREATER using System.Numerics; using System.Runtime.Intrinsics.X86; @@ -8,7 +11,7 @@ using Org.BouncyCastle.Math.Raw; namespace Org.BouncyCastle.Utilities { - public abstract class Integers + public static class Integers { public const int NumBits = 32; public const int NumBytes = 4; @@ -96,14 +99,22 @@ namespace Org.BouncyCastle.Utilities public static int ReverseBytes(int i) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + return BinaryPrimitives.ReverseEndianness(i); +#else return (int)ReverseBytes((uint)i); +#endif } [CLSCompliant(false)] public static uint ReverseBytes(uint i) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + return BinaryPrimitives.ReverseEndianness(i); +#else return RotateLeft(i & 0xFF00FF00U, 8) | RotateLeft(i & 0x00FF00FFU, 24); +#endif } public static int RotateLeft(int i, int distance) |