PowerBuilder

PBKDF2 - Derive Key from Password

See more Encryption Examples

Demonstrates how to derive a symmetric encryption key from a password using PBKDF2. PowerBuilder

integer li_rc
oleobject loo_Crypt
string ls_Pw
string ls_PwCharset
string ls_HashAlg
string ls_SaltHex
integer li_IterationCount
integer li_OutputBitLen
string ls_Enc
string ls_HexKey

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

loo_Crypt = create oleobject
li_rc = loo_Crypt.ConnectToNewObject("Chilkat.Crypt2")
if li_rc < 0 then
    destroy loo_Crypt
    MessageBox("Error","Connecting to COM object failed")
    return
end if

ls_Pw = "password"

ls_PwCharset = "utf-8"

// Such as sha256, sha512
ls_HashAlg = "sha256"

// 16 bytes
ls_SaltHex = "78578E5A5D63CB0668AB39B21C8637FA"

li_IterationCount = 100000

// Derive a 256-bit key from the password.
li_OutputBitLen = 256

// The derived key is returned as a hex or base64 encoded string.
// (Note: The salt argument must be a string that also uses
// the same encoding.)
ls_Enc = "hex"

ls_HexKey = loo_Crypt.Pbkdf2(ls_Pw,ls_PwCharset,ls_HashAlg,ls_SaltHex,li_IterationCount,li_OutputBitLen,ls_Enc)

Write-Debug ls_HexKey

// Sample output:
// AE96E261E32792D0FD6F0E72F8E872D046F7DB4C1FA7C83892EC73C49F461B70


destroy loo_Crypt