public static byte[][] Parse(string token)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
string[] parts = token.Split('.');
var result = new byte[parts.Length][];
for (int i = 0; i < parts.Length; i++)
{
result[i] = Base64Url.Decode(parts[i]);
}
return(result);
}
private static JweToken ParseJson(IDictionary <string, object> json)
{
var recipients = new List <JweRecipient>();
IEnumerable _recipients = Dictionaries.Get <IEnumerable>(json, "recipients");
if (_recipients != null)
{
foreach (IDictionary <string, object> recipient in _recipients)
{
byte[] encryptedCek = Base64Url.Decode(Dictionaries.Get <string>(recipient, "encrypted_key"));
recipients.Add(new JweRecipient(encryptedCek, Dictionaries.Get <IDictionary <string, object> >(recipient, "header")));
}
}
else if (recipients.Count == 0)
{
byte[] encryptedCek = Base64Url.Decode(Dictionaries.Get <string>(json, "encrypted_key"));
recipients.Add(new JweRecipient(encryptedCek, new Dictionary <string, object> {
{ "alg", "A256KW" }
}));
//recipients.Add(new JweRecipient(encryptedCek, Dictionaries.Get<IDictionary<string, object>>(json, "header")));
}
var _protected = Dictionaries.Get <string>(json, "protected");
var _aad = Dictionaries.Get <string>(json, "aad");
return(new JweToken(
protectedHeaderBytes: _protected == null ? new byte[0] : Base64Url.Decode(_protected),
unprotectedHeader: Dictionaries.Get <IDictionary <string, object> >(json, "unprotected"),
aad: _aad == null ? null : Base64Url.Decode(_aad),
recipients: recipients,
iv: Base64Url.Decode(Dictionaries.Get <string>(json, "iv")),
ciphertext: Base64Url.Decode(Dictionaries.Get <string>(json, "ciphertext")),
authTag: Base64Url.Decode(Dictionaries.Get <string>(json, "tag")),
encoding: SerializationMode.Json));
}
