From 4a7e9edcc92b08a285ea24549fd8c813d10b63b9 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Mon, 13 Sep 2010 15:21:31 +0000
Subject: First set of changes for avoiding use implicit vector->pointer
 conversions

---
 src/block/lubyrack/lubyrack.cpp | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

(limited to 'src/block/lubyrack/lubyrack.cpp')

diff --git a/src/block/lubyrack/lubyrack.cpp b/src/block/lubyrack/lubyrack.cpp
index 4dd0d5c8a..99f8e6da1 100644
--- a/src/block/lubyrack/lubyrack.cpp
+++ b/src/block/lubyrack/lubyrack.cpp
@@ -15,29 +15,30 @@ namespace Botan {
 */
 void LubyRackoff::encrypt_n(const byte in[], byte out[], u32bit blocks) const
    {
+   const u32bit len = hash->OUTPUT_LENGTH;
+
+   SecureVector<byte> buffer(len);
+
    for(u32bit i = 0; i != blocks; ++i)
       {
-      const u32bit len = hash->OUTPUT_LENGTH;
-
-      SecureVector<byte> buffer(len);
       hash->update(K1);
       hash->update(in, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out + len, in + len, buffer, len);
 
       hash->update(K2);
       hash->update(out + len, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out, in, buffer, len);
 
       hash->update(K1);
       hash->update(out, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out + len, buffer, len);
 
       hash->update(K2);
       hash->update(out + len, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out, buffer, len);
 
       in += BLOCK_SIZE;
@@ -50,29 +51,30 @@ void LubyRackoff::encrypt_n(const byte in[], byte out[], u32bit blocks) const
 */
 void LubyRackoff::decrypt_n(const byte in[], byte out[], u32bit blocks) const
    {
+   const u32bit len = hash->OUTPUT_LENGTH;
+
+   SecureVector<byte> buffer(len);
+
    for(u32bit i = 0; i != blocks; ++i)
       {
-      const u32bit len = hash->OUTPUT_LENGTH;
-
-      SecureVector<byte> buffer(len);
       hash->update(K2);
       hash->update(in + len, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out, in, buffer, len);
 
       hash->update(K1);
       hash->update(out, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out + len, in + len, buffer, len);
 
       hash->update(K2);
       hash->update(out + len, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out, buffer, len);
 
       hash->update(K1);
       hash->update(out, len);
-      hash->final(buffer);
+      hash->final(&buffer[0]);
       xor_buf(out + len, buffer, len);
 
       in += BLOCK_SIZE;
-- 
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