/// <summary>
/// Hash a file using CRC32
/// </summary>
/// <param name="sourceFile">The file to hash complete path</param>
/// <returns>The hash</returns>
public string HashFile(string sourceFile)
{
if (sourceFile.IsNullOrWhiteSpace() || !File.Exists(sourceFile))
throw new FileNotFoundException("Cannot find the specified source file", sourceFile ?? "null");
byte[] fileBytes = File.ReadAllBytes(sourceFile);
using (var crc32 = new CRC32Impl())
{
return crc32.ComputeChecksumAsString(fileBytes);
}
}
/// <summary>
/// Hash a string using CRC32
/// </summary>
/// <param name="sourceString">The string to hash</param>
/// <returns>The hash</returns>
public string HashString(string sourceString)
{
if (sourceString != null)
{
using (var crc32 = new CRC32Impl())
{
return crc32.ComputeChecksumAsString(sourceString.ToByteArray());
}
}
else
return String.Empty;
}