Perl Requires Chilkat v11.0.0+

Load JWK into PublicKey Object

See more JSON Web Signatures (JWS) Examples

Demonstrates how to load a Java Web Key (JWK) into a Chilkat public key object. Chilkat2 Perl

use strict;
use warnings;
use Chilkat2;

# Imagine we have this JWK:

# {
# "kty":"RSA",
# "kid":"bilbo.baggins@hobbiton.example",
# "use":"sig",
# "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
# "e":"65537"
# }
#

my $sbJwk = Chilkat2::StringBuilder->new;
my $success = $sbJwk->LoadFile('qa_data/jwk/simple_jwk_rsa.json', 'utf-8');
if (!$success) {
    print "Failed to load simple JWK file.\n";
    exit;
}

# Loading it into a Chilkat public key object is easy:
my $pubkey = Chilkat2::PublicKey->new;
$success = $pubkey->LoadFromString($sbJwk->GetAsString());
if (!$success) {
    print $pubkey->LastErrorText, "\n";
    exit;
}

print "Simple JWK loaded into public key object.\n";

# ----------------------------------------------------------------------------------------------------------
# Demonstrate how to load a JWK that is contained within JSON into a public key object.

# {
#   "alg":"RS256",
#   "jwk":  {
#           "kty":"RSA",
#           "kid":"bilbo.baggins@hobbiton.example",
#           "use":"sig",
#           "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
#           "e":"65537"
#           }
# }

my $sbJwk2 = Chilkat2::StringBuilder->new;
$success = $sbJwk2->LoadFile('qa_data/jwk/contained_jwk_rsa.json', 'utf-8');
if (!$success) {
    print $sbJwk2->LastErrorText, "\n";
    exit;
}

# Get the "jwk" part of the JSON..
my $json = Chilkat2::JsonObject->new;
$json->Load($sbJwk2->GetAsString());

my $jsonJwk = Chilkat2::JsonObject->new;
$success = $json->ObjectOf2('jwk', $jsonJwk);
if (!$success) {
    print $json->LastErrorText, "\n";
    exit;
}

my $pubkey2 = Chilkat2::PublicKey->new;
$success = $pubkey2->LoadFromString($jsonJwk->Emit());
if (!$success) {
    print $pubkey2->LastErrorText, "\n";
    exit;
}

print "Contained JWK loaded into public key object.\n";