(Visual FoxPro) Get Text Certificate Extensions by OID

See more Certificates Examples

Demonstrates how to get text certificate extensions by OID. In this example, we have a certificate with the following OID extensions: 1.3.6.1.4.1.49952.5.8.5, 1.3.6.1.4.1.49952.5.8.6, 1.3.6.1.4.1.49952.5.8.7.

Most certificate extensions have values that are ASN.1 (binary). For the majority of cases, an application should call GetExtensionAsXml. For extensions known to have text values (such as the OIDs listed above), an application can instead call GetExtensionAsText.

The GetExtensionAsText method is added in Chilkat v9.5.0.89.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

LOCAL loCert
LOCAL lnSuccess
LOCAL lcOid
LOCAL lcStr

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Cert')
loCert = CreateObject('Chilkat.Cert')

lnSuccess = loCert.LoadFromFile("qa_data/certs/PUH9.cer")
IF (lnSuccess = 0) THEN
    ? loCert.LastErrorText
    RELEASE loCert
    CANCEL
ENDIF

lcOid = "1.3.6.1.4.1.49952.5.8.5"
lcStr = loCert.GetExtensionAsText(lcOid)
IF (loCert.LastMethodSuccess = 1) THEN
    ? lcOid + ": " + lcStr
ENDIF

lcOid = "1.3.6.1.4.1.49952.5.8.6"
lcStr = loCert.GetExtensionAsText(lcOid)
IF (loCert.LastMethodSuccess = 1) THEN
    ? lcOid + ": " + lcStr
ENDIF

lcOid = "1.3.6.1.4.1.49952.5.8.7"
lcStr = loCert.GetExtensionAsText(lcOid)
IF (loCert.LastMethodSuccess = 1) THEN
    ? lcOid + ": " + lcStr
ENDIF

RELEASE loCert