X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_omac.c;h=83f4acdcf16991ea5eba5fcf5334aaa8e3559c18;hb=ad49fa11916e86b4f28d561e288b44895787e240;hp=2000152d4101a936657ace013441d4c167f082d8;hpb=31c6ffa026a9bf42c2e3fdaa66a80230b09306ec;p=openssl-gost%2Fengine.git

diff --git a/gost_omac.c b/gost_omac.c
index 2000152..83f4acd 100644
--- a/gost_omac.c
+++ b/gost_omac.c
@@ -14,7 +14,19 @@ typedef struct omac_ctx {
     size_t dgst_size;
     int cipher_nid;
     int key_set;
+/* 
+ * Here begins stuff related to TLSTREE processing
+ * We MUST store the original key to derive TLSTREE keys from it
+ * and TLS seq no.
+ * */
     unsigned char key[32];
+/*
+ * TODO
+ * TLSTREE intermediate values should be recalculated only when 
+ * C_i & (seq_no+1) != C_i & (seq_no)
+ * so somewhen we will store C_i & (seq_no) in this structure 
+ * to avoid redundant hash calculations.
+ * */
 } OMAC_CTX;
 
 #define MAX_GOST_OMAC_SIZE 16