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• .. (вверх)
• [DIR] ..
• [FILE] compress.d.ts
• [FILE] compress.js
• [FILE] deriveHard.d.ts
• [FILE] deriveHard.js
• [FILE] expand.d.ts
• [FILE] expand.js
• [FILE] hasher.d.ts
• [FILE] hasher.js
• [FILE] index.d.ts
• [FILE] index.js
• [DIR] pair
• [FILE] recover.d.ts
• [FILE] recover.js
• [FILE] sign.d.ts
• [FILE] sign.js
• [FILE] tweakAdd.d.ts
• [FILE] tweakAdd.js
• [FILE] types.d.ts
• [FILE] types.js
• [FILE] verify.d.ts
• [FILE] verify.js

Просмотр файла: deriveHard.js

import { compactAddLength, isU8a, stringToU8a, u8aConcat } from '@polkadot/util';
import { blake2AsU8a } from '../blake2/asU8a.js';
const HDKD = compactAddLength(stringToU8a('Secp256k1HDKD'));
export function secp256k1DeriveHard(seed, chainCode) {
    if (!isU8a(chainCode) || chainCode.length !== 32) {
        throw new Error('Invalid chainCode passed to derive');
    }
    // NOTE This is specific to the Substrate HDD derivation, so always use the blake2 hasher
    return blake2AsU8a(u8aConcat(HDKD, seed, chainCode), 256);
}

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