This function checks the validity of a JWT token (JSON Web Token). For this purpose, its signature is checked.
Depending on the JWT algorithm used, either a certificate ID (parameter b) or the shared secret key (parameter c) must be specified.
The return value of the function is true or false.
Parameters
Parameter | Description |
|---|---|
a | The complete JWT string (encoded in Base64). |
b | ID of the certificate with the public key (for JWT algorithms RSx ,ESx ,PSx ). |
c | Shared secret key for HMAC signature (for JWT algorithms HSx). |
d | (optional) Name of a map into which the components of the JSON elements for payload and header are entered as key/value pairs. Header elements start with the keyword @JWTHEADER_. |