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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-10-18 17:39:48 -0400 |
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| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-10-18 17:39:48 -0400 |
| commit | 8c9b73f67b786d9c08ffc98cc4b0f9b7c44b7717 (patch) | |
| tree | d75961901641f1d35ed51e604e3fe0fa7e8cb6a2 /ext | |
| parent | 37e3bc3467d0f0648abe9dfb51f558465211fa87 (diff) | |
| download | infinitytier-8c9b73f67b786d9c08ffc98cc4b0f9b7c44b7717.tar.gz infinitytier-8c9b73f67b786d9c08ffc98cc4b0f9b7c44b7717.zip | |
Make Salsa20 variable-round, allowing for Salsa20/12 to be used for Packet encrypt and decrypt. Profiling analysis found that Salsa20 encrypt was accounting for a nontrivial percentage of CPU time, so it makes sense to cut this load fundamentally. There are no published attacks against Salsa20/12, and DJB believes 20 rounds to be overkill. This should be more than enough for our needs. Obviously incorporating ASM Salsa20 is among the next steps for performance.
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