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Finalization and key setup figures for hash/auth algorithms

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Rhys Weatherley
2015-04-02 16:33:47 +10:00
parent d50a7fed2d
commit 47ab405e7f
10 changed files with 392 additions and 19 deletions
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doc/crypto.dox
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@@ -76,29 +76,30 @@ Ardunino Mega 2560 running at 16 MHz are similar:
<tr><td>GCM&lt;AES192&gt;</td><td align="right">194.17us</td><td align="right">193.72us</td><td align="right">1628.67us</td><td align="right">348</td></tr>
<tr><td>GCM&lt;AES256&gt;</td><td align="right">201.47us</td><td align="right">201.02us</td><td align="right">1923.78us</td><td align="right">380</td></tr>
<tr><td colspan="5"> </td></tr>
<tr><td>Hash Algorithm</td><td align="right">Hashing (per byte)</td><td align="right">Finalization</td><td>Key Setup</td><td>State Size (bytes)</td></tr>
<tr><td>SHA1</td><td align="right">21.90us</td><td> </td><td align="right"> </td><td align="right">95</td></tr>
<tr><td>SHA256</td><td align="right">43.85us</td><td> </td><td align="right"> </td><td align="right">107</td></tr>
<tr><td>SHA512</td><td align="right">123.24us</td><td> </td><td align="right"> </td><td align="right">211</td></tr>
<tr><td>SHA3_256</td><td align="right">121.69us</td><td> </td><td align="right"> </td><td align="right">405</td></tr>
<tr><td>SHA3_512</td><td align="right">229.12us</td><td> </td><td align="right"> </td><td align="right">405</td></tr>
<tr><td>BLAKE2s</td><td align="right">18.54us</td><td> </td><td align="right"> </td><td align="right">171</td></tr>
<tr><td>BLAKE2b</td><td align="right">50.58us</td><td> </td><td align="right"> </td><td align="right">339</td></tr>
<tr><td>Poly1305</td><td align="right">26.29us</td><td> </td><td align="right"> </td><td align="right">87</td></tr>
<tr><td>GHASH</td><td align="right">148.14us</td><td> </td><td align="right"> </td><td align="right">33</td></tr>
<tr><td>Hash Algorithm</td><td align="right">Hashing (per byte)</td><td align="right">Finalization</td><td> </td><td>State Size (bytes)</td></tr>
<tr><td>SHA1</td><td align="right">21.90us</td><td align="right">1423.28us</td><td align="right"> </td><td align="right">95</td></tr>
<tr><td>SHA256</td><td align="right">43.85us</td><td align="right">2841.04us</td><td align="right"> </td><td align="right">107</td></tr>
<tr><td>SHA512</td><td align="right">122.82us</td><td align="right">15953.42us</td><td align="right"> </td><td align="right">211</td></tr>
<tr><td>SHA3_256</td><td align="right">121.69us</td><td align="right">16486.33us</td><td align="right"> </td><td align="right">405</td></tr>
<tr><td>SHA3_512</td><td align="right">229.12us</td><td align="right">16502.34us</td><td align="right"> </td><td align="right">405</td></tr>
<tr><td>BLAKE2s</td><td align="right">18.54us</td><td align="right">1200.06us</td><td align="right"> </td><td align="right">171</td></tr>
<tr><td>BLAKE2b</td><td align="right">50.70us</td><td align="right">6515.87us</td><td align="right"> </td><td align="right">339</td></tr>
<tr><td colspan="5"> </td></tr>
<tr><td>Authentication Algorithm</td><td align="right">Hashing (per byte)</td><td align="right">Finalization</td><td>Key Setup</td><td>State Size (bytes)</td></tr>
<tr><td>SHA1 (HMAC mode)</td><td align="right">21.90us</td><td align="right">4296.33us</td><td align="right">1420.24us</td><td align="right">95</td></tr>
<tr><td>SHA256 (HMAC mode)</td><td align="right">43.85us</td><td align="right">8552.61us</td><td align="right">2836.49us</td><td align="right">107</td></tr>
<tr><td>BLAKE2s (HMAC mode)</td><td align="right">18.54us</td><td align="right">3649.98us</td><td align="right">1214.81us</td><td align="right">171</td></tr>
<tr><td>Poly1305</td><td align="right">26.29us</td><td align="right">486.15us</td><td align="right">17.26us</td><td align="right">87</td></tr>
<tr><td>GHASH</td><td align="right">148.14us</td><td align="right">17.09us</td><td align="right">21.87us</td><td align="right">33</td></tr>
<tr><td colspan="5"> </td></tr>
<tr><td>Public Key Operation</td><td align="right">Time (per operation)</td><td colspan="3">Comment</td></tr>
<tr><td>Curve25519::eval()</td><td align="right">3738ms</td><td colspan="3">Raw curve evaluation</td></tr>
<tr><td>Curve25519::dh1()</td><td align="right">3740ms</td><td colspan="3">First half of Diffie-Hellman key agreement</td></tr>
<tr><td>Curve25519::dh2()</td><td align="right">3738ms</td><td colspan="3">Second half of Diffie-Hellman key agreement</td></tr>
</table>
Where a cipher supports more than one key size (such as ChaCha), the values
are typically almost identical for 128-bit and 256-bit keys so only the
maximum is shown above.
Public key algorithms have the following results on an Arduino Uno:
<table>
<tr><td>Algorithm</td><td>Operation</td><td>Time</td><td>Comment</td></tr>
<tr><td>Curve25519</td><td>\link Curve25519::eval() eval()\endlink</td><td>3738 ms</td><td>Raw curve evaluation</td></tr>
<tr><td>Curve25519</td><td>\link Curve25519::dh1() dh1()\endlink</td><td>3740 ms</td><td>First half of Diffie-Hellman key agreement</td></tr>
<tr><td>Curve25519</td><td>\link Curve25519::dh2() dh2()\endlink</td><td>3738 ms</td><td>Second half of Diffie-Hellman key agreement</td></tr>
</table>
*/