static void Main(string[] args)
{
Console.WriteLine("\n --- RSA.ALGORITHM ---\n");
RsaAlgorithm rsa = new RsaAlgorithm();
RsaPublicKey publicKey = rsa.GetPublicKeyEN();
RsaPrivateKey privateKey = rsa.GetPrivateKeyDN();
Console.WriteLine($" * Private key: {privateKey.D}, {privateKey.N}");
Console.WriteLine($" * Public key: {publicKey.E}, {publicKey.N}");
int input;
do
{
Console.Write("\n - Enter for encrypt/decrypt (1 - 10000): ");
input = int.Parse(Console.ReadLine() ?? string.Empty);
} while (input < 1 || input > 10000);
int encrypt = rsa.EncryptMessage(input);
int decrypt = rsa.DecryptMessage(encrypt);
Console.WriteLine($"\n * Encrypt: {encrypt}");
Console.WriteLine($" * Decrypt: {decrypt}");
Console.Write("\n --- Press <ENTER>: ");
Console.ReadLine();
}
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 void GenerateNewKeyset_Should_ThrowException_When_PublicKeyIsNull()
{
// Arrange
var key = new RsaEncryption();
var privateKey = new RsaPrivateKey();
RsaPublicKey publicKey = null;
// Act & Assert
Assert.Throws <ArgumentNullException>(() => key.GenerateNewKeyset(ref publicKey, ref privateKey));
}
public void LoadFromCertificateFile_Should_LoadCertificate_When_FileIsPasswordProtected()
{
// Arrange
var cert = $"{_assemblyPath}RsaEncrypt.pfx";
// Act
var publicKey = RsaPublicKey.LoadFromCertificateFile(cert, "password");
// Assert
Assert.NotNull(publicKey);
}
public void LoadFromXmlFile_Should_LoadThePublicKeyFromFile()
{
// Arrange
var file = $"{_assemblyPath}publicKey.xml";
// Act
var key = RsaPublicKey.LoadFromXmlFile(file);
// Assert
Assert.Equal("AQAB", key.Exponent);
}
public async Task <string> ToJsonAsync(RsaPublicKey sigPubKey)
{
var jwt = await RetrieveUriContentsAsync(RequestUri);
if (Util.IsCompactJwe(jwt))
{
return(CONTENT_IS_ENCRYPTED);
}
return(sigPubKey.VerifyCompactJws(jwt));
}
public void Constructor_Should_ThrowExceptionWhenRSAPublicKeyIsNotProvided()
{
// Arrange
RsaPublicKey key = null;
// Act & Assert
Assert.Throws <ArgumentNullException>(() =>
{
var e1 = new ASymmetricEncryption(key);
});
}
public void AgentCreateDeviceSetRsaKey()
{
// generate RSA key pair
RsaKeyGenerator generator = new RsaKeyGenerator();
RsaPrivateKey privateKey = generator.GeneratePrivateKey(2048);
RsaPublicKey publicKey = generator.GeneratePublicKey(privateKey);
// set RSA keys into a CreateDeviceRequest object
CreateDeviceRequest request = new CreateDeviceRequest();
request.ClientRsaPrivateKey = privateKey;
request.ClientRsaPublicKey = publicKey;
}
public void Constructor_Should_ThrowExceptionWhenNoRSAPublicKeyIsProvidedButPasswordIs()
{
// Arrange
RsaPublicKey key = null;
var password = new EncryptionData("password");
// Act & Assert
Assert.Throws <ArgumentNullException>(
() =>
{
var e1 = new ASymmetricEncryption(key, password);
});
}
public void Encrypt_Should_ThrowException_When_EncryptingToMuchData()
{
// Arrange
var publicKey = new RsaPublicKey();
var privateKey = new RsaPrivateKey();
var e1 = new RsaEncryption();
// Act
e1.GenerateNewKeyset(ref publicKey, ref privateKey);
// Assert
Assert.Throws <CryptographicException>(() => e1.Encrypt(new EncryptionData(_targetString), publicKey));
}
public string ToJson(RsaPublicKey sigPubKey)
{
if (Util.IsCompactJwe(Jwt))
{
return(Util.Jsonize(CONTENT_IS_ENCRYPTED));
}
if (Util.IsCompactJws(Jwt))
{
return(sigPubKey.VerifyCompactJws(Jwt));
}
throw new GoodIdException("Unsupported JWT format.");
}
public void Encrypt_Should_ThrowException_When_DataIsNull()
{
// Arrange
var publicKey = new RsaPublicKey();
var privateKey = new RsaPrivateKey();
var e1 = new RsaEncryption();
e1.GenerateNewKeyset(ref publicKey, ref privateKey);
EncryptionData data = null;
// Act & Assert
Assert.Throws <ArgumentNullException>(() => e1.Encrypt(data, publicKey));
}
public void LoadFromXml_Should_ReturnExpectedResult()
{
// Arrange
const string xml = "<RSAKeyValue>" +
"<Modulus>0D59Km2Eo9oopcm7Y2wOXx0TRRXQFybl9HHe/ve47Qcf2EoKbs9nkuMmhCJlJ" +
"zrq6ZJzgQSEbpVyaWn8OHq0I50rQ13dJsALEquhlfwVWw6Hit7qRvveKlOAGfj8xdkaXJ" +
"LYS1tA06tKHfYxgt6ysMBZd0DIedYoE1fe3VlLZyE=</Modulus>" +
"<Exponent>AQAB</Exponent>" +
"</RSAKeyValue>";
// Act
var rsa = RsaPublicKey.LoadFromXml(xml);
// Assert
Assert.Equal("AQAB", rsa.Exponent);
}
public void Modulus_Should_ReturnExpectedResult()
{
// Arrange
const string e = "AQAB";
const string m = "z8FBNlJQrn4rEKhGlNvQDKgKDlHHOVu2hlWkP0pRrxTyp1/h/dJsBN4dfASY2A1"
+ "r5KBCg1dySSNVFB5bJP9o9ob2GEL0dlbZtg0CiiWCwOFWBgakav3Va1+CUF6DbN"
+ "g3gw2c/1WQaq73xB/WbKuLp5yk22HP/kVOUaG6H33Muv3s2/GxXClgnw8tOqLYbO"
+ "A/tb9G9d0MIyhhEG/vOR8kkKrwZTeIECbT8vZl0B952leMKmoBN3AJVdnzmP43H"
+ "Jvx28N0VJ0teV0emgOGnyhpNMB01KlTqd2Kc6Hls7AQbBJ/bkgmlnSdQA7vipig"
+ "FKU19rhgMd4/95gBmTJOb71wfQ==";
// Act
var key = new RsaPublicKey(e, m);
// Assert
Assert.Equal(m, key.Modulus);
}
public void Decrypt_Should_ReturnExpectedResult_When_UsingExplicitKeySizeAndGeneratedKeys()
{
// Arrange
var publicKey = new RsaPublicKey();
var privateKey = new RsaPrivateKey();
var e1 = new RsaEncryption(4096);
var e2 = new RsaEncryption(4096);
e1.GenerateNewKeyset(ref publicKey, ref privateKey);
// Act
var encryptedData = e1.Encrypt(new EncryptionData(Secret), publicKey);
var decryptedData = e2.Decrypt(encryptedData, privateKey);
// Assert
Assert.Equal(decryptedData.Text, Secret);
}
public void Verify_Should_ReturnTrue_When_ValidatingUnChangedSignedData()
{
// Arrange
var secretData = new EncryptionData(Secret);
var publicKey = new RsaPublicKey();
var privateKey = new RsaPrivateKey();
var e1 = new RsaEncryption();
e1.GenerateNewKeyset(ref publicKey, ref privateKey);
// Act
var signature = e1.Sign(secretData, privateKey);
var actual = e1.Verify(secretData, signature, publicKey);
// Assert
Assert.True(actual);
}
public void Decrypt_Should_ReturnExpectedResult_When_KeyIsStoredInCertificate()
{
// Arrange
var cert = $"{_assemblyPath}RsaEncrypt";
var publicKey = RsaPublicKey.LoadFromCertificateFile(cert + ".cer");
var privateKey = RsaPrivateKey.LoadFromCertificateFile(cert + ".pfx", "password");
var e1 = new RsaEncryption();
var e2 = new RsaEncryption();
// Act
var encryptedData = e1.Encrypt(new EncryptionData(Secret), publicKey);
var decryptedData = e2.Decrypt(encryptedData, privateKey);
// Assert
Assert.Equal(decryptedData.Text, Secret);
}
public void ExportToXmlFile_Should_ThrowException_IfPublicKeyFileExist()
{
// Arrange
var guid = Guid.NewGuid();
var file = $"{_assemblyPath}{guid}.xml";
const string e = "AQAB";
const string m = "z8FBNlJQrn4rEKhGlNvQDKgKDlHHOVu2hlWkP0pRrxTyp1/h/dJsBN4dfASY2A1"
+ "r5KBCg1dySSNVFB5bJP9o9ob2GEL0dlbZtg0CiiWCwOFWBgakav3Va1+CUF6DbN"
+ "g3gw2c/1WQaq73xB/WbKuLp5yk22HP/kVOUaG6H33Muv3s2/GxXClgnw8tOqLYbO"
+ "A/tb9G9d0MIyhhEG/vOR8kkKrwZTeIECbT8vZl0B952leMKmoBN3AJVdnzmP43H"
+ "Jvx28N0VJ0teV0emgOGnyhpNMB01KlTqd2Kc6Hls7AQbBJ/bkgmlnSdQA7vipig"
+ "FKU19rhgMd4/95gBmTJOb71wfQ==";
var key = new RsaPublicKey(e, m);
key.ExportToXmlFile(file);
// Act & Assert
Assert.Throws <IOException>(() => key.ExportToXmlFile(file));
}
public IActionResult AddPublicKey([FromBody] RsaPublicKey theRsaPublicKey)
{
if (theRsaPublicKey == null)
{
throw new ArgumentNullException(nameof(theRsaPublicKey));
}
// initialize the dictionary of public keys using the server name and key
if (!publicKeysByClient.ContainsKey(theRsaPublicKey.ClientName))
{
publicKeysByClient.Add(theRsaPublicKey.ClientName, theRsaPublicKey);
}
else
{
publicKeysByClient[theRsaPublicKey.ClientName] = theRsaPublicKey;
}
return(Ok($"Public Key added to the client {theRsaPublicKey.ClientName}!"));
}
public void Decrypt_Should_ReturnExpectedResult_When_KeyIsStoredInXml()
{
// Arrange
const string publicKeyXml = "<RSAKeyValue>" +
"<Modulus>0D59Km2Eo9oopcm7Y2wOXx0TRRXQFybl9HHe/ve47Qcf2EoKbs9nkuMmhCJlJ" +
"zrq6ZJzgQSEbpVyaWn8OHq0I50rQ13dJsALEquhlfwVWw6Hit7qRvveKlOAGfj8xdkaXJ" +
"LYS1tA06tKHfYxgt6ysMBZd0DIedYoE1fe3VlLZyE=</Modulus>" +
"<Exponent>AQAB</Exponent>" +
"</RSAKeyValue>";
const string privateKeyXml = "<RSAKeyValue>" +
"<Modulus>0D59Km2Eo9oopcm7Y2wOXx0TRRXQFybl9HHe/ve47Qcf2EoKbs9nkuMmhCJlJ" +
"zrq6ZJzgQSEbpVyaWn8OHq0I50rQ13dJsALEquhlfwVWw6Hit7qRvveKlOAGfj8xdkaXJ" +
"LYS1tA06tKHfYxgt6ysMBZd0DIedYoE1fe3VlLZyE=</Modulus>" +
"<Exponent>AQAB</Exponent>" +
"<P>/1cvDks8qlF1IXKNwcXW8tjTlhjidjGtbT9k7FCYug+P6ZBDfqhUqfvjgLFF" +
"/+dAkoofNqliv89b8DRy4gS4qQ==</P>" +
"<Q>0Mgq7lyvmVPR1r197wnba1bWbJt8W2Ki8ilUN6lX6Lkk04ds9y3A0txy0ESya7dyg" +
"9NLscfU3NQMH8RRVnJtuQ==</Q>" +
"<DP>+uwfRumyxSDlfSgInFqh/+YKD5+GtGXfKtO4hu4xF+8BGqJ1YXtkL" +
"+Njz2zmADOt5hOr1tigPSQ2EhhIqUnAeQ==</DP>" +
"<DQ>M5Ofd28SOjCIwCHjwG+Q8v1qzz3CBNljI6uuEGoXO3ix" +
"bkggVRfKcMzg2C6AXTfeZE6Ifoy9OyhvLlHTPiXakQ==</DQ>" +
"<InverseQ>yQIJMLdL6kU4VK7M5b5PqWS8XzkgxfnaowRs9mhSEDdwwWPtUXO8aQ9G3" +
"zuiDUqNq9j5jkdt77+c2stBdV97ew==</InverseQ>" +
"<D>HOpQXu/OFyJXuo2EY43BgRt8bX9V4aEZFRQqrqSfHOp8VYASasiJzS+VTYupGAVqUP" +
"xw5V1HNkOyG0kIKJ+BG6BpIwLIbVKQn/ROs7E3/vBdg2+QXKhikMz/4gY" +
"x2oEsXW2kzN1GMRop2lrrJZJNGE/eG6i4lQ1/inj1Tk/sqQE=</D>" +
"</RSAKeyValue>";
var publicKey = new RsaPublicKey(publicKeyXml);
var privateKey = new RsaPrivateKey(privateKeyXml);
var e1 = new RsaEncryption();
var e2 = new RsaEncryption();
// Act
var encryptedData = e1.Encrypt(new EncryptionData(Secret), publicKey);
var decryptedData = e2.Decrypt(encryptedData, privateKey);
// Assert
Assert.Equal(decryptedData.Text, Secret);
}
public void Decrypt_Should_ReturnExpectedResult_When_KeyIsStoredInConfig()
{
// Arrange
AddKeysToEnvironment();
var publicKey = RsaPublicKey.LoadFromEnvironment();
var privateKey = RsaPrivateKey.LoadFromEnvironment();
var e1 = new RsaEncryption();
var e2 = new RsaEncryption();
// Act
var encryptedData = e1.Encrypt(new EncryptionData(Secret), publicKey);
var decryptedData = e2.Decrypt(encryptedData, privateKey);
// Assert
Assert.Equal(decryptedData.Text, Secret);
RemoveKeysToEnvironment();
}
private static byte[] RSAEncryptByteArray(byte[] plaintext, RsaPublicKey publicKey)
{
byte[] result = null;
using (var rsa = RSA.Create())
{
RSAParameters rsaParameters = new RSAParameters();
rsaParameters.Exponent = publicKey.Exponent;
rsaParameters.Modulus = publicKey.Modulus;
rsa.ImportParameters(rsaParameters);
if (plaintext.Count() > publicKey.Modulus.Length - 11)
{
throw new Exception("The RSA message must be shorter than the length of the public key.");
}
result = rsa.Encrypt(plaintext, RSAEncryptionPadding.Pkcs1);
}
return(result);
}
/// <summary>
/// Imports the X509 certificate.
/// </summary>
/// <param name="purpose">The purpose.</param>
/// <param name="input">The input.</param>
/// <returns></returns>
public virtual ImportedKeySet X509Certificate(KeyPurpose purpose, Stream input)
{
var parser = new X509CertificateParser();
var cert = parser.ReadCertificate(input);
var bouncyKey = cert.GetPublicKey();
Key key;
if (bouncyKey is RsaKeyParameters)
{
var keyParam = bouncyKey as RsaKeyParameters;
key = new RsaPublicKey
{
Modulus = keyParam.Modulus.ToSystemBigInteger(),
PublicExponent = keyParam.Exponent.ToSystemBigInteger(),
Size = keyParam.Modulus.BitLength,
};
}
else if (bouncyKey is DsaPublicKeyParameters)
{
var keyParam = bouncyKey as DsaPublicKeyParameters;
if (KeyPurpose.Encrypt == purpose)
{
throw new InvalidKeySetException("DSA key cannot be used for encryption!");
}
key = new DsaPublicKey
{
Y = keyParam.Y.ToSystemBigInteger(),
G = keyParam.Parameters.G.ToSystemBigInteger(),
P = keyParam.Parameters.P.ToSystemBigInteger(),
Q = keyParam.Parameters.Q.ToSystemBigInteger(),
Size = keyParam.Parameters.P.BitLength
};
}
else
{
throw new InvalidKeySetException("Unsupported key type!");
}
return(new ImportedKeySet(key, purpose, "imported from certificate"));
}
public ASymmetricEncryptionTests()
{
var fullPath = Assembly.GetAssembly(typeof(ASymmetricEncryptionTests)).Location;
var pathDirectory = Path.GetDirectoryName(fullPath);
var separator = Path.DirectorySeparatorChar;
_assemblyPath = $"{pathDirectory}{separator}";
_targetString = "Did you know that some of the most famous inventions would "
+ "never have been made if the inventors had stopped at their "
+ "first failure? For instance, Thomas Edison, inventor of "
+ "the light bulb had 1,000 failed attempts at creating one "
+ "light bulb that worked properly. - Vee Freir";
_targetData = new EncryptionData(_targetString);
_privateKey = RsaPrivateKey.LoadFromCertificateFile(
$"{_assemblyPath}ASymmetricEncryption.pfx",
"password");
_publicKey = RsaPublicKey.LoadFromCertificateFile(
$"{_assemblyPath}ASymmetricEncryption.pfx",
"password");
}
/// <summary>
/// Imports the X509 certificate.
/// </summary>
/// <param name="purpose">The purpose.</param>
/// <param name="input">The input.</param>
/// <returns></returns>
public virtual ImportedKeySet X509Certificate(KeyPurpose purpose, Stream input)
{
var parser = new X509CertificateParser();
var cert = parser.ReadCertificate(input);
var bouncyKey = cert.GetPublicKey();
Key key;
if (bouncyKey is RsaKeyParameters)
{
var keyParam = bouncyKey as RsaKeyParameters;
key = new RsaPublicKey
{
Modulus = keyParam.Modulus.ToSystemBigInteger(),
PublicExponent = keyParam.Exponent.ToSystemBigInteger(),
Size = keyParam.Modulus.BitLength,
};
}
else if (bouncyKey is DsaPublicKeyParameters)
{
var keyParam = bouncyKey as DsaPublicKeyParameters;
if (KeyPurpose.Encrypt == purpose)
{
throw new InvalidKeySetException("DSA key cannot be used for encryption!");
}
key = new DsaPublicKey
{
Y = keyParam.Y.ToSystemBigInteger(),
G = keyParam.Parameters.G.ToSystemBigInteger(),
P = keyParam.Parameters.P.ToSystemBigInteger(),
Q = keyParam.Parameters.Q.ToSystemBigInteger(),
Size = keyParam.Parameters.P.BitLength
};
}
else
{
throw new InvalidKeySetException("Unsupported key type!");
}
return new ImportedKeySet(key, purpose, "imported from certificate");
}
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()));
}
}
public const int MAX_MESSAGELENGTH_RELAY = 3 + 2 + 16 * 1024; //! bytes (+3 for OP_NOP OP_NOP OP_RETURN, +2 for the pushdata opcodes)
public Script GenerateScriptPubKey(string message, string messageRecipient, string replyToAddress, string rewardAddress, bool encryptMessage, RsaPublicKey publicKey, RsaPrivateKey privateKey)
{
byte[] pushData = null;
var wsm = new WantedSystemMessage()
{
Encryption = (encryptMessage ? MessageEncryption.RSA4096AES256 : MessageEncryption.None),
Text = message,
Metadata = new WantedSystemMessageMetadata()
{
CreationTimeUtc = DateTime.UtcNow.ToString(),
RecipientAddress = messageRecipient,
ReplyToAddress = replyToAddress,
RewardAddress = rewardAddress
}
};
if (encryptMessage)
{
pushData = GenerateWantedSystemMessagePushData(wsm, publicKey);
}
else
{
pushData = GenerateWantedSystemMessagePushData(wsm);
}
return(GenerateScriptPubKey(pushData));
}
public void LoadFromXmlFile_Should_ThrowException_When_FileDoesNotExists()
{
// Assert
Assert.Throws <ArgumentException>(()
=> RsaPublicKey.LoadFromXmlFile($"{_assemblyPath}nonexist.xml"));
}
private byte[] GenerateWantedSystemMessagePushData(WantedSystemMessage message, RsaPublicKey publicKey = null)
{
byte[] encryptionKey = new byte[0];
string metadata = JsonConvert.SerializeObject(message.Metadata);
byte[] uncompressedMetadata = System.Text.Encoding.UTF8.GetBytes(metadata);
byte[] compressedMetadata = GZIPCompressByteArray(uncompressedMetadata);
byte[] uncompressedMessage = System.Text.Encoding.UTF8.GetBytes(message.Text);
if (message.Encryption == MessageEncryption.RSA4096AES256)
{
byte[] aesKey = GetRandomData(256);
encryptionKey = RSAEncryptByteArray(aesKey, publicKey);
byte[] encryptedMessage = AESEncryptByteArray(uncompressedMessage, aesKey);
uncompressedMessage = encryptedMessage;
}
byte[] compressedMessage = GZIPCompressByteArray(uncompressedMessage);
byte[] header = System.Text.Encoding.UTF8.GetBytes("TWS");
byte version = (byte)message.Version;
byte compression = (byte)message.Compression;
byte checksumType = (byte)message.ChecksumType;
byte encryptionType = (byte)message.Encryption;
ushort encryptionKeyLength = (ushort)encryptionKey.Length;
ushort metadataLength = (ushort)compressedMetadata.Length;
ushort messageLength = (ushort)compressedMessage.Length;
List <byte> pushDataList = new List <byte>();
pushDataList.AddRange(header);
pushDataList.Add(version);
pushDataList.Add(compression);
pushDataList.Add(checksumType);
pushDataList.Add(encryptionType);
pushDataList.AddRange(BitConverter.GetBytes(encryptionKeyLength));
pushDataList.AddRange(BitConverter.GetBytes(metadataLength));
pushDataList.AddRange(BitConverter.GetBytes(messageLength));
pushDataList.AddRange(encryptionKey);
pushDataList.AddRange(compressedMetadata);
pushDataList.AddRange(compressedMessage);
if (pushDataList.Count > 16 * 1024)
{
throw new Exception("Push data can't be bigger than 16 kbytes.");
}
return(pushDataList.ToArray());
}
public void LoadFromConfig_Should_ThrowExceptionWhenConfigAppSettingsEmpty() => Assert.Throws <ArgumentException>(() => RsaPublicKey.LoadFromEnvironment());
/// <summary>
/// Impland a message as PushData into a transaction
/// </summary>
/// <returns></returns>
public TransactionBuilder SendMessage(string message, string messageRecipient, string replyToAddress, string rewardAddress, RsaPublicKey publicKey = null, RsaPrivateKey privateKey = null)
{
var output = new TxOut()
{
ScriptPubKey = WantedSystemMessageTemplate.Instance.GenerateScriptPubKey(message, messageRecipient, replyToAddress, rewardAddress, (publicKey != null), publicKey, privateKey)
};
// change the txout's value dynamically to the smallest amount (the dust threshold)
output.Value = output.GetDustThreshold(this.StandardTransactionPolicy.MinRelayTxFee);
var builder = new SendMessageBuilder(output);
this.CurrentGroup.Builders.Add(builder.Build);
return(this);
}
public static byte[] RsaEncrypt(byte[] clearData, RsaPublicKey key)
{
Argument.ValidateIsNotNull(clearData, "clearData");
Argument.ValidateIsNotNull(key, "key");
// RSA works with integers, not bytes, so transform the bytes into an integer.
var clearInteger = BytesToBigInteger(clearData);
// It's as simple as that: c = (s**e) mod n
var encryptedInteger = BigInteger.ModPow(clearInteger, key.E, key.N);
return BigIntegerToBytes(encryptedInteger);
}
