Lianja

PKCS11 Export Public Key from HSM

See more PKCS11 Examples

Demonstrates how to export a public key from a smartcard or token. Lianja

llSuccess = .F.

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

// Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

loPkcs11 = createobject("CkPkcs11")

// Use the PKCS11 driver (.dll, .so, .dylib) for your particular HSM.
// (The format of the path will change with the operating system.  Obviously, "C:/" is not used on non-Windows systems.
loPkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll"

// Establish a logged-on session. (We can typically skip the login by passing an empty PIN if only working with public keys)
// Use your actual PIN here, or an empty string to skip login.
lcPin = "0000"
lnUserType = 1
llSuccess = loPkcs11.QuickSession(lnUserType,lcPin)
if (llSuccess = .F.) then
    ? loPkcs11.LastErrorText
    release loPkcs11
    return
endif

// Get the handle of the public key we wish to export.
// You can find public keys in many different ways.
// This example will search for a public key by label.

// Provide a template to find a PKCS11 object.
loJsonTemplate = createobject("CkJsonObject")

// Find the public key with the label "Belgium eHealth".
loJsonTemplate.UpdateString("class","public_key")
loJsonTemplate.UpdateString("label","Belgium eHealth")

lnPubKeyHandle = loPkcs11.FindObject(loJsonTemplate)
if (lnPubKeyHandle = 0) then
    ? loPkcs11.LastErrorText
    release loPkcs11
    release loJsonTemplate
    return
endif

// Export to a Chilkat public key object.
loPubKey = createobject("CkPublicKey")
llSuccess = loPkcs11.ExportPublicKey(lnPubKeyHandle,loPubKey)
if (llSuccess = .F.) then
    ? loPkcs11.LastErrorText
    release loPkcs11
    release loJsonTemplate
    release loPubKey
    return
endif

// Get the public key as PKCS8 PEM.
? loPubKey.GetPem(.F.)

loPkcs11.Logout()
loPkcs11.CloseSession()


release loPkcs11
release loJsonTemplate
release loPubKey