/// <summary>
/// Encodes this instance.
/// </summary>
public JwsPayload Sign(object payload, string nonce = null)
{
var jsonSettings = JsonUtil.CreateSettings();
var protectedHeader = new
{
nonce = nonce,
alg = keyPair.Algorithm.ToJwsAlgorithm(),
jwk = keyPair.JsonWebKey,
};
var entityJson = JsonConvert.SerializeObject(payload, Formatting.None, jsonSettings);
var protectedHeaderJson = JsonConvert.SerializeObject(protectedHeader, Formatting.None, jsonSettings);
var payloadEncoded = JwsConvert.ToBase64String(Encoding.UTF8.GetBytes(entityJson));
var protectedHeaderEncoded = JwsConvert.ToBase64String(Encoding.UTF8.GetBytes(protectedHeaderJson));
var signature = $"{protectedHeaderEncoded}.{payloadEncoded}";
var signatureBytes = Encoding.ASCII.GetBytes(signature);
var signedSignatureBytes = keyPair.SignData(signatureBytes);
var signedSignatureEncoded = JwsConvert.ToBase64String(signedSignatureBytes);
var body = new JwsPayload
{
Protected = protectedHeaderEncoded,
Payload = payloadEncoded,
Signature = signedSignatureEncoded
};
return(body);
}
public void CanConvertToBase64String()
{
foreach (var s in new[]
{
"a", "ab", "abc", "abcd"
})
{
var data = Encoding.UTF8.GetBytes(s);
var str = JwsConvert.ToBase64String(data);
var reverted = JwsConvert.FromBase64String(str);
Assert.Equal(data, reverted);
}
Assert.Throws <AcmeException>(() => JwsConvert.FromBase64String("/not a valid base 64 string/!"));
}
public void CanConvertToBase64String()
{
var data = Enumerable
.Range(0, 1000)
.Select(i => (byte)i)
.ToArray();
var str = JwsConvert.ToBase64String(data);
var reverted = JwsConvert.FromBase64String(str);
Assert.Equal(data, reverted);
Assert.Throws <Exception>(() => JwsConvert.FromBase64String("/not a valid base 64 string/!"));
}