X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/44ff6c114bdcd5cef753d2788d029ce46e35727a..8e5386aa4a06af90bae8b5fbcd97c46bbb0a679f:/symm/ofb-def.h

diff --git a/symm/ofb-def.h b/symm/ofb-def.h
index 7f111cb9..358ee54c 100644
--- a/symm/ofb-def.h
+++ b/symm/ofb-def.h
@@ -465,12 +465,12 @@ static const octet iv[] = IV;						\
 static octet ct[sizeof(text)];						\
 static octet pt[sizeof(text)];						\
 									\
-static void hexdump(const octet *p, size_t sz)				\
+static void hexdump(const octet *p, size_t sz, size_t off)		\
 {									\
   const octet *q = p + sz;						\
   for (sz = 0; p < q; p++, sz++) {					\
     printf("%02x", *p);							\
-    if ((sz + 1) % PRE##_BLKSZ == 0)					\
+    if ((off + sz + 1) % PRE##_BLKSZ == 0)				\
       putchar(':');							\
   }									\
 }									\
@@ -511,14 +511,14 @@ int main(void)								\
     } else {								\
       printf("\nError (sz = %lu)\n", (unsigned long)sz);		\
       status = 1;							\
-      printf("\tplaintext      = "); hexdump(text, sz);			\
-	printf(", "); hexdump(text + sz, rest);				\
+      printf("\tplaintext      = "); hexdump(text, sz, 0);		\
+	printf(", "); hexdump(text + sz, rest, sz);			\
 	fputc('\n', stdout);						\
-      printf("\tciphertext     = "); hexdump(ct, sz);			\
-	printf(", "); hexdump(ct + sz, rest);				\
+      printf("\tciphertext     = "); hexdump(ct, sz, 0);		\
+	printf(", "); hexdump(ct + sz, rest, sz);			\
 	fputc('\n', stdout);						\
-      printf("\trecovered text = "); hexdump(pt, sz);			\
-	printf(", "); hexdump(pt + sz, rest);				\
+      printf("\trecovered text = "); hexdump(pt, sz, 0);		\
+	printf(", "); hexdump(pt + sz, rest, sz);			\
 	fputc('\n', stdout);						\
       fputc('\n', stdout);						\
     }									\