This patch from resolution of https://sourceforge.net/p/mhash/bugs/37/

--- a/src/keygen_test.c
+++ b/src/keygen_test.c
@@ -121,8 +121,6 @@
 	
 	mhash_keygen_ext(KEYGEN_S2K_SALTED, data, key, keysize, password, passlen);
 
-	mutils_memset(tmp, 0, keysize * 2);
-
 	tmp = mutils_asciify(key, keysize);
 
 	result = mutils_strcmp((mutils_word8 *) KEY2, tmp);
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<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/lean.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2020-11-26 04:22:51 +0100'>2020-11-26</span></td><td><a href='/guix/commit/gnu/packages/lean.scm?id=1df6f0f085516da9787eb692952b5f680ac0a6d8'>gnu: lean: Trim synopsis.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lean.scm (lean)[synopsis]: Remove article &amp; package name.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2020-11-26 04:22:50 +0100'>2020-11-26</span></td><td><a href='/guix/commit/gnu/packages/lean.scm?id=b87051b74a4e529b459a6b1a86fd7cec187c70b2'>gnu: lean: Update to 3.23.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/lean.scm (lean): Update to 3.23.0.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>