(PHP 4 >= 4.2.0, PHP 5)openssl_csr_sign -- Sign a CSR with another certificate (or itself) and generate a certificate
openssl_csr_sign() generates an x509 certificate
resource from the
csr previously generated by
openssl_csr_new(), but it can also be the path to
a PEM encoded CSR when specified as
file://path/to/csr or an exported string generated
The generated certificate will be signed by
cacert is NULL,
the generated certificate will be a self-signed certificate.
priv_key is the private key that corresponds to
days specifies the length of time for which the
generated certificate will be valid, in days.
You can finetune the CSR signing by
See openssl_csr_new() for more information about
Since PHP 4.3.3 you can specify the serial number of issued certificate by
serial. In earlier versions, it was always 0.
Returns an x509 certificate resource on success, FALSE on failure.
Note: You need to have a valid openssl.cnf installed for this function to operate correctly. See the notes under the installation section for more information.
Example 1. openssl_csr_sign() example - signing a CSR (how to implement your own CA)