ossl_chacha20_dinit
{ OSSL_FUNC_CIPHER_DECRYPT_INIT, (void (*)(void))ossl_chacha20_dinit },
OSSL_FUNC_cipher_decrypt_init_fn ossl_chacha20_dinit;
return ossl_chacha20_dinit(&ctx->chacha, key, keylen, NULL, 0, NULL);
ret = ossl_chacha20_dinit(&ctx->chacha, NULL, 0,