A JavaScript library for easy RSA and AES encryption, decryption, and message signing.
Cryptico is a JavaScript encryption library that provides an easy-to-use API for implementing secure communication using RSA and AES. It solves the problem of complex cryptographic implementations by offering simple functions for key generation, encryption, decryption, and message signing. Developers can quickly add end-to-end encryption to web applications without deep cryptographic knowledge.
JavaScript developers building web applications that require secure messaging, data encryption, or digital signatures, particularly those who need an accessible cryptography solution without implementing low-level algorithms.
Developers choose Cryptico because it combines strong RSA and AES encryption with an exceptionally simple API, making secure communication implementation straightforward. Its passphrase-based key generation and built-in signing capabilities provide a complete encryption solution in one lightweight library.
An easy-to-use encryption system utilizing RSA and AES for javascript.
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Combines AES for fast message encryption with RSA for secure key exchange, implementing a proven security model described in the technical documentation for efficient, strong encryption.
Allows repeatable RSA key creation from a passphrase and bitlength using SHA256 hashing, simplifying key management without requiring secure key storage, as shown in the key generation API.
Supports optional digital signatures with RSA keys for message authentication, and the decrypt function returns a 'forged' status for failed verifications, enhancing security awareness.
Provides public keys in a text-friendly, ASCII-armored string format for easy sharing and storage, as demonstrated in the examples for emailing keys between users.
Uses MD5 for public key IDs, which is cryptographically broken and not recommended for security-sensitive applications, posing a potential risk despite its convenience for manual identification.
Relies on multiple external libraries (e.g., for RSA, AES, SHA256) that may not be actively maintained or audited, introducing security and maintenance risks over time.
Focuses solely on RSA and AES without support for modern alternatives like ECC or post-quantum cryptography, restricting its use in forward-looking cryptographic applications.
Lacks guidance on best practices, such as key rotation, passphrase strength, or handling large data, leaving developers to figure out critical security aspects on their own.