ossl_cipher_context
sizeof(struct ossl_gcm_context) <= sizeof(struct ossl_cipher_context),
sizeof(struct ossl_gcm_context) <= sizeof(struct ossl_cipher_context),
struct ossl_cipher_context dec_ctx;
struct ossl_cipher_context enc_ctx;
(struct ossl_cipher_context *)&ctx);
(struct ossl_cipher_context *)&ctx);
struct ossl_cipher_context key;
sizeof(struct ossl_gcm_context) <= sizeof(struct ossl_cipher_context),