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Add constant-time multiply secp256k1_ecmult_const for ECDH

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Designed with clear separation of the wNAF conversion, precomputation
and exponentiation (since the precomp at least we will probably want
to separate in the API for users who reuse points a lot.

Future work:
  - actually separate precomp in the API
  - do multiexp rather than single exponentiation
This commit is contained in:
Andrew Poelstra
2015-05-13 17:31:47 -05:00
parent baa75da59d
commit 4401500060
11 changed files with 424 additions and 1 deletions
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Makefile.am
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@@ -19,6 +19,8 @@ noinst_HEADERS += src/eckey.h
noinst_HEADERS += src/eckey_impl.h
noinst_HEADERS += src/ecmult.h
noinst_HEADERS += src/ecmult_impl.h
noinst_HEADERS += src/ecmult_const.h
noinst_HEADERS += src/ecmult_const_impl.h
noinst_HEADERS += src/ecmult_gen.h
noinst_HEADERS += src/ecmult_gen_impl.h
noinst_HEADERS += src/num.h