jsrsasign

opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp and CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK)

v11.1.0 URL: https://unpkg.com/jsrsasign@11.1.0/lib/jsrsasign.js

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@nyren/ts256k1

nyren-ts256k1 is a TypeScript library for working with the secp256k1 elliptic curve. It includes functionality for key generation, encryption, and decryption using secp256k1 and the xchacha20poly1305 algorithm

v1.1.3 URL: https://unpkg.com/@nyren/ts256k1@1.1.3/cjs/main.js

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nyren ts256k1 xchacha20poly1305 secp256k1 encrypt decrypt cryptography encryption security ecdsa key exchange crypto signature curve

@tradle/key-encoder

Library for encoding ECDSA private keys to PEM, DER and raw hex formats

v2.1.1 URL: https://unpkg.com/@tradle/key-encoder@2.1.1/lib/index.js

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js-ecutils

JavaScript Library for Elliptic Curve Cryptography: key exchanges (Diffie-Hellman, Massey-Omura), ECDSA signatures, and Koblitz encoding. Suitable for crypto education and secure systems.

v0.0.1-alpha.36b9004 URL: https://unpkg.com/js-ecutils@0.0.1-alpha.36b9004/dist/npm/index.js

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ecdsa secure-communication public-key-cryptography cryptographic-algorithms digital-signatures javascript-cryptography elliptic-curve-cryptography diffie-hellman-key-exchange ecc-based-protocols message-encoding-and-decoding koblitz-encoding massey-omura-protocol elliptic-curve-operation

@hazae41/berith

WebAssembly port of Ed25519 signatures and X25519 key exchange

v1.2.6 URL: https://unpkg.com/@hazae41/berith@1.2.6/dist/cjs/src/node/index.cjs

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reproducible webassembly cryptography curve25519 ed25519 x25519 signing signature key-exchange diffie-hellman ecdh ecdsa eddsa browser typescript rust unit-tested deno