git.squeep.com Git - squeep-mystery-box/blob - lib/version-parameters.js

   1 'use strict';
   2
   3 /**
   4  * Supported packings/cipher types.
   5  * To be useful, any cipher included here must be Authenticated Encryption with Additional Data (AEAD).
   6  * More preferable versions are numbered higher.
   7  */
   8 const allVersions = {
   9   1: {
  10     version: 1,
  11     algorithm: 'aes-256-gcm',
  12     algOptions: {},
  13     versionBytes: 1,
  14     flagsBytes: 1,
  15     ivBytes: 12,
  16     saltBytes: 16,
  17     tagBytes: 16,
  18     keyBytes: 32,
  19   },
  20   2: {
  21     version: 2,
  22     algorithm: 'chacha20-poly1305', // Prefer this over NIST because we stan djb
  23     algOptions: {
  24       authTagLength: 16,
  25     },
  26     versionBytes: 1,
  27     flagsBytes: 1,
  28     ivBytes: 12,
  29     saltBytes: 16,
  30     tagBytes: 16,
  31     keyBytes: 32,
  32   },
  33   3: {
  34     version: 3,
  35     algorithm: 'xchacha20-poly1305', // Not yet available...
  36     algOptions: {
  37       authTagLength: 16,
  38     },
  39     versionBytes: 1,
  40     flagsBytes: 1,
  41     ivBytes: 24,
  42     saltBytes: 16,
  43     tagBytes: 16,
  44     keyBytes: 32,
  45   },
  46 };
  47
  48 module.exports = allVersions;