(Perl) WPA Key Calculation from PassPhrase to Hex

Demonstrates how to calculate a WPA key from a passprhase and network SSID.

Chilkat Perl Downloads Perl Module for Windows, MacOS, Linux, Alpine Linux, Solaris

use chilkat();

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

$crypt = chilkat::CkCrypt2->new();

# The "ps" is the WPA passphrase
$pw = "password";
$pwCharset = "ansi";

# Hash algorithms may be: sha1, md2, md5, etc.
$hashAlg = "sha1";

# Specify the SSID in hex:
# For example, if the SSID is "ABC", then the 
# hex values for these us-ascii chars is "414243"
$ssidHex = "414243";

# The WPA key calculation will always use 4096 iterations.
$iterationCount = 4096;

# The WPA hex output should be 256 bits.
$outputBitLen = 256;

# Indicate that "hex" is to be returned.
$enc = "hex";

$wpaHexKey = $crypt->pbkdf2($pw,$pwCharset,$hashAlg,$ssidHex,$iterationCount,$outputBitLen,$enc);

print $wpaHexKey . "\r\n";