PHP Secure Communications Library
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CAUTION: END OF SUPPORT ON 14 AUG 2026. The 'jsrsasign' (RSA-Sign JavaScript Library) is an opensource free cryptography library supporting RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp, CAdES and JSON Web Signature/Token in pure JavaScript.
- asn1
- x509
- certificate
- crl
Port of TweetNaCl cryptographic library to JavaScript
- crypto
- javascript
- authentication
- signature
ECDH and ECDSA for 8-bit, 32-bit, and 64-bit processors.
pure-python ECDSA signature/verification and ECDH key agreement
- python
- elliptic-curves
- cryptography
- digital-signatures
Audited & minimal JS implementation of elliptic curve cryptography.
- crypto
- cryptography
- ecdsa
- ed25519
Fastest 5KB JS implementation of secp256k1 signatures and ECDH
- secp256k1
- ecdsa
- ecc
- cryptography
Usable, easy and safe pure-Rust crypto
- cryptography
- rust
- crypto
- chacha20-poly1305
Fastest 5KB JS implementation of ed25519 signatures
- ed25519
- curve25519
- eddsa
- cryptography
Auditable & minimal JS implementation of public-key post-quantum cryptography
- dilithium
- kyber
- ml-kem
- post-quantum-cryptography
JSON Web Token library
- jwt
- jwt-bearer-tokens
- rsa-signature
- hmac
Crypto for Modern Object Pascal
- ecdsa
- cryptography
- delphi
- fpc
Sockets with pure VB6 impl of TLS encryption
Swift cryptography library for Bitcoin and Nostr. ECDSA, Schnorr, ECDH, and zero-knowledge proofs on secp256k1. Apple platforms and Linux.
- taproot
- secp256k1
- swift
- schnorr
CryptoNet is simple, fast and a lightweight asymmetric and symmetric encryption library.
- rsa
- decryption
- csharp
- encryption
Ultra high-performance secp256k1 ECC engine | Python, Node.js, Rust, Go, C#, Swift, Java bindings | CUDA, Metal, OpenCL GPU | ECDSA, Schnorr, FROST, MuSig2, BIP-352 | 15+ platforms
- cryptography
- cuda
- riscv
- secp256k1
Minimal JS implementation of older cryptography algorithms: RSA, DSA, DH.
- cryptography
- dh
- diffie-hellman
- dsa
MicroPython bindings for some MbedTLS EC and x509 cert/csr functions.
- ecdsa
- mbedtls
- micropython
- tls