proc pbkdf2_sha1encode(password: SecretKey; salt: string; iterations = 24400): string {.
    inline, ...raises: [ValueError], tags: [], forbids: [].}

proc pbkdf2_sha1verify(password: SecretKey; encoded: string): bool {.
    ...raises: [ValueError], tags: [], forbids: [].}

proc pbkdf2_sha256encode(password: SecretKey; salt: string; iterations = 24400): string {.
    inline, ...raises: [ValueError], tags: [], forbids: [].}

proc pbkdf2_sha256verify(password: SecretKey; encoded: string): bool {.
    ...raises: [ValueError], tags: [], forbids: [].}