diff options
| -rw-r--r-- | crypto/src/util/io/BinaryReaders.cs | 94 | ||||
| -rw-r--r-- | crypto/src/util/io/BinaryWriters.cs | 86 |
2 files changed, 180 insertions, 0 deletions
diff --git a/crypto/src/util/io/BinaryReaders.cs b/crypto/src/util/io/BinaryReaders.cs new file mode 100644 index 000000000..c5f99a712 --- /dev/null +++ b/crypto/src/util/io/BinaryReaders.cs @@ -0,0 +1,94 @@ +using System; +using System.IO; + +namespace Org.BouncyCastle.Utilities.IO +{ + public static class BinaryReaders + { + public static byte[] ReadBytesFully(BinaryReader binaryReader, int count) + { + byte[] bytes = binaryReader.ReadBytes(count); + if (bytes == null || bytes.Length != count) + throw new EndOfStreamException(); + return bytes; + } + + public static short ReadInt16BigEndian(BinaryReader binaryReader) + { + short n = binaryReader.ReadInt16(); + return BitConverter.IsLittleEndian ? Shorts.ReverseBytes(n) : n; + } + + public static short ReadInt16LittleEndian(BinaryReader binaryReader) + { + short n = binaryReader.ReadInt16(); + return BitConverter.IsLittleEndian ? n : Shorts.ReverseBytes(n); + } + + public static int ReadInt32BigEndian(BinaryReader binaryReader) + { + int n = binaryReader.ReadInt32(); + return BitConverter.IsLittleEndian ? Integers.ReverseBytes(n) : n; + } + + public static int ReadInt32LittleEndian(BinaryReader binaryReader) + { + int n = binaryReader.ReadInt32(); + return BitConverter.IsLittleEndian ? n : Integers.ReverseBytes(n); + } + + public static long ReadInt64BigEndian(BinaryReader binaryReader) + { + long n = binaryReader.ReadInt64(); + return BitConverter.IsLittleEndian ? Longs.ReverseBytes(n) : n; + } + + public static long ReadInt64LittleEndian(BinaryReader binaryReader) + { + long n = binaryReader.ReadInt64(); + return BitConverter.IsLittleEndian ? n : Longs.ReverseBytes(n); + } + + [CLSCompliant(false)] + public static ushort ReadUInt16BigEndian(BinaryReader binaryReader) + { + ushort n = binaryReader.ReadUInt16(); + return BitConverter.IsLittleEndian ? Shorts.ReverseBytes(n) : n; + } + + [CLSCompliant(false)] + public static ushort ReadUInt16LittleEndian(BinaryReader binaryReader) + { + ushort n = binaryReader.ReadUInt16(); + return BitConverter.IsLittleEndian ? n : Shorts.ReverseBytes(n); + } + + [CLSCompliant(false)] + public static uint ReadUInt32BigEndian(BinaryReader binaryReader) + { + uint n = binaryReader.ReadUInt32(); + return BitConverter.IsLittleEndian ? Integers.ReverseBytes(n) : n; + } + + [CLSCompliant(false)] + public static uint ReadUInt32LittleEndian(BinaryReader binaryReader) + { + uint n = binaryReader.ReadUInt32(); + return BitConverter.IsLittleEndian ? n : Integers.ReverseBytes(n); + } + + [CLSCompliant(false)] + public static ulong ReadUInt64BigEndian(BinaryReader binaryReader) + { + ulong n = binaryReader.ReadUInt64(); + return BitConverter.IsLittleEndian ? Longs.ReverseBytes(n) : n; + } + + [CLSCompliant(false)] + public static ulong ReadUInt64LittleEndian(BinaryReader binaryReader) + { + ulong n = binaryReader.ReadUInt64(); + return BitConverter.IsLittleEndian ? n : Longs.ReverseBytes(n); + } + } +} diff --git a/crypto/src/util/io/BinaryWriters.cs b/crypto/src/util/io/BinaryWriters.cs new file mode 100644 index 000000000..6650dcda5 --- /dev/null +++ b/crypto/src/util/io/BinaryWriters.cs @@ -0,0 +1,86 @@ +using System; +using System.IO; + +namespace Org.BouncyCastle.Utilities.IO +{ + public static class BinaryWriters + { + public static void WriteInt16BigEndian(BinaryWriter binaryWriter, short n) + { + short bigEndian = BitConverter.IsLittleEndian ? Shorts.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + public static void WriteInt16LittleEndian(BinaryWriter binaryWriter, short n) + { + short littleEndian = BitConverter.IsLittleEndian ? n : Shorts.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + + public static void WriteInt32BigEndian(BinaryWriter binaryWriter, int n) + { + int bigEndian = BitConverter.IsLittleEndian ? Integers.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + public static void WriteInt32LittleEndian(BinaryWriter binaryWriter, int n) + { + int littleEndian = BitConverter.IsLittleEndian ? n : Integers.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + + public static void WriteInt64BigEndian(BinaryWriter binaryWriter, long n) + { + long bigEndian = BitConverter.IsLittleEndian ? Longs.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + public static void WriteInt64LittleEndian(BinaryWriter binaryWriter, long n) + { + long littleEndian = BitConverter.IsLittleEndian ? n : Longs.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt16BigEndian(BinaryWriter binaryWriter, ushort n) + { + ushort bigEndian = BitConverter.IsLittleEndian ? Shorts.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt16LittleEndian(BinaryWriter binaryWriter, ushort n) + { + ushort littleEndian = BitConverter.IsLittleEndian ? n : Shorts.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt32BigEndian(BinaryWriter binaryWriter, uint n) + { + uint bigEndian = BitConverter.IsLittleEndian ? Integers.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt32LittleEndian(BinaryWriter binaryWriter, uint n) + { + uint littleEndian = BitConverter.IsLittleEndian ? n : Integers.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt64BigEndian(BinaryWriter binaryWriter, ulong n) + { + ulong bigEndian = BitConverter.IsLittleEndian ? Longs.ReverseBytes(n) : n; + binaryWriter.Write(bigEndian); + } + + [CLSCompliant(false)] + public static void WriteUInt64LittleEndian(BinaryWriter binaryWriter, ulong n) + { + ulong littleEndian = BitConverter.IsLittleEndian ? n : Longs.ReverseBytes(n); + binaryWriter.Write(littleEndian); + } + } +} |