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13 lines
569 B
JavaScript
13 lines
569 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.ed25519DeriveHard = ed25519DeriveHard;
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const util_1 = require("@pezkuwi/util");
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const asU8a_js_1 = require("../blake2/asU8a.js");
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const HDKD = (0, util_1.compactAddLength)((0, util_1.stringToU8a)('Ed25519HDKD'));
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function ed25519DeriveHard(seed, chainCode) {
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if (!(0, util_1.isU8a)(chainCode) || chainCode.length !== 32) {
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throw new Error('Invalid chainCode passed to derive');
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}
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return (0, asU8a_js_1.blake2AsU8a)((0, util_1.u8aConcat)(HDKD, seed, chainCode));
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}
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