diff options
| author | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-11-26 14:19:43 +0000 |
|---|---|---|
| committer | watcherhd <watcherhd@e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb> | 2011-11-26 14:19:43 +0000 |
| commit | 7aff1e4cb053394db57c2814d5fe1e6493e0cc75 (patch) | |
| tree | c8585e44049b37e4da152495c954242204c2c38d /cryptopp/crypto/gzip.cpp | |
| parent | 6f3d69266933ef120d229e0daf2da164b77214d0 (diff) | |
Project folders rename part 2
git-svn-id: http://miranda-plugins.googlecode.com/svn/trunk@214 e753b5eb-9565-29b2-b5c5-2cc6f99dfbcb
Diffstat (limited to 'cryptopp/crypto/gzip.cpp')
| -rw-r--r-- | cryptopp/crypto/gzip.cpp | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/cryptopp/crypto/gzip.cpp b/cryptopp/crypto/gzip.cpp deleted file mode 100644 index c9f7558..0000000 --- a/cryptopp/crypto/gzip.cpp +++ /dev/null @@ -1,99 +0,0 @@ -// gzip.cpp - written and placed in the public domain by Wei Dai
-
-#include "pch.h"
-#include "gzip.h"
-
-NAMESPACE_BEGIN(CryptoPP)
-
-void Gzip::WritePrestreamHeader()
-{
- m_totalLen = 0;
- m_crc.Restart();
-
- AttachedTransformation()->Put(MAGIC1);
- AttachedTransformation()->Put(MAGIC2);
- AttachedTransformation()->Put(DEFLATED);
- AttachedTransformation()->Put(0); // general flag
- AttachedTransformation()->PutWord32(0); // time stamp
- byte extra = (GetDeflateLevel() == 1) ? FAST : ((GetDeflateLevel() == 9) ? SLOW : 0);
- AttachedTransformation()->Put(extra);
- AttachedTransformation()->Put(GZIP_OS_CODE);
-}
-
-void Gzip::ProcessUncompressedData(const byte *inString, size_t length)
-{
- m_crc.Update(inString, length);
- m_totalLen += (word32)length;
-}
-
-void Gzip::WritePoststreamTail()
-{
- SecByteBlock crc(4);
- m_crc.Final(crc);
- AttachedTransformation()->Put(crc, 4);
- AttachedTransformation()->PutWord32(m_totalLen, LITTLE_ENDIAN_ORDER);
-}
-
-// *************************************************************
-
-Gunzip::Gunzip(BufferedTransformation *attachment, bool repeat, int propagation)
- : Inflator(attachment, repeat, propagation)
-{
-}
-
-void Gunzip::ProcessPrestreamHeader()
-{
- m_length = 0;
- m_crc.Restart();
-
- byte buf[6];
- byte b, flags;
-
- if (m_inQueue.Get(buf, 2)!=2) throw HeaderErr();
- if (buf[0] != MAGIC1 || buf[1] != MAGIC2) throw HeaderErr();
- if (!m_inQueue.Skip(1)) throw HeaderErr(); // skip extra flags
- if (!m_inQueue.Get(flags)) throw HeaderErr();
- if (flags & (ENCRYPTED | CONTINUED)) throw HeaderErr();
- if (m_inQueue.Skip(6)!=6) throw HeaderErr(); // Skip file time, extra flags and OS type
-
- if (flags & EXTRA_FIELDS) // skip extra fields
- {
- word16 length;
- if (m_inQueue.GetWord16(length, LITTLE_ENDIAN_ORDER) != 2) throw HeaderErr();
- if (m_inQueue.Skip(length)!=length) throw HeaderErr();
- }
-
- if (flags & FILENAME) // skip filename
- do
- if(!m_inQueue.Get(b)) throw HeaderErr();
- while (b);
-
- if (flags & COMMENTS) // skip comments
- do
- if(!m_inQueue.Get(b)) throw HeaderErr();
- while (b);
-}
-
-void Gunzip::ProcessDecompressedData(const byte *inString, size_t length)
-{
- AttachedTransformation()->Put(inString, length);
- m_crc.Update(inString, length);
- m_length += (word32)length;
-}
-
-void Gunzip::ProcessPoststreamTail()
-{
- SecByteBlock crc(4);
- if (m_inQueue.Get(crc, 4) != 4)
- throw TailErr();
- if (!m_crc.Verify(crc))
- throw CrcErr();
-
- word32 lengthCheck;
- if (m_inQueue.GetWord32(lengthCheck, LITTLE_ENDIAN_ORDER) != 4)
- throw TailErr();
- if (lengthCheck != m_length)
- throw LengthErr();
-}
-
-NAMESPACE_END
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