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t/14.opaque-register.t  view on Meta::CPAN

#my $Nn = 32;
my $Nn =
  hex2bn('a921f2a014513bd8a90e477a629794e89fec12d12206dde662ebdcf65670e51f');
my $finalize_info = 'OPAQUE-DeriveAuthKeyPair';
my $finalize_DST  = "DeriveKeyPair" . $context_string;
my $mac_func      = sub { hmac( 'SHA256', $_[1], $_[0] ) };
my $finalize_r    = finalize_registration_request(
    $req_r,        $res_r->{response}, $pwd,
    $c_id,         $s_id,              $Nn,
    $Nseed,        $group_name,        $finalize_info,
    $finalize_DST, $hash_name,         $expand_message_func,
    $mac_func,     $pwd_harden_func
);
my $upload_record = $finalize_r->{record};
### export_key: unpack("H*", $finalize_r->{export_key})
is(
    $finalize_r->{record}{masking_key},
    pack( "H*",
        '26605b3dae07af6f79501f0bfad82c904b61a59fa7038d87b66b4fdac4707541' ),
    'finalize_registration_request'
);

$blind =
  hex2bn('c497fddf6056d241e6cf9fb7ac37c384f49b357a221eb0a802c989b9942256c1');
my $cred_req_r =
  create_credential_request( $pwd, $blind, $DST, $group_name, $type,
    $hash_name, $expand_message_func, 1 );

my $masking_nonce =
  hex2bn('38fe59af0df2c79f57b8780278f5ae47355fe1f817119041951c80f612fdfc6d');
my $cred_res_r = create_credential_response(
    $cred_req_r->{request},        $s_pub,
    $oprf_seed,                    $credential_identifier,
    "OprfKey",                     $upload_record->{envelope},
    $upload_record->{masking_key}, $masking_nonce,
    $Nseed,                        $group_name,
    $info,                         "DeriveKeyPair" . $context_string,
    $hash_name,                    $expand_message_func,
    $point_compress_t,             $pack_func,
);
is(
    $cred_res_r->{masked_response},
    pack( "H*",
'adb901cb9a50203d9df723560fafa4ce22b66b58a31c8ff070a0bc801ab2161544475404c323712d8916620d4a184cd1603ea31cee0e341d7e3a5da01ab1eef8d6d132ee54cad7a68a72ef06ca0bdde88ac930e13aa906fd284aa79ca51e694f07'
    ),
    'create_credential_response'
);

my $unpack_func = sub {
    my ($r) = @_;
    my $s_pub    = substr $r, 0,  33;
    my $nonce    = substr $r, 33, 32;
    my $auth_tag = substr $r, 65, 32;
    ### r: unpack("H*", $r)
    ### s_pub: unpack("H*", $s_pub)
    ### nonce: unpack("H*", $nonce)
    ### auth_tag: unpack("H*", $auth_tag)
    return [ $s_pub, $nonce, $auth_tag ];
};
my $recover_r = recover_credentials(
    $cred_req_r,      $cred_res_r,          $pwd,
    $c_id,            $s_id,                $Nseed,
    $group_name,      $finalize_info,       $finalize_DST,
    $hash_name,       $expand_message_func, $mac_func,
    $pwd_harden_func, $unpack_func
);
is(
    BN_bn2hex( $recover_r->{c_priv} ),
    'D1D280F712E4EBF3C881C686E13C281BC3A3FAB30A00411A350F4F8B7A1EA550',
    'recover_credentials'
);
is(
    $recover_r->{export_key},
    pack( "H*",
        '77869b0d11debf6fc88c1d192dde9546baf528b2f70c2aea89960fc2178586da' ),
    'recover_credentials'
);

done_testing;

1;