diff options
Diffstat (limited to 'indra/llmessage/llxorcipher.h')
| -rw-r--r-- | indra/llmessage/llxorcipher.h | 134 |
1 files changed, 67 insertions, 67 deletions
diff --git a/indra/llmessage/llxorcipher.h b/indra/llmessage/llxorcipher.h index cd1fed3ba4..14cea5dc02 100644 --- a/indra/llmessage/llxorcipher.h +++ b/indra/llmessage/llxorcipher.h @@ -1,67 +1,67 @@ -/** - * @file llxorcipher.h - * - * $LicenseInfo:firstyear=2003&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#ifndef LLXORCIPHER_H -#define LLXORCIPHER_H - -#include "llcipher.h" - -//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// Class LLXORCipher -// -// Implementation of LLCipher which encrypts using a XOR pad. -//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -class LLXORCipher : public LLCipher -{ -public: - LLXORCipher(const U8* pad, U32 pad_len); - LLXORCipher(const LLXORCipher& cipher); - virtual ~LLXORCipher(); - LLXORCipher& operator=(const LLXORCipher& cipher); - - // Cipher functions - U32 encrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len) override; - U32 decrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len) override; - U32 requiredEncryptionSpace(U32 src_len) const override; - - // special syntactic-sugar since xor can be performed in place. - bool encrypt(U8* buf, U32 len) { return encrypt((const U8*)buf, len, buf, len) > 0; } - bool decrypt(U8* buf, U32 len) { return decrypt((const U8*)buf, len, buf, len) > 0; } - -#ifdef _DEBUG - // This function runs tests to make sure the crc is - // working. Returns true if it is. - static bool testHarness(); -#endif - -protected: - void init(const U8* pad, U32 pad_len); - U8* mPad; - U8* mHead; - U32 mPadLen; -}; - -#endif +/**
+ * @file llxorcipher.h
+ *
+ * $LicenseInfo:firstyear=2003&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LLXORCIPHER_H
+#define LLXORCIPHER_H
+
+#include "llcipher.h"
+
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLXORCipher
+//
+// Implementation of LLCipher which encrypts using a XOR pad.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+class LLXORCipher : public LLCipher
+{
+public:
+ LLXORCipher(const U8* pad, U32 pad_len);
+ LLXORCipher(const LLXORCipher& cipher);
+ virtual ~LLXORCipher();
+ LLXORCipher& operator=(const LLXORCipher& cipher);
+
+ // Cipher functions
+ U32 encrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len) override;
+ U32 decrypt(const U8* src, U32 src_len, U8* dst, U32 dst_len) override;
+ U32 requiredEncryptionSpace(U32 src_len) const override;
+
+ // special syntactic-sugar since xor can be performed in place.
+ bool encrypt(U8* buf, U32 len) { return encrypt((const U8*)buf, len, buf, len) > 0; }
+ bool decrypt(U8* buf, U32 len) { return decrypt((const U8*)buf, len, buf, len) > 0; }
+
+#ifdef _DEBUG
+ // This function runs tests to make sure the crc is
+ // working. Returns true if it is.
+ static bool testHarness();
+#endif
+
+protected:
+ void init(const U8* pad, U32 pad_len);
+ U8* mPad;
+ U8* mHead;
+ U32 mPadLen;
+};
+
+#endif
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