public void TestParseJweHeader_ShouldCorrectlyParseJweHeader()
{
JweHeader header = JweHeader.Parse("eyJraWQiOiI3NjFiMDAzYzFlYWRlM2E1NDkwZTUwMDBkMzc4ODdiYWE1ZTZlYzBlMjI2YzA3NzA2ZTU5OTQ1MWZjMDMyYTc5IiwiY3R5IjoiYXBwbGljYXRpb25cL2pzb24iLCJlbmMiOiJBMjU2R0NNIiwiYWxnIjoiUlNBLU9BRVAtMjU2In0");
Assert.AreEqual("A256GCM", header.Enc);
Assert.AreEqual("RSA-OAEP-256", header.Alg);
Assert.AreEqual("application/json", header.Cty);
Assert.AreEqual("761b003c1eade3a5490e5000d37887baa5e6ec0e226c07706e599451fc032a79", header.Kid);
}
public void TestToJson_ShouldReturnJsonJweHeader()
{
JweHeader header = new JweHeader("RSA-OAEP-256", "A256GCM", "123", "application/json");
Assert.AreEqual(
"{\"kid\":\"123\",\"cty\":\"application/json\",\"enc\":\"A256GCM\",\"alg\":\"RSA-OAEP-256\"}",
header.Json.ToString(Formatting.None)
);
}
public static JweEncryptedPayload CreateFromEncryptedPayload(string payloadB64, List <X509Certificate2> issuerEncryptionCerts)
{
var splitPayload = payloadB64.SplitInToSections();
var header = JweHeader.CreateFromEncryptedHeader(splitPayload[0]);
var encryptionPrivateKey = FindPrivateKeyForEncryptionCert(issuerEncryptionCerts, header.Certs.FirstOrDefault());
return(new JweEncryptedPayload
{
Header = JweHeader.CreateFromEncryptedHeader(splitPayload[0]),
AuthTag = splitPayload[4],
ClearTextMessage = Decode(payloadB64, encryptionPrivateKey)
});
}
