Le Duc Anh
37 lines
1.0 KiB
C#
37 lines
1.0 KiB
C#
using System;
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namespace CSNetwork
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{
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public static class Helper
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{
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public static byte[] HexStringToByteArray(string hex)
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{
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if (hex.Length % 2 == 1)
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throw new ArgumentException("Hex string must have an even number of digits.");
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int numberChars = hex.Length;
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byte[] bytes = new byte[numberChars / 2];
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for (int i = 0; i < numberChars; i += 2)
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{
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try
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{
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bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16);
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}
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catch (FormatException ex)
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{
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throw new ArgumentException(
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$"Invalid hex character found at position {i}: '{hex.Substring(i, 2)}'",
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ex
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);
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}
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}
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return bytes;
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}
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public static string ByteToHexString(byte[] bytes)
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{
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return BitConverter.ToString(bytes).Replace("-", "");
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}
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}
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}
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