Support HMAC mode for hash functions which need to store more state than

[u/mdw/catacomb] / hmac.h

diff --git a/hmac.h b/hmac.h
index 7ad01f7..b489e54 100644 (file)
--- a/hmac.h
+++ b/hmac.h
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: hmac.h,v 1.3 2000/06/17 11:23:57 mdw Exp $
+ * $Id: hmac.h,v 1.4 2000/10/15 19:09:20 mdw Exp $
  *
  * Generic code for HMAC and NMAC
  *
@@ -30,6 +30,10 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: hmac.h,v $
+ * Revision 1.4  2000/10/15 19:09:20  mdw
+ * Support HMAC mode for hash functions which need to store more state than
+ * the hash output size.
+ *
  * Revision 1.3  2000/06/17 11:23:57  mdw
  * New key size interface.
  *
@@ -84,9 +88,9 @@
 /* --- An HMAC or NMAC key --- */                                      \
                                                                        \
 typedef struct pre##_mackey {                                          \
-  octet ochain[PRE##_HASHSZ];          /* Chaining for outer hash */   \
+  octet ochain[PRE##_STATESZ];         /* Chaining for outer hash */   \
   unsigned ocount;                     /* Byte count for outer hash */ \
-  octet ichain[PRE##_HASHSZ];          /* Chaining for inner hash */   \
+  octet ichain[PRE##_STATESZ];         /* Chaining for inner hash */   \
   unsigned icount;                     /* Byte count for inner hash */ \
 } pre##_mackey;                                                                \
                                                                        \
@@ -94,7 +98,7 @@ typedef struct pre##_mackey {                                         \
                                                                        \
 typedef struct pre##_macctx {                                          \
   pre##_ctx ctx;                       /* Context for main hashing */  \
-  octet chain[PRE##_HASHSZ];           /* Chaining for outer hash */   \
+  octet chain[PRE##_STATESZ];          /* Chaining for outer hash */   \
   unsigned count;                      /* Byte count for outer hash */ \
 } pre##_macctx;                                                                \
                                                                        \