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<div class=Section1>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2 face=Arial><span
lang=EN-GB style='font-size:10.0pt;font-family:Arial;mso-ansi-language:EN-GB;
mso-no-proof:yes'>Zur Information. Christof Paar</span></font><span lang=EN-GB
style='mso-ansi-language:EN-GB;mso-no-proof:yes'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=3
face="Times New Roman"><span lang=EN-GB style='font-size:12.0pt;mso-ansi-language:
EN-GB;mso-no-proof:yes'> <o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>============================================<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>Prof. Christof Paar<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>Chair for Communication Security<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>Dept. of Electr. Eng. &
Information Sciences<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-no-proof:yes'>Ruhr-University Bochum<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-no-proof:yes'>44780 Bochum, Germany</span></font><span style='mso-no-proof:
yes'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><b style='mso-bidi-font-weight:
normal'><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New";font-weight:bold;mso-bidi-font-weight:normal;
mso-no-proof:yes'>URL</span></font></b><font size=2 face="Courier New"><span
style='font-size:10.0pt;font-family:"Courier New";mso-no-proof:yes'>: <a
href="http://www.crypto.rub.de">www.crypto.rub.de</a><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><b style='mso-bidi-font-weight:
normal'><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";mso-ansi-language:EN-GB;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'>Mobil Phone</span></font></b><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>: 0170 790 3393</span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><b style='mso-bidi-font-weight:
normal'><font size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;
font-family:"Courier New";mso-ansi-language:EN-GB;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'>PGP key</span></font></b><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>: </span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-no-proof:yes'><a href="http://www.crypto.rub.de/team.html"><span
lang=EN-GB style='mso-ansi-language:EN-GB'>http://www.crypto.rub.de/team.html</span></a></span></font><span
lang=EN-GB style='mso-ansi-language:EN-GB;mso-no-proof:yes'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB;mso-no-proof:yes'>============================================<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none'><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span lang=EN-GB
style='font-size:12.0pt;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><b><font size=4 face="Courier New"><span lang=EN-GB
style='font-size:14.0pt;font-family:"Courier New";mso-bidi-font-family:"Courier New";
mso-ansi-language:EN-GB;mso-bidi-language:AS;font-weight:bold'>PQCrypto</span></font></b></span><b><font
size=4 face="Courier New"><span lang=EN-GB style='font-size:14.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS;font-weight:bold'> 2006: International Workshop on Post-Quantum
Cryptography<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>Will large quantum computers be built? If so, what will
they do to the cryptographic landscape?<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>Anyone who can build a large quantum computer can break
today's most popular public-key cryptosystems: e.g., RSA, DSA, and ECDSA. But
there are several other cryptosystems that are conjectured to resist quantum<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=GramE><font size=2 face="Courier New"><span lang=EN-GB style='font-size:
10.0pt;font-family:"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:
EN-GB;mso-bidi-language:AS'>computers</span></font></span><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;mso-bidi-language:
AS'>: e.g., the <span class=SpellE>Diffie-Lamport-Merkle</span> signature
system, the NTRU encryption system, the <span class=SpellE>McEliece</span>
encryption system, and the HFE signature system. Exactly which of these systems
are secure? How efficient are they, in theory and in practice?<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=2 face="Courier New"><span lang=EN-GB style='font-size:
10.0pt;font-family:"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:
EN-GB;mso-bidi-language:AS'>PQCrypto</span></font></span><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;mso-bidi-language:
AS'> 2006, the International Workshop on Post-Quantum Cryptography, will look
ahead to a possible future of quantum computers, and will begin preparing the
cryptographic world for that future.<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>More information: </span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-bidi-font-family:"Courier New";mso-bidi-language:AS'><a
href="http://postquantum.cr.yp.to/"><span lang=EN-GB style='mso-ansi-language:
EN-GB'>http://postquantum.cr.yp.to/</span></a></span></font><font size=2
face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:"Courier New";
mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;mso-bidi-language:
AS'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>Registration: </span></font><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
mso-bidi-font-family:"Courier New";mso-bidi-language:AS'><a
href="http://postquantum.cr.yp.to/main-20060202.html#registration"><span
lang=EN-GB style='mso-ansi-language:EN-GB'>http://postquantum.cr.yp.to/main-20060202.html#registration</span></a></span></font><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>Best regards,<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'>Christopher Wolf<o:p></o:p></span></font></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span lang=EN-GB style='font-size:10.0pt;font-family:
"Courier New";mso-bidi-font-family:"Courier New";mso-ansi-language:EN-GB;
mso-bidi-language:AS'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-bidi-font-family:Arial;mso-ansi-language:EN-GB'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial;mso-ansi-language:EN-GB;mso-no-proof:yes'><o:p> </o:p></span></font></p>
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