// https://stackoverflow.com/questions/13806299/how-to-create-a-self-signed-certificate-using-c
static void MakeCert()
{
using (System.Security.Cryptography.ECDsa ecdsa = System.Security.Cryptography.ECDsa.Create()) // generate asymmetric key pair
{
System.Security.Cryptography.X509Certificates.CertificateRequest req =
new System.Security.Cryptography.X509Certificates.CertificateRequest("cn=foobar", ecdsa
, System.Security.Cryptography.HashAlgorithmName.SHA512
);
using (System.Security.Cryptography.X509Certificates.X509Certificate2 cert =
req.CreateSelfSigned(System.DateTimeOffset.Now, System.DateTimeOffset.Now.AddYears(5)
))
{
// Create PFX (PKCS #12) with private key
System.IO.File.WriteAllBytes("d:\\mycert.pfx", cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Pfx));
// Create Base 64 encoded CER (public key only)
System.IO.File.WriteAllText("d:\\mycert.cer",
"-----BEGIN CERTIFICATE-----\r\n"
+ System.Convert.ToBase64String(
cert.Export(System.Security.Cryptography.X509Certificates.X509ContentType.Cert)
, System.Base64FormattingOptions.InsertLineBreaks
)
+ "\r\n-----END CERTIFICATE-----");
} // End Using cert
} // End Using ecdsa
} // End Sub MakeCert
public EcdsaCertificate(X509Certificate2 certificate, X509Certificate2Collection chain)
{
_certificate = certificate;
_privateKey = _certificate.GetECDsaPrivateKey();
var curve = _privateKey.ExportParameters(false);
if (curve.Curve.CurveType != System.Security.Cryptography.ECCurve.ECCurveType.Named)
{
ExceptionHelper.ThrowException(new InvalidOperationException());
}
switch (curve.Curve.Oid.FriendlyName)
{
case "nistP256":
_certificateType = CertificateType.Ecdsa_secp256r1;
_supportedSignatureScheme = SignatureScheme.ecdsa_secp256r1_sha256;
_hashType = HashType.SHA256;
break;
case "nistP384":
_certificateType = CertificateType.Ecdsa_secp384r1;
_supportedSignatureScheme = SignatureScheme.ecdsa_secp384r1_sha384;
_hashType = HashType.SHA384;
break;
case "nistP521":
_certificateType = CertificateType.Ecdsa_secp521r1;
_supportedSignatureScheme = SignatureScheme.ecdsa_secp521r1_sha512;
_hashType = HashType.SHA512;
break;
default:
ExceptionHelper.ThrowException(new InvalidOperationException());
break;
}
_certificateChain = new byte[chain.Count][];
for (var i = 0; i < chain.Count; i++)
{
_certificateChain[i] = chain[i].RawData;
}
}
public OracleNeoFSProtocol(Wallet wallet, ECPoint[] oracles)
{
byte[] key = oracles.Select(p => wallet.GetAccount(p)).Where(p => p is not null && p.HasKey && !p.Lock).FirstOrDefault().GetKey().PrivateKey;
privateKey = key.LoadPrivateKey();
}
public CertificateRequest(string subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm)
{
}
public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm)
{
}
public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForECDsa(System.Security.Cryptography.ECDsa key)
{
throw null;
}
public static System.Security.Cryptography.X509Certificates.X509Certificate2 CopyWithPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate, System.Security.Cryptography.ECDsa privateKey)
{
throw null;
}
public static byte[] Sign(byte[] content, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, bool isDetached = false)
{
throw null;
}
public bool Verify(System.Security.Cryptography.ECDsa key, System.ReadOnlySpan <byte> content)
{
throw null;
}
public bool Verify(System.Security.Cryptography.ECDsa key)
{
throw null;
}