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fun/examples/crypto/libressl_sha256.fun

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Standard ML

#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://fun-lang.xyz/
*
* Copyright 2026 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the Apache-2.0 license.
* https://opensource.org/license/apache-2-0
*
* Added: 2026-02-19
*/
// LibreSSL SHA-256 example
// Enable with -DFUN_WITH_LIBRESSL=ON during build for real hashing.
s = "abc"
d = libressl_sha256(s)
print("sha256(abc) = " + d)
// Another quick check (empty string)
e = ""
print("sha256(\"\") = " + libressl_sha256(e))
/* Expected output:
sha256(abc) = ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad
sha256("") = e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
*/