+void CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
+ const unsigned char *in, unsigned char *out,
+ size_t len, ctr128_f stream);
+void CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
+ const unsigned char *in, unsigned char *out,
+ size_t len, ctr128_f stream);