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Add some details to zeroconf authentication

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Paul Lietar 2016-01-02 14:49:51 +01:00
parent efef614731
commit cf57274f9c
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docs/authentication.md
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@ -28,6 +28,9 @@ blob used to authenticate with Spotify's servers.
The blob is decrypted using the following algorithm. The blob is decrypted using the following algorithm.
``` ```
# encrypted_blob is the blob sent by the controller, decoded using base64
# shared_secret is the result of the DH key exchange
IV = encrypted_blob[:0x10] IV = encrypted_blob[:0x10]
expected_mac = encrypted_blob[-0x14:] expected_mac = encrypted_blob[-0x14:]
encrypted = encrypted_blob[0x10:-0x14] encrypted = encrypted_blob[0x10:-0x14]