diff options
Diffstat (limited to 'libqpdf/qpdf/Pl_AES_PDF.hh')
| -rw-r--r-- | libqpdf/qpdf/Pl_AES_PDF.hh | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/libqpdf/qpdf/Pl_AES_PDF.hh b/libqpdf/qpdf/Pl_AES_PDF.hh index 3947506b..72f82229 100644 --- a/libqpdf/qpdf/Pl_AES_PDF.hh +++ b/libqpdf/qpdf/Pl_AES_PDF.hh @@ -7,17 +7,16 @@ # include <stdint.h> #endif -// This pipeline implements AES-128 with CBC and block padding as -// specified in the PDF specification. +// This pipeline implements AES-128 and AES-256 with CBC and block +// padding as specified in the PDF specification. class Pl_AES_PDF: public Pipeline { public: - // key_data should be a pointer to key_size bytes of data - static unsigned int const key_size = 16; QPDF_DLL + // key should be a pointer to key_bytes bytes of data Pl_AES_PDF(char const* identifier, Pipeline* next, - bool encrypt, unsigned char const key[key_size]); + bool encrypt, unsigned char const* key, unsigned int key_bytes); QPDF_DLL virtual ~Pl_AES_PDF(); @@ -26,6 +25,13 @@ class Pl_AES_PDF: public Pipeline QPDF_DLL virtual void finish(); + // Use zero initialization vector; needed for AESV3 + QPDF_DLL + void useZeroIV(); + // Disable padding; needed for AESV3 + QPDF_DLL + void disablePadding(); + // For testing only; PDF always uses CBC QPDF_DLL void disableCBC(); @@ -44,12 +50,14 @@ class Pl_AES_PDF: public Pipeline bool cbc_mode; bool first; size_t offset; // offset into memory buffer - unsigned char key[key_size]; - uint32_t rk[key_size + 28]; + unsigned char* key; + uint32_t* rk; unsigned char inbuf[buf_size]; unsigned char outbuf[buf_size]; unsigned char cbc_block[buf_size]; unsigned int nrounds; + bool use_zero_iv; + bool disable_padding; }; #endif // __PL_AES_PDF_HH__ |