public static RsaCipher LoadFromPEM(string certFilename, string keyFilename = null)
{
var key = new RsaCipherKey();
try
{
var certificate = ReadPEM("CERTIFICATE", certFilename);
var x509 = new X509Certificate2(certificate);
#if NETSTANDARD2_0
key.Public = x509.GetRSAPublicKey();
#endif
#if NETFX
key.Public = (RSACryptoServiceProvider)x509.PublicKey.Key;
#endif
if (keyFilename != null)
{
var privateKey = ReadPEM("RSA PRIVATE KEY", keyFilename);
RSACryptoServiceProvider prov = DecodeRsaPrivateKey(privateKey);
key.Private = prov;
}
}
catch (Exception)
{
key.Dispose();
throw;
}
RsaCipher rsaCipher = new RsaCipher();
rsaCipher._key = key;
return(rsaCipher);
}
public RsaCipher Clone()
{
EnsureObjectNotDisposed();
RsaCipher cipher = new RsaCipher();
#if NETSTANDARD2_0
cipher.RsaEncryptionPadding = RsaEncryptionPadding;
#endif
cipher._key = _key;
cipher._key.AddRef();
return(cipher);
}
public static RsaCipher LoadFromX509Store(string friendlyName)
{
System.Security.Cryptography.X509Certificates.X509Store store = new System.Security.Cryptography.X509Certificates.X509Store(StoreName.My);
try
{
store.Open(OpenFlags.ReadOnly);
foreach (var x509 in store.Certificates)
{
var cn = x509.FriendlyName;
if (cn == friendlyName)
{
var key = new RsaCipherKey();
try
{
#if NETSTANDARD2_0
key.Public = x509.GetRSAPublicKey();
key.Private = x509.GetRSAPrivateKey();
#endif
#if NETFX
key.Public = (RSACryptoServiceProvider)x509.PublicKey.Key;
key.Private = (RSACryptoServiceProvider)x509.PrivateKey;
#endif
}
catch (Exception)
{
key.Dispose();
throw;
}
RsaCipher rsaCipher = new RsaCipher();
rsaCipher._key = key;
return(rsaCipher);
}
}
}
finally
{
#if NETSTANDARD2_0
store.Dispose();
#endif
}
throw new InternalErrorException("Certificate not found: " + friendlyName);
}