<div dir="ltr">See<div><br><div><a href="https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html">https://security.googleblog.com/2017/02/announcing-first-sha1-collision.html</a></div><div><br></div><div><br clear="all"><div>Remember that digital signature of OPC uses SHA-1 </div><div>and allows nothing else.</div><div><br></div>-- <br><div class="gmail_signature">Regards,<br>Makoto</div>
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