From 08dee89e2f221fd566db707b760eb893291a7352 Mon Sep 17 00:00:00 2001
From: Greg Hudson <ghudson@mit.edu>
Date: Wed, 2 Dec 2009 18:32:03 +0000
Subject: [PATCH] In t_kperf, generate a valid ciphertext when testing
 decryption

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@23427 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/crypto/crypto_tests/t_kperf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib/crypto/crypto_tests/t_kperf.c b/src/lib/crypto/crypto_tests/t_kperf.c
index e653996bb..8c36e902f 100644
--- a/src/lib/crypto/crypto_tests/t_kperf.c
+++ b/src/lib/crypto/crypto_tests/t_kperf.c
@@ -94,6 +94,14 @@ main(int argc, char **argv)
     sum.length = cklen;
     sum.contents = calloc(1, cklen);
 
+    /*
+     * Decrypting typically involves copying the output after checking the
+     * hash, so we need to create a valid ciphertext to correctly measure its
+     * performance.
+     */
+    if (op == 'd')
+        krb5_c_encrypt(NULL, &kblock, 0, NULL, &block, &outblock);
+
     for (i = 0; i < num_blocks; i++) {
         if (intf == 'c') {
             if (op == 'e')
-- 
2.26.2