diff options
Diffstat (limited to 'crypto/src/pqc/crypto/lms/Composer.cs')
| -rw-r--r-- | crypto/src/pqc/crypto/lms/Composer.cs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crypto/src/pqc/crypto/lms/Composer.cs b/crypto/src/pqc/crypto/lms/Composer.cs index 6ad044e34..bc54f87ea 100644 --- a/crypto/src/pqc/crypto/lms/Composer.cs +++ b/crypto/src/pqc/crypto/lms/Composer.cs @@ -1,5 +1,7 @@ +using System; using System.IO; +using Org.BouncyCastle.Crypto.Utilities; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Pqc.Crypto.Lms @@ -23,25 +25,43 @@ namespace Org.BouncyCastle.Pqc.Crypto.Lms public Composer U64Str(long n) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + Span<byte> buf = stackalloc byte[8]; + Pack.UInt64_To_BE((ulong)n, buf); + bos.Write(buf); +#else U32Str((int)(n >> 32)); U32Str((int)n); +#endif return this; } public Composer U32Str(int n) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + Span<byte> buf = stackalloc byte[4]; + Pack.UInt32_To_BE((uint)n, buf); + bos.Write(buf); +#else bos.WriteByte((byte)(n >> 24)); bos.WriteByte((byte)(n >> 16)); bos.WriteByte((byte)(n >> 8)); bos.WriteByte((byte)n); +#endif return this; } public Composer U16Str(int n) { +#if NETCOREAPP2_1_OR_GREATER || NETSTANDARD2_1_OR_GREATER + Span<byte> buf = stackalloc byte[2]; + Pack.UInt16_To_BE((ushort)n, buf); + bos.Write(buf); +#else n &= 0xFFFF; bos.WriteByte((byte)(n >> 8)); bos.WriteByte((byte)n); +#endif return this; } |