public static void Main(String[] args)
{
RSAPubKeyData orsakey = new RSAPubKeyData();
if (args.Length < 3)
{
Console.WriteLine("\nUsage: RSAPubKeyData.exe public_key data_fn signature_fn");
return;
}
String publickeyfn = args[0];
String datafn = args[1];
String signaturefn = args[2];
if (!File.Exists(publickeyfn))
{
Console.WriteLine("File '{0}' not found.", publickeyfn);
return;
}
if (!File.Exists(datafn))
{
Console.WriteLine("File '{0}' not found.", datafn);
return;
}
if (!File.Exists(signaturefn))
{
Console.WriteLine("File '{0}' not found.", signaturefn);
return;
}
Console.WriteLine("\n\n-------- Trying to decode keyfile as X.509 SubjectPublicKeyInfo format --------");
if (!orsakey.DecodeSubjectPublicKeyInfo(publickeyfn))
{
Console.WriteLine("FAILED to decode as X.509 SubjectPublicKeyInfo");
return;
}
Console.WriteLine("Decoded successfully as X.509 SubjectPublicKeyInfo");
RSAParameters RSAKeyInfo = new RSAParameters();
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAKeyInfo.Modulus = orsakey.keymodulus;
RSAKeyInfo.Exponent = orsakey.keyexponent;
RSA.ImportParameters(RSAKeyInfo);
byte[] data = GetFileBytes(datafn);
byte[] signature = GetFileBytes(signaturefn);
if (RSA.VerifyData(data, "SHA1", signature))
{
Console.WriteLine("The signature is valid.");
}
else
{
Console.WriteLine("The signature is not valid.");
}
}
public static void Main(String[] args)
{
RSAPubKeyData orsakey = new RSAPubKeyData();
if(args.Length<3)
{
Console.WriteLine("\nUsage: RSAPubKeyData.exe public_key data_fn signature_fn");
return;
}
String publickeyfn = args[0];
String datafn = args[1];
String signaturefn = args[2];
if (!File.Exists(publickeyfn))
{
Console.WriteLine("File '{0}' not found.", publickeyfn);
return;
}
if (!File.Exists(datafn))
{
Console.WriteLine("File '{0}' not found.", datafn);
return;
}
if (!File.Exists(signaturefn))
{
Console.WriteLine("File '{0}' not found.", signaturefn);
return;
}
Console.WriteLine("\n\n-------- Trying to decode keyfile as X.509 SubjectPublicKeyInfo format --------");
if(!orsakey.DecodeSubjectPublicKeyInfo(publickeyfn))
{
Console.WriteLine("FAILED to decode as X.509 SubjectPublicKeyInfo");
return;
}
Console.WriteLine("Decoded successfully as X.509 SubjectPublicKeyInfo");
RSAParameters RSAKeyInfo = new RSAParameters();
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAKeyInfo.Modulus = orsakey.keymodulus;
RSAKeyInfo.Exponent = orsakey.keyexponent;
RSA.ImportParameters(RSAKeyInfo);
byte[] data = GetFileBytes(datafn);
byte[] signature = GetFileBytes(signaturefn);
if(RSA.VerifyData(data,"SHA1",signature))
{
Console.WriteLine("The signature is valid.");
}
else
{
Console.WriteLine("The signature is not valid.");
}
}
