tls12_crypto_info_chacha20_poly1305
struct tls12_crypto_info_chacha20_poly1305 chacha20_poly1305;
CIPHER_DESC_NONCE0(TLS_CIPHER_CHACHA20_POLY1305, tls12_crypto_info_chacha20_poly1305, "rfc7539(chacha20,poly1305)", false),
CHECK_CIPHER_DESC(TLS_CIPHER_CHACHA20_POLY1305, tls12_crypto_info_chacha20_poly1305);
struct tls12_crypto_info_chacha20_poly1305 chacha20;
tls12->len = sizeof(struct tls12_crypto_info_chacha20_poly1305);