Store application-specific data on an SSL_CTX at a previously allocated index.
1 on success, or 0 on failure.
| Name | Description |
|---|---|
| ssl | SSL context that owns the ex_data table. |
| idx | Index from SSL_CTX_get_ex_new_index() (or CRYPTO_get_ex_new_index). |
| data | Pointer to store; ownership remains with the caller unless freef was configured. |