CHACHA20_KEYLEN
if (p != NULL && !OSSL_PARAM_set_size_t(p, CHACHA20_KEYLEN)) {
if (len != CHACHA20_KEYLEN) {
ossl_cipher_generic_initkey(ctx, CHACHA20_KEYLEN * 8,
ossl_prov_cipher_hw_chacha20(CHACHA20_KEYLEN * 8),
CHACHA20_KEYLEN * 8,