const GO_EVP_AEAD* _goboringcrypto_EVP_aead_aes_256_gcm_tls12(void);
enum go_evp_aead_direction_t {
	go_evp_aead_open = 0,
	go_evp_aead_seal = 1
};
int _goboringcrypto_EVP_AEAD_CTX_init_with_direction(GO_EVP_AEAD_CTX*, const GO_EVP_AEAD*, const uint8_t*, size_t, size_t, enum go_evp_aead_direction_t);

// #include <openssl/bn.h>
/*unchecked (opaque)*/ typedef struct GO_BN_CTX { char data[1]; } GO_BN_CTX;