Package org.lwjgl.system.windows

Class Crypt32

java.lang.Object

org.lwjgl.system.windows.Crypt32

public class Crypt32
extends Object

Native bindings to dpapi.h and crypt32.dll.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Crypt32.Functions	Contains the function pointers loaded from the crypt32 SharedLibrary.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	CRYPTPROTECT_AUDIT	Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).
static final int	CRYPTPROTECT_LOCAL_MACHINE	Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).
static final int	CRYPTPROTECT_PROMPT_ON_PROTECT	Flags for the dwPromptFlags member of DATA_BLOB.
static final int	CRYPTPROTECT_PROMPT_ON_UNPROTECT	Flags for the dwPromptFlags member of DATA_BLOB.
static final int	CRYPTPROTECT_UI_FORBIDDEN	Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).
static final int	CRYPTPROTECT_VERIFY_PROTECTION	Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).
static final int	CRYPTPROTECTMEMORY_BLOCK_SIZE	The block size for data encrypted via CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).
static final int	CRYPTPROTECTMEMORY_CROSS_PROCESS	Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).
static final int	CRYPTPROTECTMEMORY_SAME_LOGON	Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).
static final int	CRYPTPROTECTMEMORY_SAME_PROCESS	Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).

Method Summary

Modifier and Type	Method	Description
static boolean	CryptProtectData(@Nullable IntBuffer _GetLastError, DATA_BLOB pDataIn, @Nullable CharSequence szDataDescr, @Nullable DATA_BLOB pOptionalEntropy, long pvReserved, @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct, int dwFlags, DATA_BLOB pDataOut)	The CryptProtectData function performs encryption on the data in a DATA_BLOB structure.
static boolean	CryptProtectData(@Nullable IntBuffer _GetLastError, DATA_BLOB pDataIn, @Nullable ByteBuffer szDataDescr, @Nullable DATA_BLOB pOptionalEntropy, long pvReserved, @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct, int dwFlags, DATA_BLOB pDataOut)	The CryptProtectData function performs encryption on the data in a DATA_BLOB structure.
static boolean	CryptProtectMemory(@Nullable IntBuffer _GetLastError, ByteBuffer pDataIn, int dwFlags)	Encrypts memory to prevent others from viewing sensitive information in your process.
static boolean	CryptUnprotectData(@Nullable IntBuffer _GetLastError, DATA_BLOB pDataIn, @Nullable org.lwjgl.PointerBuffer ppszDataDescr, @Nullable DATA_BLOB pOptionalEntropy, long pvReserved, @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct, int dwFlags, DATA_BLOB pDataOut)	The CryptUnprotectData function decrypts and does an integrity check of the data in a DATA_BLOB structure.
static boolean	CryptUnprotectMemory(@Nullable IntBuffer _GetLastError, ByteBuffer pDataIn, int dwFlags)	The CryptUnprotectMemory function decrypts memory that was encrypted using the CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) function.
static org.lwjgl.system.SharedLibrary	getLibrary()	Returns the crypt32 SharedLibrary.
static int	nCryptProtectData(long _GetLastError, long pDataIn, long szDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut)	Unsafe version of: CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)
static int	nCryptProtectData(long _GetLastError, long pDataIn, long szDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut, long __functionAddress)	Unsafe version of: CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)
static int	nCryptProtectMemory(long _GetLastError, long pDataIn, int cbDataIn, int dwFlags)	Unsafe version of: CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)
static int	nCryptProtectMemory(long _GetLastError, long pDataIn, int cbDataIn, int dwFlags, long __functionAddress)	Unsafe version of: CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)
static int	nCryptUnprotectData(long _GetLastError, long pDataIn, long ppszDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut)	Unsafe version of: CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)
static int	nCryptUnprotectData(long _GetLastError, long pDataIn, long ppszDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut, long __functionAddress)	Unsafe version of: CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)
static int	nCryptUnprotectMemory(long _GetLastError, long pDataIn, int cbDataIn, int dwFlags)	Unsafe version of: CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)
static int	nCryptUnprotectMemory(long _GetLastError, long pDataIn, int cbDataIn, int dwFlags, long __functionAddress)	Unsafe version of: CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

CRYPTPROTECT_UI_FORBIDDEN

public static final int CRYPTPROTECT_UI_FORBIDDEN

Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).

See Also:

• Constant Field Values

CRYPTPROTECT_LOCAL_MACHINE

public static final int CRYPTPROTECT_LOCAL_MACHINE

Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).

See Also:

• Constant Field Values

CRYPTPROTECT_AUDIT

public static final int CRYPTPROTECT_AUDIT

Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).

See Also:

• Constant Field Values

CRYPTPROTECT_VERIFY_PROTECTION

public static final int CRYPTPROTECT_VERIFY_PROTECTION

Flags for the dwFlags parameter of CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB) and/or CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB).

See Also:

• Constant Field Values

CRYPTPROTECTMEMORY_SAME_PROCESS

public static final int CRYPTPROTECTMEMORY_SAME_PROCESS

Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).

See Also:

• Constant Field Values

CRYPTPROTECTMEMORY_CROSS_PROCESS

public static final int CRYPTPROTECTMEMORY_CROSS_PROCESS

Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).

See Also:

• Constant Field Values

CRYPTPROTECTMEMORY_SAME_LOGON

public static final int CRYPTPROTECTMEMORY_SAME_LOGON

Flags for the dwFlags parameter of CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) and CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).

See Also:

• Constant Field Values

CRYPTPROTECT_PROMPT_ON_UNPROTECT

public static final int CRYPTPROTECT_PROMPT_ON_UNPROTECT

Flags for the dwPromptFlags member of DATA_BLOB.

See Also:

• Constant Field Values

CRYPTPROTECT_PROMPT_ON_PROTECT

public static final int CRYPTPROTECT_PROMPT_ON_PROTECT

Flags for the dwPromptFlags member of DATA_BLOB.

See Also:

• Constant Field Values

CRYPTPROTECTMEMORY_BLOCK_SIZE

public static final int CRYPTPROTECTMEMORY_BLOCK_SIZE

The block size for data encrypted via CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int).

See Also:

• Constant Field Values

Method Details

getLibrary

public static org.lwjgl.system.SharedLibrary getLibrary()

Returns the crypt32 SharedLibrary.

nCryptProtectData

public static int nCryptProtectData(long _GetLastError,
 long pDataIn,
 long szDataDescr,
 long pOptionalEntropy,
 long pvReserved,
 long pPromptStruct,
 int dwFlags,
 long pDataOut,
 long __functionAddress)

Unsafe version of: CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)

nCryptProtectData

public static int nCryptProtectData(long _GetLastError,
 long pDataIn,
 long szDataDescr,
 long pOptionalEntropy,
 long pvReserved,
 long pPromptStruct,
 int dwFlags,
 long pDataOut)

Unsafe version of: CryptProtectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, java.nio.ByteBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)

CryptProtectData

public static boolean CryptProtectData(@Nullable IntBuffer _GetLastError,
 DATA_BLOB pDataIn,
 @Nullable ByteBuffer szDataDescr,
 @Nullable DATA_BLOB pOptionalEntropy,
 long pvReserved,
 @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct,
 int dwFlags,
 DATA_BLOB pDataOut)

The CryptProtectData function performs encryption on the data in a DATA_BLOB structure.

Typically, only a user with the same logon credential as the user who encrypted the data can decrypt the data. In addition, the encryption and decryption usually must be done on the same computer.

Parameters:

_GetLastError - optionally returns the result of GetLastError() after this function is called

pDataIn - a pointer to a DATA_BLOB structure that contains the plaintext to be encrypted

szDataDescr - a string with a readable description of the data to be encrypted.

This description string is included with the encrypted data. This parameter is optional and can be set to NULL.

pOptionalEntropy - a pointer to a DATA_BLOB structure that contains a password or other additional entropy used to encrypt the data.

The DATA_BLOB structure used in the encryption phase must also be used in the decryption phase. This parameter can be set to NULL for no additional entropy.

pvReserved - reserved for future use and must be set to NULL

pPromptStruct - a pointer to a CRYPTPROTECT_PROMPTSTRUCT structure that provides information about where and when prompts are to be displayed and what the content of those prompts should be.

This parameter can be set to NULL in both the encryption and decryption phases.

dwFlags - one or more of:

CRYPTPROTECT_LOCAL_MACHINE,

CRYPTPROTECT_UI_FORBIDDEN,

CRYPTPROTECT_AUDIT

pDataOut - a pointer to a DATA_BLOB structure that receives the encrypted data.

When you have finished using the DATA_BLOB structure, free its pbData member by calling the WinBase.LocalFree(java.nio.IntBuffer, long) function.

CryptProtectData

public static boolean CryptProtectData(@Nullable IntBuffer _GetLastError,
 DATA_BLOB pDataIn,
 @Nullable CharSequence szDataDescr,
 @Nullable DATA_BLOB pOptionalEntropy,
 long pvReserved,
 @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct,
 int dwFlags,
 DATA_BLOB pDataOut)

The CryptProtectData function performs encryption on the data in a DATA_BLOB structure.

Typically, only a user with the same logon credential as the user who encrypted the data can decrypt the data. In addition, the encryption and decryption usually must be done on the same computer.

Parameters:

_GetLastError - optionally returns the result of GetLastError() after this function is called

pDataIn - a pointer to a DATA_BLOB structure that contains the plaintext to be encrypted

szDataDescr - a string with a readable description of the data to be encrypted.

This description string is included with the encrypted data. This parameter is optional and can be set to NULL.

pOptionalEntropy - a pointer to a DATA_BLOB structure that contains a password or other additional entropy used to encrypt the data.

The DATA_BLOB structure used in the encryption phase must also be used in the decryption phase. This parameter can be set to NULL for no additional entropy.

pvReserved - reserved for future use and must be set to NULL

pPromptStruct - a pointer to a CRYPTPROTECT_PROMPTSTRUCT structure that provides information about where and when prompts are to be displayed and what the content of those prompts should be.

This parameter can be set to NULL in both the encryption and decryption phases.

dwFlags - one or more of:

CRYPTPROTECT_LOCAL_MACHINE,

CRYPTPROTECT_UI_FORBIDDEN,

CRYPTPROTECT_AUDIT

pDataOut - a pointer to a DATA_BLOB structure that receives the encrypted data.

When you have finished using the DATA_BLOB structure, free its pbData member by calling the WinBase.LocalFree(java.nio.IntBuffer, long) function.

nCryptProtectMemory

public static int nCryptProtectMemory(long _GetLastError,
 long pDataIn,
 int cbDataIn,
 int dwFlags,
 long __functionAddress)

Unsafe version of: CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)

Parameters:

cbDataIn - number of bytes of memory pointed to by the pData parameter to encrypt.

The number of bytes must be a multiple of the CRYPTPROTECTMEMORY_BLOCK_SIZE constant.

nCryptProtectMemory

public static int nCryptProtectMemory(long _GetLastError,
 long pDataIn,
 int cbDataIn,
 int dwFlags)

Unsafe version of: CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)

Parameters:

cbDataIn - number of bytes of memory pointed to by the pData parameter to encrypt.

The number of bytes must be a multiple of the CRYPTPROTECTMEMORY_BLOCK_SIZE constant.

CryptProtectMemory

public static boolean CryptProtectMemory(@Nullable IntBuffer _GetLastError,
 ByteBuffer pDataIn,
 int dwFlags)

Encrypts memory to prevent others from viewing sensitive information in your process.

For example, use the CryptProtectMemory function to encrypt memory that contains a password. Encrypting the password prevents others from viewing it when the process is paged out to the swap file. Otherwise, the password is in plaintext and viewable by others.

Parameters:

_GetLastError - optionally returns the result of GetLastError() after this function is called

pDataIn - a pointer to the block of memory to encrypt

dwFlags - this parameter can be one of the following flags. You must specify the same flag when encrypting and decrypting the memory. One of:

CRYPTPROTECTMEMORY_SAME_PROCESS	CRYPTPROTECTMEMORY_CROSS_PROCESS
CRYPTPROTECTMEMORY_SAME_LOGON

nCryptUnprotectData

public static int nCryptUnprotectData(long _GetLastError,
 long pDataIn,
 long ppszDataDescr,
 long pOptionalEntropy,
 long pvReserved,
 long pPromptStruct,
 int dwFlags,
 long pDataOut,
 long __functionAddress)

Unsafe version of: CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)

nCryptUnprotectData

public static int nCryptUnprotectData(long _GetLastError,
 long pDataIn,
 long ppszDataDescr,
 long pOptionalEntropy,
 long pvReserved,
 long pPromptStruct,
 int dwFlags,
 long pDataOut)

Unsafe version of: CryptUnprotectData(java.nio.IntBuffer, org.lwjgl.system.windows.DATA_BLOB, org.lwjgl.PointerBuffer, org.lwjgl.system.windows.DATA_BLOB, long, org.lwjgl.system.windows.CRYPTPROTECT_PROMPTSTRUCT, int, org.lwjgl.system.windows.DATA_BLOB)

CryptUnprotectData

public static boolean CryptUnprotectData(@Nullable IntBuffer _GetLastError,
 DATA_BLOB pDataIn,
 @Nullable org.lwjgl.PointerBuffer ppszDataDescr,
 @Nullable DATA_BLOB pOptionalEntropy,
 long pvReserved,
 @Nullable CRYPTPROTECT_PROMPTSTRUCT pPromptStruct,
 int dwFlags,
 DATA_BLOB pDataOut)

The CryptUnprotectData function decrypts and does an integrity check of the data in a DATA_BLOB structure.

Usually, the only user who can decrypt the data is a user with the same logon credentials as the user who encrypted the data. In addition, the encryption and decryption must be done on the same computer.

Parameters:

_GetLastError - optionally returns the result of GetLastError() after this function is called

pDataIn - a pointer to a DATA_BLOB structure that holds the encrypted data

ppszDataDescr - a pointer to a string-readable description of the encrypted data included with the encrypted data.

This parameter can be set to NULL. When you have finished using ppszDataDescr, free it by calling the WinBase.LocalFree(java.nio.IntBuffer, long) function.

pOptionalEntropy - a pointer to a DATA_BLOB structure that contains a password or other additional entropy used when the data was encrypted.

This parameter can be set to NULL; however, if an optional entropy DATA_BLOB structure was used in the encryption phase, that same DATA_BLOB structure must be used for the decryption phase.

pvReserved - reserved for future use and must be set to NULL

pPromptStruct - a pointer to a CRYPTPROTECT_PROMPTSTRUCT structure that provides information about where and when prompts are to be displayed and what the content of those prompts should be.

This parameter can be set to NULL.

dwFlags - one or more of:

CRYPTPROTECT_UI_FORBIDDEN

CRYPTPROTECT_VERIFY_PROTECTION

pDataOut - a pointer to a DATA_BLOB structure where the function stores the decrypted data.

When you have finished using the DATA_BLOB structure, free its pbData member by calling the WinBase.LocalFree(java.nio.IntBuffer, long) function.

nCryptUnprotectMemory

public static int nCryptUnprotectMemory(long _GetLastError,
 long pDataIn,
 int cbDataIn,
 int dwFlags,
 long __functionAddress)

Unsafe version of: CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)

Parameters:

cbDataIn - number of bytes of memory pointed to by the pData parameter to decrypt.

The number of bytes must be a multiple of the CRYPTPROTECTMEMORY_BLOCK_SIZE constant.

nCryptUnprotectMemory

public static int nCryptUnprotectMemory(long _GetLastError,
 long pDataIn,
 int cbDataIn,
 int dwFlags)

Unsafe version of: CryptUnprotectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int)

Parameters:

cbDataIn - number of bytes of memory pointed to by the pData parameter to decrypt.

The number of bytes must be a multiple of the CRYPTPROTECTMEMORY_BLOCK_SIZE constant.

CryptUnprotectMemory

public static boolean CryptUnprotectMemory(@Nullable IntBuffer _GetLastError,
 ByteBuffer pDataIn,
 int dwFlags)

The CryptUnprotectMemory function decrypts memory that was encrypted using the CryptProtectMemory(java.nio.IntBuffer, java.nio.ByteBuffer, int) function.

Parameters:

_GetLastError - optionally returns the result of GetLastError() after this function is called

pDataIn - a pointer to the block of memory to decrypt

dwFlags - this parameter can be one of the following flags. You must specify the same flag when encrypting and decrypting the memory. One of:

CRYPTPROTECTMEMORY_SAME_PROCESS	CRYPTPROTECTMEMORY_CROSS_PROCESS
CRYPTPROTECTMEMORY_SAME_LOGON