diff options
Diffstat (limited to 'crypto/src/pqc/crypto/cmce/Utils.cs')
| -rw-r--r-- | crypto/src/pqc/crypto/cmce/Utils.cs | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/crypto/src/pqc/crypto/cmce/Utils.cs b/crypto/src/pqc/crypto/cmce/Utils.cs index 0ebe168b1..019425cb9 100644 --- a/crypto/src/pqc/crypto/cmce/Utils.cs +++ b/crypto/src/pqc/crypto/cmce/Utils.cs @@ -1,8 +1,9 @@ using Org.BouncyCastle.Crypto.Utilities; +using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Pqc.Crypto.Cmce { - internal class Utils + internal static class Utils { internal static void StoreGF(byte[] dest, int offset, ushort a) { @@ -41,11 +42,7 @@ namespace Org.BouncyCastle.Pqc.Crypto.Cmce internal static ushort Bitrev(ushort a, int GFBITS) { - a = (ushort) (((a & 0x00FF) << 8) | ((a & 0xFF00) >> 8)); - a = (ushort) (((a & 0x0F0F) << 4) | ((a & 0xF0F0) >> 4)); - a = (ushort) (((a & 0x3333) << 2) | ((a & 0xCCCC) >> 2)); - a = (ushort) (((a & 0x5555) << 1) | ((a & 0xAAAA) >> 1)); - return (ushort)(a >> (16 - GFBITS)); + return (ushort)(Integers.Reverse((uint)a) >> (32 - GFBITS)); } } } |