From 86358fc10bb02bd3069736bedb120f52fa3f6494 Mon Sep 17 00:00:00 2001
From: Jeremy Allison <jra@samba.org>
Date: Wed, 8 Feb 2006 22:16:03 +0000
Subject: r13396: Add in userinfo26, re-enable userinfo25 - took the knowledge
 from Samba4 on how to decode the 532 byte password buffers. Getting closer to
 passing samba4 RPC-SCHANNEL test. Jeremy. (This used to be commit
 205db6968a26c43dec64c14d8053d8e66807086f)

---
 source3/libsmb/smbencrypt.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'source3/libsmb/smbencrypt.c')

diff --git a/source3/libsmb/smbencrypt.c b/source3/libsmb/smbencrypt.c
index 99f99f23f8..5bdd0acd3e 100644
--- a/source3/libsmb/smbencrypt.c
+++ b/source3/libsmb/smbencrypt.c
@@ -530,6 +530,25 @@ BOOL decode_pw_buffer(uint8 in_buffer[516], char *new_pwrd,
 	return True;
 }
 
+/***********************************************************
+ Decode an arc4 encrypted password change buffer.
+************************************************************/
+
+void encode_or_decode_arc4_passwd_buffer(char pw_buf[532], const DATA_BLOB *psession_key)
+{
+	struct MD5Context tctx;
+	unsigned char key_out[16];
+
+	/* Confounder is last 16 bytes. */
+
+	MD5Init(&tctx);
+	MD5Update(&tctx, &pw_buf[516], 16);
+	MD5Update(&tctx, psession_key->data, psession_key->length);
+	MD5Final(key_out, &tctx);
+	/* arc4 with key_out. */
+	SamOEMhash(pw_buf, key_out, 516);
+}
+
 /***********************************************************
  Encrypt/Decrypt used for LSA secrets and trusted domain
  passwords.
-- 
cgit