kris/boringssl
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3 Commits

Author SHA1 Message Date
Adam Langley
993fde5162 Simplify ec_GFp_simple_points_make_affine. 
Replace the tree-like structure by a linear approach, with fewer special
cases to handle value 0.

(Imported from upstream's d5213519c0ed87c71136084e7e843a4125ecc024.)

Change-Id: Icdd4815066bdbab0d2c0020db6a8cacc49b3d82a
Reviewed-on: https://boringssl-review.googlesource.com/1400
Reviewed-by: Adam Langley <agl@google.com>
 2014-08-05 21:22:38 +00:00
Adam Langley
aeb088ac09 EC infinity fix. 
Fix handling of points at infinity in ec_GFp_simple_points_make_affine.
When inverting an array of Z coordinates, the algorithm is supposed to
treat any 0 essentially like a 1 to remain in the multiplicative group;
however, for one of the cases, we incorrectly multiplied by 0 and thus
ended up with garbage.
 2014-06-20 13:17:36 -07:00
Adam Langley
95c29f3cd1 Inital import. 
Initial fork from f2d678e6e89b6508147086610e985d4e8416e867 (1.0.2 beta).

(This change contains substantial changes from the original and
effectively starts a new history.)
 2014-06-20 13:17:32 -07:00