Return the oldCertID regCtrl from a CRMF CertReqMsg, if present.
Declared in <openssl/crmf.h>
OSSL_CRMF_CERTID*
OSSL_CRMF_MSG_get0_regCtrl_oldCertID(OSSL_CRMF_MSG const* msg);Internal CertId of the certificate being renewed, or NULL if absent; see RFC 4211 section 6.5.
| Name | Description |
|---|---|
| msg | CertReqMsg to query. |