// Copyright ©2025 blackshirt.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
//
import encoding.hex
import x.crypto.ascon

// The material was generated from https://hashing.tools/ascon/ascon-hash
fn main() {
    msg := 'Example of CXof128 message'.bytes()
    cs := 'custom-string-cxof128'.bytes()

    // expected output generated from the tool, with 32, 64 dan 75-bytes output
    digest32 := hex.decode('d71492b816b1ac27f53f9c13be45c1d2d0530b8dde7fde8d34cb563f79b3d3d3')!
    digest64 :=
        hex.decode('d71492b816b1ac27f53f9c13be45c1d2d0530b8dde7fde8d34cb563f79b3d3d3601d03474ec6fe1f6b8dc5dd79bea20aff4c95ca3549202b1aaeb9e66b5df398')!
    digest75 :=
        hex.decode('d71492b816b1ac27f53f9c13be45c1d2d0530b8dde7fde8d34cb563f79b3d3d3601d03474ec6fe1f6b8dc5dd79bea20aff4c95ca3549202b1aaeb9e66b5df3985a88fd8bce0f9570962321')!

    out32 := ascon.cxof128(msg, 32, cs)!
    out64 := ascon.cxof128(msg, 64, cs)!
    out75 := ascon.cxof128(msg, 75, cs)!
    dump(out32 == digest32) // out32 == digest32: true
    dump(out64 == digest64) // out64 == digest64: true
    dump(out75 == digest75) // out75 == digest75: true

    // With object based
    mut x := ascon.new_cxof128(32, cs)!
    s32 := x.sum(msg)
    dump(s32 == digest32) // s32 == digest32: true

    // with sized output
    x.reset()
    _ := x.write(msg)!
    mut b64 := []u8{len: 64}
    _ := x.read(mut b64)!
    dump(b64 == digest64) // b64 == digest64: true

    x.reset()
    _ := x.write(msg)!
    mut b75 := []u8{len: 75}
    _ := x.read(mut b75)!
    dump(b75 == digest75) // b75 == digest75: true
}