Mints a token: an ES256 JWS signed with the browser device key, encrypted as a JWE to the browser device encryption key.
the device id
the owner's username
the token's generation
the compact JWE, or null (logged under STS-DEVICE-0043) when it would not fit in a cookie
Mints a token: an ES256 JWS signed with the browser device key, encrypted as a JWE to the browser device encryption key.