From: Ken Raeburn <raeburn@mit.edu>
Date: Mon, 22 Mar 2004 22:07:20 +0000 (+0000)
Subject: * pbkdf2.c (hmac1): Make a local copy of the supplied keyblock structure, in
X-Git-Tag: krb5-1.4-beta1~520
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=dbf356071ca2612a0f613c850a2d8beffb1f4e48;p=krb5.git

* pbkdf2.c (hmac1): Make a local copy of the supplied keyblock structure, in
case we want to modify it.

ticket: 2453
tags: pullup

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@16202 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/lib/crypto/ChangeLog b/src/lib/crypto/ChangeLog
index 933410005..27b3c421e 100644
--- a/src/lib/crypto/ChangeLog
+++ b/src/lib/crypto/ChangeLog
@@ -1,3 +1,8 @@
+2004-03-22  Ken Raeburn  <raeburn@mit.edu>
+
+	* pbkdf2.c (hmac1): Make a local copy of the supplied keyblock
+	structure, in case we want to modify it.
+
 2004-03-17  Ken Raeburn  <raeburn@mit.edu>
 
 	* prng.c (krb5int_prng_cleanup): Renamed from prng_cleanup.
diff --git a/src/lib/crypto/pbkdf2.c b/src/lib/crypto/pbkdf2.c
index d7aba026e..ff446dbde 100644
--- a/src/lib/crypto/pbkdf2.c
+++ b/src/lib/crypto/pbkdf2.c
@@ -218,7 +218,10 @@ static krb5_error_code hmac1(const struct krb5_hash_provider *h,
     char tmp[40];
     size_t blocksize, hashsize;
     krb5_error_code err;
+    krb5_keyblock k;
 
+    k = *key;
+    key = &k;
     if (debug_hmac)
 	printk(" test key", key);
     blocksize = h->blocksize;