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Rust FFI bindings for StarkWare's crypto-cpp library

starkware-crypto-rs Rust FFI bindings for StarkWare's crypto-cpp library There's currently an issue on the official crypto-cpp repository that prevent

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Category: Rust / Foreign Function Interface
Watchers: 1
Star: 3
Fork: 0
Last update: Jan 14, 2022

Resource links

https://github.com/xJonathanLEI/starkware-crypto-rs

README
Issues 8

starkware-crypto-rs

Rust FFI bindings for StarkWare's crypto-cpp library

There's currently an issue on the official crypto-cpp repository that prevents the library from compiling on macOS. We're using Max Gillett's fork until his PR is merged.

Adding starkware-crypto-rs to your project

To use the crate from crates.io, add the following to your Cargo.toml file:

[dependencies]
starkware-crypto-sys = "0.1"

Running benchmark

To run benchmark:

$ cargo bench

On the author's machine, the results are:

pedersen_hash           time:   [267.08 us 270.36 us 274.40 us]

License

Licensed under either of

Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

1 Open More issues

Closed

Getting public from private key

Hi Jonathan,

I am writing a program that has to compute the STARK public key based on the private key.

I have to private key in the form of a hex encoded string. I then decoded it into a byte slice. However, I see that the get_public_key function accepts a fixed size byte slice of &[u8; 32]. Having looked online, I couldn't find any way of converting &[u8] into &[u8; 32]. So I created a helper function which takes in the input string and attempts to convert it:

fn hex_to_32byte(inp: &str) -> Result<[u8; 32], AllErr> {
    let decoded = hex::decode(inp)?.as_slice();
    let out: [u8; 32];
    
    for i in 0..32 {
        out[i] = decoded[i];
    }

    Ok(out)
}

Is there a more efficient way?

opened Feb 22, 2022 by rhobro 8

Closed

Unable to build on macOS

When building on macOS in a GitHub Actions workflow with cargo build, an error occurs:

  cargo:warning=lib/starkware-crypto/src/starkware/crypto/ffi/utils.cc:1:10: fatal error: 'endian.h' file not found
  cargo:warning=#include <endian.h>
  cargo:warning=         ^~~~~~~~~~
  exit status: 0
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-arch" "x86_64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "/Users/runner/repos/starknet-rs/target/debug/build/starkware-crypto-sys-7e7a1853b703c604/out/lib/starkware-crypto/src/starkware/crypto/pedersen_hash.o" "-c" "lib/starkware-crypto/src/starkware/crypto/pedersen_hash.cc"
  cargo:warning=1 error generated.
  exit status: 1
  exit status: 0
  exit status: 0

  --- stderr

opened Jan 11, 2022 by xJonathanLEI 1

Closed

release: bump version to 0.1.3

Bumps version to v0.1.3 for publishing on crates.io.

opened Jan 12, 2022 by xJonathanLEI 0

Closed

ci: add tests for Windows and macOS

This PR adds Windows and macOS testing to CI pipelines.

Note that currently x86_64-pc-windows-msvc is not tested as it's not supported yet.

opened Jan 12, 2022 by xJonathanLEI 0

Closed

docs: add note on Windows issues to README

This PR adds a note on the issue currently tracked by #3 so that library users are aware.

opened Jan 12, 2022 by xJonathanLEI 0

Closed

feat: switch to upstream fork without endianess conversion

Resolves #4.

opened Jan 12, 2022 by xJonathanLEI 0

Open

Unable to build with GCC 11

OS: Debian GNU/Linux 12 bookworm (testing, amd64) GCC version: 11.3.0

error: failed to run custom build command for `starkware-crypto-sys v0.1.3`

Caused by:
  process didn't exit successfully: `[...]/target/debug/build/starkware-crypto-sys-3a366d1558176dff/build-script-build` (exit status: 1)
  --- stdout
  TARGET = Some("x86_64-unknown-linux-gnu")
  HOST = Some("x86_64-unknown-linux-gnu")
  CXX_x86_64-unknown-linux-gnu = None
  CXX_x86_64_unknown_linux_gnu = None
  HOST_CXX = None
  CXX = None
  CXXFLAGS_x86_64-unknown-linux-gnu = None
  CXXFLAGS_x86_64_unknown_linux_gnu = None
  HOST_CXXFLAGS = None
  CXXFLAGS = None
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/ecdsa.o" "-c" "lib/starkware-crypto/src/starkware/crypto/ecdsa.cc"
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/algebra/prime_field_element.o" "-c" "lib/starkware-crypto/src/starkware/algebra/prime_field_element.cc"
  exit status: 0
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/elliptic_curve_constants.o" "-c" "lib/starkware-crypto/src/starkware/crypto/elliptic_curve_constants.cc"
  exit status: 0
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/ffi/ecdsa.o" "-c" "lib/starkware-crypto/src/starkware/crypto/ffi/ecdsa.cc"
  exit status: 0
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/ffi/pedersen_hash.o" "-c" "lib/starkware-crypto/src/starkware/crypto/ffi/pedersen_hash.cc"
  exit status: 0
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/ffi/utils.o" "-c" "lib/starkware-crypto/src/starkware/crypto/ffi/utils.cc"
  cargo:warning=In file included from lib/starkware-crypto/src/starkware/crypto/pedersen_hash.h:4,
  cargo:warning=                 from lib/starkware-crypto/src/starkware/crypto/ffi/utils.h:6,
  cargo:warning=                 from lib/starkware-crypto/src/starkware/crypto/ffi/utils.cc:4:
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp: In instantiation of ‘constexpr gsl::span<T> gsl::span<T>::subspan(gsl::span<T>::index_type, gsl::span<T>::index_type) const [with T = gsl::byte; gsl::span<T>::index_type = long unsigned int]’:
  cargo:warning=lib/starkware-crypto/src/starkware/crypto/ffi/utils.cc:30:53:   required from here
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:1726:15: error: comparison of unsigned expression in ‘>= 0’ is always true [-Werror=type-limits]
  cargo:warning= 1726 |             0 <= offset && offset <= this->size() &&
  cargo:warning=      |             ~~^~~~~~~~~
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:579:50: note: in definition of macro ‘Expects’
  cargo:warning=  579 | # define Expects( x )  ::gsl::fail_fast_assert( (x) )
  cargo:warning=      |                                                  ^
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:1727:15: error: comparison of unsigned expression in ‘>= 0’ is always true [-Werror=type-limits]
  cargo:warning= 1727 |             0 <= count  && count + offset <= this->size() );
  cargo:warning=      |             ~~^~~~~~~~
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:579:50: note: in definition of macro ‘Expects’
  cargo:warning=  579 | # define Expects( x )  ::gsl::fail_fast_assert( (x) )
  cargo:warning=      |                                                  ^
  cargo:warning=cc1plus: all warnings being treated as errors
  exit status: 1
  running: "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/pedersen_hash.o" "-c" "lib/starkware-crypto/src/starkware/crypto/pedersen_hash.cc"
  cargo:warning=In file included from lib/starkware-crypto/src/starkware/crypto/pedersen_hash.h:4,
  cargo:warning=                 from lib/starkware-crypto/src/starkware/crypto/pedersen_hash.cc:1:
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp: In instantiation of ‘constexpr gsl::span<T> gsl::span<T>::subspan(gsl::span<T>::index_type) const [with T = const starkware::EcPoint<starkware::PrimeFieldElement>; gsl::span<T>::index_type = long unsigned int]’:
  cargo:warning=lib/starkware-crypto/src/starkware/crypto/pedersen_hash.cc:42:67:   required from here
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:1719:20: error: comparison of unsigned expression in ‘>= 0’ is always true [-Werror=type-limits]
  cargo:warning= 1719 |         Expects( 0 <= offset && offset <= this->size() );
  cargo:warning=      |                  ~~^~~~~~~~~
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:579:50: note: in definition of macro ‘Expects’
  cargo:warning=  579 | # define Expects( x )  ::gsl::fail_fast_assert( (x) )
  cargo:warning=      |                                                  ^
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp: In instantiation of ‘constexpr gsl::span<T> gsl::span<T>::subspan(gsl::span<T>::index_type, gsl::span<T>::index_type) const [with T = const starkware::EcPoint<starkware::PrimeFieldElement>; gsl::span<T>::index_type = long unsigned int]’:
  cargo:warning=lib/starkware-crypto/src/starkware/crypto/pedersen_hash.cc:45:57:   required from here
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:1726:15: error: comparison of unsigned expression in ‘>= 0’ is always true [-Werror=type-limits]
  cargo:warning= 1726 |             0 <= offset && offset <= this->size() &&
  cargo:warning=      |             ~~^~~~~~~~~
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:579:50: note: in definition of macro ‘Expects’
  cargo:warning=  579 | # define Expects( x )  ::gsl::fail_fast_assert( (x) )
  cargo:warning=      |                                                  ^
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:1727:15: error: comparison of unsigned expression in ‘>= 0’ is always true [-Werror=type-limits]
  cargo:warning= 1727 |             0 <= count  && count + offset <= this->size() );
  cargo:warning=      |             ~~^~~~~~~~
  cargo:warning=lib/starkware-crypto/src/third_party/gsl/gsl-lite.hpp:579:50: note: in definition of macro ‘Expects’
  cargo:warning=  579 | # define Expects( x )  ::gsl::fail_fast_assert( (x) )
  cargo:warning=      |                                                  ^
  cargo:warning=cc1plus: all warnings being treated as errors
  exit status: 1
  exit status: 0

  --- stderr


  error occurred: Command "c++" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-I" "lib/starkware-crypto/src" "-Wall" "-Wextra" "-std=c++17" "-Werror" "-Wall" "-Wextra" "-fno-strict-aliasing" "-fPIC" "-o" "[...]/openlimits-crypto-com/target/debug/build/starkware-crypto-sys-e7dc842a2c877560/out/lib/starkware-crypto/src/starkware/crypto/ffi/utils.o" "-c" "lib/starkware-crypto/src/starkware/crypto/ffi/utils.cc" with args "c++" did not execute successfully (status code exit status: 1).

opened May 27, 2022 by gsnoff 1

Open

Unable to build on Windows

After the macOS build issue was resolved, it's discovered that the library also fails to build on Windows, for both x86_64-pc-windows-gnu and x86_64-pc-windows-msvc targets.

Target triples to fix:

[ ] x86_64-pc-windows-msvc
[x] x86_64-pc-windows-gnu

opened Jan 12, 2022 by xJonathanLEI 8

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