Add master payload parsing error to encryption error type

Author: contested-space

lib/ex_uid2/encryption.ex

@@ -14,6 +14,7 @@ defmodule ExUid2.Encryption do
    :base_64_decoding_error
    | :cannot_decrypt_payload
    | :invalid_master_payload
+   | :cannot_parse_encrypted_master_payload
    | :invalid_v2_identity_payload
    | :invalid_v3_identity_payload
    | :no_keyring_stored

lib/ex_uid2/encryption/master_payload.ex

@@ -46,7 +46,7 @@ defmodule ExUid2.Encryption.MasterPayload do
       parse_v3(decrypted_bin)
     else
       {:parse_payload, _} ->
-        {:error, :cannot_parse_encrypted_payload}
+        {:error, :cannot_parse_encrypted_master_payload}
 
       {:decrypt, error} ->
         error

test/master_payload_test.exs test/encryption/master_payload_test.exstest/master_payload_test.exs renamed to test/encryption/master_payload_test.exs

@@ -12,6 +12,6 @@ defmodule Test.Encryption.MasterPayload do
 
     token = %EncryptedToken{version: 3, master_payload: master_payload}
 
-    {:error, :cannot_parse_encrypted_payload} = MasterPayload.decrypt(token, key)
+    {:error, :cannot_parse_encrypted_master_payload} = MasterPayload.decrypt(token, key)
   end
 end