insecure.wit

package wasi:[email protected];
/// The insecure interface for insecure pseudo-random numbers.
///
/// It is intended to be portable at least between Unix-family platforms and
/// Windows.
@since(version = 0.3.0-rc-2025-08-15)
interface insecure {
    /// Return `len` insecure pseudo-random bytes.
    ///
    /// This function is not cryptographically secure. Do not use it for
    /// anything related to security.
    ///
    /// There are no requirements on the values of the returned bytes, however
    /// implementations are encouraged to return evenly distributed values with
    /// a long period.
    @since(version = 0.3.0-rc-2025-08-15)
    get-insecure-random-bytes: func(len: u64) -> list<u8>;

    /// Return an insecure pseudo-random `u64` value.
    ///
    /// This function returns the same type of pseudo-random data as
    /// `get-insecure-random-bytes`, represented as a `u64`.
    @since(version = 0.3.0-rc-2025-08-15)
    get-insecure-random-u64: func() -> u64;
}