gentleknife / rpms / libgcrypt

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diff -up libgcrypt-1.5.3/cipher/whirlpool.c.whirlpool-bug libgcrypt-1.5.3/cipher/whirlpool.c
--- libgcrypt-1.5.3/cipher/whirlpool.c.whirlpool-bug	2013-05-22 18:02:54.000000000 +0200
+++ libgcrypt-1.5.3/cipher/whirlpool.c	2014-01-21 15:45:51.308919415 +0100
@@ -56,6 +56,7 @@ typedef struct {
   unsigned char buffer[BLOCK_SIZE];
   size_t count;
   unsigned char length[32];
+  int bug;
 } whirlpool_context_t;
 
 
@@ -1185,6 +1186,7 @@ whirlpool_init (void *ctx)
   whirlpool_context_t *context = ctx;
 
   memset (context, 0, sizeof (*context));
+  context->bug = secure_getenv("GCRYPT_WHIRLPOOL_BUG") != NULL;
 }
 
 
@@ -1316,7 +1318,7 @@ whirlpool_add (whirlpool_context_t *cont
 	  buffer_n--;
 	}
       whirlpool_add (context, NULL, 0);
-      if (!buffer_n)
+      if (context->bug && !buffer_n)
 	/* Done.  */
         return;
     }