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https://github.com/pezkuwichain/pezkuwi-common.git
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33 lines
1.1 KiB
JavaScript
33 lines
1.1 KiB
JavaScript
import { blake2b as blake2bJs } from '@noble/hashes/blake2b';
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import { hasBigInt, u8aToU8a } from '@pezkuwi/util';
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import { blake2b, isReady } from '@pezkuwi/wasm-crypto';
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import { createAsHex } from '../helpers.js';
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/**
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* @name blake2AsU8a
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* @summary Creates a blake2b u8a from the input.
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* @description
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* From a `Uint8Array` input, create the blake2b and return the result as a u8a with the specified `bitLength`.
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* @example
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* <BR>
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*
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* ```javascript
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* import { blake2AsU8a } from '@pezkuwi/util-crypto';
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*
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* blake2AsU8a('abc'); // => [0xba, 0x80, 0xa5, 0x3f, 0x98, 0x1c, 0x4d, 0x0d]
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* ```
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*/
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export function blake2AsU8a(data, bitLength = 256, key, onlyJs) {
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const byteLength = Math.ceil(bitLength / 8);
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const u8a = u8aToU8a(data);
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return !hasBigInt || (!onlyJs && isReady())
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? blake2b(u8a, u8aToU8a(key), byteLength)
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: key
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? blake2bJs(u8a, { dkLen: byteLength, key })
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: blake2bJs(u8a, { dkLen: byteLength });
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}
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/**
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* @name blake2AsHex
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* @description Creates a blake2b hex from the input.
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*/
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export const blake2AsHex = /*#__PURE__*/ createAsHex(blake2AsU8a);
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