phpseclib/phpseclib (packagist): PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc.
Keywords: security|cryptography|ssh|encryption|blowfish|crypto|signature|signing|rsa|aes|sftp|x509|x.509|asn1|asn.1|BigInteger|twofish|aes-gcm|diffie-hellman|dsa|ecdh|ecdsa|lts|php