CPDF_CryptoHandler Class Reference

#include <cpdf_crypto_handler.h>

Collaboration diagram for CPDF_CryptoHandler:

Public Types
enum class	Cipher { kNone = 0 , kRC4 = 1 , kAES = 2 , kAES2 = 3 }

Public Member Functions
	CPDF_CryptoHandler (Cipher cipher, const uint8_t *key, size_t keylen)
	~CPDF_CryptoHandler ()
bool	DecryptObjectTree (RetainPtr< CPDF_Object > object)
size_t	EncryptGetSize (pdfium::span< const uint8_t > source) const
void	EncryptContent (uint32_t objnum, uint32_t gennum, pdfium::span< const uint8_t > source, uint8_t *dest_buf, size_t &dest_size) const
bool	IsCipherAES () const

Static Public Member Functions
static bool	IsSignatureDictionary (const CPDF_Dictionary *dictionary)

Detailed Description

Definition at line 25 of file cpdf_crypto_handler.h.

Member Enumeration Documentation

Cipher

enum class CPDF_CryptoHandler::Cipher

strong

Enumerator
kNone
kRC4
kAES
kAES2

Definition at line 27 of file cpdf_crypto_handler.h.

Constructor & Destructor Documentation

CPDF_CryptoHandler()

CPDF_CryptoHandler::CPDF_CryptoHandler	(	Cipher	cipher,
		const uint8_t *	key,
		size_t	keylen )

Definition at line 316 of file cpdf_crypto_handler.cpp.

References CPDF_CryptoHandler().

Referenced by CPDF_CryptoHandler().

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~CPDF_CryptoHandler()

CPDF_CryptoHandler::~CPDF_CryptoHandler ( )

default

Member Function Documentation

DecryptObjectTree()

bool CPDF_CryptoHandler::DecryptObjectTree

(

RetainPtr< CPDF_Object >

object

)

Definition at line 230 of file cpdf_crypto_handler.cpp.

References CPDF_ObjectWalker::dictionary_key(), CPDF_String::GetString(), IsCipherAES(), IsSignatureDictionary(), pdfium::form_fields::kFT, CPDF_Stream::SetData(), CPDF_String::SetString(), and CPDF_ObjectWalker::SkipWalkIntoCurrentObject().

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EncryptContent()

void CPDF_CryptoHandler::EncryptContent	(	uint32_t	objnum,
		uint32_t	gennum,
		pdfium::span< const uint8_t >	source,
		uint8_t *	dest_buf,
		size_t &	dest_size ) const

Definition at line 48 of file cpdf_crypto_handler.cpp.

References kAES, and kNone.

EncryptGetSize()

size_t CPDF_CryptoHandler::EncryptGetSize

(

pdfium::span< const uint8_t >

source

)

const

Definition at line 311 of file cpdf_crypto_handler.cpp.

References kAES.

IsCipherAES()

bool CPDF_CryptoHandler::IsCipherAES

(

)

const

Definition at line 226 of file cpdf_crypto_handler.cpp.

References kAES.

Referenced by DecryptObjectTree().

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IsSignatureDictionary()

bool CPDF_CryptoHandler::IsSignatureDictionary ( const CPDF_Dictionary * dictionary )

static

Definition at line 37 of file cpdf_crypto_handler.cpp.

References CPDF_Dictionary::GetDirectObjectFor(), pdfium::form_fields::kFT, and pdfium::form_fields::kSig.

Referenced by DecryptObjectTree(), and CPDF_Dictionary::WriteTo().

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The documentation for this class was generated from the following files:

• qtwebengine/src/3rdparty/chromium/third_party/pdfium/core/fpdfapi/parser/cpdf_crypto_handler.h (3dce9b5818576f04ce21cec4b3686eda012e5b65)
• qtwebengine/src/3rdparty/chromium/third_party/pdfium/core/fpdfapi/parser/cpdf_crypto_handler.cpp (5a424f4a7b188b75da63eb697f63558af0b17f6f)