-typedef int (* grasshopper_init_cipher_func)(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv,
- int enc);
-
-typedef int (* grasshopper_do_cipher_func)(EVP_CIPHER_CTX* ctx, unsigned char* out, const unsigned char* in,
- size_t inl);
-
-typedef void (* grasshopper_destroy_cipher_func)(gost_grasshopper_cipher_ctx* c);