public void TestVerifyFailInvalidSignature()
{
Gpg g = new Gpg(GPG_BINARY_PATH);
g.Passphrase = GPG_PASSWORD;
byte[] data = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04 };
MemoryStream tbs = new MemoryStream(data);
MemoryStream sig = new MemoryStream();
g.Sign(tbs, sig);
Assert.IsTrue(sig.Length > 0);
// tweak a few bytes on the sig to invalidate it
sig.Position = sig.Length / 2 - 1;
sig.WriteByte(0xFF);
sig.WriteByte(0xFF);
sig.WriteByte(0xFF);
// set the postion in the signature stream to start reading from at the beginning
sig.Position = 0;
Assert.Throws <GpgException>(() => g.Verify(sig));
}
static void Main(string[] args)
{
string keyId = "416AB815";
string passwd = "abc123!";
byte[] byteArray = Encoding.ASCII.GetBytes("Some text");
MemoryStream input = new MemoryStream(byteArray);
MemoryStream output = new MemoryStream();
Gpg gpg = new Gpg("C:\\Program Files (x86)\\GNU\\GnuPG\\pub\\gpg.exe");
gpg.OutputType = OutputTypes.AsciiArmor;
gpg.Passphrase = passwd;
gpg.LocalUser = keyId;
gpg.OutputSignatureType = OutputSignatureTypes.ClearText;
gpg.Sign(input, output);
output.Position = 0;
StreamReader reader = new StreamReader(output);
string text = reader.ReadToEnd();
MemoryStream outputVer = new MemoryStream();
var verifiedKey = gpg.Verify(output, outputVer);
outputVer.Position = 0;
StreamReader reader2 = new StreamReader(outputVer);
string text2 = reader2.ReadToEnd();
Console.WriteLine("Found key " + verifiedKey);
Console.WriteLine("Output: " + text2);
Console.ReadKey();
}
public void TestVerifyFailInvalidData()
{
Gpg g = new Gpg(GPG_BINARY_PATH);
g.LocalUser = GPG_LOCAL_USER_KEY;
g.Passphrase = GPG_PASSWORD;
byte[] data = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04 };
MemoryStream sig = new MemoryStream(data);
Assert.Throws <GpgException>(() => g.Verify(sig));
}
public void TestSignVerify()
{
Gpg g = new Gpg(GPG_BINARY_PATH);
g.LocalUser = GPG_LOCAL_USER_KEY;
g.Passphrase = GPG_PASSWORD;
byte[] data = new byte[] { 0x00, 0x01, 0x02, 0x03, 0x04 };
MemoryStream tbs = new MemoryStream(data);
MemoryStream sig = new MemoryStream();
g.Sign(tbs, sig);
Assert.IsTrue(sig.Length > 0);
// set the postion in the signature stream to start reading from at the beginning
sig.Position = 0;
g.Verify(sig);
}