encryption 5 Xchacha20 4 Poly1305 4 cryptography 4 ChaCha20 4 security 3 EdDSA 2 aes-256-gcm 2 laravel 2 X25519 2 sodium 2 Curve25519 2 Authentication 2 php 2 xsalsa20poly1305 1 xchacha20-poly1305 1 x25519 1 cipher 1 libsodium 1 MAC 1 authenticated 1 decryption 1 digital signature 1 authenticated encryption 1 AES-256 1 asymmetric cryptography 1 block cipher 1 public key cryptography 1 secret key cryptography 1 stream cipher 1 symmetric cryptography 1 authenticated encryption with associated data 1 asymmetric-cryptography 1 block-cipher 1 digital-signature 1 php-library 1 public-key-cryptography 1 secret-key-cryptography 1 stream-cipher 1 symmetric-cryptography 1 ecdh 1 elliptic curve 1 side-channel resistant 1 elliptic curve cryptography 1 Pure-PHP cryptography 1 Elliptic Curve Diffie-Hellman 1 Ed25519 1 Edwards-curve Digital Signature Algorithm 1 Salsa20 1 Xsalsa20 1 BLAKE2b 1 public-key cryptography 1 secret-key cryptography 1 RFC 7748 1 RFC 8032 1 Chapoly 1 Salpoly 1 ChaCha20-Poly1305 1 XSalsa20-Poly1305 1 XChaCha20-Poly1305 1 blake2b 1 cryptography-library 1 curve25519 1 ed25519 1 php-polyfill 1 siphash 1 sodium-compat 1