private static byte[] GetCommentBytes(FileStream signatureFile)
{
int offset = Constants.SignatureMagicBytes.Length + Constants.SignatureVersion.Length + _preHashedHeaderLength + Constants.SignatureLength;
int length = (int)(signatureFile.Length - offset - Constants.SignatureLength);
return(FileHandling.ReadFileHeader(signatureFile, length));
}
private static byte[] GetGlobalSignature(FileStream signatureFile)
{
return(FileHandling.ReadFileHeader(signatureFile, Constants.SignatureLength));
}
private static byte[] GetPreHashedHeader(FileStream signatureFile)
{
return(FileHandling.ReadFileHeader(signatureFile, _preHashedHeaderLength));
}
private static byte[] GetMagicBytes(FileStream signatureFile)
{
return(FileHandling.ReadFileHeader(signatureFile, Constants.SignatureMagicBytes.Length));
}
private static byte[] GetFormatVersion(FileStream signatureFile)
{
return(FileHandling.ReadFileHeader(signatureFile, Constants.SignatureVersion.Length));
}
public static byte[] ReadFileFormatVersion(FileStream inputFile)
{
int offset = Constants.KryptorMagicBytes.Length;
return(FileHandling.ReadFileHeader(inputFile, offset, Constants.EncryptionVersion.Length));
}
public static byte[] ReadEncryptedHeader(FileStream inputFile)
{
int offset = Constants.KryptorMagicBytes.Length + Constants.EncryptionVersion.Length + Constants.EphemeralPublicKeyLength + Constants.SaltLength + Constants.XChaChaNonceLength;
return(FileHandling.ReadFileHeader(inputFile, offset, Constants.EncryptedHeaderLength));
}
public static byte[] ReadMagicBytes(FileStream inputFile)
{
return(FileHandling.ReadFileHeader(inputFile, offset: 0, Constants.KryptorMagicBytes.Length));
}
public static byte[] ReadMagicBytes(string inputFilePath)
{
return(FileHandling.ReadFileHeader(inputFilePath, offset: 0, Constants.KryptorMagicBytes.Length));
}
public static byte[] ReadSalt(string inputFilePath)
{
int offset = Constants.KryptorMagicBytes.Length + Constants.EncryptionVersion.Length + Constants.EphemeralPublicKeyLength;
return(FileHandling.ReadFileHeader(inputFilePath, offset, Constants.SaltLength));
}
private static byte[] GetFileSignature(FileStream signatureFile)
{
int offset = Constants.SignatureMagicBytes.Length + Constants.SignatureVersion.Length + _preHashedHeaderLength;
return(FileHandling.ReadFileHeader(signatureFile, offset, Constants.SignatureLength));
}
private static byte[] GetGlobalSignature(FileStream signatureFile)
{
long offset = signatureFile.Length - Constants.SignatureLength;
return(FileHandling.ReadFileHeader(signatureFile, offset, Constants.SignatureLength));
}
