EVP_aead_chacha20_poly1305
const EVP_AEAD *aead = EVP_aead_chacha20_poly1305();
const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
*aead = EVP_aead_chacha20_poly1305();
else if (aead == EVP_aead_chacha20_poly1305())
if (rl->aead == EVP_aead_chacha20_poly1305())
return EVP_aead_chacha20_poly1305();