X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_omac.c;h=c4026d4fdc758d6da9fa9654ca3b2b7d0833a200;hb=06d835bdc904580b198d0332f762277e42ae5a8e;hp=a1e7ab4d047bcf804585936abf4e176b2f6d7f38;hpb=ea281d2516111f018f224409098d5a1d11e967bd;p=openssl-gost%2Fengine.git

diff --git a/gost_omac.c b/gost_omac.c
index a1e7ab4..c4026d4 100644
--- a/gost_omac.c
+++ b/gost_omac.c
@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2019 Dmitry Belyavskiy <beldmit@gmail.com>
+ * Copyright (c) 2020 Vitaly Chikunov <vt@altlinux.org>
+ *
+ * Contents licensed under the terms of the OpenSSL license
+ * See https://www.openssl.org/source/license.html for details
+ */
 #include <string.h>
 #include <openssl/cmac.h>
 #include <openssl/conf.h>
@@ -72,7 +79,7 @@ static int omac_imit_update(EVP_MD_CTX *ctx, const void *data, size_t count)
     return CMAC_Update(c->cmac_ctx, data, count);
 }
 
-int omac_imit_final(EVP_MD_CTX *ctx, unsigned char *md)
+static int omac_imit_final(EVP_MD_CTX *ctx, unsigned char *md)
 {
     OMAC_CTX *c = EVP_MD_CTX_md_data(ctx);
     unsigned char mac[MAX_GOST_OMAC_SIZE];
@@ -89,7 +96,7 @@ int omac_imit_final(EVP_MD_CTX *ctx, unsigned char *md)
     return 1;
 }
 
-int omac_imit_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
+static int omac_imit_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
 {
     OMAC_CTX *c_to = EVP_MD_CTX_md_data(to);
     const OMAC_CTX *c_from = EVP_MD_CTX_md_data(from);
@@ -116,7 +123,7 @@ int omac_imit_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
 }
 
 /* Clean up imit ctx */
-int omac_imit_cleanup(EVP_MD_CTX *ctx)
+static int omac_imit_cleanup(EVP_MD_CTX *ctx)
 {
     OMAC_CTX *c = EVP_MD_CTX_md_data(ctx);
 
@@ -146,6 +153,7 @@ static int omac_key(OMAC_CTX * c, const EVP_CIPHER *cipher,
     return 1;
 }
 
+/* Called directly by gost_kexp15() */
 int omac_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr)
 {
     switch (type) {
@@ -270,23 +278,3 @@ GOST_digest grasshopper_mac_digest = {
     .result_size = 16,
     .init = grasshopper_imit_init,
 };
-
-EVP_MD *magma_omac(void)
-{
-    return GOST_init_digest(&magma_mac_digest);
-}
-
-void magma_omac_destroy(void)
-{
-    GOST_deinit_digest(&magma_mac_digest);
-}
-
-EVP_MD *grasshopper_omac(void)
-{
-    return GOST_init_digest(&grasshopper_mac_digest);
-}
-
-void grasshopper_omac_destroy(void)
-{
-    GOST_deinit_digest(&grasshopper_mac_digest);
-}