https://github.com/mlafeldt/libbig_int

Portable C library to calculate integers and bitsets of arbitrary length
https://github.com/mlafeldt/libbig_int

Last synced: 11 days ago
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Portable C library to calculate integers and bitsets of arbitrary length

• Host: GitHub
• URL: https://github.com/mlafeldt/libbig_int
• Owner: mlafeldt
• License: other
• Created: 2012-04-12T21:28:56.000Z (over 12 years ago)
• Default Branch: master
• Last Pushed: 2020-04-30T19:54:29.000Z (over 4 years ago)
• Last Synced: 2024-07-31T22:56:42.930Z (3 months ago)
• Language: C
• Homepage:
• Size: 43.9 KB
• Stars: 15
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# libbig_int

[![Build Status](https://travis-ci.org/mlafeldt/libbig_int.svg?branch=master)](https://travis-ci.org/mlafeldt/libbig_int)

libbig_int is a portable C library to calculate integers and bitsets of

arbitrary length. The sources were taken from the [big_int] PHP library by

Alexander Valyalkin.

## Installation

To build and install libbig_int, simply run:

```bash

mkdir build

cd build/

cmake ..

make

make install

```

## Usage

Examples using libbig_int:

- [RSA encryption/decryption](https://github.com/mlafeldt/cb2util/blob/v1.6/cb2_crypto.c#L290-L334)

- [RSA signature validation](https://github.com/mlafeldt/cb2util/blob/v1.6/cb2_crypto.c#L775-L816)

[big_int]: https://github.com/valyala/big_int