Xbase++

Load a Private Key from PEM Text

Demonstrates the Chilkat PrivateKey.LoadPem method, which loads a private key from PEM text. The only argument is the PEM string. It has no password argument, so it cannot load an encrypted PEM — use LoadEncryptedPem for that.

Background: PEM is the Base64 text format (delimited by -----BEGIN----- lines) that most tooling uses for keys. This method is for the plain, unencrypted case where the key material sits in the clear inside the PEM — convenient, but it means the file itself is the only thing protecting the key. When the PEM is password-protected (a BEGIN ENCRYPTED PRIVATE KEY block or a legacy encrypted header), reach for the Encrypted loader instead.

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LOCAL nSuccess
LOCAL oPrivKey
LOCAL cPemText

nSuccess := 0

//  Demonstrates the PrivateKey.LoadPem method, which loads a private key from PEM text.  The only
//  argument is the PEM string.  This method has no password argument, so it cannot load an
//  encrypted PEM -- use LoadEncryptedPem for that.

oPrivKey := CreateObject("Chilkat.PrivateKey")

//  The PEM text of an unencrypted private key.
cPemText := "-----BEGIN PRIVATE KEY-----" + Chr(10) + "MIIEvAIBADANBgkq..." + Chr(10) + "-----END PRIVATE KEY-----"

nSuccess := oPrivKey:LoadPem(cPemText)
IF (nSuccess == 0)
    ? oPrivKey:LastErrorText
    oPrivKey:destroy()
    RETURN
ENDIF

? "Loaded a " + oPrivKey:KeyType + " private key."

oPrivKey:destroy()