Dogcows Code - chaz/p5-File-KDBX/blob - lib/File/KDBX/Constants.pm

   1 package File::KDBX::Constants;
   2 # ABSTRACT: All the KDBX-related constants you could ever want
   3
   4 # HOW TO add new constants:
   5 #  1. Add it to the %CONSTANTS structure below.
   6 #  2. List it in the pod at the bottom of this file in the section corresponding to its tag.
   7 #  3. There is no step three.
   8
   9 use warnings;
  10 use strict;
  11
  12 use Exporter qw(import);
  13 use Scalar::Util qw(dualvar);
  14 use namespace::clean -except => 'import';
  15
  16 our $VERSION = '999.999'; # VERSION
  17
  18 BEGIN {
  19     my %CONSTANTS = (
  20         magic   => {
  21             __prefix        => 'KDBX',
  22             SIG1            => 0x9aa2d903,
  23             SIG1_FIRST_BYTE => 0x03,
  24             SIG2_1          => 0xb54bfb65,
  25             SIG2_2          => 0xb54bfb67,
  26         },
  27         version => {
  28             __prefix    => 'KDBX_VERSION',
  29             _2_0        => 0x00020000,
  30             _3_0        => 0x00030000,
  31             _3_1        => 0x00030001,
  32             _4_0        => 0x00040000,
  33             _4_1        => 0x00040001,
  34             OLDEST      => 0x00020000,
  35             LATEST      => 0x00040001,
  36             MAJOR_MASK  => 0xffff0000,
  37             MINOR_MASK  => 0x0000ffff,
  38         },
  39         header  => {
  40             __prefix                => 'HEADER',
  41             END                     => dualvar(  0, 'end'),
  42             COMMENT                 => dualvar(  1, 'comment'),
  43             CIPHER_ID               => dualvar(  2, 'cipher_id'),
  44             COMPRESSION_FLAGS       => dualvar(  3, 'compression_flags'),
  45             MASTER_SEED             => dualvar(  4, 'master_seed'),
  46             TRANSFORM_SEED          => dualvar(  5, 'transform_seed'),
  47             TRANSFORM_ROUNDS        => dualvar(  6, 'transform_rounds'),
  48             ENCRYPTION_IV           => dualvar(  7, 'encryption_iv'),
  49             INNER_RANDOM_STREAM_KEY => dualvar(  8, 'inner_random_stream_key'),
  50             STREAM_START_BYTES      => dualvar(  9, 'stream_start_bytes'),
  51             INNER_RANDOM_STREAM_ID  => dualvar( 10, 'inner_random_stream_id'),
  52             KDF_PARAMETERS          => dualvar( 11, 'kdf_parameters'),
  53             PUBLIC_CUSTOM_DATA      => dualvar( 12, 'public_custom_data'),
  54         },
  55         compression => {
  56             __prefix    => 'COMPRESSION',
  57             NONE        => dualvar( 0, 'none'),
  58             GZIP        => dualvar( 1, 'gzip'),
  59         },
  60         cipher  => {
  61             __prefix        => 'CIPHER',
  62             UUID_AES128     => "\x61\xab\x05\xa1\x94\x64\x41\xc3\x8d\x74\x3a\x56\x3d\xf8\xdd\x35",
  63             UUID_AES256     => "\x31\xc1\xf2\xe6\xbf\x71\x43\x50\xbe\x58\x05\x21\x6a\xfc\x5a\xff",
  64             UUID_CHACHA20   => "\xd6\x03\x8a\x2b\x8b\x6f\x4c\xb5\xa5\x24\x33\x9a\x31\xdb\xb5\x9a",
  65             UUID_SALSA20    => "\x71\x6e\x1c\x8a\xee\x17\x4b\xdc\x93\xae\xa9\x77\xb8\x82\x83\x3a",
  66             UUID_SERPENT    => "\x09\x85\x63\xff\xdd\xf7\x4f\x98\x86\x19\x80\x79\xf6\xdb\x89\x7a",
  67             UUID_TWOFISH    => "\xad\x68\xf2\x9f\x57\x6f\x4b\xb9\xa3\x6a\xd4\x7a\xf9\x65\x34\x6c",
  68         },
  69         kdf     => {
  70             __prefix                    => 'KDF',
  71             UUID_AES                    => "\xc9\xd9\xf3\x9a\x62\x8a\x44\x60\xbf\x74\x0d\x08\xc1\x8a\x4f\xea",
  72             UUID_AES_CHALLENGE_RESPONSE => "\x7c\x02\xbb\x82\x79\xa7\x4a\xc0\x92\x7d\x11\x4a\x00\x64\x82\x38",
  73             UUID_ARGON2D                => "\xef\x63\x6d\xdf\x8c\x29\x44\x4b\x91\xf7\xa9\xa4\x03\xe3\x0a\x0c",
  74             UUID_ARGON2ID               => "\x9e\x29\x8b\x19\x56\xdb\x47\x73\xb2\x3d\xfc\x3e\xc6\xf0\xa1\xe6",
  75             PARAM_UUID                  => '$UUID',
  76             PARAM_AES_ROUNDS            => 'R',
  77             PARAM_AES_SEED              => 'S',
  78             PARAM_ARGON2_SALT           => 'S',
  79             PARAM_ARGON2_PARALLELISM    => 'P',
  80             PARAM_ARGON2_MEMORY         => 'M',
  81             PARAM_ARGON2_ITERATIONS     => 'I',
  82             PARAM_ARGON2_VERSION        => 'V',
  83             PARAM_ARGON2_SECRET         => 'K',
  84             PARAM_ARGON2_ASSOCDATA      => 'A',
  85             DEFAULT_AES_ROUNDS          => 100_000,
  86             DEFAULT_ARGON2_ITERATIONS   => 10,
  87             DEFAULT_ARGON2_MEMORY       => 1 << 16,
  88             DEFAULT_ARGON2_PARALLELISM  => 2,
  89             DEFAULT_ARGON2_VERSION      => 0x13,
  90         },
  91         random_stream   => {
  92             __prefix        => 'STREAM',
  93             ID_RC4_VARIANT  => 1,
  94             ID_SALSA20      => 2,
  95             ID_CHACHA20     => 3,
  96             SALSA20_IV      => "\xe8\x30\x09\x4b\x97\x20\x5d\x2a",
  97
  98         },
  99         variant_map => {
 100             __prefix            => 'VMAP',
 101             VERSION             => 0x0100,
 102             VERSION_MAJOR_MASK  => 0xff00,
 103             TYPE_END            => 0x00,
 104             TYPE_UINT32         => 0x04,
 105             TYPE_UINT64         => 0x05,
 106             TYPE_BOOL           => 0x08,
 107             TYPE_INT32          => 0x0C,
 108             TYPE_INT64          => 0x0D,
 109             TYPE_STRING         => 0x18,
 110             TYPE_BYTEARRAY      => 0x42,
 111         },
 112         inner_header => {
 113             __prefix                => 'INNER_HEADER',
 114             END                     => dualvar( 0, 'end'),
 115             INNER_RANDOM_STREAM_ID  => dualvar( 1, 'inner_random_stream_id'),
 116             INNER_RANDOM_STREAM_KEY => dualvar( 2, 'inner_random_stream_key'),
 117             BINARY                  => dualvar( 3, 'binary'),
 118             BINARY_FLAG_PROTECT     => 1,
 119         },
 120         key_file    => {
 121             __prefix    => 'KEY_FILE',
 122             TYPE_BINARY => dualvar( 1, 'binary'),
 123             TYPE_HASHED => dualvar( 3, 'hashed'),
 124             TYPE_HEX    => dualvar( 2, 'hex'),
 125             TYPE_XML    => dualvar( 4, 'xml'),
 126         },
 127         history     => {
 128             __prefix            => 'HISTORY',
 129             DEFAULT_MAX_ITEMS   => 10,
 130             DEFAULT_MAX_SIZE    => 6_291_456, # 6 M
 131         },
 132         iteration   => {
 133             ITERATION_BFS   => dualvar(1, 'bfs'),
 134             ITERATION_DFS   => dualvar(2, 'dfs'),
 135             ITERATION_IDS   => dualvar(3, 'ids'),
 136         },
 137         icon        => {
 138             __prefix            => 'ICON',
 139             PASSWORD            => dualvar(  0, 'Password'),
 140             PACKAGE_NETWORK     => dualvar(  1, 'Package_Network'),
 141             MESSAGEBOX_WARNING  => dualvar(  2, 'MessageBox_Warning'),
 142             SERVER              => dualvar(  3, 'Server'),
 143             KLIPPER             => dualvar(  4, 'Klipper'),
 144             EDU_LANGUAGES       => dualvar(  5, 'Edu_Languages'),
 145             KCMDF               => dualvar(  6, 'KCMDF'),
 146             KATE                => dualvar(  7, 'Kate'),
 147             SOCKET              => dualvar(  8, 'Socket'),
 148             IDENTITY            => dualvar(  9, 'Identity'),
 149             KONTACT             => dualvar( 10, 'Kontact'),
 150             CAMERA              => dualvar( 11, 'Camera'),
 151             IRKICKFLASH         => dualvar( 12, 'IRKickFlash'),
 152             KGPG_KEY3           => dualvar( 13, 'KGPG_Key3'),
 153             LAPTOP_POWER        => dualvar( 14, 'Laptop_Power'),
 154             SCANNER             => dualvar( 15, 'Scanner'),
 155             MOZILLA_FIREBIRD    => dualvar( 16, 'Mozilla_Firebird'),
 156             CDROM_UNMOUNT       => dualvar( 17, 'CDROM_Unmount'),
 157             DISPLAY             => dualvar( 18, 'Display'),
 158             MAIL_GENERIC        => dualvar( 19, 'Mail_Generic'),
 159             MISC                => dualvar( 20, 'Misc'),
 160             KORGANIZER          => dualvar( 21, 'KOrganizer'),
 161             ASCII               => dualvar( 22, 'ASCII'),
 162             ICONS               => dualvar( 23, 'Icons'),
 163             CONNECT_ESTABLISHED => dualvar( 24, 'Connect_Established'),
 164             FOLDER_MAIL         => dualvar( 25, 'Folder_Mail'),
 165             FILESAVE            => dualvar( 26, 'FileSave'),
 166             NFS_UNMOUNT         => dualvar( 27, 'NFS_Unmount'),
 167             MESSAGE             => dualvar( 28, 'Message'),
 168             KGPG_TERM           => dualvar( 29, 'KGPG_Term'),
 169             KONSOLE             => dualvar( 30, 'Konsole'),
 170             FILEPRINT           => dualvar( 31, 'FilePrint'),
 171             FSVIEW              => dualvar( 32, 'FSView'),
 172             RUN                 => dualvar( 33, 'Run'),
 173             CONFIGURE           => dualvar( 34, 'Configure'),
 174             KRFB                => dualvar( 35, 'KRFB'),
 175             ARK                 => dualvar( 36, 'Ark'),
 176             KPERCENTAGE         => dualvar( 37, 'KPercentage'),
 177             SAMBA_UNMOUNT       => dualvar( 38, 'Samba_Unmount'),
 178             HISTORY             => dualvar( 39, 'History'),
 179             MAIL_FIND           => dualvar( 40, 'Mail_Find'),
 180             VECTORGFX           => dualvar( 41, 'VectorGfx'),
 181             KCMMEMORY           => dualvar( 42, 'KCMMemory'),
 182             TRASHCAN_FULL       => dualvar( 43, 'Trashcan_Full'),
 183             KNOTES              => dualvar( 44, 'KNotes'),
 184             CANCEL              => dualvar( 45, 'Cancel'),
 185             HELP                => dualvar( 46, 'Help'),
 186             KPACKAGE            => dualvar( 47, 'KPackage'),
 187             FOLDER              => dualvar( 48, 'Folder'),
 188             FOLDER_BLUE_OPEN    => dualvar( 49, 'Folder_Blue_Open'),
 189             FOLDER_TAR          => dualvar( 50, 'Folder_Tar'),
 190             DECRYPTED           => dualvar( 51, 'Decrypted'),
 191             ENCRYPTED           => dualvar( 52, 'Encrypted'),
 192             APPLY               => dualvar( 53, 'Apply'),
 193             SIGNATURE           => dualvar( 54, 'Signature'),
 194             THUMBNAIL           => dualvar( 55, 'Thumbnail'),
 195             KADDRESSBOOK        => dualvar( 56, 'KAddressBook'),
 196             VIEW_TEXT           => dualvar( 57, 'View_Text'),
 197             KGPG                => dualvar( 58, 'KGPG'),
 198             PACKAGE_DEVELOPMENT => dualvar( 59, 'Package_Development'),
 199             KFM_HOME            => dualvar( 60, 'KFM_Home'),
 200             SERVICES            => dualvar( 61, 'Services'),
 201             TUX                 => dualvar( 62, 'Tux'),
 202             FEATHER             => dualvar( 63, 'Feather'),
 203             APPLE               => dualvar( 64, 'Apple'),
 204             W                   => dualvar( 65, 'W'),
 205             MONEY               => dualvar( 66, 'Money'),
 206             CERTIFICATE         => dualvar( 67, 'Certificate'),
 207             SMARTPHONE          => dualvar( 68, 'Smartphone'),
 208         },
 209         bool        => {
 210             FALSE   => !1,
 211             TRUE    => 1,
 212         },
 213         time        => {
 214             __prefix                    => 'TIME',
 215             SECONDS_AD1_TO_UNIX_EPOCH   => 62_135_596_800,
 216         },
 217         yubikey     => {
 218             YUBICO_VID              => dualvar( 0x1050, 'Yubico'),
 219             YUBIKEY_PID             => dualvar( 0x0010, 'YubiKey 1/2'),
 220             NEO_OTP_PID             => dualvar( 0x0110, 'YubiKey NEO OTP'),
 221             NEO_OTP_CCID_PID        => dualvar( 0x0111, 'YubiKey NEO OTP+CCID'),
 222             NEO_CCID_PID            => dualvar( 0x0112, 'YubiKey NEO CCID'),
 223             NEO_U2F_PID             => dualvar( 0x0113, 'YubiKey NEO FIDO'),
 224             NEO_OTP_U2F_PID         => dualvar( 0x0114, 'YubiKey NEO OTP+FIDO'),
 225             NEO_U2F_CCID_PID        => dualvar( 0x0115, 'YubiKey NEO FIDO+CCID'),
 226             NEO_OTP_U2F_CCID_PID    => dualvar( 0x0116, 'YubiKey NEO OTP+FIDO+CCID'),
 227             YK4_OTP_PID             => dualvar( 0x0401, 'YubiKey 4/5 OTP'),
 228             YK4_U2F_PID             => dualvar( 0x0402, 'YubiKey 4/5 FIDO'),
 229             YK4_OTP_U2F_PID         => dualvar( 0x0403, 'YubiKey 4/5 OTP+FIDO'),
 230             YK4_CCID_PID            => dualvar( 0x0404, 'YubiKey 4/5 CCID'),
 231             YK4_OTP_CCID_PID        => dualvar( 0x0405, 'YubiKey 4/5 OTP+CCID'),
 232             YK4_U2F_CCID_PID        => dualvar( 0x0406, 'YubiKey 4/5 FIDO+CCID'),
 233             YK4_OTP_U2F_CCID_PID    => dualvar( 0x0407, 'YubiKey 4/5 OTP+FIDO+CCID'),
 234             PLUS_U2F_OTP_PID        => dualvar( 0x0410, 'YubiKey Plus OTP+FIDO'),
 235
 236             ONLYKEY_VID             => dualvar( 0x1d50, 'OnlyKey'),
 237             ONLYKEY_PID             => dualvar( 0x60fc, 'OnlyKey'),
 238
 239             YK_EUSBERR              => dualvar( 0x01, 'USB error'),
 240             YK_EWRONGSIZ            => dualvar( 0x02, 'wrong size'),
 241             YK_EWRITEERR            => dualvar( 0x03, 'write error'),
 242             YK_ETIMEOUT             => dualvar( 0x04, 'timeout'),
 243             YK_ENOKEY               => dualvar( 0x05, 'no yubikey present'),
 244             YK_EFIRMWARE            => dualvar( 0x06, 'unsupported firmware version'),
 245             YK_ENOMEM               => dualvar( 0x07, 'out of memory'),
 246             YK_ENOSTATUS            => dualvar( 0x08, 'no status structure given'),
 247             YK_ENOTYETIMPL          => dualvar( 0x09, 'not yet implemented'),
 248             YK_ECHECKSUM            => dualvar( 0x0a, 'checksum mismatch'),
 249             YK_EWOULDBLOCK          => dualvar( 0x0b, 'operation would block'),
 250             YK_EINVALIDCMD          => dualvar( 0x0c, 'invalid command for operation'),
 251             YK_EMORETHANONE         => dualvar( 0x0d, 'expected only one YubiKey but serveral present'),
 252             YK_ENODATA              => dualvar( 0x0e, 'no data returned from device'),
 253
 254             CONFIG1_VALID           => 0x01,
 255             CONFIG2_VALID           => 0x02,
 256             CONFIG1_TOUCH           => 0x04,
 257             CONFIG2_TOUCH           => 0x08,
 258             CONFIG_LED_INV          => 0x10,
 259             CONFIG_STATUS_MASK      => 0x1f,
 260         },
 261     );
 262
 263     our %EXPORT_TAGS;
 264     my %seen;
 265     no strict 'refs'; ## no critic (ProhibitNoStrict)
 266     while (my ($tag, $constants) = each %CONSTANTS) {
 267         my $prefix = delete $constants->{__prefix};
 268         while (my ($name, $value) = each %$constants) {
 269             my $val = $value;
 270             $val = $val+0 if $tag eq 'icon'; # TODO
 271             $name =~ s/^_+//;
 272             my $full_name = $prefix ? "${prefix}_${name}" : $name;
 273             die "Duplicate constant: $full_name\n" if $seen{$full_name};
 274             *{$full_name} = sub() { $value };
 275             push @{$EXPORT_TAGS{$tag} //= []}, $full_name;
 276             $seen{$full_name}++;
 277         }
 278     }
 279 }
 280
 281 our %EXPORT_TAGS;
 282 push @{$EXPORT_TAGS{header}},       'to_header_constant';
 283 push @{$EXPORT_TAGS{compression}},  'to_compression_constant';
 284 push @{$EXPORT_TAGS{inner_header}}, 'to_inner_header_constant';
 285 push @{$EXPORT_TAGS{icon}},         'to_icon_constant';
 286
 287 $EXPORT_TAGS{all} = [map { @$_ } values %EXPORT_TAGS];
 288 our @EXPORT_OK = sort @{$EXPORT_TAGS{all}};
 289
 290 my %HEADER;
 291 for my $header (
 292     HEADER_END, HEADER_COMMENT, HEADER_CIPHER_ID, HEADER_COMPRESSION_FLAGS,
 293     HEADER_MASTER_SEED, HEADER_TRANSFORM_SEED, HEADER_TRANSFORM_ROUNDS,
 294     HEADER_ENCRYPTION_IV, HEADER_INNER_RANDOM_STREAM_KEY, HEADER_STREAM_START_BYTES,
 295     HEADER_INNER_RANDOM_STREAM_ID, HEADER_KDF_PARAMETERS, HEADER_PUBLIC_CUSTOM_DATA,
 296 ) {
 297     $HEADER{$header} = $HEADER{0+$header} = $header;
 298 }
 299 sub to_header_constant { $HEADER{$_[0] // ''} }
 300
 301 my %COMPRESSION;
 302 for my $compression (COMPRESSION_NONE, COMPRESSION_GZIP) {
 303     $COMPRESSION{$compression} = $COMPRESSION{0+$compression} = $compression;
 304 }
 305 sub to_compression_constant { $COMPRESSION{$_[0] // ''} }
 306
 307 my %INNER_HEADER;
 308 for my $inner_header (
 309     INNER_HEADER_END, INNER_HEADER_INNER_RANDOM_STREAM_ID,
 310     INNER_HEADER_INNER_RANDOM_STREAM_KEY, INNER_HEADER_BINARY,
 311 ) {
 312     $INNER_HEADER{$inner_header} = $INNER_HEADER{0+$inner_header} = $inner_header;
 313 }
 314 sub to_inner_header_constant { $INNER_HEADER{$_[0] // ''} }
 315
 316 my %ICON;
 317 for my $icon (
 318     ICON_PASSWORD, ICON_PACKAGE_NETWORK, ICON_MESSAGEBOX_WARNING, ICON_SERVER, ICON_KLIPPER,
 319     ICON_EDU_LANGUAGES, ICON_KCMDF, ICON_KATE, ICON_SOCKET, ICON_IDENTITY, ICON_KONTACT, ICON_CAMERA,
 320     ICON_IRKICKFLASH, ICON_KGPG_KEY3, ICON_LAPTOP_POWER, ICON_SCANNER, ICON_MOZILLA_FIREBIRD,
 321     ICON_CDROM_UNMOUNT, ICON_DISPLAY, ICON_MAIL_GENERIC, ICON_MISC, ICON_KORGANIZER, ICON_ASCII, ICON_ICONS,
 322     ICON_CONNECT_ESTABLISHED, ICON_FOLDER_MAIL, ICON_FILESAVE, ICON_NFS_UNMOUNT, ICON_MESSAGE, ICON_KGPG_TERM,
 323     ICON_KONSOLE, ICON_FILEPRINT, ICON_FSVIEW, ICON_RUN, ICON_CONFIGURE, ICON_KRFB, ICON_ARK,
 324     ICON_KPERCENTAGE, ICON_SAMBA_UNMOUNT, ICON_HISTORY, ICON_MAIL_FIND, ICON_VECTORGFX, ICON_KCMMEMORY,
 325     ICON_TRASHCAN_FULL, ICON_KNOTES, ICON_CANCEL, ICON_HELP, ICON_KPACKAGE, ICON_FOLDER,
 326     ICON_FOLDER_BLUE_OPEN, ICON_FOLDER_TAR, ICON_DECRYPTED, ICON_ENCRYPTED, ICON_APPLY, ICON_SIGNATURE,
 327     ICON_THUMBNAIL, ICON_KADDRESSBOOK, ICON_VIEW_TEXT, ICON_KGPG, ICON_PACKAGE_DEVELOPMENT, ICON_KFM_HOME,
 328     ICON_SERVICES, ICON_TUX, ICON_FEATHER, ICON_APPLE, ICON_W, ICON_MONEY, ICON_CERTIFICATE, ICON_SMARTPHONE,
 329 ) {
 330     $ICON{$icon} = $ICON{0+$icon} = $icon;
 331 }
 332 sub to_icon_constant { $ICON{$_[0] // ''} // ICON_PASSWORD }
 333
 334 1;
 335 __END__
 336
 337 =head1 SYNOPSIS
 338
 339     use File::KDBX::Constants qw(:all);
 340
 341     say KDBX_VERSION_4_1;
 342
 343 =head1 DESCRIPTION
 344
 345 This module provides importable constants related to KDBX. Constants can be imported individually or in groups
 346 (by tag). The available tags are:
 347
 348 =for :list
 349 * L</:magic>
 350 * L</:version>
 351 * L</:header>
 352 * L</:compression>
 353 * L</:cipher>
 354 * L</:random_stream>
 355 * L</:kdf>
 356 * L</:variant_map>
 357 * L</:inner_header>
 358 * L</:key_file>
 359 * L</:history>
 360 * L</:icon>
 361 * L</:bool>
 362 * L</:time>
 363 * L</:yubikey>
 364 * C<:all> - All of the above
 365
 366 View the source of this module to see the constant values (but really you shouldn't care).
 367
 368 =head1 CONSTANTS
 369
 370 =head2 :magic
 371
 372 Constants related to identifying the file types:
 373
 374 =for :list
 375 = C<KDBX_SIG1>
 376 = C<KDBX_SIG1_FIRST_BYTE>
 377 = C<KDBX_SIG2_1>
 378 = C<KDBX_SIG2_2>
 379
 380 =head2 :version
 381
 382 Constants related to identifying the format version of a file:
 383
 384 =for :list
 385 = C<KDBX_VERSION_2_0>
 386 = C<KDBX_VERSION_3_0>
 387 = C<KDBX_VERSION_3_1>
 388 = C<KDBX_VERSION_4_0>
 389 = C<KDBX_VERSION_4_1>
 390 = C<KDBX_VERSION_OLDEST>
 391 = C<KDBX_VERSION_LATEST>
 392 = C<KDBX_VERSION_MAJOR_MASK>
 393 = C<KDBX_VERSION_MINOR_MASK>
 394
 395 =head2 :header
 396
 397 Constants related to parsing and generating KDBX file headers:
 398
 399 =for :list
 400 = C<HEADER_END>
 401 = C<HEADER_COMMENT>
 402 = C<HEADER_CIPHER_ID>
 403 = C<HEADER_COMPRESSION_FLAGS>
 404 = C<HEADER_MASTER_SEED>
 405 = C<HEADER_TRANSFORM_SEED>
 406 = C<HEADER_TRANSFORM_ROUNDS>
 407 = C<HEADER_ENCRYPTION_IV>
 408 = C<HEADER_INNER_RANDOM_STREAM_KEY>
 409 = C<HEADER_STREAM_START_BYTES>
 410 = C<HEADER_INNER_RANDOM_STREAM_ID>
 411 = C<HEADER_KDF_PARAMETERS>
 412 = C<HEADER_PUBLIC_CUSTOM_DATA>
 413
 414 =func to_header_constant
 415
 416     $constant = to_header_constant($number);
 417     $constant = to_header_constant($string);
 418
 419 Get a header constant from an integer or string value.
 420
 421 =head2 :compression
 422
 423 Constants related to identifying the compression state of a file:
 424
 425 =for :list
 426 = C<COMPRESSION_NONE>
 427 = C<COMPRESSION_GZIP>
 428
 429 =func to_compression_constant
 430
 431     $constant = to_compression_constant($number);
 432     $constant = to_compression_constant($string);
 433
 434 Get a compression constant from an integer or string value.
 435
 436 =head2 :cipher
 437
 438 Constants related ciphers:
 439
 440 =for :list
 441 = C<CIPHER_UUID_AES128>
 442 = C<CIPHER_UUID_AES256>
 443 = C<CIPHER_UUID_CHACHA20>
 444 = C<CIPHER_UUID_SALSA20>
 445 = C<CIPHER_UUID_SERPENT>
 446 = C<CIPHER_UUID_TWOFISH>
 447
 448 =head2 :random_stream
 449
 450 Constants related to memory protection stream ciphers:
 451
 452 =for :list
 453 = C<STREAM_ID_RC4_VARIANT>
 454 This is insecure and not implemented.
 455 = C<STREAM_ID_SALSA20>
 456 = C<STREAM_ID_CHACHA20>
 457 = C<STREAM_SALSA20_IV>
 458
 459 =head2 :kdf
 460
 461 Constants related to key derivation functions and configuration:
 462
 463 =for :list
 464 = C<KDF_UUID_AES>
 465 = C<KDF_UUID_AES_CHALLENGE_RESPONSE>
 466 This is what KeePassXC calls C<KDF_AES_KDBX4>.
 467 = C<KDF_UUID_ARGON2D>
 468 = C<KDF_UUID_ARGON2ID>
 469 = C<KDF_PARAM_UUID>
 470 = C<KDF_PARAM_AES_ROUNDS>
 471 = C<KDF_PARAM_AES_SEED>
 472 = C<KDF_PARAM_ARGON2_SALT>
 473 = C<KDF_PARAM_ARGON2_PARALLELISM>
 474 = C<KDF_PARAM_ARGON2_MEMORY>
 475 = C<KDF_PARAM_ARGON2_ITERATIONS>
 476 = C<KDF_PARAM_ARGON2_VERSION>
 477 = C<KDF_PARAM_ARGON2_SECRET>
 478 = C<KDF_PARAM_ARGON2_ASSOCDATA>
 479 = C<KDF_DEFAULT_AES_ROUNDS>
 480 = C<KDF_DEFAULT_ARGON2_ITERATIONS>
 481 = C<KDF_DEFAULT_ARGON2_MEMORY>
 482 = C<KDF_DEFAULT_ARGON2_PARALLELISM>
 483 = C<KDF_DEFAULT_ARGON2_VERSION>
 484
 485 =head2 :variant_map
 486
 487 Constants related to parsing and generating KDBX4 variant maps:
 488
 489 =for :list
 490 = C<VMAP_VERSION>
 491 = C<VMAP_VERSION_MAJOR_MASK>
 492 = C<VMAP_TYPE_END>
 493 = C<VMAP_TYPE_UINT32>
 494 = C<VMAP_TYPE_UINT64>
 495 = C<VMAP_TYPE_BOOL>
 496 = C<VMAP_TYPE_INT32>
 497 = C<VMAP_TYPE_INT64>
 498 = C<VMAP_TYPE_STRING>
 499 = C<VMAP_TYPE_BYTEARRAY>
 500
 501 =head2 :inner_header
 502
 503 Constants related to parsing and generating KDBX4 inner headers:
 504
 505 =for :list
 506 = C<INNER_HEADER_END>
 507 = C<INNER_HEADER_INNER_RANDOM_STREAM_ID>
 508 = C<INNER_HEADER_INNER_RANDOM_STREAM_KEY>
 509 = C<INNER_HEADER_BINARY>
 510 = C<INNER_HEADER_BINARY_FLAG_PROTECT>
 511
 512 =func to_inner_header_constant
 513
 514     $constant = to_inner_header_constant($number);
 515     $constant = to_inner_header_constant($string);
 516
 517 Get an inner header constant from an integer or string value.
 518
 519 =head2 :key_file
 520
 521 Constants related to identifying key file types:
 522
 523 =for :list
 524 = C<KEY_FILE_TYPE_BINARY>
 525 = C<KEY_FILE_TYPE_HASHED>
 526 = C<KEY_FILE_TYPE_HEX>
 527 = C<KEY_FILE_TYPE_XML>
 528
 529 =head2 :history
 530
 531 Constants for history-related default values:
 532
 533 =for :list
 534 = C<HISTORY_DEFAULT_MAX_ITEMS>
 535 = C<HISTORY_DEFAULT_MAX_SIZE>
 536
 537 =head2 :iteration
 538
 539 Constants for searching algorithms.
 540
 541 =for :list
 542 = C<ITERATION_IDS> - Iterative deepening search
 543 = C<ITERATION_BFS> - Breadth-first search
 544 = C<ITERATION_DFS> - Depth-first search
 545
 546 =head2 :icon
 547
 548 Constants for default icons used by KeePass password safe implementations:
 549
 550 =for :list
 551 = C<ICON_PASSWORD>
 552 = C<ICON_PACKAGE_NETWORK>
 553 = C<ICON_MESSAGEBOX_WARNING>
 554 = C<ICON_SERVER>
 555 = C<ICON_KLIPPER>
 556 = C<ICON_EDU_LANGUAGES>
 557 = C<ICON_KCMDF>
 558 = C<ICON_KATE>
 559 = C<ICON_SOCKET>
 560 = C<ICON_IDENTITY>
 561 = C<ICON_KONTACT>
 562 = C<ICON_CAMERA>
 563 = C<ICON_IRKICKFLASH>
 564 = C<ICON_KGPG_KEY3>
 565 = C<ICON_LAPTOP_POWER>
 566 = C<ICON_SCANNER>
 567 = C<ICON_MOZILLA_FIREBIRD>
 568 = C<ICON_CDROM_UNMOUNT>
 569 = C<ICON_DISPLAY>
 570 = C<ICON_MAIL_GENERIC>
 571 = C<ICON_MISC>
 572 = C<ICON_KORGANIZER>
 573 = C<ICON_ASCII>
 574 = C<ICON_ICONS>
 575 = C<ICON_CONNECT_ESTABLISHED>
 576 = C<ICON_FOLDER_MAIL>
 577 = C<ICON_FILESAVE>
 578 = C<ICON_NFS_UNMOUNT>
 579 = C<ICON_MESSAGE>
 580 = C<ICON_KGPG_TERM>
 581 = C<ICON_KONSOLE>
 582 = C<ICON_FILEPRINT>
 583 = C<ICON_FSVIEW>
 584 = C<ICON_RUN>
 585 = C<ICON_CONFIGURE>
 586 = C<ICON_KRFB>
 587 = C<ICON_ARK>
 588 = C<ICON_KPERCENTAGE>
 589 = C<ICON_SAMBA_UNMOUNT>
 590 = C<ICON_HISTORY>
 591 = C<ICON_MAIL_FIND>
 592 = C<ICON_VECTORGFX>
 593 = C<ICON_KCMMEMORY>
 594 = C<ICON_TRASHCAN_FULL>
 595 = C<ICON_KNOTES>
 596 = C<ICON_CANCEL>
 597 = C<ICON_HELP>
 598 = C<ICON_KPACKAGE>
 599 = C<ICON_FOLDER>
 600 = C<ICON_FOLDER_BLUE_OPEN>
 601 = C<ICON_FOLDER_TAR>
 602 = C<ICON_DECRYPTED>
 603 = C<ICON_ENCRYPTED>
 604 = C<ICON_APPLY>
 605 = C<ICON_SIGNATURE>
 606 = C<ICON_THUMBNAIL>
 607 = C<ICON_KADDRESSBOOK>
 608 = C<ICON_VIEW_TEXT>
 609 = C<ICON_KGPG>
 610 = C<ICON_PACKAGE_DEVELOPMENT>
 611 = C<ICON_KFM_HOME>
 612 = C<ICON_SERVICES>
 613 = C<ICON_TUX>
 614 = C<ICON_FEATHER>
 615 = C<ICON_APPLE>
 616 = C<ICON_W>
 617 = C<ICON_MONEY>
 618 = C<ICON_CERTIFICATE>
 619 = C<ICON_SMARTPHONE>
 620
 621 =func to_icon_constant
 622
 623     $constant = to_icon_constant($number);
 624     $constant = to_icon_constant($string);
 625
 626 Get an icon constant from an integer or string value.
 627
 628 =head2 :bool
 629
 630 Boolean values:
 631
 632 =for :list
 633 = C<FALSE>
 634 = C<TRUE>
 635
 636 =head2 :time
 637
 638 Constants related to time:
 639
 640 =for :list
 641 = C<TIME_SECONDS_AD1_TO_UNIX_EPOCH>
 642
 643 =head2 :yubikey
 644
 645 Constants related to working with YubiKeys:
 646
 647 =for :list
 648 = C<YUBICO_VID>
 649 = C<YUBIKEY_PID>
 650 = C<NEO_OTP_PID>
 651 = C<NEO_OTP_CCID_PID>
 652 = C<NEO_CCID_PID>
 653 = C<NEO_U2F_PID>
 654 = C<NEO_OTP_U2F_PID>
 655 = C<NEO_U2F_CCID_PID>
 656 = C<NEO_OTP_U2F_CCID_PID>
 657 = C<YK4_OTP_PID>
 658 = C<YK4_U2F_PID>
 659 = C<YK4_OTP_U2F_PID>
 660 = C<YK4_CCID_PID>
 661 = C<YK4_OTP_CCID_PID>
 662 = C<YK4_U2F_CCID_PID>
 663 = C<YK4_OTP_U2F_CCID_PID>
 664 = C<PLUS_U2F_OTP_PID>
 665 = C<ONLYKEY_VID>
 666 = C<ONLYKEY_PID>
 667 = C<YK_EUSBERR>
 668 = C<YK_EWRONGSIZ>
 669 = C<YK_EWRITEERR>
 670 = C<YK_ETIMEOUT>
 671 = C<YK_ENOKEY>
 672 = C<YK_EFIRMWARE>
 673 = C<YK_ENOMEM>
 674 = C<YK_ENOSTATUS>
 675 = C<YK_ENOTYETIMPL>
 676 = C<YK_ECHECKSUM>
 677 = C<YK_EWOULDBLOCK>
 678 = C<YK_EINVALIDCMD>
 679 = C<YK_EMORETHANONE>
 680 = C<YK_ENODATA>
 681 = C<CONFIG1_VALID>
 682 = C<CONFIG2_VALID>
 683 = C<CONFIG1_TOUCH>
 684 = C<CONFIG2_TOUCH>
 685 = C<CONFIG_LED_INV>
 686 = C<CONFIG_STATUS_MASK>
 687
 688 =cut