Perl

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. Perl

use chilkat();

$success = 0;

# Imagine we have this JWK:

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

$sbJwk = chilkat::CkStringBuilder->new();
$success = $sbJwk->LoadFile("qa_data/jwk/simple_jwk_rsa.json","utf-8");
if ($success != 1) {
    print "Failed to load simple JWK file." . "\r\n";
    exit;
}

# Loading it into a Chilkat public key object is easy:
$pubkey = chilkat::CkPublicKey->new();
$success = $pubkey->LoadFromString($sbJwk->getAsString());
if ($success == 0) {
    print $pubkey->lastErrorText() . "\r\n";
    exit;
}

print "Simple JWK loaded into public key object." . "\r\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"
#           }
# }

$sbJwk2 = chilkat::CkStringBuilder->new();
$success = $sbJwk2->LoadFile("qa_data/jwk/contained_jwk_rsa.json","utf-8");
if ($success == 0) {
    print $sbJwk2->lastErrorText() . "\r\n";
    exit;
}

# Get the "jwk" part of the JSON..
$json = chilkat::CkJsonObject->new();
$json->Load($sbJwk2->getAsString());

$jsonJwk = chilkat::CkJsonObject->new();
$success = $json->ObjectOf2("jwk",$jsonJwk);
if ($success == 0) {
    print $json->lastErrorText() . "\r\n";
    exit;
}

$pubkey2 = chilkat::CkPublicKey->new();
$success = $pubkey2->LoadFromString($jsonJwk->emit());
if ($success == 0) {
    print $pubkey2->lastErrorText() . "\r\n";
    exit;
}

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