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(PHP Extension) Renew a DigiCert Certificate from an EST-enabled profileDemonstrates how to renew a certificate from an EST-enabled profile in DigiCert® Trust Lifecycle Manager. (The certificate must be within the renewal window configured in the certificate profile. The CSR must have same Subject DN values as the original certificate.)
<?php include("chilkat.php"); // Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0 // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // The example below duplicates the following OpenSSL commands: // // # Name of certificate as argument 1 // // # Make new key // openssl ecparam -name prime256v1 -genkey -noout -out ${1}.key.pem // // # Make csr // openssl req -new -sha256 -key ${1}.key.pem -out ${1}.p10.csr -subj "/CN=${1}" // // # Request new cert // curl -v --cacert data/ca.pem --cert data/${1}.pem --key data/${1}.key.pem // --data-binary @${1}.p10.csr -o ${1}.p7.b64 -H "Content-Type: application/pkcs10" https://clientauth.demo.one.digicert.com/.well-known/est/IOT/simplereenroll // // # Convert to PEM // openssl base64 -d -in ${1}.p7.b64 | openssl pkcs7 -inform DER -outform PEM -print_certs -out ${1}.pem // ------------------------------------------------------------------------------------------------------------------ // Create a Fortuna PRNG and seed it with system entropy. // This will be our source of random data for generating the ECC private key. $fortuna = new CkPrng(); $entropy = $fortuna->getEntropy(32,'base64'); $success = $fortuna->AddEntropy($entropy,'base64'); $ec = new CkEcc(); // Generate a random EC private key on the prime256v1 curve. // privKey is a CkPrivateKey $privKey = $ec->GenEccKey('prime256v1',$fortuna); if ($ec->get_LastMethodSuccess() != true) { print $ec->lastErrorText() . "\n"; exit; } // Create the CSR object and set properties. $csr = new CkCsr(); // Specify your CN $csr->put_CommonName('mysubdomain.mydomain.com'); // Create the CSR using the private key. $bdCsr = new CkBinData(); $success = $csr->GenCsrBd($privKey,$bdCsr); if ($success == false) { print $csr->lastErrorText() . "\n"; exit; } // Save the private key and CSR to files. $privKey->SavePkcs8EncryptedPemFile('password','c:/temp/qa_output/ec_privkey.pem'); $bdCsr->WriteFile('c:/temp/qa_output/csr.pem'); // ---------------------------------------------------------------------- // Now do the CURL request to POST the CSR and get the new certificate. $http = new CkHttp(); $tlsClientCert = new CkCert(); $success = $tlsClientCert->LoadFromFile('data/myTlsClientCert.pem'); if ($success == false) { print $tlsClientCert->lastErrorText() . "\n"; exit; } $bdTlsClientCertPrivKey = new CkBinData(); $success = $bdTlsClientCertPrivKey->LoadFile('data/myTlsClientCert.key.pem'); if ($success == false) { print 'Failed to load data/myTlsClientCert.key.pem' . "\n"; exit; } $tlsClientCertPrivKey = new CkPrivateKey(); $success = $tlsClientCertPrivKey->LoadAnyFormat($bdTlsClientCertPrivKey,''); if ($success == false) { print $tlsClientCertPrivKey->lastErrorText() . "\n"; exit; } $success = $tlsClientCert->SetPrivateKey($tlsClientCertPrivKey); if ($success == false) { print $tlsClientCert->lastErrorText() . "\n"; exit; } $http->SetSslClientCert($tlsClientCert); $http->put_RequireSslCertVerify(true); // The body of the HTTP request contains the binary CSR. // resp is a CkHttpResponse $resp = $http->PBinaryBd('POST','https://clientauth.demo.one.digicert.com/.well-known/est/IOT/simplereenroll',$bdCsr,'application/pkcs10',false,false); if ($http->get_LastMethodSuccess() == false) { print $http->lastErrorText() . "\n"; exit; } if ($resp->get_StatusCode() != 200) { print 'response status code = ' . $resp->get_StatusCode() . "\n"; print $resp->bodyStr() . "\n"; print 'Failed' . "\n"; exit; } // The response is the Base64 DER of the new certificate. $myNewCert = new CkCert(); $success = $myNewCert->LoadFromBase64($resp->bodyStr()); if ($success == false) { print $myNewCert->lastErrorText() . "\n"; print 'Cert data = ' . $resp->bodyStr() . "\n"; print 'Failed.' . "\n"; exit; } $success = $myNewCert->SaveToFile('c:/temp/qa_output/myNewCert.cer'); if ($success == false) { print $myNewCert->lastErrorText() . "\n"; print 'Failed.' . "\n"; exit; } print 'Success.' . "\n"; ?> |
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