25 // The magic string embedded in the header.
29 scoped_ptr<CrxFile> CrxFile::Parse(const CrxFile::Header& header,  in Parse()  argument
31   if (HeaderIsValid(header, error))  in Parse()
32     return scoped_ptr<CrxFile>(new CrxFile(header));  in Parse()
39   CrxFile::Header header;  in Create()  local
40   memcpy(&header.magic, kCrxFileHeaderMagic, kCrxFileHeaderMagicSize);  in Create()
41   header.version = kCurrentVersion;  in Create()
42   header.key_size = key_size;  in Create()
43   header.signature_size = signature_size;  in Create()
44   if (HeaderIsValid(header, error))  in Create()
45     return scoped_ptr<CrxFile>(new CrxFile(header));  in Create()
49 CrxFile::CrxFile(const Header& header) : header_(header) {  in CrxFile()  argument
52 bool CrxFile::HeaderIsDelta(const CrxFile::Header& header) {  in HeaderIsDelta()  argument
53   return !strncmp(kCrxDiffFileHeaderMagic, header.magic, sizeof(header.magic));  in HeaderIsDelta()
56 bool CrxFile::HeaderIsValid(const CrxFile::Header& header,  in HeaderIsValid()  argument
60   if (!strncmp(kCrxDiffFileHeaderMagic, header.magic, sizeof(header.magic)))  in HeaderIsValid()
62   if (strncmp(kCrxFileHeaderMagic, header.magic, sizeof(header.magic)) &&  in HeaderIsValid()
65   else if (header.version != kCurrentVersion  in HeaderIsValid()
66       && !(diffCrx && header.version == kCurrentDiffVersion))  in HeaderIsValid()
68   else if (header.key_size > kMaxPublicKeySize)  in HeaderIsValid()
70   else if (header.key_size == 0)  in HeaderIsValid()
72   else if (header.signature_size > kMaxSignatureSize)  in HeaderIsValid()
74   else if (header.signature_size == 0)  in HeaderIsValid()