/// <summary>
/// Construct a key using an existing RSA key.
/// </summary>
/// <param name="key"></param>
internal SSHRSAPrivateCrtKey(RSAPrivateCrtKey key) : base(key.Modulus,
key.PublicExponent,
key.PrivateExponent,
key.PrimeP,
key.PrimeQ,
key.PrimeExponentP,
key.PrimeExponentQ,
key.CrtCoefficient)
{
}
// ctor()?
public __RSACryptoServiceProvider(int dwKeySize, CspParameters parameters)
{
// what if ctor is here for import instead of gen?
// X:\jsc.svn\examples\java\hybrid\JVMCLRRSACryptoServiceProviderExport\JVMCLRRSACryptoServiceProviderExport\Program.cs
// If this is not a random container we generate, create it eagerly
// in the constructor so we can report any errors now.
// Environment.GetCompatibilityFlag(CompatibilityFlag.EagerlyGenerateRandomAsymmKeys)
// GetKeyPair();
// We only attempt to generate a random key on desktop runtimes because the CoreCLR
// RSA surface area is limited to simply verifying signatures. Since generating a
// random key to verify signatures will always lead to failure (unless we happend to
// win the lottery and randomly generate the signing key ...), there is no need
// to add this functionality to CoreCLR at this point.
// ? what
this.dwKeySize = dwKeySize;
this.parameters = parameters;
// when would we want to delay key gen?
// lets gen it early.
// X:\jsc.svn\examples\javascript\appengine\Test\TestCryptoKeyGenerate\TestCryptoKeyGenerate\ApplicationWebService.cs
try
{
// it works.
// can we now wrap rsa for all platforms
// and use it as a generic nuget?
var sw = Stopwatch.StartNew();
Console.WriteLine("RSACryptoServiceProvider before generateKeyPair " + new { dwKeySize });
var keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(dwKeySize);
this.InternalKeyPair = keyGen.generateKeyPair();
this.InternalRSAPublicKey = (RSAPublicKey)this.InternalKeyPair.getPublic();
this.InternalRSAPrivateKey = (RSAPrivateCrtKey)this.InternalKeyPair.getPrivate();
Console.WriteLine("RSACryptoServiceProvider after generateKeyPair " + new { sw.ElapsedMilliseconds });
//before generateKeyPair { { ElapsedMilliseconds = 2 } }
//after generateKeyPair { { ElapsedMilliseconds = 1130 } }
}
catch
{
throw;
}
}
public override void ImportParameters(RSAParameters parameters)
{
try
{
//Console.WriteLine("enter ImportParameters " + new { parameters.Exponent, parameters.Modulus, parameters.D });
// http://developer.android.com/reference/java/security/KeyFactory.html
// X:\jsc.svn\core\ScriptCoreLibJava\java\security\interfaces\RSAPublicKey.cs
// https://gist.github.com/manzke/1068441
// http://stackoverflow.com/questions/11410770/java-load-rsa-public-key-from-file
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2014/201408/20140829
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201503/20150323
// X:\jsc.svn\examples\javascript\Test\TestWebCryptoKeyExport\TestWebCryptoKeyExport\ApplicationWebService.cs
// tested by ?
var xKeyFactory = KeyFactory.getInstance("RSA");
var rsaModulusBytes = parameters.Modulus;
#region firstByte Modulus
var firstByte = rsaModulusBytes[0];
if (firstByte != 0)
{
// http://stackoverflow.com/questions/3970684/rsa-encryption-in-net-decryption-in-java-java-throws-modulus-not-positive
// jvm likes a leading 0 ?
rsaModulusBytes = new byte[parameters.Modulus.Length + 1];
Array.Copy(
parameters.Modulus,
0,
rsaModulusBytes,
1,
parameters.Modulus.Length
);
}
#endregion
// https://msdn.microsoft.com/en-us/library/system.security.cryptography.rsaparameters(v=vs.110).aspx
//Console.WriteLine("RSACryptoServiceProvider.ImportParameters " + new
//{
// rsaModulusBytes = rsaModulusBytes.Length,
// rsaModulusBytes0 = rsaModulusBytes[0],
// rsaModulusBytes1 = rsaModulusBytes[1],
//});
// https://docs.oracle.com/javase/7/docs/api/java/security/spec/RSAPrivateKeySpec.html
// http://www.herongyang.com/Cryptography/RSA-BigInteger-Convert-Byte-Sequences-to-Positive-Integers.html
// https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#BigInteger(int,%20byte[])
Func<byte[], BigInteger> f = bytes => new BigInteger(1, (sbyte[])(object)bytes);
var modulus = f(rsaModulusBytes);
// http://www.jensign.com/JavaScience/dotnet/RSAdotnet4/
// in J#, the java.math.BigInteger constructor expects byte[] data to be in BIG-endian order, consistent with Java api usage
// Z:\jsc.svn\examples\javascript\crypto\WebServiceAuthorityExperiment\WebServiceAuthorityExperiment\ApplicationWebService.cs
// https://community.oracle.com/thread/1531315?start=0&tstart=0
var xRSAPrivateKeySpec = new RSAPrivateCrtKeySpec(
modulus: modulus,
publicExponent: f(parameters.Exponent),
privateExponent: f(parameters.D),
primeP: f(parameters.P), // prime1
primeQ: f(parameters.Q), // prime2
primeExponentP: f(parameters.DP), // exponent1
primeExponentQ: f(parameters.DQ), // exponent2
crtCoefficient: f(parameters.InverseQ) // coefficient
);
var xRSAPublicKeySpec = new RSAPublicKeySpec(
modulus: f(rsaModulusBytes),
publicExponent: f(parameters.Exponent)
);
this.InternalRSAPrivateKey = (RSAPrivateCrtKey)xKeyFactory.generatePrivate(xRSAPrivateKeySpec);
this.InternalRSAPublicKey = (RSAPublicKey)xKeyFactory.generatePublic(xRSAPublicKeySpec);
this.InternalParameters = parameters;
//Console.WriteLine("ImportParameters " + new { this.KeySize });
}
catch
{
throw;
}
}
// ctor()?
public __RSACryptoServiceProvider(int dwKeySize, CspParameters parameters)
{
// what if ctor is here for import instead of gen?
// X:\jsc.svn\examples\java\hybrid\JVMCLRRSACryptoServiceProviderExport\JVMCLRRSACryptoServiceProviderExport\Program.cs
// If this is not a random container we generate, create it eagerly
// in the constructor so we can report any errors now.
// Environment.GetCompatibilityFlag(CompatibilityFlag.EagerlyGenerateRandomAsymmKeys)
// GetKeyPair();
// We only attempt to generate a random key on desktop runtimes because the CoreCLR
// RSA surface area is limited to simply verifying signatures. Since generating a
// random key to verify signatures will always lead to failure (unless we happend to
// win the lottery and randomly generate the signing key ...), there is no need
// to add this functionality to CoreCLR at this point.
// ? what
this.dwKeySize = dwKeySize;
this.parameters = parameters;
// when would we want to delay key gen?
// lets gen it early.
// X:\jsc.svn\examples\javascript\appengine\Test\TestCryptoKeyGenerate\TestCryptoKeyGenerate\ApplicationWebService.cs
try
{
// it works.
// can we now wrap rsa for all platforms
// and use it as a generic nuget?
var sw = Stopwatch.StartNew();
Console.WriteLine("RSACryptoServiceProvider before generateKeyPair " + new { dwKeySize });
var keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(dwKeySize);
this.InternalKeyPair = keyGen.generateKeyPair();
this.InternalRSAPublicKey = (RSAPublicKey)this.InternalKeyPair.getPublic();
this.InternalRSAPrivateKey = (RSAPrivateCrtKey)this.InternalKeyPair.getPrivate();
Console.WriteLine("RSACryptoServiceProvider after generateKeyPair " + new { sw.ElapsedMilliseconds });
//before generateKeyPair { { ElapsedMilliseconds = 2 } }
//after generateKeyPair { { ElapsedMilliseconds = 1130 } }
}
catch
{
throw;
}
}
public override void ImportParameters(RSAParameters parameters)
{
try
{
//Console.WriteLine("enter ImportParameters " + new { parameters.Exponent, parameters.Modulus, parameters.D });
// http://developer.android.com/reference/java/security/KeyFactory.html
// X:\jsc.svn\core\ScriptCoreLibJava\java\security\interfaces\RSAPublicKey.cs
// https://gist.github.com/manzke/1068441
// http://stackoverflow.com/questions/11410770/java-load-rsa-public-key-from-file
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2014/201408/20140829
// https://sites.google.com/a/jsc-solutions.net/backlog/knowledge-base/2015/201503/20150323
// X:\jsc.svn\examples\javascript\Test\TestWebCryptoKeyExport\TestWebCryptoKeyExport\ApplicationWebService.cs
// tested by ?
var xKeyFactory = KeyFactory.getInstance("RSA");
var rsaModulusBytes = parameters.Modulus;
#region firstByte Modulus
var firstByte = rsaModulusBytes[0];
if (firstByte != 0)
{
// http://stackoverflow.com/questions/3970684/rsa-encryption-in-net-decryption-in-java-java-throws-modulus-not-positive
// jvm likes a leading 0 ?
rsaModulusBytes = new byte[parameters.Modulus.Length + 1];
Array.Copy(
parameters.Modulus,
0,
rsaModulusBytes,
1,
parameters.Modulus.Length
);
}
#endregion
// https://msdn.microsoft.com/en-us/library/system.security.cryptography.rsaparameters(v=vs.110).aspx
//Console.WriteLine("RSACryptoServiceProvider.ImportParameters " + new
//{
// rsaModulusBytes = rsaModulusBytes.Length,
// rsaModulusBytes0 = rsaModulusBytes[0],
// rsaModulusBytes1 = rsaModulusBytes[1],
//});
// https://docs.oracle.com/javase/7/docs/api/java/security/spec/RSAPrivateKeySpec.html
// http://www.herongyang.com/Cryptography/RSA-BigInteger-Convert-Byte-Sequences-to-Positive-Integers.html
// https://docs.oracle.com/javase/7/docs/api/java/math/BigInteger.html#BigInteger(int,%20byte[])
Func <byte[], BigInteger> f = bytes => new BigInteger(1, (sbyte[])(object)bytes);
var modulus = f(rsaModulusBytes);
// http://www.jensign.com/JavaScience/dotnet/RSAdotnet4/
// in J#, the java.math.BigInteger constructor expects byte[] data to be in BIG-endian order, consistent with Java api usage
// Z:\jsc.svn\examples\javascript\crypto\WebServiceAuthorityExperiment\WebServiceAuthorityExperiment\ApplicationWebService.cs
// https://community.oracle.com/thread/1531315?start=0&tstart=0
var xRSAPrivateKeySpec = new RSAPrivateCrtKeySpec(
modulus: modulus,
publicExponent: f(parameters.Exponent),
privateExponent: f(parameters.D),
primeP: f(parameters.P), // prime1
primeQ: f(parameters.Q), // prime2
primeExponentP: f(parameters.DP), // exponent1
primeExponentQ: f(parameters.DQ), // exponent2
crtCoefficient: f(parameters.InverseQ) // coefficient
);
var xRSAPublicKeySpec = new RSAPublicKeySpec(
modulus: f(rsaModulusBytes),
publicExponent: f(parameters.Exponent)
);
this.InternalRSAPrivateKey = (RSAPrivateCrtKey)xKeyFactory.generatePrivate(xRSAPrivateKeySpec);
this.InternalRSAPublicKey = (RSAPublicKey)xKeyFactory.generatePublic(xRSAPublicKeySpec);
this.InternalParameters = parameters;
//Console.WriteLine("ImportParameters " + new { this.KeySize });
}
catch
{
throw;
}
}