kris/boringssl
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3 Commits

Author SHA1 Message Date
Adam Langley
b1b6229fc8 Add NEON implementation of curve25519. 
Nexus 7 goes from 1002.8 ops/sec to 4704.8 at a cost of 10KB of code.
(It'll actually save code if built with -mfpu=neon because then the
generic version can be discarded by the compiler.)

Change-Id: Ia6d02efb2c2d1bb02a07eb56ec4ca3b0dba99382
Reviewed-on: https://boringssl-review.googlesource.com/6524
Reviewed-by: Adam Langley <agl@google.com>
 2015-11-19 00:20:38 +00:00
Adam Langley
3ac32b1eda Fix curve25519 code for MSVC. 
MSVC doesn't like unary minus on unsigned types. Also, the speed test
always failed because the inputs were all zeros and thus had small
order.

Change-Id: Ic2d3c2c9bd57dc66295d93891396871cebac1e0b
 2015-11-17 15:15:05 -08:00
Adam Langley
4fb0dc4b03 Add X25519 and Ed25519 support. 
(Ed25519 support is disabled when |OPENSSL_SMALL| is defined.)

libcrypto.a sizes:

x86-64 -O3 -march=native: +78012 (1584902 → 1662914)
x86-64 -O3 -march=native -DOPENSSL_SMALL: +10596 (1356206 → 1366802)
Android armv7 Thumb -O2 -DOPENSSL_SMALL: +13132 (1258462 → 1271594)

Change-Id: I6a7e64d481e4ce4daa7d5057578081358746cfb9
Reviewed-on: https://boringssl-review.googlesource.com/6497
Reviewed-by: Adam Langley <agl@google.com>
 2015-11-17 21:56:12 +00:00