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diff -up qpdf-10.2.0/libqpdf/QPDF.cc.relax qpdf-10.2.0/libqpdf/QPDF.cc
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--- qpdf-10.2.0/libqpdf/QPDF.cc.relax 2021-02-23 16:41:58.000000000 +0100
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+++ qpdf-10.2.0/libqpdf/QPDF.cc 2021-02-24 12:35:50.715329461 +0100
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@@ -11,6 +11,10 @@
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#include <string.h>
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#include <memory.h>
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+#ifdef HAVE_GNUTLS
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+# include <gnutls/crypto.h>
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+#endif
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+
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#include <qpdf/QTC.hh>
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#include <qpdf/QUtil.hh>
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#include <qpdf/Pipeline.hh>
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@@ -261,7 +265,13 @@ QPDF::processFile(char const* filename,
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{
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FileInputSource* fi = new FileInputSource();
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fi->setFilename(filename);
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+#ifdef HAVE_GNUTLS
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+ GNUTLS_FIPS140_SET_LAX_MODE();
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+#endif
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processInputSource(fi, password);
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+#ifdef HAVE_GNUTLS
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+ GNUTLS_FIPS140_SET_STRICT_MODE();
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+#endif
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}
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void
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@@ -270,7 +280,13 @@ QPDF::processFile(char const* descriptio
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{
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FileInputSource* fi = new FileInputSource();
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fi->setFile(description, filep, close_file);
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+#ifdef HAVE_GNUTLS
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+ GNUTLS_FIPS140_SET_LAX_MODE();
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+#endif
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processInputSource(fi, password);
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+#ifdef HAVE_GNUTLS
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+ GNUTLS_FIPS140_SET_STRICT_MODE();
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+#endif
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}
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void
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diff -up qpdf-10.2.0/libqpdf/QPDF_encryption.cc.relax qpdf-10.2.0/libqpdf/QPDF_encryption.cc
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--- qpdf-10.2.0/libqpdf/QPDF_encryption.cc.relax 2021-02-23 16:41:58.000000000 +0100
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+++ qpdf-10.2.0/libqpdf/QPDF_encryption.cc 2021-02-24 12:37:17.267561185 +0100
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@@ -1,6 +1,8 @@
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// This file implements methods from the QPDF class that involve
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// encryption.
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+#include <qpdf/qpdf-config.h>
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+
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#include <qpdf/QPDF.hh>
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#include <qpdf/QPDFExc.hh>
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@@ -18,6 +20,10 @@
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#include <assert.h>
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#include <string.h>
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+#ifdef HAVE_GNUTLS
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+# include <gnutls/crypto.h>
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+#endif
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+
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static unsigned char const padding_string[] = {
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0x28, 0xbf, 0x4e, 0x5e, 0x4e, 0x75, 0x8a, 0x41,
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0x64, 0x00, 0x4e, 0x56, 0xff, 0xfa, 0x01, 0x08,
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@@ -1150,6 +1156,12 @@ QPDF::getKeyForObject(
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void
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QPDF::decryptString(std::string& str, int objid, int generation)
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{
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+#ifdef HAVE_GNUTLS
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+ unsigned oldmode = gnutls_fips140_mode_enabled();
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+
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+ gnutls_fips140_set_mode(GNUTLS_FIPS140_LAX, GNUTLS_FIPS140_SET_MODE_THREAD);
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+#endif
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+
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if (objid == 0)
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{
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return;
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@@ -1230,6 +1242,10 @@ QPDF::decryptString(std::string& str, in
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QUtil::int_to_string(objid) + " " +
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QUtil::int_to_string(generation) + ": " + e.what());
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}
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+
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+#ifdef HAVE_GNUTLS
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+ gnutls_fips140_set_mode(static_cast<gnutls_fips_mode_t>(oldmode), GNUTLS_FIPS140_SET_MODE_THREAD);
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+#endif
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}
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void
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@@ -1240,6 +1256,12 @@ QPDF::decryptStream(PointerHolder
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QPDFObjectHandle& stream_dict,
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std::vector<PointerHolder<Pipeline> >& heap)
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{
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+#ifdef HAVE_GNUTLS
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+ unsigned oldmode = gnutls_fips140_mode_enabled();
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+
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+ gnutls_fips140_set_mode(GNUTLS_FIPS140_LAX, GNUTLS_FIPS140_SET_MODE_THREAD);
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+#endif
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+
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std::string type;
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if (stream_dict.getKey("/Type").isName())
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{
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@@ -1361,6 +1383,10 @@ QPDF::decryptStream(PointerHolder
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toI(key.length()));
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}
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heap.push_back(pipeline);
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+
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+#ifdef HAVE_GNUTLS
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+ gnutls_fips140_set_mode(static_cast<gnutls_fips_mode_t>(oldmode), GNUTLS_FIPS140_SET_MODE_THREAD);
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+#endif
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}
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void
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diff -up qpdf-10.2.0/libqpdf/QPDFWriter.cc.relax qpdf-10.2.0/libqpdf/QPDFWriter.cc
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--- qpdf-10.2.0/libqpdf/QPDFWriter.cc.relax 2021-02-23 16:41:58.000000000 +0100
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+++ qpdf-10.2.0/libqpdf/QPDFWriter.cc 2021-02-24 12:35:50.716329452 +0100
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@@ -24,6 +24,10 @@
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#include <algorithm>
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#include <stdlib.h>
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+#ifdef HAVE_GNUTLS
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+#include <gnutls/crypto.h>
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+#endif
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+
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QPDFWriter::Members::Members(QPDF& pdf) :
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pdf(pdf),
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filename("unspecified"),
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@@ -321,6 +325,13 @@ void
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QPDFWriter::setDeterministicID(bool val)
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{
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this->m->deterministic_id = val;
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+
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+#ifdef HAVE_GNUTLS
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+ if (val)
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+ GNUTLS_FIPS140_SET_LAX_MODE();
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+ else
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+ GNUTLS_FIPS140_SET_STRICT_MODE();
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+#endif
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}
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void
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@@ -342,6 +353,13 @@ void
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QPDFWriter::setPreserveEncryption(bool val)
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{
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this->m->preserve_encryption = val;
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+
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+#ifdef HAVE_GNUTLS
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+ if (val)
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+ GNUTLS_FIPS140_SET_STRICT_MODE();
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+ else
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+ GNUTLS_FIPS140_SET_LAX_MODE();
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+#endif
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}
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void
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