diff options
Diffstat (limited to 'crypto/src/util/Longs.cs')
| -rw-r--r-- | crypto/src/util/Longs.cs | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/crypto/src/util/Longs.cs b/crypto/src/util/Longs.cs index 9e34dab99..02ffb7676 100644 --- a/crypto/src/util/Longs.cs +++ b/crypto/src/util/Longs.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 Longs + public static class Longs { public const int NumBits = 64; public const int NumBytes = 8; @@ -95,16 +98,24 @@ namespace Org.BouncyCastle.Utilities public static long ReverseBytes(long i) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + return BinaryPrimitives.ReverseEndianness(i); +#else return (long)ReverseBytes((ulong)i); +#endif } [CLSCompliant(false)] public static ulong ReverseBytes(ulong i) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + return BinaryPrimitives.ReverseEndianness(i); +#else return RotateLeft(i & 0xFF000000FF000000UL, 8) | RotateLeft(i & 0x00FF000000FF0000UL, 24) | RotateLeft(i & 0x0000FF000000FF00UL, 40) | RotateLeft(i & 0x000000FF000000FFUL, 56); +#endif } public static long RotateLeft(long i, int distance) |