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(Visual FoxPro) Load Particular CA Certs into a Java KeyStore

Opens a PEM file containing many CA root certificates, and creates a Java keystore containing a subset of the certificates.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loJks
LOCAL loTroots
LOCAL lnSuccess
LOCAL loSbDn
LOCAL loSbAlias
LOCAL lnCaseSensitive
LOCAL i
LOCAL lnNumCerts
LOCAL lnNumAdded
LOCAL loCacert
LOCAL lnNumJksCerts

*  This requires the Chilkat API to have been previously unlocked.
*  See Global Unlock Sample for sample code.

loJks = CreateObject('Chilkat_9_5_0.JavaKeyStore')

loTroots = CreateObject('Chilkat_9_5_0.TrustedRoots')

*  Load certificates from a file.
lnSuccess = loTroots.LoadCaCertsPem("qa_data/curl_cacert.pem")
IF (lnSuccess <> 1) THEN
    ? loTroots.LastErrorText
    RELEASE loJks
    RELEASE loTroots
    CANCEL
ENDIF

loSbDn = CreateObject('Chilkat_9_5_0.StringBuilder')
loSbAlias = CreateObject('Chilkat_9_5_0.StringBuilder')
lnCaseSensitive = 0

i = 0
lnNumCerts = loTroots.NumCerts
lnNumAdded = 0
DO WHILE (i < lnNumCerts)
    loCacert = loTroots.GetCert(i)
    loSbDn.Clear()
    loSbDn.Append(loCacert.SubjectDN)
    IF (loSbDn.Contains("Entrust.net",lnCaseSensitive) = 1) THEN
        ? loCacert.SubjectDN

        *  The alias is an arbitrary unique string for each cert in the JKS.
        loSbAlias.Clear()
        loSbAlias.Append("cacert_")
        loSbAlias.AppendInt(i + 1)
        loJks.AddTrustedCert(loCacert,loSbAlias.GetAsString())
        lnNumAdded = lnNumAdded + 1
    ENDIF

    RELEASE loCacert
    i = i + 1
ENDDO

*  Verify the number of certs in the JKS equals the number we added.
lnNumJksCerts = loJks.NumTrustedCerts
? "NumTrustedCerts = " + STR(lnNumJksCerts)
IF (lnNumJksCerts <> lnNumAdded) THEN
    ? "Something is amiss!"
    RELEASE loJks
    RELEASE loTroots
    RELEASE loSbDn
    RELEASE loSbAlias
    CANCEL
ENDIF

*  Save the JKS.
lnSuccess = loJks.ToFile("myPassword","qa_data/jks/entrust_caCerts.jks")
IF (lnSuccess <> 1) THEN
    ? loJks.LastErrorText
    RELEASE loJks
    RELEASE loTroots
    RELEASE loSbDn
    RELEASE loSbAlias
    CANCEL
ENDIF

? "Success."

*  The output of this program when tested was:

*  C=US, O=Entrust.net, OU=www.entrust.net/CPS incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Secure Server Certification Authority
*  O=Entrust.net, OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.), OU=(c) 1999 Entrust.net Limited, CN=Entrust.net Certification Authority (2048)
*  C=US, O="Entrust, Inc.", OU=www.entrust.net/CPS is incorporated by reference, OU="(c) 2006 Entrust, Inc.", CN=Entrust Root Certification Authority
*  NumTrustedCerts = 3
*  Success.

RELEASE loJks
RELEASE loTroots
RELEASE loSbDn
RELEASE loSbAlias


 

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