Visual Basic 6.0

PKCS11 Generate a Session RSA Key on the HSM

See more PKCS11 Examples

Generates an RSA key on the smart card or token and returns the public and private key handles. The generated RSA key exists only for the duration of the PKCS11 session.

Note: This example requires Chilkat v9.5.0.96 or later.

Visual Basic 6.0

Dim success As Long
success = 0

' 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.

Dim pkcs11 As New ChilkatPkcs11

' 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.
pkcs11.SharedLibPath = "C:/Program Files (x86)/Gemalto/IDGo 800 PKCS#11/IDPrimePKCS1164.dll"

' Establish a logged-on session.
Dim pin As String
pin = "0000"
Dim userType As Long
userType = 1
success = pkcs11.QuickSession(userType,pin)
If (success = 0) Then
    Debug.Print pkcs11.LastErrorText
    Exit Sub
End If

' Specify attributes and abilities (how this key can be used) by providing a JSON template.
' One template is for the public key, and the other for the private key.
Dim pubKeyAttr As New ChilkatJsonObject

' Allow the public key to be used for encryption, signature verification, and symmetric key wrapping
' These attributes are optional.
success = pubKeyAttr.UpdateBool("encrypt",1)
success = pubKeyAttr.UpdateBool("verify",1)
success = pubKeyAttr.UpdateBool("wrap",1)

' Generate a 2048-bit RSA key.
' This attribute is required.
success = pubKeyAttr.UpdateInt("modulus_bits",2048)

Dim privKeyAttr As New ChilkatJsonObject

' Generate a session RSA key.
' A session key exists only for the duration of the PKS11 session.
' To generate an RSA key that resides on the HSM, set the "token" attribute equal to 1
success = privKeyAttr.UpdateBool("token",0)

' Allow the private key to be used for signing and decryption.
success = privKeyAttr.UpdateBool("sign",1)
success = privKeyAttr.UpdateBool("decrypt",1)

' Do not allow the private key to be extracted.
success = privKeyAttr.UpdateBool("extractable",0)

' Provide a JSON object to receive the public and private key handles.
Dim jsonHandles As New ChilkatJsonObject
jsonHandles.EmitCompact = 0

' Provide a Chilkat public key object to receive the public key.
Dim pubKey As New PublicKey

success = pkcs11.GenRsaKey(pubKeyAttr,privKeyAttr,jsonHandles,pubKey)
If (success = 0) Then
    Debug.Print pkcs11.LastErrorText
    Debug.Print "Failed to generate an RSA key."
Else
    ' Sample JSON handles:
    ' {
    '   "public_key_handle": 18415630,
    '   "private_key_handle": 74842125
    ' }
    Debug.Print jsonHandles.Emit()
    Debug.Print "public_key_handle: " & jsonHandles.UIntOf("public_key_handle")
    Debug.Print "private_key_handle: " & jsonHandles.UIntOf("private_key_handle")
    Debug.Print "public key JWK:"
    Debug.Print pubKey.GetJwk()
    ' Sample JWK:
    ' {"kty":"RSA","n":"1sQMSAntY80L .... If9jqfMp4omQ","e":"AQAB"}
    Debug.Print "Success."
End If

success = pkcs11.Logout()
success = pkcs11.CloseSession()