Xbase++ Requires Chilkat v11.0.0+

Load Java KeyStore and Access Contents

See more Java KeyStore (JKS) Examples

Loads a Java keystore file and iterates over the contents. A Java keystore (.jks) file can contain one or more trusted root certificate entries and/or one or more private key entries. Each private key entry includes an associated certificate chain. Xbase++

LOCAL nSuccess
LOCAL oJks
LOCAL nNumTrustedCerts
LOCAL nNumPrivateKeys
LOCAL oCert
LOCAL cAlias
LOCAL i
LOCAL oPrivKey
LOCAL oCertChain

nSuccess := 0

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

oJks := CreateObject("Chilkat.JavaKeyStore")

//  Load the Java keystore from a file.  The JKS file password is used
//  to verify the keyed digest that is found at the very end of the keystore.
//  It verifies there has been no tampering with the file.
nSuccess := oJks:LoadFile("jksFilePassword", "/someDir/keyStore.jks")
IF (nSuccess == 0)
    ? oJks:LastErrorText
    oJks:destroy()
    RETURN
ENDIF

//  Find out how many of each type of entry:
nNumTrustedCerts := oJks:NumTrustedCerts
nNumPrivateKeys := oJks:NumPrivateKeys

oCert := CreateObject("Chilkat.Cert")

//  For each trusted certificate, access it by getting
//  it as a cert object.  Also get the alias associated with the certificate.
? "Trusted Certs:"
i := 0
DO WHILE i < nNumTrustedCerts
    nSuccess := oJks:TrustedCertAt(i, oCert)
    ? oJks:GetTrustedCertAlias(i) + ": " + oCert:SubjectDN
    i := i + 1
ENDDO

oPrivKey := CreateObject("Chilkat.PrivateKey")
oCertChain := CreateObject("Chilkat.CertChain")

//  For each private key entry, get the private key and
//  the associated certificate chain.
//  Each private key is password protected.  Usually it is the same
//  password as used for the keyed digest of the entire JKS.  
//  However, this does not have to be.  The password is passed
//  here to handle the possibility of each private key requiring
//  a different password.
? "Private Keys:"
i := 0
DO WHILE i < nNumPrivateKeys
    oJks:PrivateKeyAt("jksFilePassword", i, oPrivKey)
    ? oJks:GetPrivateKeyAlias(i)
    oJks:CertChainAt(i, oCertChain)

    //  The 1st certificate in the chain is the one associated with the private key.
    oCertChain:CertAt(0, oCert)
    ? oCert:SubjectDN

    i := i + 1
ENDDO

oJks:destroy()
oCert:destroy()
oPrivKey:destroy()
oCertChain:destroy()