From f424a18112032cf61d2871a6b91a5af607c171ae Mon Sep 17 00:00:00 2001 From: Kirill Volinsky Date: Fri, 20 Jul 2012 16:21:49 +0000 Subject: CryptoPP: changed folder structure git-svn-id: http://svn.miranda-ng.org/main/trunk@1083 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c --- plugins/CryptoPP/crypto/gzip.cpp | 99 ---------------------------------------- 1 file changed, 99 deletions(-) delete mode 100644 plugins/CryptoPP/crypto/gzip.cpp (limited to 'plugins/CryptoPP/crypto/gzip.cpp') diff --git a/plugins/CryptoPP/crypto/gzip.cpp b/plugins/CryptoPP/crypto/gzip.cpp deleted file mode 100644 index 3a52529dc6..0000000000 --- a/plugins/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 -- cgit v1.2.3