private void Init()
{
var builder = new JsonWebKeyBuilder();
using (var rsa = RSA.Create())
{
var sig = builder.NewSign("1", new[]
{
KeyOperations.Sign,
KeyOperations.Verify
}).SetAlg(rsa, RSA256SignHandler.ALG_NAME).Build();
_jsonWebKeys = new[]
{
sig
};
}
}
private static IEnumerable <JsonWebKey> ExtractJsonWebKeys(Table table)
{
var builder = new JsonWebKeyBuilder();
var jwks = new List <JsonWebKey>();
foreach (var record in table.Rows)
{
var type = record["Type"];
var kid = record["Kid"];
var algName = record["AlgName"];
JsonWebKey jwk = null;
switch (type)
{
case "SIG":
if (algName.StartsWith("ES"))
{
using (var ec = new ECDsaCng())
{
jwk = builder.NewSign(kid, new[]
{
KeyOperations.Sign,
KeyOperations.Verify
}).SetAlg(ec, algName).Build();
}
}
else if (algName.StartsWith("HS"))
{
using (var hmac = new HMACSHA256())
{
jwk = builder.NewSign(kid, new[]
{
KeyOperations.Sign,
KeyOperations.Verify
}).SetAlg(hmac, algName).Build();
}
}
else
{
using (var rsa = RSA.Create())
{
jwk = builder.NewSign(kid, new[]
{
KeyOperations.Sign,
KeyOperations.Verify
}).SetAlg(rsa, algName).Build();
}
}
break;
case "ENC":
using (var rsa = RSA.Create())
{
jwk = builder.NewEnc(kid, new[]
{
KeyOperations.Encrypt,
KeyOperations.Decrypt
}).SetAlg(rsa, algName).Build();
}
break;
}
jwks.Add(jwk);
}
return(jwks);
}