<p>I wrote the original WPA code in 2009, and definitely successfully booted with it at that time. It looks like the incorrect-polarity memcmp() was only introduced in 2014: <a class="commit-link" data-hovercard-type="commit" data-hovercard-url="https://github.com/ipxe/ipxe/commit/8ee39f7432e63c2382ab3e7d24e234310f4532c9/hovercard" href="https://github.com/ipxe/ipxe/commit/8ee39f7432e63c2382ab3e7d24e234310f4532c9"><tt>8ee39f7</tt></a></p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/ipxe/ipxe/pull/103?email_source=notifications&email_token=AAFNGVH3QTE3TZCIYLLPR2TQ5YQVLA5CNFSM4KGZGGS2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEI6CUBA#issuecomment-574368260">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AAFNGVCIZD2RRUJLGMC3YRLQ5YQVLANCNFSM4KGZGGSQ">unsubscribe</a>.<img src="https://github.com/notifications/beacon/AAFNGVCRA3UVOCS5XRGBOT3Q5YQVLA5CNFSM4KGZGGS2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEI6CUBA.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/ipxe/ipxe/pull/103?email_source=notifications\u0026email_token=AAFNGVH3QTE3TZCIYLLPR2TQ5YQVLA5CNFSM4KGZGGS2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEI6CUBA#issuecomment-574368260",
"url": "https://github.com/ipxe/ipxe/pull/103?email_source=notifications\u0026email_token=AAFNGVH3QTE3TZCIYLLPR2TQ5YQVLA5CNFSM4KGZGGS2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEI6CUBA#issuecomment-574368260",
"name": "View Pull Request"
},
"description": "View this Pull Request on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>