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-rw-r--r--include/qpdf/QPDF.hh7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
index 7df995b1..44d069f4 100644
--- a/include/qpdf/QPDF.hh
+++ b/include/qpdf/QPDF.hh
@@ -87,6 +87,7 @@ class DLL_EXPORT QPDF
// Encryption support
+ enum encryption_method_e { e_none, e_unknown, e_rc4, e_aes };
struct EncryptionData
{
// This class holds data read from the encryption dictionary.
@@ -397,6 +398,7 @@ class DLL_EXPORT QPDF
std::vector<QPDFObjectHandle>& result);
// methods to support encryption -- implemented in QPDF_encryption.cc
+ encryption_method_e interpretCF(QPDFObjectHandle);
void initializeEncryption();
std::string getKeyForObject(int objid, int generation, bool use_aes);
void decryptString(std::string&, int objid, int generation);
@@ -739,7 +741,10 @@ class DLL_EXPORT QPDF
bool attempt_recovery;
int encryption_V;
bool encrypt_metadata;
- QPDFObjectHandle encryption_dictionary;
+ std::map<std::string, encryption_method_e> crypt_filters;
+ encryption_method_e cf_stream;
+ encryption_method_e cf_string;
+ encryption_method_e cf_file;
std::string provided_password;
std::string user_password;
std::string encryption_key;