diff options
Diffstat (limited to 'core/fpdfapi/parser/cpdf_crypto_handler.h')
| -rw-r--r-- | core/fpdfapi/parser/cpdf_crypto_handler.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/core/fpdfapi/parser/cpdf_crypto_handler.h b/core/fpdfapi/parser/cpdf_crypto_handler.h index d815e786f6..60f32b70ba 100644 --- a/core/fpdfapi/parser/cpdf_crypto_handler.h +++ b/core/fpdfapi/parser/cpdf_crypto_handler.h @@ -17,6 +17,7 @@ #include "core/fxcrt/retain_ptr.h" class CPDF_Dictionary; +class CPDF_Object; class CPDF_SecurityHandler; class CPDF_CryptoHandler : public Retainable { @@ -24,16 +25,14 @@ class CPDF_CryptoHandler : public Retainable { template <typename T, typename... Args> friend RetainPtr<T> pdfium::MakeRetain(Args&&... args); + static bool IsSignatureDictionary(const CPDF_Dictionary* dictionary); + bool Init(CPDF_Dictionary* pEncryptDict, CPDF_SecurityHandler* pSecurityHandler); - uint32_t DecryptGetSize(uint32_t src_size); - void* DecryptStart(uint32_t objnum, uint32_t gennum); - ByteString Decrypt(uint32_t objnum, uint32_t gennum, const ByteString& str); - bool DecryptStream(void* context, - const uint8_t* src_buf, - uint32_t src_size, - CFX_BinaryBuf& dest_buf); - bool DecryptFinish(void* context, CFX_BinaryBuf& dest_buf); + + std::unique_ptr<CPDF_Object> DecryptObjectTree( + std::unique_ptr<CPDF_Object> object); + uint32_t EncryptGetSize(uint32_t objnum, uint32_t version, const uint8_t* src_buf, @@ -52,6 +51,15 @@ class CPDF_CryptoHandler : public Retainable { CPDF_CryptoHandler(); ~CPDF_CryptoHandler() override; + uint32_t DecryptGetSize(uint32_t src_size); + void* DecryptStart(uint32_t objnum, uint32_t gennum); + ByteString Decrypt(uint32_t objnum, uint32_t gennum, const ByteString& str); + bool DecryptStream(void* context, + const uint8_t* src_buf, + uint32_t src_size, + CFX_BinaryBuf& dest_buf); + bool DecryptFinish(void* context, CFX_BinaryBuf& dest_buf); + void PopulateKey(uint32_t objnum, uint32_t gennum, uint8_t* key); void CryptBlock(bool bEncrypt, uint32_t objnum, |