public JsonWebKey Rotate(int expirationTimeInSeconds)
{
var result = new JsonWebKey
{
Kid = Guid.NewGuid().ToString(),
Alg = Alg,
KeyOperationLst = KeyOperationLst.Select(k => new JsonWebKeyKeyOperation
{
Operation = k.Operation
}).ToList(),
Kty = Kty,
Use = Use,
Content = new Dictionary <string, string>()
};
switch (result.Kty)
{
case KeyTypes.RSA:
using (var rsa = RSA.Create())
{
foreach (var kvp in rsa.ExtractPublicKey())
{
result.Content.Add(kvp.Key, kvp.Value);
}
foreach (var kvp in rsa.ExtractPrivateKey())
{
result.Content.Add(kvp.Key, kvp.Value);
}
}
break;
case KeyTypes.EC:
using (var ec = new ECDsaCng())
{
foreach (var kvp in ec.ExtractPublicKey())
{
result.Content.Add(kvp.Key, kvp.Value);
}
foreach (var kvp in ec.ExtractPrivateKey())
{
result.Content.Add(kvp.Key, kvp.Value);
}
}
break;
case KeyTypes.OCT:
using (var ec = new HMACSHA256())
{
result.Content = ec.ExportKey();
}
break;
}
RotationJWKId = result.Kid;
ExpirationDateTime = DateTime.UtcNow.AddSeconds(expirationTimeInSeconds);
return(result);
}
public object Clone()
{
return(new JsonWebKey
{
Alg = Alg,
KeyOperationLst = KeyOperationLst.Select(s => (JsonWebKeyKeyOperation)s.Clone()).ToList(),
Use = Use,
Kid = Kid,
Kty = Kty,
Content = Content == null ? new Dictionary <string, string>() : Content.ToDictionary(s => s.Key, s => s.Value),
RotationJWKId = RotationJWKId,
ExpirationDateTime = ExpirationDateTime
});
}