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Diffstat (limited to 'pdf/xpdf/Decrypt.h')
-rw-r--r-- | pdf/xpdf/Decrypt.h | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/pdf/xpdf/Decrypt.h b/pdf/xpdf/Decrypt.h deleted file mode 100644 index 71f9457..0000000 --- a/pdf/xpdf/Decrypt.h +++ /dev/null @@ -1,61 +0,0 @@ -//======================================================================== -// -// Decrypt.h -// -// Copyright 1996-2003 Glyph & Cog, LLC -// -//======================================================================== - -#ifndef DECRYPT_H -#define DECRYPT_H - -#include <aconf.h> - -#ifdef USE_GCC_PRAGMAS -#pragma interface -#endif - -#include "gtypes.h" -#include "GString.h" - -//------------------------------------------------------------------------ -// Decrypt -//------------------------------------------------------------------------ - -class Decrypt { -public: - - // Initialize the decryptor object. - Decrypt(Guchar *fileKey, int keyLength, int objNum, int objGen); - - // Reset decryption. - void reset(); - - // Decrypt one byte. - Guchar decryptByte(Guchar c); - - // Generate a file key. The <fileKey> buffer must have space for at - // least 16 bytes. Checks <ownerPassword> and then <userPassword> - // and returns true if either is correct. Sets <ownerPasswordOk> if - // the owner password was correct. Either or both of the passwords - // may be NULL, which is treated as an empty string. - static GBool makeFileKey(int encVersion, int encRevision, int keyLength, - GString *ownerKey, GString *userKey, - int permissions, GString *fileID, - GString *ownerPassword, GString *userPassword, - Guchar *fileKey, GBool *ownerPasswordOk); - -private: - - static GBool makeFileKey2(int encVersion, int encRevision, int keyLength, - GString *ownerKey, GString *userKey, - int permissions, GString *fileID, - GString *userPassword, Guchar *fileKey); - - int objKeyLength; - Guchar objKey[21]; - Guchar state[256]; - Guchar x, y; -}; - -#endif |