Fix a double blank line style issue

[openssl.git] / include / openssl / kdf.h

diff --git a/include/openssl/kdf.h b/include/openssl/kdf.h
index cad3ab81ee91a3b74610deb9cfd110059df07061..0df4532890c72fe9bbe60acea32f094b737a0586 100644 (file)
--- a/include/openssl/kdf.h
+++ b/include/openssl/kdf.h
@@ -14,13 +14,18 @@
 extern "C" {
 #endif
 
-# define EVP_PKEY_CTRL_TLS_MD       (EVP_PKEY_ALG_CTRL)
-# define EVP_PKEY_CTRL_TLS_SECRET   (EVP_PKEY_ALG_CTRL + 1)
-# define EVP_PKEY_CTRL_TLS_SEED     (EVP_PKEY_ALG_CTRL + 2)
-# define EVP_PKEY_CTRL_HKDF_MD      (EVP_PKEY_ALG_CTRL + 3)
-# define EVP_PKEY_CTRL_HKDF_SALT    (EVP_PKEY_ALG_CTRL + 4)
-# define EVP_PKEY_CTRL_HKDF_KEY     (EVP_PKEY_ALG_CTRL + 5)
-# define EVP_PKEY_CTRL_HKDF_INFO    (EVP_PKEY_ALG_CTRL + 6)
+# define EVP_PKEY_CTRL_TLS_MD                   (EVP_PKEY_ALG_CTRL)
+# define EVP_PKEY_CTRL_TLS_SECRET               (EVP_PKEY_ALG_CTRL + 1)
+# define EVP_PKEY_CTRL_TLS_SEED                 (EVP_PKEY_ALG_CTRL + 2)
+# define EVP_PKEY_CTRL_HKDF_MD                  (EVP_PKEY_ALG_CTRL + 3)
+# define EVP_PKEY_CTRL_HKDF_SALT                (EVP_PKEY_ALG_CTRL + 4)
+# define EVP_PKEY_CTRL_HKDF_KEY                 (EVP_PKEY_ALG_CTRL + 5)
+# define EVP_PKEY_CTRL_HKDF_INFO                (EVP_PKEY_ALG_CTRL + 6)
+# define EVP_PKEY_CTRL_HKDF_MODE                (EVP_PKEY_ALG_CTRL + 7)
+
+# define EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND 0
+# define EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY       1
+# define EVP_PKEY_HKDEF_MODE_EXPAND_ONLY        2
 
 # define EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) \
             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
@@ -50,12 +55,17 @@ extern "C" {
             EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
                               EVP_PKEY_CTRL_HKDF_INFO, infolen, (void *)info)
 
+# define EVP_PKEY_CTX_hkdf_mode(pctx, mode) \
+            EVP_PKEY_CTX_ctrl(pctx, -1, EVP_PKEY_OP_DERIVE, \
+                              EVP_PKEY_CTRL_HKDF_MODE, mode, NULL)
+
 /* BEGIN ERROR CODES */
 /*
  * The following lines are auto generated by the script mkerr.pl. Any changes
  * made after this point may be overwritten when the script is next run.
  */
-void ERR_load_KDF_strings(void);
+
+int ERR_load_KDF_strings(void);
 
 /* Error codes for the KDF functions. */
 
@@ -68,7 +78,7 @@ void ERR_load_KDF_strings(void);
 # define KDF_R_MISSING_PARAMETER                          101
 # define KDF_R_VALUE_MISSING                              102
 
-#ifdef  __cplusplus
+# ifdef  __cplusplus
 }
-#endif
+# endif
 #endif