diff options
Diffstat (limited to 'library/sodium-plus/lib/util.js')
| -rw-r--r-- | library/sodium-plus/lib/util.js | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/library/sodium-plus/lib/util.js b/library/sodium-plus/lib/util.js new file mode 100644 index 000000000..e19030d0e --- /dev/null +++ b/library/sodium-plus/lib/util.js @@ -0,0 +1,133 @@ +"use strict"; + +/* istanbul ignore if */ +if (typeof (Buffer) === 'undefined') { + let Buffer = require('buffer/').Buffer; +} + +const arrayToBuffer = require('typedarray-to-buffer'); + +module.exports = class Util +{ + static async cloneBuffer(buf) { + return Buffer.from(buf); + } + + /** + * Define the sodium constants + * + * @param {object} anyobject + * @return {object} + */ + static populateConstants(anyobject) { + anyobject.LIBRARY_VERSION_MAJOR = 10; + anyobject.LIBRARY_VERSION_MINOR = 2; + anyobject.VERSION_STRING = '1.0.17'; + anyobject.BASE64_VARIANT_ORIGINAL = 1; + anyobject.BASE64_VARIANT_ORIGINAL_NO_PADDING = 3; + anyobject.BASE64_VARIANT_URLSAFE = 5; + anyobject.BASE64_VARIANT_URLSAFE_NO_PADDING = 7; + anyobject.CRYPTO_AEAD_AES256GCM_KEYBYTES = 32; + anyobject.CRYPTO_AEAD_AES256GCM_NSECBYTES = 0; + anyobject.CRYPTO_AEAD_AES256GCM_NPUBBYTES = 12; + anyobject.CRYPTO_AEAD_AES256GCM_ABYTES = 16; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES = 32; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES = 0; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES = 8; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_ABYTES = 16; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES = 32; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES = 0; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES = 12; + anyobject.CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES = 16; + anyobject.CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES = 32; + anyobject.CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES = 0; + anyobject.CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES = 24; + anyobject.CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES = 16; + anyobject.CRYPTO_AUTH_BYTES = 32; + anyobject.CRYPTO_AUTH_KEYBYTES = 32; + anyobject.CRYPTO_BOX_SEALBYTES = 16; + anyobject.CRYPTO_BOX_SECRETKEYBYTES = 32; + anyobject.CRYPTO_BOX_PUBLICKEYBYTES = 32; + anyobject.CRYPTO_BOX_KEYPAIRBYTES = 64; + anyobject.CRYPTO_BOX_MACBYTES = 16; + anyobject.CRYPTO_BOX_NONCEBYTES = 24; + anyobject.CRYPTO_BOX_SEEDBYTES = 32; + anyobject.CRYPTO_KDF_BYTES_MIN = 16; + anyobject.CRYPTO_KDF_BYTES_MAX = 64; + anyobject.CRYPTO_KDF_CONTEXTBYTES = 8; + anyobject.CRYPTO_KDF_KEYBYTES = 32; + anyobject.CRYPTO_KX_BYTES = 32; + anyobject.CRYPTO_KX_PRIMITIVE = 'x25519blake2b'; + anyobject.CRYPTO_KX_SEEDBYTES = 32; + anyobject.CRYPTO_KX_KEYPAIRBYTES = 64; + anyobject.CRYPTO_KX_PUBLICKEYBYTES = 32; + anyobject.CRYPTO_KX_SECRETKEYBYTES = 32; + anyobject.CRYPTO_KX_SESSIONKEYBYTES = 32; + anyobject.CRYPTO_GENERICHASH_BYTES = 32; + anyobject.CRYPTO_GENERICHASH_BYTES_MIN = 16; + anyobject.CRYPTO_GENERICHASH_BYTES_MAX = 64; + anyobject.CRYPTO_GENERICHASH_KEYBYTES = 32; + anyobject.CRYPTO_GENERICHASH_KEYBYTES_MIN = 16; + anyobject.CRYPTO_GENERICHASH_KEYBYTES_MAX = 64; + anyobject.CRYPTO_GENERICHASH_STATEBYTES = 384; + anyobject.CRYPTO_PWHASH_SALTBYTES = 16; + anyobject.CRYPTO_PWHASH_STRPREFIX = '$argon2id$'; + anyobject.CRYPTO_PWHASH_ALG_ARGON2I13 = 1; + anyobject.CRYPTO_PWHASH_ALG_ARGON2ID13 = 2; + anyobject.CRYPTO_PWHASH_ALG_DEFAULT = anyobject.CRYPTO_PWHASH_ALG_ARGON2ID13; + anyobject.CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE = 2; + anyobject.CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE = 67108864; + anyobject.CRYPTO_PWHASH_OPSLIMIT_MODERATE = 3; + anyobject.CRYPTO_PWHASH_MEMLIMIT_MODERATE = 268435456; + anyobject.CRYPTO_PWHASH_OPSLIMIT_SENSITIVE = 4; + anyobject.CRYPTO_PWHASH_MEMLIMIT_SENSITIVE = 1073741824; + anyobject.CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES = 32; + anyobject.CRYPTO_SCALARMULT_BYTES = 32; + anyobject.CRYPTO_SCALARMULT_SCALARBYTES = 32; + anyobject.CRYPTO_SHORTHASH_BYTES = 8; + anyobject.CRYPTO_SHORTHASH_KEYBYTES = 16; + anyobject.CRYPTO_SECRETBOX_KEYBYTES = 32; + anyobject.CRYPTO_SECRETBOX_MACBYTES = 16; + anyobject.CRYPTO_SECRETBOX_NONCEBYTES = 24; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_STATEBYTES = 52; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_ABYTES = 17; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_HEADERBYTES = 24; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_KEYBYTES = 32; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PUSH = 0; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_PULL = 1; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_REKEY = 2; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_TAG_FINAL = 3; + anyobject.CRYPTO_SECRETSTREAM_XCHACHA20POLY1305_MESSAGEBYTES_MAX = 0x3fffffff80; + anyobject.CRYPTO_SIGN_BYTES = 64; + anyobject.CRYPTO_SIGN_SEEDBYTES = 32; + anyobject.CRYPTO_SIGN_PUBLICKEYBYTES = 32; + anyobject.CRYPTO_SIGN_SECRETKEYBYTES = 64; + anyobject.CRYPTO_SIGN_KEYPAIRBYTES = 96; + anyobject.CRYPTO_STREAM_KEYBYTES = 32; + anyobject.CRYPTO_STREAM_NONCEBYTES = 24; + return anyobject; + } + + /** + * Coerce input to a Buffer, throwing a TypeError if it cannot be coerced. + * + * @param {string|Buffer|Uint8Array|Promise<Buffer>} stringOrBuffer + * @returns {Buffer} + */ + static async toBuffer(stringOrBuffer) + { + if (Buffer.isBuffer(stringOrBuffer)) { + return stringOrBuffer; + } else if (stringOrBuffer === null) { + return null; + } else if (typeof(stringOrBuffer) === 'string') { + return Buffer.from(stringOrBuffer, 'binary'); + } else if (stringOrBuffer instanceof Uint8Array) { + return arrayToBuffer(stringOrBuffer); + } else if (stringOrBuffer instanceof Promise) { + return await stringOrBuffer; + } else { + throw new TypeError('Invalid type; string or buffer expected'); + } + } +}; |