public void AddHeader_BeyondCapacity()
{
const int Count = 20;
var cache = new JwtHeaderCache();
var rawHeaders = new byte[Count][];
for (int i = 0; i < Count; i++)
{
rawHeaders[i] = new byte[32];
RandomNumberGenerator.Fill(rawHeaders[i]);
JwtHeader header = JwtHeader.FromJson($"{{\"kid\":\"{i}\"}}");
cache.AddHeader(rawHeaders[i], header);
Assert.Equal(header, cache.Head);
}
Assert.Equal("19", cache.Head.Kid);
Assert.Equal("10", cache.Tail.Kid);
for (int i = 0; i < 10; i++)
{
Assert.False(cache.TryGetHeader(rawHeaders[i], out var header));
}
for (int i = 10; i < Count; i++)
{
Assert.True(cache.TryGetHeader(rawHeaders[i], out var header));
}
}
public void AddHeader_Lru()
{
var cache = new JwtHeaderCache();
var rawHeaders = new byte[10][];
for (int i = 0; i < 10; i++)
{
rawHeaders[i] = new byte[32];
RandomNumberGenerator.Fill(rawHeaders[i]);
JwtHeader header = JwtHeader.FromJson($"{{\"kid\":\"{i}\"}}");
cache.AddHeader(rawHeaders[i], header);
}
for (int i = 0; i < 10; i++)
{
Assert.True(cache.TryGetHeader(rawHeaders[i], out var header));
Assert.Equal(header, cache.Head);
Assert.NotEqual(header, cache.Tail);
}
}
public void Unwrap2()
{
var kwp = new EcdhKeyWrapper(_bobKey, EncryptionAlgorithm.Aes128CbcHmacSha256, KeyManagementAlgorithm.EcdhEsAes128KW);
byte[] wrappedKey = new byte[kwp.GetKeyWrapSize()];
var header = new JwtObject();
header.Add(new JwtProperty(HeaderParameters.ApuUtf8, Base64Url.Encode("Alice")));
header.Add(new JwtProperty(HeaderParameters.ApvUtf8, Base64Url.Encode("Bob")));
var cek = kwp.WrapKey(_aliceKey, header, wrappedKey);
var kuwp = new EcdhKeyUnwrapper(_bobKey, EncryptionAlgorithm.Aes128CbcHmacSha256, KeyManagementAlgorithm.EcdhEsAes128KW);
var apu = Encoding.UTF8.GetString(Base64Url.Encode("Alice"));;
var apv = Encoding.UTF8.GetString(Base64Url.Encode("Bob"));
var epk = ((JwtObject)header[HeaderParameters.EpkUtf8].Value).ToString();
var jwtHeader = JwtHeader.FromJson($"{{\"apu\":\"{apu}\",\"apv\":\"{apv}\",\"epk\":{epk}}}");
byte[] unwrappedKey = new byte[kuwp.GetKeyUnwrapSize(wrappedKey.Length)];
var unwrapped = kuwp.TryUnwrapKey(wrappedKey, unwrappedKey, jwtHeader, out int bytesWritten);
Assert.True(unwrapped);
}