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aws / s2n-tls

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s2n_stuffer_skip_write usage pattern

2
baldwinmatt
baldwinmatt commented Jun 26, 2020

Problem:

A common pattern is:

GUARD(s2n_stuffer_skip_write(stuffer, bytes_to_write));
uint8_t* ptr = suffer->blob.data + stuffer->write_cursor - bytes_to_write;

which could be simplified.

Solution:

*ptr could be an *out parameter to s2n_stuffer_skip_write

  • Does this change what S2N sends over the wire? No.
  • Does this change any public APIs? No.
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good first issue difficulty/beginner CBMC
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PrivateBin / PrivateBin

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identicon library is abandoned - find and switch to a replacement

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elrido
elrido commented May 22, 2021

As I was running composer to install a new library into our repo, it warned me that:

Package yzalis/identicon is abandoned, you should avoid using it. No replacement was suggested.

I'm not familiar on what packagist.org's process is to declare a package abandoned. I see that the last commit in their repo is from 2019 and there are a number of unanswered issues and pull requests.

I

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help wanted code quality good first issue

ARMmbed / mbedtls

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PSA: Improve size calculations for Montgomery and Edwards curves

gilles-peskine-arm
gilles-peskine-arm commented Jul 26, 2021

The definition and the comment about PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE in include/psa/crypto_sizes.h apply to Weierstrass curves only: 0x04, x, y. This happens to work for Montgomery and Edwards curves as well (because those only use one coordinates, which takes less room), so it's no big deal, but the documentation there is misleading and the definition is suboptimal.

The goal of this

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enhancement component: Crypto good first issue Product Backlog
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homenc / HElib

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HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

cryptography crypto encryption crypto-library privacy-enhancing-technologies encryption-library helib bgv privacy-by-design
  • Updated Jul 29, 2021
  • C++

randombit / botan

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