Git Repo - secp256k1.git/commit

]> Git Repo - secp256k1.git/commit - src/scalar_impl.h

author	Gregory Maxwell <[email protected]>
	Sat, 11 Jan 2020 01:01:05 +0000 (01:01 +0000)
committer	Gregory Maxwell <[email protected]>
	Thu, 20 Feb 2020 17:27:03 +0000 (17:27 +0000)
commit	34a67c773b0871e5797c7ab506d004e80911f120
tree	583dbba9a12fe76e380356610873f8b22d2545e7	tree \| snapshot
parent	856a01d6ad60c70fd92bdd44fa8584493b87594d	commit \| diff

Eliminate harmless non-constant time operations on secret data.

There were several places where the code was non-constant time
for invalid secret inputs. These are harmless under sane use
but get in the way of automatic const-time validation.

(Nonce overflow in signing is not addressed, nor is s==0 in
signing)

16 files changed:

src/ecdsa_impl.h		diff \| blob \| blame \| history
src/eckey_impl.h		diff \| blob \| blame \| history
src/ecmult_gen_impl.h		diff \| blob \| blame \| history
src/field_10x26_impl.h		diff \| blob \| blame \| history
src/field_5x52_impl.h		diff \| blob \| blame \| history
src/field_impl.h		diff \| blob \| blame \| history
src/modules/ecdh/main_impl.h		diff \| blob \| blame \| history
src/scalar.h		diff \| blob \| blame \| history
src/scalar_4x64_impl.h		diff \| blob \| blame \| history
src/scalar_8x32_impl.h		diff \| blob \| blame \| history
src/scalar_impl.h		diff \| blob \| blame \| history
src/scalar_low.h		diff \| blob \| blame \| history
src/scalar_low_impl.h		diff \| blob \| blame \| history
src/secp256k1.c		diff \| blob \| blame \| history
src/tests.c		diff \| blob \| blame \| history
src/util.h		diff \| blob \| blame \| history

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