openssl_csr_sign Sign a CSR with another certificate (or itself) and generate a certificate &reftitle.description; resourceopenssl_csr_sign mixedcsr mixedcacert mixedpriv_key intdays arrayconfigargs intserial0 openssl_csr_sign generates an x509 certificate resource from the given CSR. ¬e.openssl.cnf; &reftitle.parameters; csr A CSR previously generated by openssl_csr_new. It can also be the path to a PEM encoded CSR when specified as file://path/to/csr or an exported string generated by openssl_csr_export. cacert The generated certificate will be signed by cacert. If cacert is &null;, the generated certificate will be a self-signed certificate. priv_key priv_key is the private key that corresponds to cacert. days days specifies the length of time for which the generated certificate will be valid, in days. configargs You can finetune the CSR signing by configargs. See openssl_csr_new for more information about configargs. serial An optional the serial number of issued certificate. If not specified it will default to 0. &reftitle.returnvalues; Returns an x509 certificate resource on success, &false; on failure. &reftitle.examples; <function>openssl_csr_sign</function> example - signing a CSR (how to implement your own CA) ]]>