Still working towards the signature, installing Snow Leopard now to try to help.

registration/session.response.b64

@@ -0,0 +1,2 @@
+Api9Bkom0cX8kfmN7gssf0AAAAJQq+ButOfm1Wxy9vVb4rjd7ec6CKxxKd4x7ARgNiRbGtM2IDMrnw0lnzNAJ+cIFccd84y49XyRZ1u2+/q6KJA4AzNyXs0TZfqkvpusL6eF1rkCgVYBMEVv7+5zFnU/nsAVCaPAzYtCOlXs1mDE8NibTbZI1kz/ElFXaYG9eb94WD/TiteVc/IJ4zf4TRypTyjNDIUqOkHEbKmRi7n5KNRmrcfhPkzNxz2wGYi8e3uCP/WycBFzvM1RcrJnASAqDc80J57lYVVep0vA30VnI05mnvTYohuPgCzvAm+E/nRUwwpPw5emBToNPCvv/EWd4H+yiH+DgTw6VGJXS26OaPznq/RzhR/RQueCIcsKBviS/6cVlLzmtAWL2+Do7tqjHNaAt1A6hWACeF4jEKVUkZ2pY98xGSVGimbohETXuCcq6BDX7nLEH9/NgCBR/AUKPCItMBElyNlRqTj6Wl01lmV7H+1qj3WbCHDxBeYy/A6JYrG24/3oXcXeDzx9FJFtPzohpKbfhWrCoGCotXSLQJILvPHaNUGIY0TwJpnPJQeDv77SfnoDbpPWi8Y4lQMJuhwiAFuVMMGfIp2pkk8yxvAH2WITfCE+ejLo0ml8xMk1XNCtgv2zYNNVr/fbS5xj9oZ/yyxsKZqWnnf+3NGe6GEVIcv07scWcOOCH/19P6kdkSQAkIEUsNiC0Kh9k7BnHcHsNbw7mogIoCjQemn8ctBJdKIVlFwB8DaX/IFmTON/a++ShvyWzxge43Hs8vv0vS1dFGBhLoNyHy2EJfO5Mm+6ywG+nkqoSmXsvcNpJaYp1tUuoINlqAAAADYFBQ3NMQB1hSmNc2auA9w4CCRdop422bk/aIhSqd5PkTGDVzJ3003DWcFvkPhhptJww8zgze9XAEwA
+

signature/README.md

@@ -9,3 +9,5 @@ The signatures of the request seem to have two parts, a longer top part, and a s
 The payload is in between these two parts.
 
 A 32-bit big endian unsigned number represents the payload size, and directly following the payload is a 32-bit big endian unsigned number representing the remaining bytes in the signature (however do note that there seem to be two trailing null characters).
+
+The first section contains what seems to be a header, then a length for some signature data at position 0x4A.