Vanilla.PDF  1.6.0
Cross-platform toolkit for creating and modifying PDF documents
c_encryption.h
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1#ifndef _C_ENCRYPTION_H
2#define _C_ENCRYPTION_H
3
4#include "vanillapdf/c_export.h"
5#include "vanillapdf/c_handles.h"
6#include "vanillapdf/c_values.h"
7
8#ifdef __cplusplus
9extern "C"
10{
11#endif
12
37 typedef void (*EncryptionKeyInitializeFunction)(void);
38
45 typedef void (*EncryptionKeyCleanupFunction)(void);
46
54 typedef error_type (*EncryptionKeyDecryptFunction)(const BufferHandle* data, BufferHandle** result);
55
62 typedef error_type (*EncryptionKeyContainsFunction)(const BufferHandle* issuer, const BufferHandle* serial, boolean_type* result);
63
67 VANILLAPDF_API error_type CALLING_CONVENTION EncryptionKey_CreateCustom(
68 EncryptionKeyInitializeFunction initialize,
69 EncryptionKeyCleanupFunction cleanup,
70 EncryptionKeyDecryptFunction decrypt,
71 EncryptionKeyContainsFunction contains,
72 EncryptionKeyHandle** result
73 );
74
79 VANILLAPDF_API error_type CALLING_CONVENTION EncryptionKey_Release(EncryptionKeyHandle* handle);
80
83#ifdef __cplusplus
84};
85#endif
86
87#endif /* _C_ENCRYPTION_H */
c_export.h
This file contains macro declarations for importing and exporting symbols from library boundaries.
c_handles.h
This file contains all type forward declarations returned by the library API.
c_values.h
This file contains types and constants used as parameters or return values.
BufferHandle
Represents memory stored data.
EncryptionKeyHandle
Represents encryption key other than password.
EncryptionKeyHandle::EncryptionKeyDecryptFunction
error_type(* EncryptionKeyDecryptFunction)(const BufferHandle *data, BufferHandle **result)
User provided function used for decrypting data.
Definition: c_encryption.h:54
EncryptionKeyHandle::EncryptionKeyCleanupFunction
void(* EncryptionKeyCleanupFunction)(void)
Cleanup all dependencies after the decryption process has finished.
Definition: c_encryption.h:45
EncryptionKeyHandle::EncryptionKey_CreateCustom
error_type CALLING_CONVENTION EncryptionKey_CreateCustom(EncryptionKeyInitializeFunction initialize, EncryptionKeyCleanupFunction cleanup, EncryptionKeyDecryptFunction decrypt, EncryptionKeyContainsFunction contains, EncryptionKeyHandle **result)
Creates a custom EncryptionKeyHandle to provide custom decrypt operation.
EncryptionKeyHandle::EncryptionKeyInitializeFunction
void(* EncryptionKeyInitializeFunction)(void)
Function pointer used to initialize dependencies in order to provide decryption.
Definition: c_encryption.h:37
EncryptionKeyHandle::EncryptionKeyContainsFunction
error_type(* EncryptionKeyContainsFunction)(const BufferHandle *issuer, const BufferHandle *serial, boolean_type *result)
Function used to determine whether the private key for certificate issued by issuer with serial is pr...
Definition: c_encryption.h:62
EncryptionKeyHandle::EncryptionKey_Release
error_type CALLING_CONVENTION EncryptionKey_Release(EncryptionKeyHandle *handle)
Decrement the internal reference counter.
error_type
uint32_t error_type
This is return value type of all API functions.
Definition: c_types.h:25
boolean_type
int8_t boolean_type
Boolean type supported in C.
Definition: c_types.h:31