X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_grasshopper_cipher.h;h=ecaf1c7aab3c6547fe06f8464d3d5cc75ae351a8;hb=624bf7d20c0d1258391bda222d16f099241ad1c1;hp=cc67795d125f0ab41152a349257bb9b3f4701bc8;hpb=ae390d45207aadb69eb96d8c11c1ee888f70815f;p=openssl-gost%2Fengine.git diff --git a/gost_grasshopper_cipher.h b/gost_grasshopper_cipher.h index cc67795..ecaf1c7 100644 --- a/gost_grasshopper_cipher.h +++ b/gost_grasshopper_cipher.h @@ -18,93 +18,84 @@ extern "C" { // because of buffers typedef struct { uint8_t type; + grasshopper_key_t master_key; grasshopper_key_t key; grasshopper_round_keys_t encrypt_round_keys; grasshopper_round_keys_t decrypt_round_keys; grasshopper_w128_t buffer; } gost_grasshopper_cipher_ctx; -typedef struct { - gost_grasshopper_cipher_ctx c; - grasshopper_w128_t buffer1; -} gost_grasshopper_cipher_ctx_ofb; - typedef struct { gost_grasshopper_cipher_ctx c; grasshopper_w128_t partial_buffer; 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 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); - -void gost_grasshopper_cipher_key(gost_grasshopper_cipher_ctx* c, const uint8_t* k); - -void gost_grasshopper_cipher_destroy(gost_grasshopper_cipher_ctx* c); +static void gost_grasshopper_cipher_key(gost_grasshopper_cipher_ctx* c, const uint8_t* k); -int gost_grasshopper_cipher_init_ecb(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static void gost_grasshopper_cipher_destroy(gost_grasshopper_cipher_ctx* c); -int gost_grasshopper_cipher_init_cbc(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static int gost_grasshopper_cipher_init_ecb(EVP_CIPHER_CTX* ctx, + const unsigned char* key, const unsigned char* iv, int enc); -int gost_grasshopper_cipher_init_ofb(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static int gost_grasshopper_cipher_init_cbc(EVP_CIPHER_CTX* ctx, + const unsigned char* key, const unsigned char* iv, int enc); -int gost_grasshopper_cipher_init_cfb(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static int gost_grasshopper_cipher_init_ofb(EVP_CIPHER_CTX* ctx, + const unsigned char* key, const unsigned char* iv, int enc); -int gost_grasshopper_cipher_init_ctr(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static int gost_grasshopper_cipher_init_cfb(EVP_CIPHER_CTX* ctx, + const unsigned char* key, const unsigned char* iv, int enc); -int gost_grasshopper_cipher_init_ctracpkm(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv, int enc); +static int gost_grasshopper_cipher_init_ctr(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); +static int gost_grasshopper_cipher_init_ctracpkm(EVP_CIPHER_CTX* ctx, + const unsigned char* key, const unsigned char* iv, int enc); -int gost_grasshopper_cipher_do(EVP_CIPHER_CTX* ctx, unsigned char* out, - const unsigned char* in, size_t inl); +static 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_do_ecb(EVP_CIPHER_CTX* ctx, unsigned char* out, - const unsigned char* in, size_t inl); +static int gost_grasshopper_cipher_init(EVP_CIPHER_CTX* ctx, const unsigned char* key, + const unsigned char* iv, int enc); -int gost_grasshopper_cipher_do_cbc(EVP_CIPHER_CTX* ctx, unsigned char* out, - const unsigned char* in, size_t inl); +static int gost_grasshopper_cipher_do(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_cipher_do_ofb(EVP_CIPHER_CTX* ctx, unsigned char* out, - const unsigned char* in, size_t inl); +static int gost_grasshopper_cipher_do_ecb(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out, - const unsigned char* in, size_t inl); +static int gost_grasshopper_cipher_do_cbc(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_cipher_do_ctr(EVP_CIPHER_CTX* ctx, unsigned char* out, - 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); +static int gost_grasshopper_cipher_do_ofb(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx); +static int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_set_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params); +static int gost_grasshopper_cipher_do_ctr(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_get_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params); +static int gost_grasshopper_cipher_do_ctracpkm(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX* ctx, int type, int arg, void* ptr); +static int gost_grasshopper_cipher_do_ctracpkm_omac(EVP_CIPHER_CTX* ctx, unsigned char* out, + const unsigned char* in, size_t inl); -EVP_CIPHER* cipher_gost_grasshopper_create(int cipher_type, int block_size); +static int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx); -const int cipher_gost_grasshopper_setup(EVP_CIPHER* cipher, uint8_t mode, int iv_size, bool padding); +static int gost_grasshopper_set_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params); -const EVP_CIPHER* cipher_gost_grasshopper(uint8_t mode, uint8_t num); +static int gost_grasshopper_get_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params); -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(); -extern const EVP_CIPHER* cipher_gost_grasshopper_ctracpkm(); +static int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX* ctx, int type, int arg, void* ptr); -void cipher_gost_grasshopper_destroy(void); +const EVP_CIPHER* cipher_gost_grasshopper_ctracpkm(); #if defined(__cplusplus) }