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