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stumped2/known vs not known backed IA

Created March 10, 2014 22:24
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known vs not known backed IA
KNOWN GOOD BACKED IA:
eyJhbGciOiJSUzI1NiJ9.
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.
b0XmFCgqHvPBErz3S542nwm98oDfMNzKOD7UTk67WlYE1oh2WzHw_gEGp9YwBBxCaSwrLqVwFbb0W-cIM9znDX9AC1peBxG6_fBm3G1c1O4vzffsPEa4qWRwaggsjwRVfV7Wx30W5fSUVoKArsSZ-cSDgrF7tX5wdvQaqI5GXIqIoXv3D3aWtUHdO3QJAyjPT0YEn_OMTEHkkoWMGcxP7HancV24HJADtnnhbdh1d7xk083R8WhkmCG1ih25Mj4kWA-wcxk7xBI9b3G46es8wjalHYtdbP52ZsC4rhat5K3f-knAsONQ27Ks_TjMOcS0qvBAYl6CbDyyYLvq0Ok9xQ
~
24Ttt4Mms8X4dFZs1xjrTQ.
jFn21BWfYguoqF7uoOul8UFUCuB0vMXvhMx5cGswta8bK36Db1DHXrTbO0d82RxOt7mU8vG5gpQ1SAjD-2thxA.1394232380211.2419200000.
wpbDpjUqCR3DpsKGWcKBw7bCkTfCtTvDvz4twpxfwqsdw5rDnVpFwqnDvmxRwr_Dvg
MY BACKED IA:
eyJhbGciOiJSUzI1NiJ9.
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.
nI6wr4Qct6oCev8_01RksPnf0Ka6yKzGaBgPW3-QoNGzWtYNQEnjzetloep5XuMAV-YW75MRlQSzrAIfepkY3Yvu4RfsvPH-GVQNOz2ZAWHHmzWzLZZqEDVVrUHA0vuS8hyGx2YPvFMG3ObaRNUCcez-8xJ5VAwDFsKnklDBemoCqdphDx_nKAi1pRAS769OqRLbZ5zkkHohlCvfNlZwZQF6is_PJ46R0d7vtJ31gw_QKf_4YPYzTEFtj0Y8zfaMolh9plTjVY2QdELR7lY4BlZ35CRc8jcByluOGvJpXG0hA7BTRbeYnGYbYmFnrAyxdMQ-Pslfoa_gNSUXCRQpaQ
~
EUMIcGJ9JQkmX_6grf97Nw.
HdfE8tuilpUkfhq9Dg2Sh5Pcosy2B5HhZusn4NC2COmW--7GTbU40cOWXOFowN4cDwjPXo1a_oZ5WBjxkeSYKJTWEWg99K609Lbz_JtQkAOU37eb952ha-uu6xXwXaOWrZCjLKcNcVt5165gKu6-T8SIaY9Dp_RAA9F3L8jIP4s.1394487905619.2419200000.
HHYAw61LYUjDvTDCq8OzPcKZfE4ww6wqcjfCiE44D8KLw5p5w7wxw5sAw4E
@callahad
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The important thing to note is that the format is A.B.C~X.Y.Z, where A, B, X, and Y are base64url-encoded JSON (with padding = characters stripped), and C and Z are signatures of the above.

Thus, you should only see four . characters and a single ~ character. In both of your assertions, the header and the payload (X and Y) don't seem to be valid base64 strings :)

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