Visual FoxPro

Export a Certificate's Private Key to Various Formats

See more Certificates Examples

Loads a digital certificate and private key from a PFX file (also known as PKCS#12) and exports the private key to various formats: (1) PKCS8 Encrypted, (2) PKCS8 Encrypted PEM, (3) PKCS8 unencrypted, (4) PKCS8 PEM unencrypted, (5) RSA DER unencrypted, (6) RSA PEM unencrypted, (7) XML. Visual FoxPro

LOCAL lnSuccess
LOCAL loCert
LOCAL lcPfxFilename
LOCAL lcPfxPassword
LOCAL loPrivKey
LOCAL lcPassword
LOCAL lcPath

lnSuccess = 0

loCert = CreateObject('Chilkat.Cert')

* Load from the PFX file
lcPfxFilename = "/Users/chilkat/testData/pfx/chilkat_ssl_pwd_is_test.pfx"
lcPfxPassword = "test"

* A PFX typically contains certificates in the chain of authentication.
* The Chilkat cert object will choose the certificate w/
* private key farthest from the root authority cert.
* To access all the certificates in a PFX, use the 
* Chilkat certificate store object instead.
lnSuccess = loCert.LoadPfxFile(lcPfxFilename,lcPfxPassword)
IF (lnSuccess = 0) THEN
    ? loCert.LastErrorText
    RELEASE loCert
    CANCEL
ENDIF

* Get the private key...
loPrivKey = CreateObject('Chilkat.PrivateKey')
lnSuccess = loCert.GetPrivateKey(loPrivKey)
IF (lnSuccess = 0) THEN
    ? loCert.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* Export to various formats:

lcPassword = "secret"

* PKCS8 Encrypted DER
lcPath = "/Users/chilkat/testData/privkeys/chilkat_pkcs8_enc.der"
lnSuccess = loPrivKey.SavePkcs8EncryptedFile(lcPassword,lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* PKCS8 Encrypted PEM
lcPath = "/Users/chilkat/testData/privkeys/chilkat_pkcs8_enc.pem"
lnSuccess = loPrivKey.SavePkcs8EncryptedPemFile(lcPassword,lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* PKCS8 Unencrypted DER
lcPath = "/Users/chilkat/testData/privkeys/chilkat_pkcs8.der"
lnSuccess = loPrivKey.SavePkcs8File(lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* PKCS8 Unencrypted PEM
lcPath = "/Users/chilkat/testData/privkeys/chilkat_pkcs8.pem"
lnSuccess = loPrivKey.SavePkcs8PemFile(lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

*  RSA DER (unencrypted)
lcPath = "/Users/chilkat/testData/privkeys/chilkat_rsa.der"
lnSuccess = loPrivKey.SavePkcs1File(lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* RSA PEM (unencrypted)
lcPath = "/Users/chilkat/testData/privkeys/chilkat_rsa.pem"
lnSuccess = loPrivKey.SavePemFile(lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

* XML (unencrypted)
lcPath = "/Users/chilkat/testData/privkeys/chilkat.xml"
lnSuccess = loPrivKey.SaveXmlFile(lcPath)
IF (lnSuccess = 0) THEN
    ? loPrivKey.LastErrorText
    RELEASE loCert
    RELEASE loPrivKey
    CANCEL
ENDIF

? "Private key exported to various formats."

RELEASE loCert
RELEASE loPrivKey