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Encrypt a JWE with a Password (PBES2)

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetPassword, which sets the PBES2 password for a recipient. The example uses PBES2-HS256+A128KW key management with AES-128-GCM content encryption.

Background. PBES2 derives a key-wrapping key from a password using a salt and iteration count, allowing password-based JWE encryption. The password should come from a secure source.

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PowerShell
Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

$jwe = New-Object Chilkat.Jwe

#  Protected header: PBES2 password-based key management with AES-128-GCM content encryption.
$header = New-Object Chilkat.JsonObject
$header.UpdateString("alg","PBES2-HS256+A128KW")
$header.UpdateString("enc","A128GCM")
$success = $jwe.SetProtectedHeader($header)
if ($success -eq $false) {
    $($jwe.LastErrorText)
    exit
}

#  Set the PBES2 password for recipient 0.  The password should come from a secure source rather than
#  being hard-coded.
$password = "myPassword"
$success = $jwe.SetPassword(0,$password)
if ($success -eq $false) {
    $($jwe.LastErrorText)
    exit
}

$jweCompact = $jwe.Encrypt("This is the secret content.","utf-8")
if ($jwe.LastMethodSuccess -eq $false) {
    $($jwe.LastErrorText)
    exit
}

$($jweCompact)