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9 Commits (3ed5edb29529d97090cea7f6566feebe11825071)

Author SHA1 Message Date
Adam Ierymenko a297e4a5bf Add build def ZT_NO_TYPE_PUNNING, which when defined disables type punning code that might cause unaligned access errors on architectures that care (e.g. Android/ARM)
11 years ago
Adam Ierymenko f19c3c51d3 Revert slow non-SSE Salsa20 modification since it did not fix Android/ARM issue. Also update Salsa20 comments and clean up a bit.
11 years ago
Adam Ierymenko 7c9949eea3 For @glimberg -- a *possible* fix to the alignment headaches on Android/ARM. If this works we should find a define that can be used to enable it there since it will slow things down on non-x86 other architectures.
11 years ago
Adam Ierymenko 8d2e20ede6 Get rid of __align stuff in Salsa20 -- not portable, does not seem to help much on newer chips.
12 years ago
Adam Ierymenko f2d372545a Salsa20 SSE Windows build fix -- turns out you can't be as loose with SSE intrinsics in Visual Studio
12 years ago
Adam Ierymenko 12692c551e SSE optimized Salsa20 -- anywhere from 20% to 50% faster than plain C version
12 years ago
Adam Ierymenko 8c9b73f67b 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.
13 years ago
Adam Ierymenko ef3e319c64 Several things:
13 years ago
Adam Ierymenko 150850b800 New git repository for release - version 0.2.0 tagged
13 years ago