private void GenerateKeys(string seed)
{
// generate the RSA keypair for the address
AsymmetricCipherKeyPair rsaKeyPair = WalletController.GetRSAKeyPairFromSeed(seed);
RsaKeyParameters rsaPublicKey = rsaKeyPair.Public as RsaKeyParameters;
RsaPublicKey pbk = new RsaPublicKey()
{
Exponent = rsaPublicKey.Exponent.ToByteArrayUnsigned(),
Modulus = rsaPublicKey.Modulus.ToByteArrayUnsigned()
};
RsaPrivateCrtKeyParameters rsaPrivateKey = rsaKeyPair.Private as RsaPrivateCrtKeyParameters;
RsaPrivateKey prk = new RsaPrivateKey()
{
DP = rsaPrivateKey.DP.ToByteArrayUnsigned(),
DQ = rsaPrivateKey.DQ.ToByteArrayUnsigned(),
Exponent = rsaPrivateKey.Exponent.ToByteArrayUnsigned(),
Modulus = rsaPrivateKey.Modulus.ToByteArrayUnsigned(),
P = rsaPrivateKey.P.ToByteArrayUnsigned(),
PublicExponent = rsaPrivateKey.PublicExponent.ToByteArrayUnsigned(),
Q = rsaPrivateKey.Q.ToByteArrayUnsigned(),
QInv = rsaPrivateKey.QInv.ToByteArrayUnsigned()
};
this._testOutputHelper.WriteLine($"Public key: {pbk.ToHex()}");
this._testOutputHelper.WriteLine($"Private key: {prk.ToHex()}");
}
public IActionResult CreateReviewerAddressAsync([FromBody] CreateReviewerAddressRequest request)
{
Guard.NotNull(request, nameof(request));
// checks the request is valid
if (!this.ModelState.IsValid)
{
return(ModelStateErrors.BuildErrorResponse(this.ModelState));
}
try
{
// calculate the Manager password hash
byte[] binaryPassword = System.Text.Encoding.ASCII.GetBytes(request.RsaPassword);
Org.BouncyCastle.Crypto.Digests.Sha512Digest sha = new Org.BouncyCastle.Crypto.Digests.Sha512Digest();
sha.BlockUpdate(binaryPassword, 0, binaryPassword.Length);
byte[] shaOutput = new byte[512 / 8];
sha.DoFinal(shaOutput, 0);
NBitcoin.DataEncoders.HexEncoder he = new NBitcoin.DataEncoders.HexEncoder();
string rsaPasswordHashHex = he.EncodeData(shaOutput);
// create the multisig address
PubKey[] groupMemberKeys = request.SignaturePubKeys.Select(pubKeyHex => new PubKey(pubKeyHex)).ToArray();
var scriptPubKey = PayToMultiSigTemplate
.Instance
.GenerateScriptPubKey(request.RequeiredSignatureCount, groupMemberKeys);
PublicReviewerAddressModel model = new PublicReviewerAddressModel
{
PublicApiUrl = request.PublicApiUrl
};
// check if the API is reachable and the address can be added to the watch list
Uri apiRequestUri = new Uri(new Uri(model.PublicApiUrl), $"/api/WatchOnlyWallet/watch?address={scriptPubKey.Hash.GetAddress(this.network).ToString()}");
try
{
HttpWebRequest apiRequest = (HttpWebRequest)WebRequest.Create(apiRequestUri);
ASCIIEncoding encoding = new ASCIIEncoding();
string postData = "";
byte[] data = encoding.GetBytes(postData);
apiRequest.Method = "POST";
apiRequest.ContentType = "application/x-www-form-urlencoded";
apiRequest.ContentLength = data.Length;
using (Stream stream = apiRequest.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
HttpWebResponse apiResponse = (HttpWebResponse)apiRequest.GetResponse();
string responseString = new StreamReader(apiResponse.GetResponseStream()).ReadToEnd();
if (apiResponse.StatusCode != HttpStatusCode.OK)
{
throw new Exception($"The API request '{apiRequestUri.ToString()}' returned the status code '{apiResponse.StatusCode}'.");
}
}
catch (Exception e)
{
throw new Exception($"The API request '{apiRequestUri.ToString()}' returned an error '{e.Message}'.");
}
// generate the RSA keypair for the address
AsymmetricCipherKeyPair rsaKeyPair = GetRSAKeyPairFromSeed(request.RsaPassword + scriptPubKey.Hash.GetAddress(this.network).ToString());
RsaKeyParameters rsaPublicKey = rsaKeyPair.Public as RsaKeyParameters;
RsaPublicKey pbk = new RsaPublicKey()
{
Exponent = rsaPublicKey.Exponent.ToByteArrayUnsigned(),
Modulus = rsaPublicKey.Modulus.ToByteArrayUnsigned()
};
RsaPrivateCrtKeyParameters rsaPrivateKey = rsaKeyPair.Private as RsaPrivateCrtKeyParameters;
RsaPrivateKey prk = new RsaPrivateKey()
{
DP = rsaPrivateKey.DP.ToByteArrayUnsigned(),
DQ = rsaPrivateKey.DQ.ToByteArrayUnsigned(),
Exponent = rsaPrivateKey.Exponent.ToByteArrayUnsigned(),
Modulus = rsaPrivateKey.Modulus.ToByteArrayUnsigned(),
P = rsaPrivateKey.P.ToByteArrayUnsigned(),
PublicExponent = rsaPrivateKey.PublicExponent.ToByteArrayUnsigned(),
Q = rsaPrivateKey.Q.ToByteArrayUnsigned(),
QInv = rsaPrivateKey.QInv.ToByteArrayUnsigned()
};
// return all the information we have
model = new PublicReviewerAddressModel
{
Network = this.network.ToString(),
Address = scriptPubKey.Hash.GetAddress(this.network).ToString(),
PublicName = request.PublicName,
GroupName = request.GroupName,
ValidFrom = request.ValidFrom.ToString("o"),
ValidUntil = request.ValidUntil.ToString("o"),
ScriptPubKeyHex = scriptPubKey.ToHex(),
RsaPublicKeyHex = pbk.ToHex(),
RsaPrivateKeyHex = prk.ToHex(),
RsaPasswordHashHex = rsaPasswordHashHex,
PublicApiUrl = request.PublicApiUrl
};
((WalletManager)this.walletManager).AddReviewerAddressToReviewerStore(model);
return(this.Json(model));
}
catch (Exception e)
{
this.logger.LogError("Exception occurred: {0}", e.ToString());
return(ErrorHelpers.BuildErrorResponse(HttpStatusCode.BadRequest, e.Message, e.ToString()));
}
}