Sodium Functions
PHP Manual

sodium_crypto_aead_xchacha20poly1305_ietf_keygen

Generate a random XChaCha20-Poly1305 key.

Description

string sodium_crypto_aead_xchacha20poly1305_ietf_keygen()

Generate a random key for use with sodium_crypto_aead_xchacha20poly1305_ietf_encrypt and sodium_crypto_aead_xchacha20poly1305_ietf_decrypt.

Parameters

This function has no parameters.

Return Values

Returns a 256-bit random key.