public bool VerifySignature(T token)
{
byte[] pubkey = Nethereum.Hex.HexConvertors.Extensions.HexByteConvertorExtensions.HexToByteArray(token.PublicKey);
PubKey pubk = new PubKey(pubkey);
return(pubk.VerifyMessage(token.GetUnsignedEncodedToken(), token.Signature));
}
private bool VerifySignature()
{
if (Signature == null)
{
return(false);
}
var pubKey = new PubKey(PublicKey);
return(pubKey.VerifyMessage(SignedData, Signature));
}
public void CanVerifyTrezorSignature()
{
string visual_challenge = "2015-03-23 17:39:22";
byte[] random_challenge = Encoders.Hex.DecodeData("cd8552569d6e4509266ef137584d1e62c7579b5b8ed69bbafa4b864c6521e7c2");
byte[] signature = Encoders.Hex.DecodeData("20f2d1a42d08c3a362be49275c3ffeeaa415fc040971985548b9f910812237bb41770bf2c8d488428799fbb7e52c11f1a3404011375e4080e077e0e42ab7a5ba02");
var hiddenChallenge_Sha = Hashes.SHA256(random_challenge);
var visualChallenge_Sha = Hashes.SHA256(Encoding.ASCII.GetBytes(visual_challenge));
PubKey pubKey = new PubKey("023a472219ad3327b07c18273717bb3a40b39b743756bf287fbd5fa9d263237f45");
bool verified = pubKey.VerifyMessage(hiddenChallenge_Sha.Concat(visualChallenge_Sha).ToArray(), Encoders.Base64.EncodeData(signature));
Assert.True(verified);
}
public bool Verify(PubKey pubKey, byte[] contractCode, byte[] signature)
{
try
{
var ecdsaSig = new ECDSASignature(signature);
return(pubKey.VerifyMessage(contractCode, ecdsaSig));
}
catch (Exception)
{
// new ECDSASignature can throw a format exception
// PubKey.VerifyMessage can throw unknown exceptions
return(false);
}
}
public void CanVerifyTrezorSignature()
{
string visual_challenge = "2015-03-23 17:39:22";
byte[] random_challenge = Encoders.Hex.DecodeData("cd8552569d6e4509266ef137584d1e62c7579b5b8ed69bbafa4b864c6521e7c2");
byte[] signature = Encoders.Hex.DecodeData("20f2d1a42d08c3a362be49275c3ffeeaa415fc040971985548b9f910812237bb41770bf2c8d488428799fbb7e52c11f1a3404011375e4080e077e0e42ab7a5ba02");
var hiddenChallenge_Sha = Hashes.SHA256(random_challenge);
var visualChallenge_Sha = Hashes.SHA256(Encoding.ASCII.GetBytes(visual_challenge));
PubKey pubKey = new PubKey("023a472219ad3327b07c18273717bb3a40b39b743756bf287fbd5fa9d263237f45");
bool verified = pubKey.VerifyMessage(hiddenChallenge_Sha.Concat(visualChallenge_Sha).ToArray(), Encoders.Base64.EncodeData(signature));
Assert.True(verified);
}
public static bool VerifySignatureECDSA(byte[] message, PubKey key, string signature)
{
return(key.VerifyMessage(message, signature));
}
