Function deriveKey

packages/happy-agent/src/encryption.ts:66–72

(master: Uint8Array, usage: string, path: string[])

}

export function deriveKey(master: Uint8Array, usage: string, path: string[]): Uint8Array {
    let state = deriveSecretKeyTreeRoot(master, usage);
    for (const index of path) {
        state = deriveSecretKeyTreeChild(state.chainCode, index);
    }
    return state.key;
}

export function deriveContentKeyPair(secret: Uint8Array): { publicKey: Uint8Array; secretKey: Uint8Array } {
    const seed = deriveKey(secret, 'Happy EnCoder', ['content']);