Tiny data-over-sound library

A Tunnel which Improves your Network Quality on a High-latency Lossy Link by using Forward Error Correction, possible for All Traffics(TCP/UDP/ICMP)

Practical Cryptography for Developers: Hashes, MAC, Key Derivation, DHKE, Symmetric and Asymmetric Ciphers, Public Key Cryptosystems, RSA, Elliptic Curves, ECC, secp256k1, ECDH, ECIES, Digital Signatures, ECDSA, EdDSA

👻Stowaway -- Multi-hop Proxy Tool for pentesters

A simple vaultless password manager in Go

Fastest 5KB JS implementation of secp256k1 signatures and ECDH

go语言封装的各种对称加密和非对称加密，可以直接使用，包括3重DES，AES的CBC和CTR模式，还有RSA非对称加密,ECC椭圆曲线的加密和数字签名

RSA public/private key generation, RSA, AES encryption/decryption, RSA sign/verify in Swift with CommonCrypto in iOS and OS X

gnark-crypto provides elliptic curve and pairing-based cryptography on BN, BLS12, BLS24 and BW6 curves. It also provides various algorithms (algebra, crypto) of particular interest to zero knowledge proof systems

A tool providing additional ECC protection for optical media (unofficial version)

SM2/SM3/SM4/ECDH crypto library based on OpenSSL.

Crypt::LE - Let's Encrypt / Buypass / ZeroSSL and other ACME-servers client and library in Perl for obtaining free SSL certificates (inc. generating RSA/ECC keys and CSRs). HTTP/DNS verification is supported out of the box, EAB (External Account Binding) supported, easily extended with plugins, easily dockerized.

wolfTPM is a highly portable TPM 2.0 library, designed for embedded use.

High performance PAR2 create client for NodeJS

Fast, general Elliptic Curve Cryptography library. Supports curves used in Bitcoin, Ethereum and other cryptocurrencies (secp256k1, ed25519, ..)

Python implementation of ECC pairing and bn_128 and bls12_381 curve operations

DEPRECATED: use noble-curves instead. Fastest JS implementation of BLS12-381.

Minimal, OpenSSL-less and super lightweight JWT library written in C.

A set of cryptographic primitives for building a multi-hop Proxy Re-encryption scheme, known as Transform Encryption.

webcrypto-liner is a polyfill that let's down-level User Agents (like IE/Edge) use libraries that depend on WebCrypto. (Keywords: Javascript, WebCrypto, Shim, Polyfill)

OPTIGA™ Trust M Host Library for C

PHP client library for Let's Encrypt and other ACME v2 - RFC 8555 compatible Certificate Authorities

Steganography for imageboards

Tool for generating Elliptic curve domain parameters

A WebCrypto Polyfill for Node in TypeScript built on OpenSSL.

2key-ratchet is an implementation of a Double Ratchet protocol and X3DH in TypeScript utilizing WebCrypto.

@peculiar/x509 is an easy to use TypeScript/Javascript library based on @peculiar/asn1-schema that makes generating X.509 Certificates and Certificate Requests as well as validating certificate chains easy

Yet another data-over-sound tool

BCH library C Python module

Pure Java implementation of curve25519, salsa20, hsalsa20, xsalsa20 and poly1305 cryptographic primitives, along with a NaCl "Box" implementation