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Perl Requires Chilkat v9.5.0.88+

PKCS11 Discover Readers and Smart Cards / Tokens

See more PKCS11 Examples

Example showing how to discover the readers (slots) and smart cards and tokens available through a vendor's PKCS11 Cryptoki module.

Chilkat Perl Downloads

Chilkat2 Perl
use strict;
use warnings;
use Chilkat2;

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

# Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems.

my $pkcs11 = Chilkat2::Pkcs11->new;

# Specify the vendor's Cryptoki module DLL / shared lib.
$pkcs11->SharedLibPath('aetpkss1.dll');

my $success = $pkcs11->Initialize();
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

# Call Discover to discover what's available.
# Indicate that we only want to return slots (readers) where tokens (smart cards) are present.
# (If the device is a USB token, such as an ePass300Auto, then by definition it has a "token" present.)
my $onlyTokensPresent = 1;
my $json = Chilkat2::JsonObject->new;
$success = $pkcs11->Discover($onlyTokensPresent, $json);
if (!$success) {
    print $pkcs11->LastErrorText, "\n";
    exit;
}

$json->EmitCompact(0);
print $json->Emit(), "\n";

# Sample JSON output.
# Code for parsing this JSON is shown below..

# {
#   "cryptokiVersion": {
#     "major": 2,
#     "minor": 20
#   },
#   "manufacturerID": "A.E.T. Europe B.V.",
#   "libraryDescription": "Cryptographic Token Interface",
#   "libraryVersion": {
#     "major": 3,
#     "minor": 0
#   },
#   "slot": [
#     {
#       "id": 52482,
#       "slotDescription": "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0",
#       "manufacturerID": "SCM Microsystems Inc. SCR33x USB",
#       "tokenPresent": true,
#       "removableDevice": true,
#       "hardwareSlot": true,
#       "hardwareVersion": {
#         "major": 0,
#         "minor": 0
#       },
#       "firmwareVersion": {
#         "major": 0,
#         "minor": 0
#       },
#       "token": {
#         "label": "chilkat",
#         "manufacturerID": "A.E.T. Europe B.V.",
#         "model": "19C40406010D00C0",
#         "serialNumber": "21619600583C4505",
#         "flags": [
#           "CKF_RNG",
#           "CKF_LOGIN_REQUIRED",
#           "CKF_USER_PIN_INITIALIZED",
#           "CKF_TOKEN_INITIALIZED"
#         ],
#         "maxSessionCount": 126,
#         "sessionCount": 0,
#         "maxRwSessionCount": 126,
#         "rwSessionCount": 0,
#         "maxPinLen": 15,
#         "minPinLen": 4,
#         "totalPublicMemory": 32767,
#         "freePublicMemory": 32767,
#         "totalPrivateMemory": 32767,
#         "freePrivateMemory": 32767,
#         "hardwareVersion": {
#           "major": 0,
#           "minor": 0
#         },
#         "firmwareVersion": {
#           "major": 0,
#           "minor": 0
#         },
#         "utcTime": "",
#         "rsa": {
#           "minKeySize": 768,
#           "maxKeySize": 2048
#         },
#         "mechanism": [
#           "CKM_RSA_PKCS",
#           "CKM_RSA_X_509",
#           "CKM_RSA_PKCS_OAEP",
#           "CKM_MD5_RSA_PKCS",
#           "CKM_SHA1_RSA_PKCS",
#           "CKM_SHA224_RSA_PKCS",
#           "CKM_SHA256_RSA_PKCS",
#           "CKM_SHA384_RSA_PKCS",
#           "CKM_SHA512_RSA_PKCS",
#           "CKM_RIPEMD160_RSA_PKCS",
#           "CKM_CPK_ECDSA",
#           "CKM_CPK_ECDSA_SHA1",
#           "CKM_CPK_ECIES",
#           "CKM_CPK_ECIES_STDDH_SHA1KDF_DES3CBC_PAD_SHA1HMAC",
#           "CKM_CPK_ECIES_STDDH_SHA1KDF_AES128CBC_PAD_SHA1HMAC",
#           "CKM_CPK_PKCS7_SIGNED",
#           "CKM_CPK_PKCS7_ENVELOPE_DES3CBC_PAD",
#           "CKM_RSA_PKCS_PSS",
#           "CKM_RSA_PKCS_KEY_PAIR_GEN",
#           "CKM_RC2_KEY_GEN",
#           "CKM_RC2_ECB",
#           "CKM_RC2_CBC",
#           "CKM_RC2_CBC_PAD",
#           "CKM_RC4_KEY_GEN",
#           "CKM_RC4",
#           "CKM_DES_KEY_GEN",
#           "CKM_DES2_KEY_GEN",
#           "CKM_DES3_KEY_GEN",
#           "CKM_DES_ECB",
#           "CKM_DES_CBC",
#           "CKM_DES3_ECB",
#           "CKM_DES3_CBC",
#           "CKM_DES_CBC_PAD",
#           "CKM_DES3_CBC_PAD",
#           "CKM_MD5",
#           "CKM_SHA_1",
#           "CKM_SHA224",
#           "CKM_SHA256",
#           "CKM_SHA384",
#           "CKM_SHA512",
#           "CKM_RIPEMD160"
#         ]
#       }
#     }
#   ]
# }

# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

my $id = 0;
my $slotDescription = '';
my $tokenPresent = 0;
my $removableDevice = 0;
my $hardwareSlot = 0;
my $hardwareVersionMajor = 0;
my $hardwareVersionMinor = 0;
my $firmwareVersionMajor = 0;
my $firmwareVersionMinor = 0;
my $tokenLabel = '';
my $tokenManufacturerID = '';
my $tokenModel = '';
my $tokenSerialNumber = '';
my $tokenMaxSessionCount = 0;
my $tokenSessionCount = 0;
my $tokenMaxRwSessionCount = 0;
my $tokenRwSessionCount = 0;
my $tokenMaxPinLen = 0;
my $tokenMinPinLen = 0;
my $tokenTotalPublicMemory = 0;
my $tokenFreePublicMemory = 0;
my $tokenTotalPrivateMemory = 0;
my $tokenFreePrivateMemory = 0;
my $tokenHardwareVersionMajor = 0;
my $tokenHardwareVersionMinor = 0;
my $tokenFirmwareVersionMajor = 0;
my $tokenFirmwareVersionMinor = 0;
my $tokenUtcTime = '';
my $tokenRsaMinKeySize = 0;
my $tokenRsaMaxKeySize = 0;
my $j = 0;
my $count_j = 0;
my $strVal = '';

# Use this online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

my $cryptokiVersionMajor = $json->IntOf('cryptokiVersion.major');
my $cryptokiVersionMinor = $json->IntOf('cryptokiVersion.minor');
my $manufacturerID = $json->StringOf('manufacturerID');
my $libraryDescription = $json->StringOf('libraryDescription');
my $libraryVersionMajor = $json->IntOf('libraryVersion.major');
my $libraryVersionMinor = $json->IntOf('libraryVersion.minor');
my $i = 0;
my $count_i = $json->SizeOfArray('slot');
while ($i < $count_i) {
    $json->I($i);
    $id = $json->IntOf('slot[i].id');
    $slotDescription = $json->StringOf('slot[i].slotDescription');
    $manufacturerID = $json->StringOf('slot[i].manufacturerID');
    $tokenPresent = $json->BoolOf('slot[i].tokenPresent');
    $removableDevice = $json->BoolOf('slot[i].removableDevice');
    $hardwareSlot = $json->BoolOf('slot[i].hardwareSlot');
    $hardwareVersionMajor = $json->IntOf('slot[i].hardwareVersion.major');
    $hardwareVersionMinor = $json->IntOf('slot[i].hardwareVersion.minor');
    $firmwareVersionMajor = $json->IntOf('slot[i].firmwareVersion.major');
    $firmwareVersionMinor = $json->IntOf('slot[i].firmwareVersion.minor');
    $tokenLabel = $json->StringOf('slot[i].token.label');
    $tokenManufacturerID = $json->StringOf('slot[i].token.manufacturerID');
    $tokenModel = $json->StringOf('slot[i].token.model');
    $tokenSerialNumber = $json->StringOf('slot[i].token.serialNumber');
    $tokenMaxSessionCount = $json->IntOf('slot[i].token.maxSessionCount');
    $tokenSessionCount = $json->IntOf('slot[i].token.sessionCount');
    $tokenMaxRwSessionCount = $json->IntOf('slot[i].token.maxRwSessionCount');
    $tokenRwSessionCount = $json->IntOf('slot[i].token.rwSessionCount');
    $tokenMaxPinLen = $json->IntOf('slot[i].token.maxPinLen');
    $tokenMinPinLen = $json->IntOf('slot[i].token.minPinLen');
    $tokenTotalPublicMemory = $json->IntOf('slot[i].token.totalPublicMemory');
    $tokenFreePublicMemory = $json->IntOf('slot[i].token.freePublicMemory');
    $tokenTotalPrivateMemory = $json->IntOf('slot[i].token.totalPrivateMemory');
    $tokenFreePrivateMemory = $json->IntOf('slot[i].token.freePrivateMemory');
    $tokenHardwareVersionMajor = $json->IntOf('slot[i].token.hardwareVersion.major');
    $tokenHardwareVersionMinor = $json->IntOf('slot[i].token.hardwareVersion.minor');
    $tokenFirmwareVersionMajor = $json->IntOf('slot[i].token.firmwareVersion.major');
    $tokenFirmwareVersionMinor = $json->IntOf('slot[i].token.firmwareVersion.minor');
    $tokenUtcTime = $json->StringOf('slot[i].token.utcTime');
    $tokenRsaMinKeySize = $json->IntOf('slot[i].token.rsa.minKeySize');
    $tokenRsaMaxKeySize = $json->IntOf('slot[i].token.rsa.maxKeySize');
    $j = 0;
    $count_j = $json->SizeOfArray('slot[i].token.flags');
    while ($j < $count_j) {
        $json->J($j);
        $strVal = $json->StringOf('slot[i].token.flags[j]');
        $j = $j + 1;
    }

    $j = 0;
    $count_j = $json->SizeOfArray('slot[i].token.mechanism');
    while ($j < $count_j) {
        $json->J($j);
        $strVal = $json->StringOf('slot[i].token.mechanism[j]');
        $j = $j + 1;
    }

    $i = $i + 1;
}