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Текущая директория: /var/www/bitcardoApp/node_modules/ethers/lib.esm/crypto
Просмотр файла: keccak.js
/**
* Cryptographic hashing functions
*
* @_subsection: api/crypto:Hash Functions [about-crypto-hashing]
*/
import { keccak_256 } from "@noble/hashes/sha3";
import { getBytes, hexlify } from "../utils/index.js";
let locked = false;
const _keccak256 = function (data) {
return keccak_256(data);
};
let __keccak256 = _keccak256;
/**
* Compute the cryptographic KECCAK256 hash of %%data%%.
*
* The %%data%% **must** be a data representation, to compute the
* hash of UTF-8 data use the [[id]] function.
*
* @returns DataHexstring
* @example:
* keccak256("0x")
* //_result:
*
* keccak256("0x1337")
* //_result:
*
* keccak256(new Uint8Array([ 0x13, 0x37 ]))
* //_result:
*
* // Strings are assumed to be DataHexString, otherwise it will
* // throw. To hash UTF-8 data, see the note above.
* keccak256("Hello World")
* //_error:
*/
export function keccak256(_data) {
const data = getBytes(_data, "data");
return hexlify(__keccak256(data));
}
keccak256._ = _keccak256;
keccak256.lock = function () { locked = true; };
keccak256.register = function (func) {
if (locked) {
throw new TypeError("keccak256 is locked");
}
__keccak256 = func;
};
Object.freeze(keccak256);
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