Access token terminology

Learn key terms and concepts related to Vivox access tokens.

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Base64url encoding

Base64 encoding with all trailing '=' removed, '+' changed to '-', and '/' changed to '_'. For more information, see the IETF documentation on RFC 7515.
The following example is an implementation of base64url encoding in PHP:


function base64url_encoded($str) {return rtrim(strtr(base64_encoded($str), '+/', '-_'), '=')}

The following example is an implementation of base64url encoding in Python:


import base64def base64url_encode(s):"""Return a base64url-encoded str"""return base64.urlsafe_b64encode(s).rstrip('=')

For an example implementation of base64url encoding in C#, see the IETF documentation on RFC 7515.

URL and filename safe string

A string composed of characters found in the URL and filename safe Base64 alphabet. For more information, see the IETF documentation on RFC 4648.

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