secp256k1

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Clear sensitive memory without getting optimized out

17

This is a rebase of #448, including a few changes (mostly implementing what I described in #185). I haven't tested this on Windows and I actually haven't reviewed this in...

real-or-random

Replace OpenSSL in cross-testing with micro-ecc(uECC)

24

Adding cross testing against non-openssl implementation was suggested multiple times https://github.com/bitcoin-core/secp256k1/issues/691 I attempted to do it in https://github.com/bitcoin-core/secp256k1/pull/641 but there wasn't good consensus to add rust even to the testing...

elichai

Alternative cmov implementation

6

See the paper "Attacking embedded ECC implementations through cmov side channels" for a description of the problem. @sipa and I discussed this briefly in NYC, and we thought maybe this...

peterdettman

tests: allow user to select tests via command line args

2

This PR introduces the ability for users to select specific tests to run via command line arguments. The aim is to eliminate the need to comment out parts of the...

jonasnick

build: Move generation of prebuilt files out of build system

3

#1245 and its need for #1277 have shown that "abusing" autotools to generate prebuilt files is hard to understand, and remains hard to maintain. > With all this autotools mess,...

real-or-random

Add bitcoin as a topic to this repository

3

Hello, This repository is listed on the [Awesome Bitcoin](https://raw.githubusercontent.com/igorbarinov/awesome-bitcoin/master/README.md) list, which is a collection of useful Bitcoin projects. However, it seems that the 'bitcoin' topic is missing from this repository's...

gourcetools

Naming convention for secret function arguments

2

We should have a naming convention for function arguments that are considered secret by the function (w.r.t to the side channels). This could for example be a prefix, a suffix,...

real-or-random

More parallel tests

5

When running `make -j… check` I noticed it doesn't use more than 3 CPU's at any one time, one for `tests`, `exhaustive_tests` and `noverify_tests`. At least when I tried it...

Sjors

OpenCL support

3

I've been looking for versions of secp256k1 that can run on GPUs. I've found this project, which seems like a fork: https://github.com/ilaychen/ECDSA-OpenCL Maybe it would make sense to upstream some...

cryptoquick

Add dummy constants for keypair and publickey?

19

We would like to enable some for of secure erasure downstream. I'm not able to do this but I'd at least like to provide a "non-secure erase" and then people...

apoelstra