encrypted
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- What's this?
encrypted()
public
Returns a jar that’ll automatically encrypt cookie values before sending them to the client and will decrypt them for read. If the cookie was tampered with by the user (or a 3rd party), nil will be returned.
If secret_key_base and secrets.secret_token (deprecated) are both set, legacy cookies signed with the old key generator will be transparently upgraded.
If config.action_dispatch.encrypted_cookie_salt and config.action_dispatch.encrypted_signed_cookie_salt are both set, legacy cookies encrypted with HMAC AES-256-CBC will be transparently upgraded.
This jar requires that you set a suitable secret for the verification on your app’s secret_key_base.
Example:
cookies.encrypted[:discount] = 45 # => Set-Cookie: discount=DIQ7fw==--K3n//8vvnSbGq9dA--7Xh91HfLpwzbj1czhBiwOg==; path=/ cookies.encrypted[:discount] # => 45