X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_grasshopper_cipher.h;h=a0acba4b496f6e948dc5eac8c08218c58e88b36c;hb=a57c7e869e3017303407ba36e3d0798c9474416b;hp=7f775a24b8ff2f7576c4d1317f79e70566d581e0;hpb=a72a02c4dd5778eea83db6e9e17d89f0d2b278dd;p=openssl-gost%2Fengine.git

diff --git a/gost_grasshopper_cipher.h b/gost_grasshopper_cipher.h
index 7f775a2..a0acba4 100644
--- a/gost_grasshopper_cipher.h
+++ b/gost_grasshopper_cipher.h
@@ -18,6 +18,7 @@ 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;
@@ -26,16 +27,10 @@ typedef struct {
 
 typedef struct {
     gost_grasshopper_cipher_ctx c;
-    grasshopper_w128_t buffer1;
-    uint32_t g;
-    uint32_t go;
-} gost_grasshopper_cipher_ctx_ofb;
-
-typedef struct {
-    gost_grasshopper_cipher_ctx c;
-    grasshopper_w128_t iv_buffer;
     grasshopper_w128_t partial_buffer;
-    uint64_t counter;
+    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];
 } gost_grasshopper_cipher_ctx_ctr;
 
 typedef int (* grasshopper_init_cipher_func)(EVP_CIPHER_CTX* ctx, const unsigned char* key, const unsigned char* iv,
@@ -60,6 +55,8 @@ int gost_grasshopper_cipher_init_cfb(EVP_CIPHER_CTX* ctx, const unsigned char* k
 
 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_ctracpkm(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);
 
@@ -80,6 +77,8 @@ int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out,
 
 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);
 
 int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx);
 
@@ -100,6 +99,9 @@ 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();
+
+void cipher_gost_grasshopper_destroy(void);
 
 #if defined(__cplusplus)
 }