Transposition Ciphers
Node/Pure JavaScript symmetric ciphers adapter
Audited & minimal JS implementation of Salsa20, ChaCha and AES
Crack row transposition ciphers with ease using bigram analysis.
JavaScript implementations of network transports, cryptography, ciphers, PKI, message digests, and various utilities.
better-sqlite3 with multiple-cipher encryption support
ciphers for the browser
Audited & minimal 0-dependency JS implementation of SHA, RIPEMD, BLAKE, HMAC, HKDF, PBKDF & Scrypt
Audited & minimal JS implementation of elliptic curve cryptography
A custom version of node-forge with selected algorithms.
PowerSync Web SDK
Fastest 5KB JS implementation of ed25519 EDDSA signatures compliant with RFC8032, FIPS 186-5 & ZIP215
Fastest 5KB JS implementation of secp256k1 ECDH & ECDSA signatures compliant with RFC6979
A Hybrid Public Key Encryption (HPKE) module extension for ChaCha20/Poly1305
Zip and unzip, also called matrix transpose
BLAS transpose operations.
A cryptography algorithms library
> **Decrypt the Past • Encrypt the Future**
JavaScript implementations of network transports, cryptography, ciphers, PKI, message digests, and various utilities.
Auditable & minimal JS implementation of post-quantum cryptography: FIPS 203, 204, 205, Falcon
Node.js module which provides OpenSSL bindings for AEAD ciphers
XMLHttpRequest for Node
A Joplin plugin that renders ChordPro song markup directly in your notes with chord diagrams, lyrics formatting, and automatic transposition capabilities.
Fast and tiny fuzzy-search utility