diff options
author | Martin Kretzschmar <mkretzschmar@src.gnome.org> | 2004-05-16 22:45:42 (GMT) |
---|---|---|
committer | Martin Kretzschmar <mkretzschmar@src.gnome.org> | 2004-05-16 22:45:42 (GMT) |
commit | ad63666daeeda50acc7630132d61fe044634fddd (patch) | |
tree | 487b52b30f8a563cbb2e16c6fd2527a6eeb5990f /pdf/xpdf/Decrypt.cc | |
parent | d57c02ebc09bfd1a0cac44140ec7a80dbe43877e (diff) |
Imported Xpdf 2.03 and fixed build.
* ANNOUNCE:
* CHANGES:
* README:
* aconf2.h:
* configure.in:
* dj_make.bat:
* doc/pdffonts.1:
* doc/pdffonts.cat:
* doc/pdffonts.hlp:
* doc/pdfimages.1:
* doc/pdfimages.cat:
* doc/pdfimages.hlp:
* doc/pdfinfo.1:
* doc/pdfinfo.cat:
* doc/pdfinfo.hlp:
* doc/pdftopbm.1:
* doc/pdftopbm.cat:
* doc/pdftopbm.hlp:
* doc/pdftops.1:
* doc/pdftops.cat:
* doc/pdftops.hlp:
* doc/pdftotext.1:
* doc/pdftotext.cat:
* doc/pdftotext.hlp:
* doc/xpdf.1:
* doc/xpdf.cat:
* doc/xpdf.hlp:
* doc/xpdfrc.5:
* doc/xpdfrc.cat:
* doc/xpdfrc.hlp:
* goo/gfile.cc:
* ms_make.bat:
* vms_make.com:
* xpdf/Annot.cc:
* xpdf/Array.cc:
* xpdf/BuiltinFontTables.cc:
* xpdf/CMap.cc:
* xpdf/CMap.h:
* xpdf/Catalog.cc:
* xpdf/CharCodeToUnicode.cc:
* xpdf/CharCodeToUnicode.h:
* xpdf/Decrypt.cc:
* xpdf/Dict.cc:
* xpdf/ErrorCodes.h:
* xpdf/FTFont.cc:
* xpdf/FTFont.h:
* xpdf/FontFile.cc:
* xpdf/FontFile.h:
* xpdf/Function.cc:
* xpdf/Gfx.cc:
* xpdf/Gfx.h:
* xpdf/GfxFont.cc:
* xpdf/GfxFont.h:
* xpdf/GfxState.cc:
* xpdf/GfxState.h:
* xpdf/GlobalParams.cc:
* xpdf/GlobalParams.h:
* xpdf/JBIG2Stream.cc:
* xpdf/Link.cc:
* xpdf/Link.h:
* xpdf/Makefile.am:
* xpdf/OutputDev.h:
* xpdf/PDFDoc.cc:
* xpdf/PDFDoc.h:
* xpdf/PSOutputDev.cc:
* xpdf/PSOutputDev.h:
* xpdf/Page.cc:
* xpdf/Page.h:
* xpdf/Parser.cc:
* xpdf/Stream.cc:
* xpdf/Stream.h:
* xpdf/TTFont.cc:
* xpdf/TTFont.h:
* xpdf/TextOutputDev.cc:
* xpdf/TextOutputDev.h:
* xpdf/UnicodeMap.cc:
* xpdf/UnicodeMap.h:
* xpdf/UnicodeTypeTable.cc:
* xpdf/UnicodeTypeTable.h:
* xpdf/XOutputDev.cc:
* xpdf/XOutputDev.h:
* xpdf/XPDFApp.cc:
* xpdf/XPDFCore.cc:
* xpdf/XPDFCore.h:
* xpdf/XPDFViewer.cc:
* xpdf/XPDFViewer.h:
* xpdf/XRef.cc:
* xpdf/about-text.h:
* xpdf/config.h:
* xpdf/gpdf-control.cc:
* xpdf/gpdf-link-canvas-item.cc:
* xpdf/gpdf-links-canvas-layer.cc:
* xpdf/pdffonts.cc:
* xpdf/pdfimages.cc:
* xpdf/pdfinfo.cc:
* xpdf/pdftopbm.cc:
* xpdf/pdftops.cc:
* xpdf/pdftotext.cc:
* xpdf/tests/test-links.cc:
* xpdf/vms_make.com:
* xpdf/xpdf.cc: Imported Xpdf 2.03 and fixed build.
Diffstat (limited to 'pdf/xpdf/Decrypt.cc')
-rw-r--r-- | pdf/xpdf/Decrypt.cc | 60 |
1 files changed, 29 insertions, 31 deletions
diff --git a/pdf/xpdf/Decrypt.cc b/pdf/xpdf/Decrypt.cc index dca3762..dab0750 100644 --- a/pdf/xpdf/Decrypt.cc +++ b/pdf/xpdf/Decrypt.cc @@ -74,6 +74,7 @@ GBool Decrypt::makeFileKey(int encVersion, int encRevision, int keyLength, int len, i, j; // try using the supplied owner password to generate the user password + *ownerPasswordOk = gFalse; if (ownerPassword) { len = ownerPassword->getLength(); if (len < 32) { @@ -82,43 +83,40 @@ GBool Decrypt::makeFileKey(int encVersion, int encRevision, int keyLength, } else { memcpy(test, ownerPassword->getCString(), 32); } - } else { - memcpy(test, passwordPad, 32); - } - md5(test, 32, test); - if (encRevision == 3) { - for (i = 0; i < 50; ++i) { - md5(test, 16, test); - } - } - if (encRevision == 2) { - rc4InitKey(test, keyLength, fState); - fx = fy = 0; - for (i = 0; i < 32; ++i) { - test2[i] = rc4DecryptByte(fState, &fx, &fy, ownerKey->getChar(i)); - } - } else { - memcpy(test2, ownerKey->getCString(), 32); - for (i = 19; i >= 0; --i) { - for (j = 0; j < keyLength; ++j) { - tmpKey[j] = test[j] ^ i; + md5(test, 32, test); + if (encRevision == 3) { + for (i = 0; i < 50; ++i) { + md5(test, 16, test); } - rc4InitKey(tmpKey, keyLength, fState); + } + if (encRevision == 2) { + rc4InitKey(test, keyLength, fState); fx = fy = 0; - for (j = 0; j < 32; ++j) { - test2[j] = rc4DecryptByte(fState, &fx, &fy, test2[j]); + for (i = 0; i < 32; ++i) { + test2[i] = rc4DecryptByte(fState, &fx, &fy, ownerKey->getChar(i)); + } + } else { + memcpy(test2, ownerKey->getCString(), 32); + for (i = 19; i >= 0; --i) { + for (j = 0; j < keyLength; ++j) { + tmpKey[j] = test[j] ^ i; + } + rc4InitKey(tmpKey, keyLength, fState); + fx = fy = 0; + for (j = 0; j < 32; ++j) { + test2[j] = rc4DecryptByte(fState, &fx, &fy, test2[j]); + } } } - } - userPassword2 = new GString((char *)test2, 32); - if (makeFileKey2(encVersion, encRevision, keyLength, ownerKey, userKey, - permissions, fileID, userPassword2, fileKey)) { - *ownerPasswordOk = gTrue; + userPassword2 = new GString((char *)test2, 32); + if (makeFileKey2(encVersion, encRevision, keyLength, ownerKey, userKey, + permissions, fileID, userPassword2, fileKey)) { + *ownerPasswordOk = gTrue; + delete userPassword2; + return gTrue; + } delete userPassword2; - return gTrue; } - *ownerPasswordOk = gFalse; - delete userPassword2; // try using the supplied user password return makeFileKey2(encVersion, encRevision, keyLength, ownerKey, userKey, |