Sample code for 30+ languages & platforms
SQL Server

Renew a DigiCert Certificate from an EST-enabled profile

See more Certificates Examples

Demonstrates 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.)

Chilkat SQL Server Downloads

SQL Server
-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 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.
    DECLARE @fortuna int
    EXEC @hr = sp_OACreate 'Chilkat.Prng', @fortuna OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @entropy nvarchar(4000)
    EXEC sp_OAMethod @fortuna, 'GetEntropy', @entropy OUT, 32, 'base64'
    EXEC sp_OAMethod @fortuna, 'AddEntropy', @success OUT, @entropy, 'base64'

    DECLARE @ec int
    EXEC @hr = sp_OACreate 'Chilkat.Ecc', @ec OUT

    -- Generate a random EC private key on the prime256v1 curve.
    DECLARE @privKey int
    EXEC @hr = sp_OACreate 'Chilkat.PrivateKey', @privKey OUT

    EXEC sp_OAMethod @ec, 'GenKey', @success OUT, 'prime256v1', @fortuna, @privKey
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @ec, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        RETURN
      END

    -- Create the CSR object and set properties.
    DECLARE @csr int
    EXEC @hr = sp_OACreate 'Chilkat.Csr', @csr OUT

    -- Specify your CN
    EXEC sp_OASetProperty @csr, 'CommonName', 'mysubdomain.mydomain.com'

    -- Create the CSR using the private key.
    DECLARE @bdCsr int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdCsr OUT

    EXEC sp_OAMethod @csr, 'GenCsrBd', @success OUT, @privKey, @bdCsr
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @csr, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        RETURN
      END

    -- Save the private key and CSR to files.
    EXEC sp_OAMethod @privKey, 'SavePkcs8EncryptedPemFile', @success OUT, 'password', 'c:/temp/qa_output/ec_privkey.pem'

    EXEC sp_OAMethod @bdCsr, 'WriteFile', @success OUT, 'c:/temp/qa_output/csr.pem'

    -- ----------------------------------------------------------------------
    -- Now do the CURL request to POST the CSR and get the new certificate.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat.Http', @http OUT

    DECLARE @tlsClientCert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @tlsClientCert OUT

    EXEC sp_OAMethod @tlsClientCert, 'LoadFromFile', @success OUT, 'data/myTlsClientCert.pem'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @tlsClientCert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        RETURN
      END

    DECLARE @bdTlsClientCertPrivKey int
    EXEC @hr = sp_OACreate 'Chilkat.BinData', @bdTlsClientCertPrivKey OUT

    EXEC sp_OAMethod @bdTlsClientCertPrivKey, 'LoadFile', @success OUT, 'data/myTlsClientCert.key.pem'
    IF @success = 0
      BEGIN

        PRINT 'Failed to load data/myTlsClientCert.key.pem'
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        RETURN
      END

    DECLARE @tlsClientCertPrivKey int
    EXEC @hr = sp_OACreate 'Chilkat.PrivateKey', @tlsClientCertPrivKey OUT

    EXEC sp_OAMethod @tlsClientCertPrivKey, 'LoadAnyFormat', @success OUT, @bdTlsClientCertPrivKey, ''
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @tlsClientCertPrivKey, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        RETURN
      END

    EXEC sp_OAMethod @tlsClientCert, 'SetPrivateKey', @success OUT, @tlsClientCertPrivKey
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @tlsClientCert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        RETURN
      END

    EXEC sp_OAMethod @http, 'SetSslClientCert', @success OUT, @tlsClientCert

    EXEC sp_OASetProperty @http, 'RequireSslCertVerify', 1

    -- The body of the HTTP request contains the binary CSR.
    DECLARE @resp int
    EXEC @hr = sp_OACreate 'Chilkat.HttpResponse', @resp OUT

    DECLARE @url nvarchar(4000)
    SELECT @url = 'https://clientauth.demo.one.digicert.com/.well-known/est/IOT/simplereenroll'
    EXEC sp_OAMethod @http, 'HttpBd', @success OUT, 'POST', @url, @bdCsr, 'application/pkcs10', @resp
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
    IF @iTmp0 <> 200
      BEGIN

        EXEC sp_OAGetProperty @resp, 'StatusCode', @iTmp0 OUT
        PRINT 'response status code = ' + @iTmp0
        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed'
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @resp
        RETURN
      END

    -- The response is the Base64 DER of the new certificate.
    DECLARE @myNewCert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @myNewCert OUT

    EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
    EXEC sp_OAMethod @myNewCert, 'LoadFromBase64', @success OUT, @sTmp0
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @myNewCert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0

        EXEC sp_OAGetProperty @resp, 'BodyStr', @sTmp0 OUT
        PRINT 'Cert data = ' + @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @resp
        EXEC @hr = sp_OADestroy @myNewCert
        RETURN
      END

    EXEC sp_OAMethod @myNewCert, 'SaveToFile', @success OUT, 'c:/temp/qa_output/myNewCert.cer'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @myNewCert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @fortuna
        EXEC @hr = sp_OADestroy @ec
        EXEC @hr = sp_OADestroy @privKey
        EXEC @hr = sp_OADestroy @csr
        EXEC @hr = sp_OADestroy @bdCsr
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @tlsClientCert
        EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
        EXEC @hr = sp_OADestroy @resp
        EXEC @hr = sp_OADestroy @myNewCert
        RETURN
      END


    PRINT 'Success.'

    EXEC @hr = sp_OADestroy @fortuna
    EXEC @hr = sp_OADestroy @ec
    EXEC @hr = sp_OADestroy @privKey
    EXEC @hr = sp_OADestroy @csr
    EXEC @hr = sp_OADestroy @bdCsr
    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @tlsClientCert
    EXEC @hr = sp_OADestroy @bdTlsClientCertPrivKey
    EXEC @hr = sp_OADestroy @tlsClientCertPrivKey
    EXEC @hr = sp_OADestroy @resp
    EXEC @hr = sp_OADestroy @myNewCert


END
GO