private static byte[] GetDValue(Stream inputStream, byte[] rawPassPhrase, bool clearPassPhrase, string curveName)
{
//IL_008a: Unknown result type (might be due to invalid IL or missing references)
//IL_0091: Expected O, but got Unknown
SXprUtilities.SkipOpenParenthesis(inputStream);
string text = SXprUtilities.ReadString(inputStream, inputStream.ReadByte());
if (text.Equals("protected"))
{
SXprUtilities.ReadString(inputStream, inputStream.ReadByte());
SXprUtilities.SkipOpenParenthesis(inputStream);
S2k s2k = SXprUtilities.ParseS2k(inputStream);
byte[] iv = SXprUtilities.ReadBytes(inputStream, inputStream.ReadByte());
SXprUtilities.SkipCloseParenthesis(inputStream);
byte[] array = SXprUtilities.ReadBytes(inputStream, inputStream.ReadByte());
KeyParameter key = PgpUtilities.DoMakeKeyFromPassPhrase(SymmetricKeyAlgorithmTag.Aes128, s2k, rawPassPhrase, clearPassPhrase);
byte[] array2 = RecoverKeyData(SymmetricKeyAlgorithmTag.Aes128, "/CBC/NoPadding", key, iv, array, 0, array.Length);
Stream val = (Stream) new MemoryStream(array2, false);
SXprUtilities.SkipOpenParenthesis(val);
SXprUtilities.SkipOpenParenthesis(val);
SXprUtilities.SkipOpenParenthesis(val);
SXprUtilities.ReadString(val, val.ReadByte());
return(SXprUtilities.ReadBytes(val, val.ReadByte()));
}
throw new PgpException("protected block not found");
}
private static byte[] GetDValue(Stream inputStream, char[] passPhrase, string curveName)
{
string type;
SXprUtilities.SkipOpenParenthesis(inputStream);
string protection;
S2k s2k;
byte[] iv;
byte[] secKeyData;
type = SXprUtilities.ReadString(inputStream, inputStream.ReadByte());
if (type.Equals("protected"))
{
protection = SXprUtilities.ReadString(inputStream, inputStream.ReadByte());
SXprUtilities.SkipOpenParenthesis(inputStream);
s2k = SXprUtilities.ParseS2k(inputStream);
iv = SXprUtilities.ReadBytes(inputStream, inputStream.ReadByte());
SXprUtilities.SkipCloseParenthesis(inputStream);
secKeyData = SXprUtilities.ReadBytes(inputStream, inputStream.ReadByte());
}
else
{
throw new PgpException("protected block not found");
}
// TODO: recognise other algorithms
KeyParameter key = PgpUtilities.MakeKeyFromPassPhrase(SymmetricKeyAlgorithmTag.Aes128, s2k, passPhrase);
byte[] data = RecoverKeyData(SymmetricKeyAlgorithmTag.Aes128, "/CBC/NoPadding", key, iv, secKeyData, 0, secKeyData.Length);
//
// parse the secret key S-expr
//
Stream keyIn = new MemoryStream(data, false);
SXprUtilities.SkipOpenParenthesis(keyIn);
SXprUtilities.SkipOpenParenthesis(keyIn);
SXprUtilities.SkipOpenParenthesis(keyIn);
String name = SXprUtilities.ReadString(keyIn, keyIn.ReadByte());
return(SXprUtilities.ReadBytes(keyIn, keyIn.ReadByte()));
}
