import logger from 'log'

const log = logger('crypto:pbkdf')

export async function pbkdf(password: string, salt: Uint8Array, usages: KeyUsage[]): Promise<CryptoKey> {
    log.trace('derive')
    log.debug(`Usages : ${usages}`)

    const keyMaterial = await window.crypto.subtle.importKey(
        "raw",
        new TextEncoder().encode(password),
        "PBKDF2",
        false,
        ["deriveBits", "deriveKey"],
    )

    return crypto.subtle.deriveKey(
        {
            name: "PBKDF2",
            iterations: 250_000,
            hash: "SHA-512",
            salt,
        },
        keyMaterial,
        {name: "AES-GCM", length: 256},
        false,
        usages,
    )
}