1 files changed, 25 insertions, 0 deletions
diff --git a/lib/nettle/gost/gost28147.h b/lib/nettle/gost/gost28147.h
index 7329d2ed8b..0e68db34ca 100644
--- a/lib/nettle/gost/gost28147.h
+++ b/lib/nettle/gost/gost28147.h
@@ -65,6 +65,10 @@ extern "C" {
 #define gost28147_encrypt_for_cfb _gnutls_gost28147_encrypt_for_cfb
 #define gost28147_decrypt _gnutls_gost28147_decrypt
 
+#define gost28147_cnt_init _gnutls_gost28147_cnt_init
+#define gost28147_cnt_set_iv _gnutls_gost28147_cnt_set_iv
+#define gost28147_cnt_crypt _gnutls_gost28147_cnt_crypt
+
 #define GOST28147_KEY_SIZE 32
 #define GOST28147_BLOCK_SIZE 8
 
@@ -115,6 +119,27 @@ gost28147_encrypt_for_cfb(struct gost28147_ctx *ctx,
 			  size_t length, uint8_t *dst,
 			  const uint8_t *src);
 
+struct gost28147_cnt_ctx {
+  struct gost28147_ctx ctx;
+  size_t bytes;
+  uint32_t iv[2];
+  uint8_t buffer[GOST28147_BLOCK_SIZE];
+};
+
+void
+gost28147_cnt_init(struct gost28147_cnt_ctx *ctx,
+		   const uint8_t *key,
+		   const struct gost28147_param *param);
+
+void
+gost28147_cnt_set_iv(struct gost28147_cnt_ctx *ctx,
+		     const uint8_t *iv);
+
+void
+gost28147_cnt_crypt(struct gost28147_cnt_ctx *ctx,
+		    size_t length, uint8_t *dst,
+		    const uint8_t *src);
+
 #ifdef __cplusplus
 }
 #endif