-static EVP_CIPHER* cipher_gost_grasshopper_create(int cipher_type, int block_size);
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-static const int cipher_gost_grasshopper_setup(EVP_CIPHER* cipher, uint8_t mode, int iv_size, bool padding);
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-static const EVP_CIPHER* cipher_gost_grasshopper(uint8_t mode, uint8_t num);
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-extern const EVP_CIPHER* cipher_gost_grasshopper_ecb();
-extern const EVP_CIPHER* cipher_gost_grasshopper_cbc();
-extern const EVP_CIPHER* cipher_gost_grasshopper_ofb();
-extern const EVP_CIPHER* cipher_gost_grasshopper_cfb();
-extern const EVP_CIPHER* cipher_gost_grasshopper_ctr();