Po-Chuan Hsieh 2177ea1bb7 security/libhydrogen: Add libhydrogen 0.0.0.g20240509 ... The Hydrogen library is a small, easy-to-use, hard-to-misuse cryptographic library. Features: - Consistent high-level API, inspired by libsodium. Instead of low-level primitives, it exposes simple functions to solve common problems that cryptography can solve. - 100% built using just two cryptographic building blocks: the Curve25519 elliptic curve, and the Gimli permutation. - Small and easy to audit. Implemented as one tiny file for every set of operation, and adding a single .c file to your project is all it takes to use libhydrogen in your project. - The whole code is released under a single, very liberal license (ISC). - Zero dynamic memory allocations and low stack requirements (median: 32 bytes, max: 128 bytes). This makes it usable in constrained environments such as microcontrollers. - Portable: written in standard C99. Supports Linux, *BSD, MacOS, Windows, and the Arduino IDE out of the box. - Can generate cryptographically-secure random numbers, even on Arduino boards. - Attempts to mitigate the implications of accidental misuse, even on systems with an unreliable PRG and/or no clock.		2024-09-16 04:09:33 +08:00
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