Return whether a PKCS#7 content type is not one of the standard PKCS#7 content NIDs.
1 if the type is "other" (not data/signed/enveloped/signedAndEnveloped/digest/encrypted), or 0 if it matches a standard type.
| Name | Description |
|---|---|
| p7 | PKCS#7 object whose content type is examined. |