unsigned int section_size; /* After how much bytes mesh the key,
if 0 never mesh and work like plain ctr. */
unsigned char kdf_seed[8];
+ unsigned char tag[16];
+ EVP_MD_CTX *omac_ctx;
} gost_grasshopper_cipher_ctx_ctr;
typedef int (* grasshopper_init_cipher_func)(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv,
int gost_grasshopper_cipher_init_ctracpkm(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc);
+int gost_grasshopper_cipher_init_ctracpkm_omac(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc);
+
int gost_grasshopper_cipher_init(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv, int enc);
const unsigned char* in, size_t inl);
int gost_grasshopper_cipher_do_ctracpkm(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl);
+int gost_grasshopper_cipher_do_ctracpkm_omac(EVP_CIPHER_CTX* ctx, unsigned char* out,
+ const unsigned char* in, size_t inl);
int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx);
EVP_CIPHER* cipher_gost_grasshopper_create(int cipher_type, int block_size);
-const int cipher_gost_grasshopper_setup(EVP_CIPHER* cipher, uint8_t mode, int iv_size, bool padding);
+const int cipher_gost_grasshopper_setup(EVP_CIPHER* cipher, uint8_t mode, int iv_size, bool padding, int extra_flags);
const EVP_CIPHER* cipher_gost_grasshopper(uint8_t mode, uint8_t num);
extern const EVP_CIPHER* cipher_gost_grasshopper_cfb();
extern const EVP_CIPHER* cipher_gost_grasshopper_ctr();
extern const EVP_CIPHER* cipher_gost_grasshopper_ctracpkm();
+extern const EVP_CIPHER* cipher_gost_grasshopper_ctracpkm_omac();
void cipher_gost_grasshopper_destroy(void);