+extern GOST_cipher magma_ecb_cipher;
+extern GOST_cipher magma_cbc_cipher;
+extern GOST_cipher magma_mgm_cipher;
+extern GOST_cipher grasshopper_ecb_cipher;
+extern GOST_cipher grasshopper_cbc_cipher;
+extern GOST_cipher grasshopper_cfb_cipher;
+extern GOST_cipher grasshopper_ofb_cipher;
+extern GOST_cipher grasshopper_ctr_cipher;
+extern GOST_cipher grasshopper_mgm_cipher;
+extern GOST_cipher grasshopper_ctr_acpkm_cipher;
+extern GOST_cipher grasshopper_ctr_acpkm_omac_cipher;
+extern GOST_cipher magma_kexp15_cipher;
+extern GOST_cipher kuznyechik_kexp15_cipher;
+
+/* Provider implementation data */
+extern const OSSL_ALGORITHM GOST_prov_ciphers[];
+void GOST_prov_deinit_ciphers(void);
+
+struct gost_digest_st {
+ struct gost_digest_st *template;
+ int nid;
+ const char *alias;
+ EVP_MD *digest;
+ int result_size;
+ int input_blocksize;
+ int app_datasize;
+ int flags;
+ int (*init)(EVP_MD_CTX *ctx);
+ int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
+ int (*final)(EVP_MD_CTX *ctx, unsigned char *md);
+ int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from);
+ int (*cleanup)(EVP_MD_CTX *ctx);
+ int (*ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
+};
+typedef struct gost_digest_st GOST_digest;
+
+EVP_MD *GOST_init_digest(GOST_digest *d);
+void GOST_deinit_digest(GOST_digest *d);
+
+/* ENGINE implementation data */
+extern GOST_digest GostR3411_94_digest;
+extern GOST_digest Gost28147_89_MAC_digest;
+extern GOST_digest Gost28147_89_mac_12_digest;
+extern GOST_digest GostR3411_2012_256_digest;
+extern GOST_digest GostR3411_2012_512_digest;
+extern GOST_digest magma_mac_digest;
+extern GOST_digest grasshopper_mac_digest;
+extern GOST_digest kuznyechik_ctracpkm_omac_digest;
+
+/* Provider implementation data */
+extern const OSSL_ALGORITHM GOST_prov_digests[];
+void GOST_prov_deinit_digests(void);
+
+/* job to initialize a missing NID */
+struct gost_nid_job {
+ const char *sn;
+ const char *ln;
+ void (*callback)(int nid);
+ ASN1_OBJECT *asn1;
+};
+
+typedef struct gost_nid_job GOST_NID_JOB;
+
+extern GOST_NID_JOB magma_mgm_NID;
+extern GOST_NID_JOB kuznyechik_mgm_NID;
+