ipfs storage for images and other nontext items. for use with etica - runs on etica network and currencys
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49 lines
1.6 KiB
49 lines
1.6 KiB
/** |
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* A **Password-Based Key-Derivation Function** is designed to create |
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* a sequence of bytes suitible as a **key** from a human-rememberable |
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* password. |
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* |
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* @_subsection: api/crypto:Passwords [about-pbkdf] |
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*/ |
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import { pbkdf2Sync } from "./crypto.js"; |
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import { getBytes, hexlify } from "../utils/index.js"; |
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let locked = false; |
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const _pbkdf2 = function (password, salt, iterations, keylen, algo) { |
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return pbkdf2Sync(password, salt, iterations, keylen, algo); |
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}; |
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let __pbkdf2 = _pbkdf2; |
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/** |
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* Return the [[link-pbkdf2]] for %%keylen%% bytes for %%password%% using |
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* the %%salt%% and using %%iterations%% of %%algo%%. |
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* |
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* This PBKDF is outdated and should not be used in new projects, but is |
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* required to decrypt older files. |
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* |
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* @example: |
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* // The password must be converted to bytes, and it is generally |
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* // best practices to ensure the string has been normalized. Many |
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* // formats explicitly indicate the normalization form to use. |
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* password = "hello" |
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* passwordBytes = toUtf8Bytes(password, "NFKC") |
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* |
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* salt = id("some-salt") |
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* |
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* // Compute the PBKDF2 |
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* pbkdf2(passwordBytes, salt, 1024, 16, "sha256") |
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* //_result: |
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*/ |
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export function pbkdf2(_password, _salt, iterations, keylen, algo) { |
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const password = getBytes(_password, "password"); |
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const salt = getBytes(_salt, "salt"); |
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return hexlify(__pbkdf2(password, salt, iterations, keylen, algo)); |
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} |
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pbkdf2._ = _pbkdf2; |
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pbkdf2.lock = function () { locked = true; }; |
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pbkdf2.register = function (func) { |
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if (locked) { |
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throw new Error("pbkdf2 is locked"); |
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} |
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__pbkdf2 = func; |
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}; |
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Object.freeze(pbkdf2); |
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//# sourceMappingURL=pbkdf2.js.map
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