crypt.h File Reference

#include "mupdf/pdf/document.h"
#include "mupdf/pdf/object.h"

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Enumerations
enum	{   PDF_ENCRYPT_KEEP , PDF_ENCRYPT_NONE , PDF_ENCRYPT_RC4_40 , PDF_ENCRYPT_RC4_128 ,   PDF_ENCRYPT_AES_128 , PDF_ENCRYPT_AES_256 , PDF_ENCRYPT_UNKNOWN }
enum	{   PDF_PERM_PRINT = 1 << 2 , PDF_PERM_MODIFY = 1 << 3 , PDF_PERM_COPY = 1 << 4 , PDF_PERM_ANNOTATE = 1 << 5 ,   PDF_PERM_FORM = 1 << 8 , PDF_PERM_ACCESSIBILITY = 1 << 9 , PDF_PERM_ASSEMBLE = 1 << 10 , PDF_PERM_PRINT_HQ = 1 << 11 }

Functions
pdf_crypt *	pdf_new_crypt (fz_context *ctx, pdf_obj *enc, pdf_obj *id)
pdf_crypt *	pdf_new_encrypt (fz_context *ctx, const char *opwd_utf8, const char *upwd_utf8, pdf_obj *id, int permissions, int algorithm)
void	pdf_drop_crypt (fz_context *ctx, pdf_crypt *crypt)
void	pdf_crypt_obj (fz_context *ctx, pdf_crypt *crypt, pdf_obj *obj, int num, int gen)
fz_stream *	pdf_open_crypt (fz_context *ctx, fz_stream *chain, pdf_crypt *crypt, int num, int gen)
fz_stream *	pdf_open_crypt_with_filter (fz_context *ctx, fz_stream *chain, pdf_crypt *crypt, pdf_obj *name, int num, int gen)
int	pdf_crypt_version (fz_context *ctx, pdf_crypt *crypt)
int	pdf_crypt_revision (fz_context *ctx, pdf_crypt *crypt)
const char *	pdf_crypt_method (fz_context *ctx, pdf_crypt *crypt)
const char *	pdf_crypt_string_method (fz_context *ctx, pdf_crypt *crypt)
const char *	pdf_crypt_stream_method (fz_context *ctx, pdf_crypt *crypt)
int	pdf_crypt_length (fz_context *ctx, pdf_crypt *crypt)
int	pdf_crypt_permissions (fz_context *ctx, pdf_crypt *crypt)
int	pdf_crypt_encrypt_metadata (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_owner_password (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_user_password (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_owner_encryption (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_user_encryption (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_permissions_encryption (fz_context *ctx, pdf_crypt *crypt)
unsigned char *	pdf_crypt_key (fz_context *ctx, pdf_crypt *crypt)
void	pdf_print_crypt (fz_context *ctx, fz_output *out, pdf_crypt *crypt)
void	pdf_write_digest (fz_context *ctx, fz_output *out, pdf_obj *byte_range, pdf_obj *field, size_t digest_offset, size_t digest_length, pdf_pkcs7_signer *signer)
int	pdf_document_permissions (fz_context *ctx, pdf_document *doc)
int	pdf_signature_byte_range (fz_context *ctx, pdf_document *doc, pdf_obj *signature, fz_range *byte_range)
fz_stream *	pdf_signature_hash_bytes (fz_context *ctx, pdf_document *doc, pdf_obj *signature)
int	pdf_signature_incremental_change_since_signing (fz_context *ctx, pdf_document *doc, pdf_obj *signature)
int	pdf_incremental_change_since_signing_widget (fz_context *ctx, pdf_annot *widget)
size_t	pdf_signature_contents (fz_context *ctx, pdf_document *doc, pdf_obj *signature, char **contents)
void	pdf_encrypt_data (fz_context *ctx, pdf_crypt *crypt, int num, int gen, void(*fmt_str_out)(fz_context *, void *, const unsigned char *, size_t), void *arg, const unsigned char *s, size_t n)
size_t	pdf_encrypted_len (fz_context *ctx, pdf_crypt *crypt, int num, int gen, size_t len)

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
PDF_ENCRYPT_KEEP
PDF_ENCRYPT_NONE
PDF_ENCRYPT_RC4_40
PDF_ENCRYPT_RC4_128
PDF_ENCRYPT_AES_128
PDF_ENCRYPT_AES_256
PDF_ENCRYPT_UNKNOWN

anonymous enum

anonymous enum

Enumerator
PDF_PERM_PRINT
PDF_PERM_MODIFY
PDF_PERM_COPY
PDF_PERM_ANNOTATE
PDF_PERM_FORM
PDF_PERM_ACCESSIBILITY
PDF_PERM_ASSEMBLE
PDF_PERM_PRINT_HQ

Function Documentation

pdf_crypt_encrypt_metadata()

int pdf_crypt_encrypt_metadata	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_key()

unsigned char * pdf_crypt_key	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_length()

int pdf_crypt_length	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_method()

const char * pdf_crypt_method	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_obj()

void pdf_crypt_obj	(	fz_context *	ctx,
		pdf_crypt *	crypt,
		pdf_obj *	obj,
		int	num,
		int	gen )

pdf_crypt_owner_encryption()

unsigned char * pdf_crypt_owner_encryption	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_owner_password()

unsigned char * pdf_crypt_owner_password	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_permissions()

int pdf_crypt_permissions	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_permissions_encryption()

unsigned char * pdf_crypt_permissions_encryption	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_revision()

int pdf_crypt_revision	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_stream_method()

const char * pdf_crypt_stream_method	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_string_method()

const char * pdf_crypt_string_method	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_user_encryption()

unsigned char * pdf_crypt_user_encryption	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_user_password()

unsigned char * pdf_crypt_user_password	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_crypt_version()

int pdf_crypt_version	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_document_permissions()

int pdf_document_permissions	(	fz_context *	ctx,
		pdf_document *	doc )

pdf_drop_crypt()

void pdf_drop_crypt	(	fz_context *	ctx,
		pdf_crypt *	crypt )

pdf_encrypt_data()

void pdf_encrypt_data	(	fz_context *	ctx,
		pdf_crypt *	crypt,
		int	num,
		int	gen,
		void(*	fmt_str_out )(fz_context *, void *, const unsigned char *, size_t),
		void *	arg,
		const unsigned char *	s,
		size_t	n )

pdf_encrypted_len()

size_t pdf_encrypted_len	(	fz_context *	ctx,
		pdf_crypt *	crypt,
		int	num,
		int	gen,
		size_t	len )

pdf_incremental_change_since_signing_widget()

int pdf_incremental_change_since_signing_widget	(	fz_context *	ctx,
		pdf_annot *	widget )

pdf_new_crypt()

pdf_crypt * pdf_new_crypt	(	fz_context *	ctx,
		pdf_obj *	enc,
		pdf_obj *	id )

pdf_new_encrypt()

pdf_crypt * pdf_new_encrypt	(	fz_context *	ctx,
		const char *	opwd_utf8,
		const char *	upwd_utf8,
		pdf_obj *	id,
		int	permissions,
		int	algorithm )

pdf_open_crypt()

fz_stream * pdf_open_crypt	(	fz_context *	ctx,
		fz_stream *	chain,
		pdf_crypt *	crypt,
		int	num,
		int	gen )

pdf_open_crypt_with_filter()

fz_stream * pdf_open_crypt_with_filter	(	fz_context *	ctx,
		fz_stream *	chain,
		pdf_crypt *	crypt,
		pdf_obj *	name,
		int	num,
		int	gen )

pdf_print_crypt()

void pdf_print_crypt	(	fz_context *	ctx,
		fz_output *	out,
		pdf_crypt *	crypt )

pdf_signature_byte_range()

int pdf_signature_byte_range	(	fz_context *	ctx,
		pdf_document *	doc,
		pdf_obj *	signature,
		fz_range *	byte_range )

pdf_signature_contents()

size_t pdf_signature_contents	(	fz_context *	ctx,
		pdf_document *	doc,
		pdf_obj *	signature,
		char **	contents )

pdf_signature_hash_bytes()

fz_stream * pdf_signature_hash_bytes	(	fz_context *	ctx,
		pdf_document *	doc,
		pdf_obj *	signature )

pdf_signature_incremental_change_since_signing()

int pdf_signature_incremental_change_since_signing	(	fz_context *	ctx,
		pdf_document *	doc,
		pdf_obj *	signature )

pdf_write_digest()

void pdf_write_digest	(	fz_context *	ctx,
		fz_output *	out,
		pdf_obj *	byte_range,
		pdf_obj *	field,
		size_t	digest_offset,
		size_t	digest_length,
		pdf_pkcs7_signer *	signer )