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 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()); } } }