public void TestRsaSha1()
{
using (Configuration cfg = new Configuration("openssl.cnf"))
{
// Test RSA/SHA1 with other SelfSigned method
BigNumber bn = 0x10001;
CryptoKey key;
using (RSA rsa = new RSA())
{
rsa.GenerateKeys(2048, bn, OnGenerator, null);
key = new CryptoKey(rsa);
// rsa is assigned, we no longer need this instance
}
using (var root = X509CertificateAuthority.SelfSigned(
cfg,
new SimpleSerialNumber(),
key,
MessageDigest.SHA1,
"Root1",
DateTime.Now,
TimeSpan.FromDays(365)))
{
Console.WriteLine(root.Certificate);
}
}
}
public void TestWithoutCfg() {
BigNumber bn = 0x10001;
CryptoKey key;
using (RSA rsa = new RSA()) {
rsa.GenerateKeys(2048, bn, OnGenerator, null);
key = new CryptoKey(rsa);
// rsa is assigned, we no longer need this instance
}
X509V3ExtensionList extList = new X509V3ExtensionList();
extList.Add(new X509V3ExtensionValue("subjectKeyIdentifier", false, "hash"));
extList.Add(new X509V3ExtensionValue("authorityKeyIdentifier", false, "keyid:always,issuer:always"));
extList.Add(new X509V3ExtensionValue("basicConstraints", true, "critical,CA:true"));
extList.Add(new X509V3ExtensionValue("keyUsage", false, "cRLSign,keyCertSign"));
using (X509CertificateAuthority root = X509CertificateAuthority.SelfSigned(
new SimpleSerialNumber(),
key,
MessageDigest.SHA1,
"Root1",
DateTime.Now,
TimeSpan.FromDays(365),
extList)) {
Console.WriteLine(root.Certificate);
// Iterate the extensions
Console.WriteLine("X509v3 Extensions:");
using (OpenSSL.Core.Stack<X509Extension> ext_stack = root.Certificate.Extensions) {
foreach (X509Extension ext in ext_stack) {
Console.WriteLine("Name:{0}, IsCritical:{1}, Value:{2}", ext.Name, ext.IsCritical, ext);
}
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Generating RSA Key ...");
RSA rsa = new RSA();
rsa.GenerateKeys(2048, 1, null, null);
string pem = rsa.PublicKeyAsPEM.Replace("\n", "").Replace("-----BEGIN PUBLIC KEY-----", "").Replace("-----END PUBLIC KEY-----", "");
byte[] bytes = Convert.FromBase64String(pem);
Console.WriteLine(Utility.ToHexString(bytes, false));
Console.ReadLine();
}
/// <summary>
/// Creates a new CryptoKey with public and private keys generated by the
/// RSA algorithm.
/// </summary>
/// <param name="numberOfBits">The bit strength to be used for the RSA algorithm. A value greater than 1024 is recommended.</param>
/// <returns>A new CryptoKey with both private and public keys generated used the RSA algorithm.</returns>
public static CryptoKey CreateNewRsaKey(int numberOfBits)
{
using (var rsa = new RSA())
{
BigNumber exponent = 0x10001; // this needs to be a prime number
rsa.GenerateKeys(numberOfBits, exponent, OnGenerator, null);
return new CryptoKey(rsa);
}
}
private void button3_Click(object sender, EventArgs e)
{
Encoding encoding = Encoding.UTF8;
using (OpenSSL.Crypto.RSA rsa = new OpenSSL.Crypto.RSA())
{
rsa.GenerateKeys(4096, BigNumber.One, null, null);
privateKey = rsa.PrivateKeyAsPEM;
publicKey = rsa.PublicKeyAsPEM;
MessageBox.Show("publicKey: " + publicKey + "\nprivateKey: " + privateKey);
}
}
static TestCipher()
{
const int numKeys = 10;
Keys = new CryptoKey[numKeys];
for (int i = 0; i < numKeys; i++)
{
using (var rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
Keys[i] = new CryptoKey(rsa);
}
}
}
public void TestGenRSA()
{
BigNumber e = null;
//if (options.IsSet("3"))
// e = 3;
//else if (options.IsSet("f4"))
// e = 0x10001;
e = 0x10001;
var rsagen = new RSA();
rsagen.GenerateKeys(2048, e, GeneratorHandler, null);
Cipher enc = null;
//if (options.IsSet("des"))
// enc = Cipher.DES_CBC;
//else if (options.IsSet("des3"))
// enc = Cipher.DES_EDE3_CBC;
//else if (options.IsSet("idea"))
// enc = Cipher.Idea_CBC;
//else if (options.IsSet("aes128"))
// enc = Cipher.AES_128_CBC;
//else if (options.IsSet("aes192"))
// enc = Cipher.AES_192_CBC;
//else if (options.IsSet("aes256"))
// enc = Cipher.AES_256_CBC;
string passwd = null;
using (var bio = BIO.MemoryBuffer())
{
rsagen.WritePrivateKey(bio, enc, OnPassword, passwd);
var outfile = "openssl-rsagen-privatekey.txt";
if (string.IsNullOrEmpty(outfile))
Console.WriteLine(bio.ReadString());
else
File.WriteAllText(outfile, bio.ReadString());
}
using (var bio = BIO.MemoryBuffer())
{
rsagen.WritePublicKey(bio);
var outfile = "openssl-rsagen-publickey.txt";
if (string.IsNullOrEmpty(outfile))
Console.WriteLine(bio.ReadString());
else
File.WriteAllText(outfile, bio.ReadString());
}
}
private static X509Certificate CreateCertificate()
{
BigNumber bn = 0x10001;
var rsa = new RSA();
rsa.GenerateKeys(2048, bn, null, null);
var key = new CryptoKey(rsa);
var cert = new X509Certificate(
new SimpleSerialNumber().Next(),
new X509Name("Mooege"),
new X509Name("Mooege"),
key,
DateTime.Now,
DateTime.Now + TimeSpan.FromDays(365));
cert.PrivateKey = key;
return cert;
}
X509Certificate CreateCertificate(X509CertificateAuthority ca, string name, Configuration cfg, string section)
{
var now = DateTime.Now;
var future = now + TimeSpan.FromDays(365);
using (var subject = new X509Name(name))
using (var rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
using (var key = new CryptoKey(rsa))
{
var request = new X509Request(1, subject, key);
var cert = ca.ProcessRequest(request, now, future, cfg, section);
cert.PrivateKey = key;
return cert;
}
}
}
public void CanCompare()
{
using (DSA dsa = new DSA(true))
{
using (CryptoKey lhs = new CryptoKey(dsa))
{
Assert.AreEqual(lhs, lhs);
using (CryptoKey rhs = new CryptoKey(dsa))
{
Assert.AreEqual(lhs, rhs);
}
using (DSA dsa2 = new DSA(true))
{
using (CryptoKey other = new CryptoKey(dsa2))
{
Assert.IsFalse(lhs == other);
}
}
}
}
using (RSA rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
using (CryptoKey lhs = new CryptoKey(rsa))
{
Assert.AreEqual(lhs, lhs);
using (CryptoKey rhs = new CryptoKey(rsa))
{
Assert.AreEqual(lhs, rhs);
}
using (RSA rsa2 = new RSA())
{
rsa2.GenerateKeys(1024, BigNumber.One, null, null);
using (CryptoKey other = new CryptoKey(rsa2))
{
Assert.IsFalse(lhs == other);
}
}
}
}
}
public void CanCompareRSA()
{
using (var rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
using (var lhs = new CryptoKey(rsa))
{
Assert.AreEqual(lhs, lhs);
using (var rhs = new CryptoKey(rsa))
{
Assert.AreEqual(lhs, rhs);
}
using (var rsa2 = new RSA())
{
rsa2.GenerateKeys(1024, BigNumber.One, null, null);
using (var other = new CryptoKey(rsa2))
{
Assert.AreNotEqual(lhs, other);
}
}
}
}
}
public void Execute(string[] args)
{
try
{
options.ParseArguments(args);
}
catch (Exception)
{
Usage();
return;
}
int bits = 512;
if (this.options.Arguments.Count == 1)
bits = Convert.ToInt32(this.options.Arguments[0]);
BigNumber e = null;
if (options.IsSet("3"))
e = 3;
else if (options.IsSet("f4"))
e = 0x10001;
Console.Error.WriteLine("Generating RSA private key, {0} bit long modulus", bits);
RSA rsa = new RSA();
rsa.GenerateKeys(bits, e, Program.OnGenerator, null);
Console.Error.WriteLine("e is {0} (0x{1})", e.ToDecimalString(), e.ToHexString());
Cipher enc = null;
if (options.IsSet("des"))
enc = Cipher.DES_CBC;
else if (options.IsSet("des3"))
enc = Cipher.DES_EDE3_CBC;
else if (options.IsSet("idea"))
enc = Cipher.Idea_CBC;
else if (options.IsSet("aes128"))
enc = Cipher.AES_128_CBC;
else if (options.IsSet("aes192"))
enc = Cipher.AES_192_CBC;
else if (options.IsSet("aes256"))
enc = Cipher.AES_256_CBC;
using (BIO bio = BIO.MemoryBuffer())
{
rsa.WritePrivateKey(bio, enc, Program.OnPassword, this.options["passout"]);
string outfile = this.options["out"] as string;
if (string.IsNullOrEmpty(outfile))
Console.WriteLine(bio.ReadString());
else
File.WriteAllText(outfile, bio.ReadString());
}
}
public void CanCreateFromRSA()
{
using (RSA rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
using (CryptoKey key = new CryptoKey(rsa))
{
Assert.AreEqual(CryptoKey.KeyType.RSA, key.Type);
Assert.AreEqual(rsa.Size, key.Size);
}
}
}
public void CanCreateFromRSA()
{
using (var rsa = new RSA())
{
rsa.GenerateKeys(1024, BigNumber.One, null, null);
using (var key = new CryptoKey(rsa))
{
Assert.AreEqual(CryptoKey.KeyType.RSA, key.Type);
Assert.AreEqual(rsa.Size, key.Size);
Assert.AreEqual(rsa.Handle, key.GetRSA().Handle);
}
using (var key = new CryptoKey())
{
key.Assign(rsa);
Assert.AreEqual(rsa.Handle, key.GetRSA().Handle);
}
}
}
public static RsaKeyPair GenerateRsaPrivateKey(int bits = 2048, BigNumber e = null,
RsaKeyGeneratorCallback cb = null, object cbArg = null)
{
if (e == null)
e = E_F4;
using (var rsa = new RSA())
{
BigNumber.GeneratorHandler cbWrapper = null;
if (cb != null)
cbWrapper = (x,y,z) => cb(x,y,z);
Cipher enc = null;
string pwd = null;
PasswordHandler pwdCb = null;
// If we choose to encrypt:
// Cipher.DES_CBC;
// Cipher.DES_EDE3_CBC;
// Cipher.Idea_CBC;
// Cipher.AES_128_CBC;
// Cipher.AES_192_CBC;
// Cipher.AES_256_CBC;
// and pwd != null || pwdCb != null
// We can use a pwdCb to get a password interactively or we can
// simply pass in a fixed password string (no cbPwd, just pwd)
if (pwd != null)
pwdCb = DefaultPasswordHandler;
// Ref: http://openssl.org/docs/manmaster/crypto/RSA_generate_key_ex.html
rsa.GenerateKeys(bits, e, cbWrapper, cbArg);
using (var bio = BIO.MemoryBuffer())
{
// Ref: http://openssl.org/docs/manmaster/crypto/PEM_write_bio_RSAPrivateKey.html
rsa.WritePrivateKey(bio, enc, pwdCb, pwd);
return new RsaKeyPair(bits, e.ToHexString(), bio.ReadString());
}
}
}
public override PrivateKey GeneratePrivateKey(PrivateKeyParams pkp)
{
var rsaPkParams = pkp as RsaPrivateKeyParams;
var ecPkParams = pkp as EcPrivateKeyParams;
if (rsaPkParams != null)
{
int bits;
// Bits less than 1024 are weak Ref: http://openssl.org/docs/manmaster/crypto/RSA_generate_key_ex.html
if (rsaPkParams.NumBits < RSA_BITS_MINIMUM)
{
bits = RSA_BITS_DEFAULT;
}
else
{
bits = rsaPkParams.NumBits;
}
BigNumber e;
if (string.IsNullOrEmpty(rsaPkParams.PubExp))
{
e = RSA_E_F4;
}
else if (rsaPkParams.PubExp.StartsWith("0x", StringComparison.OrdinalIgnoreCase))
{
e = BigNumber.FromHexString(rsaPkParams.PubExp);
}
else
{
e = BigNumber.FromDecimalString(rsaPkParams.PubExp);
}
using (var rsa = new OSSL_RSA())
{
BigNumber.GeneratorHandler cbWrapper = null;
if (rsaPkParams.Callback != null)
{
cbWrapper = (x, y, z) => rsaPkParams.Callback(x, y, z);
}
Cipher enc = null;
string pwd = null;
PasswordHandler pwdCb = null;
// If we choose to encrypt:
// Cipher.DES_CBC;
// Cipher.DES_EDE3_CBC;
// Cipher.Idea_CBC;
// Cipher.AES_128_CBC;
// Cipher.AES_192_CBC;
// Cipher.AES_256_CBC;
// and pwd != null || pwdCb != null
// We can use a pwdCb to get a password interactively or we can
// simply pass in a fixed password string (no cbPwd, just pwd)
if (pwd != null)
{
pwdCb = DefaultPasswordHandler;
}
// Ref: http://openssl.org/docs/manmaster/crypto/RSA_generate_key_ex.html
rsa.GenerateKeys(bits, e, cbWrapper, rsaPkParams.CallbackArg);
using (var bio = BIO.MemoryBuffer())
{
// Ref: http://openssl.org/docs/manmaster/crypto/PEM_write_bio_RSAPrivateKey.html
rsa.WritePrivateKey(bio, enc, pwdCb, pwd);
return(new RsaPrivateKey(bits, e.ToHexString(), bio.ReadString()));
}
}
}
else if (ecPkParams != null)
{
throw new NotImplementedException("EC private keys have not yet been implemented");
//var curveName = Asn1Object.FromShortName("P-256");
////var curveName = new Asn1Object("P-256");
//using (var ec =OpenSSL.Crypto.EC.Key.FromCurveName(curveName))
//{
// ec.GenerateKey();
//}
}
else
{
throw new NotSupportedException("unsupported private key parameter type");
}
}