Second Life viewer sources 1.15.0.2

1 files changed, 28 insertions, 21 deletions

diff --git a/linden/indra/llmessage/llblowfishcipher.cpp b/linden/indra/llmessage/llblowfishcipher.cpp
index f9a68ab..1772078 100644
--- a/linden/indra/llmessage/llblowfishcipher.cpp
+++ b/linden/indra/llmessage/llblowfishcipher.cpp
@@ -7,6 +7,7 @@
  *
  * Copyright (c) 2007-2007, Linden Research, Inc.
  * 
+ * Second Life Viewer Source Code
  * The source code in this file ("Source Code") is provided by Linden Lab
  * to you under the terms of the GNU General Public License, version 2.0
  * ("GPL"), unless you have obtained a separate licensing agreement
@@ -84,27 +85,33 @@ U32 LLBlowfishCipher::encrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len)
                 << " iv_len " << iv_length
                 << llendl;
 
-    int output_len = 0;
-    if (!EVP_EncryptUpdate(&context,
-                dst,
-                &output_len,
-                src,
-                src_len))
-    {
-        llwarns << "LLBlowfishCipher::encrypt EVP_EncryptUpdate failure" << llendl;
-        return 0;
-    }
-
-        // There may be some final data left to encrypt if the input is
-        // not an exact multiple of the block size.
-    int temp_len = 0;
-    if (!EVP_EncryptFinal_ex(&context, (unsigned char*)(dst + output_len), &temp_len))
-    {
-        llwarns << "LLBlowfishCipher::encrypt EVP_EncryptFinal failure" << llendl;
-        return 0;
-    }
-    output_len += temp_len;
-        return output_len;
+        int output_len = 0;

+        int temp_len = 0;

+        if (!EVP_EncryptUpdate(&context,

+                        dst,

+                        &output_len,

+                        src,

+                        src_len))

+        {

+                llwarns << "LLBlowfishCipher::encrypt EVP_EncryptUpdate failure" << llendl;

+                goto ERROR;

+        }

+

+        // There may be some final data left to encrypt if the input is

+        // not an exact multiple of the block size.

+        if (!EVP_EncryptFinal_ex(&context, (unsigned char*)(dst + output_len), &temp_len))

+        {

+                llwarns << "LLBlowfishCipher::encrypt EVP_EncryptFinal failure" << llendl;

+                goto ERROR;

+        }

+        output_len += temp_len;

+

+        EVP_CIPHER_CTX_cleanup(&context);

+        return output_len;

+

+ERROR:

+        EVP_CIPHER_CTX_cleanup(&context);

+        return 0;

 }
 
 // virtual