cr.yp.to update
[email protected] 31 May 2005 06:10:01 -0000
| Newsgroups | gmane.comp.djb.announce |
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diff -ru .old-crypto/conferences.html cr.yp.to/conferences.html --- .old-crypto/conferences.html 2005-05-28 00:53:07.000000000 -0400 +++ cr.yp.to/conferences.html 2005-05-29 14:09:02.000000000 -0400 @@ -390,6 +390,8 @@ <p> 2005.02.24-2005.02.25, invited, attended: Special-purpose Hardware for Attacking Cryptographic Systems (SHARCS). +<a href="http://www.sharcs.org">http://www.sharcs.org</a>; +mirror. Paris. Travel funded by conference. <p> @@ -413,6 +415,8 @@ <p> 2005.05.30-2005.05.30, invited, plan to attend: Quo Vadis Cryptology? Advances in Cryptanalysis. +<a href="http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm">http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm</a>; +mirror. Warsaw, Poland. (Registration unnecessary. Have purchased AAR-CPH train. diff -ru .old-crypto/cv.html cr.yp.to/cv.html --- .old-crypto/cv.html 2005-05-23 11:05:07.000000000 -0400 +++ cr.yp.to/cv.html 2005-05-30 18:15:09.000000000 -0400 @@ -17,13 +17,13 @@ <a href="papers.html#easycbc">easycbc</a>. <li>2005.01.10: <a href="papers.html#poly1305">poly1305</a> -has been accepted to Proceedings of FSE 2005. +has been accepted to FSE 2005. <li>2005.01.13: Posted revision of poly1305. <li>2005.01.19: Posted 2004.11.13 revision of <a href="papers.html#powers2">powers2</a>. <li>2005.01.28: <a href="papers.html#securitywcs">securitywcs</a> -has been accepted to Proceedings of Eurocrypt 2005. +has been accepted to Eurocrypt 2005. <li>2005.02.06: <a href="papers.html#quartic">quartic</a> has been accepted to Mathematics of Computation. @@ -48,14 +48,18 @@ <a href="snuffle.html">Salsa20</a> documentation. <li>2005.05.04: Corrected publisher errors in poly1305. <li>2005.05.09: Posted revision of powers2. -<li>2005.05.13: bruteforce has been accepted -to Proceedings of the STVL Workshop on Symmetric Key Encryption. -<li>2005.05.13: Salsa20 has been accepted -to Proceedings of the STVL Workshop on Symmetric Key Encryption. +<li>2005.05.13: bruteforce has been accepted to SKEW 2005. +<li>2005.05.13: Salsa20 has been accepted to SKEW 2005. <li>2005.05.19: Gave invited seminar talk at <a href="talks.html#2005.05.19">Denmark Technical University</a>. <li>2005.05.23: Gave refereed conference talk at <a href="talks.html#2005.05.23">Eurocrypt 2005</a>. +<li>2005.05.26: Gave refereed conference talk at +<a href="talks.html#2005.05.26">SKEW 2005</a>. +<li>2005.05.27: Gave another refereed conference talk at +<a href="talks.html#2005.05.27">SKEW 2005</a>. +<li>2005.05.30: Gave invited conference talk at +<a href="talks.html#2005.05.30">Quo Vadis Cryptology</a>. </ul> Also a clarification: I should have said in Section 4 of activities-20050107 diff -ru .old-crypto/streamciphers.html cr.yp.to/streamciphers.html --- .old-crypto/streamciphers.html 2005-05-28 12:23:37.000000000 -0400 +++ cr.yp.to/streamciphers.html 2005-05-30 09:04:15.000000000 -0400 @@ -31,6 +31,7 @@ Aimed at hardware. <li>WG, by Nawaz and Gong. Aimed at hardware. <li>Py, by Biham and Seberry. +<li>Py6, by Biham and Seberry. <li>Mosquito, by Daemen and Kitsos. Aimed at hardware. ``More of a research object than a standard proposal,'' Daemen says. @@ -190,6 +191,7 @@ 2622 cycles to load a key; 5492 cycles to load a nonce; 5.78 cycles/byte to encrypt a big block. +(I think this can be improved by nearly a factor of 2.) For a PowerPC (unspecified model), 2891 cycles to load a key; 5003 cycles to load a nonce; @@ -201,6 +203,10 @@ low-overhead ciphers such as Salsa20 will already have finished encrypting an average-size Internet packet before Py has finished loading a nonce. +<h2>Notes on Py6</h2> +Scaled-down version of Py. +Smaller key-loading time and nonce-loading time; +same cycles/byte to encrypt a big block. <h2>Notes on Polar Bear</h2> Key length: as large as 16 bytes? Nonce length: as large as 32 bytes. @@ -221,6 +227,9 @@ Nonce as large as 16 bytes. 380 bytes of memory. Authors report 12.5 cycles/byte for Pentium 4. +<p> +Initial impression: +Timing-attack problems, like RC4. <h2>Notes on LEX</h2> ``Leak extraction'' from AES. Specifically, extracts 320 bits from each AES encryption; @@ -233,6 +242,8 @@ 489662 cycles for setup, plus 133 cycles/byte to encrypt a big block. Uses Mersenne Twister, by Matsumoto and Nishimura. +<p> +Initial impression: So slow that nobody will look at it. <h2>Notes on ABC</h2> Key length: 16 bytes. Nonce length: 16 bytes. New: talks/20050530.pdf diff -ru .old-crypto/talks.html cr.yp.to/talks.html --- .old-crypto/talks.html 2005-05-28 01:08:10.000000000 -0400 +++ cr.yp.to/talks.html 2005-05-30 09:16:34.000000000 -0400 @@ -994,6 +994,8 @@ invited conference talk <a href="talks/20050225.pdf">[PDF slides]</a>: Special-purpose Hardware for Attacking Cryptographic Systems (SHARCS). +<a href="http://www.sharcs.org">http://www.sharcs.org</a>; +mirror. ``Building circuits for integer factorization.'' Abstract: ``I'll present my latest work on <i>verifiable</i> upper bounds for the money and time needed to factor 1024-bit integers. @@ -1053,8 +1055,10 @@ <a name="2005.05.30-1">2005.05.30</a> 11:00-12:30, invited conference talk -[PDF slides not available yet]: +<a href="talks/20050530.pdf">[PDF slides]</a>: Quo Vadis Cryptology? Advances in Cryptanalysis. +<a href="http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm">http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm</a>; +mirror. Warsaw, Poland. ``The power of parallel computation.'' Abstract: @@ -1068,8 +1072,11 @@ <p> <a name="2005.05.30-2">2005.05.30</a> 16:00-17:30, -invited panelist. +invited panelist +[no slides]. Quo Vadis Cryptology? Advances in Cryptanalysis. +<a href="http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm">http://ece.gmu.edu/quovadis/quovadis3/quovadis3.htm</a>; +mirror. Warsaw, Poland. ``Advances in factorization.'' <p>