/// <summary>
/// Creates a new RSA security key.
/// </summary>
/// <returns></returns>
public static RsaSecurityKey CreateRsaSecurityKey()
{
var rsa = RSA.Create();
#if NET452
if (rsa.KeySize < 2048)
{
rsa.Dispose();
rsa = new RSACryptoServiceProvider(2048);
}
#endif
RsaSecurityKey key = null;
#if NET452
if (rsa is RSACryptoServiceProvider)
{
var parameters = rsa.ExportParameters(includePrivateParameters: true);
key = new RsaSecurityKey(parameters);
rsa.Dispose();
}
#endif
if (key == null)
{
key = new RsaSecurityKey(rsa);
}
key.KeyId = CryptoRandom.CreateUniqueId(16);
return(key);
}
/// <summary>
/// Sets the temporary signing credential.
/// </summary>
/// <param name="builder">The builder.</param>
/// <returns></returns>
public static IIdentityServerBuilder AddTemporarySigningCredential(this IIdentityServerBuilder builder)
{
var rsa = RSA.Create();
#if NET452
if (rsa.KeySize < 2048)
{
rsa.Dispose();
rsa = new RSACryptoServiceProvider(2048);
}
#endif
RsaSecurityKey key = null;
#if NET452
if (rsa is RSACryptoServiceProvider)
{
var parameters = rsa.ExportParameters(includePrivateParameters: true);
key = new RsaSecurityKey(parameters);
rsa.Dispose();
}
#endif
if (key == null)
{
key = new RsaSecurityKey(rsa);
}
key.KeyId = CryptoRandom.CreateUniqueId(16);
var credential = new SigningCredentials(key, "RS256");
return(builder.AddSigningCredential(credential));
}
/// <summary>
/// Creates a new RSA security key.
/// </summary>
/// <returns></returns>
public static RsaSecurityKey CreateRsaSecurityKey()
{
RSA rsa = RSA.Create();
RsaSecurityKey key;
if (rsa is RSACryptoServiceProvider)
{
rsa.Dispose();
var cng = new RSACng(2048);
var parameters = cng.ExportParameters(includePrivateParameters: true);
key = new RsaSecurityKey(parameters);
}
else
{
rsa.KeySize = 2048;
key = new RsaSecurityKey(rsa);
}
key.KeyId = CryptoRandom.CreateUniqueId(16);
return(key);
}