Sample code for 30+ languages & platforms
Xbase++

Load DER encoded X.509 Certificate (.cer, .crt)

See more Certificates Examples

Loads a digital certificate from a binary DER encoded X.509 Certificate (.cer, .crt) and fetches information about the cert.

Chilkat Xbase++ Downloads

Xbase++
LOCAL nSuccess
LOCAL oCert

nSuccess := 0

oCert := CreateObject("Chilkat.Cert")

//  LoadFromFile will load virtually any certificate format file.
//  It will auto-recognize the format and load appropiately.
nSuccess := oCert:LoadFromFile("/Users/chilkat/testData/cer/chilkat_ssl.cer")
IF (nSuccess != 1)
    ? oCert:LastErrorText
    oCert:destroy()
    RETURN
ENDIF

//  DN = "Distinguished Name"
? "SubjectDN:" + oCert:SubjectDN

? "Common Name:" + oCert:SubjectCN
? "Issuer Common Name:" + oCert:IssuerCN

? "Serial Number:" + oCert:SerialNumber

oCert:destroy()