public bool VerifySignature()
{
if (MerchantCertificate == null || PKIType == Payment.PKIType.None)
{
return(false);
}
var data = GetSignedData();
byte[] hash = null;
string hashName = null;
if (PKIType == Payment.PKIType.X509SHA256)
{
hash = Hashes.SHA256(data);
hashName = "sha256";
}
else if (PKIType == Payment.PKIType.X509SHA1)
{
hash = Hashes.SHA1(data, 0, data.Length);
hashName = "sha1";
}
else
{
throw new NotSupportedException(PKIType.ToString());
}
return(GetCertificateProvider().GetSignatureChecker().VerifySignature(MerchantCertificate, hash, hashName, Signature));
}
private string ToPKITypeString(PKIType pkitype)
{
switch (pkitype)
{
case Payment.PKIType.None:
return("none");
case Payment.PKIType.X509SHA1:
return("x509+sha1");
case Payment.PKIType.X509SHA256:
return("x509+sha256");
default:
throw new NotSupportedException(pkitype.ToString());
}
}
public bool VerifySignature()
{
if (MerchantCertificate == null || PKIType == Payment.PKIType.None)
{
return(false);
}
var key = (RSACryptoServiceProvider)MerchantCertificate.PublicKey.Key;
var sig = Signature;
Signature = new byte[0];
byte[] data = null;
try
{
data = this.ToBytes();
}
finally
{
Signature = sig;
}
byte[] hash = null;
string hashName = null;
if (PKIType == Payment.PKIType.X509SHA256)
{
hash = Hashes.SHA256(data);
hashName = "sha256";
}
else if (PKIType == Payment.PKIType.X509SHA1)
{
hash = Hashes.SHA1(data, data.Length);
hashName = "sha1";
}
else
{
throw new NotSupportedException(PKIType.ToString());
}
return(key.VerifyHash(hash, hashName, Signature));
}