LWJGL 3.3.3 · org.lwjgl.system.windows.Crypt32

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

Field Summary

Modifier and Type	Field and Description
private static final SharedLibrary	CRYPT32
public static final int	CRYPTPROTECT_AUDIT Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.
public static final int	CRYPTPROTECT_LOCAL_MACHINE Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.
public static final int	CRYPTPROTECT_PROMPT_ON_PROTECT Flags for the `dwPromptFlags` member of `DATA_BLOB`.
public static final int	CRYPTPROTECT_PROMPT_ON_UNPROTECT Flags for the `dwPromptFlags` member of `DATA_BLOB`.
public static final int	CRYPTPROTECT_UI_FORBIDDEN Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.
public static final int	CRYPTPROTECT_VERIFY_PROTECTION Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.
public static final int	CRYPTPROTECTMEMORY_BLOCK_SIZE The block size for data encrypted via `CryptProtectMemory`.
public static final int	CRYPTPROTECTMEMORY_CROSS_PROCESS Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.
public static final int	CRYPTPROTECTMEMORY_SAME_LOGON Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.
public static final int	CRYPTPROTECTMEMORY_SAME_PROCESS Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.

Access	Constructor and Description
protected	Crypt32()

Method Summary

Modifier and Type Method and Description

public static boolean

CryptProtectData(DATA_BLOB

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

pDataIn, ByteBuffer

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.

szDataDescr, DATA_BLOB

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.

pOptionalEntropy, long

reserved for future use and must be set to NULL

pvReserved, CRYPTPROTECT_PROMPTSTRUCT

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.

pPromptStruct, int

one or more of:

CRYPTPROTECT_LOCAL_MACHINE, CRYPTPROTECT_UI_FORBIDDEN, CRYPTPROTECT_AUDIT

dwFlags, DATA_BLOB

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 function.

pDataOut)

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

public static boolean

CryptProtectData(DATA_BLOB

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

pDataIn, CharSequence

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.

szDataDescr, DATA_BLOB

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.

pOptionalEntropy, long

reserved for future use and must be set to NULL

pvReserved, CRYPTPROTECT_PROMPTSTRUCT

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.

pPromptStruct, int

one or more of:

CRYPTPROTECT_LOCAL_MACHINE, CRYPTPROTECT_UI_FORBIDDEN, CRYPTPROTECT_AUDIT

dwFlags, DATA_BLOB

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 function.

pDataOut)

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

public static boolean

CryptProtectMemory(ByteBuffer

a pointer to the block of memory to encrypt

pDataIn, int

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`

dwFlags)

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

public static boolean

CryptUnprotectData(DATA_BLOB

a pointer to a DATA_BLOB structure that holds the encrypted data

pDataIn, PointerBuffer

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 function.

ppszDataDescr, DATA_BLOB

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.

pOptionalEntropy, long

reserved for future use and must be set to NULL

pvReserved, CRYPTPROTECT_PROMPTSTRUCT

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.

pPromptStruct, int

one or more of:

CRYPTPROTECT_UI_FORBIDDEN

CRYPTPROTECT_VERIFY_PROTECTION

dwFlags, DATA_BLOB

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 function.

pDataOut)

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

public static boolean

CryptUnprotectMemory(ByteBuffer

a pointer to the block of memory to decrypt

pDataIn, int

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`

dwFlags)

The CryptUnprotectMemory function decrypts memory that was encrypted using the CryptProtectMemory function.

public static SharedLibrary

getLibrary()

Returns the crypt32 SharedLibrary.

public static native int

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

Unsafe version of: CryptProtectData

public static int

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

Unsafe version of: CryptProtectData

public static native int

nCryptProtectMemory(long pDataIn, int

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.

cbDataIn, int dwFlags, long __functionAddress)

Unsafe version of: CryptProtectMemory

public static int

nCryptProtectMemory(long pDataIn, int

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.

cbDataIn, int dwFlags)

Unsafe version of: CryptProtectMemory

public static native int

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

Unsafe version of: CryptUnprotectData

public static int

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

Unsafe version of: CryptUnprotectData

public static native int

nCryptUnprotectMemory(long pDataIn, int

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.

cbDataIn, int dwFlags, long __functionAddress)

Unsafe version of: CryptUnprotectMemory

public static int

nCryptUnprotectMemory(long pDataIn, int

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.

cbDataIn, int dwFlags)

Unsafe version of: CryptUnprotectMemory

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

CRYPT32	back to summary
private static final SharedLibrary CRYPT32

CRYPTPROTECT_AUDIT	back to summary
public static final int CRYPTPROTECT_AUDIT Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.

CRYPTPROTECT_LOCAL_MACHINE	back to summary
public static final int CRYPTPROTECT_LOCAL_MACHINE Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.

CRYPTPROTECT_PROMPT_ON_PROTECT	back to summary
public static final int CRYPTPROTECT_PROMPT_ON_PROTECT Flags for the `dwPromptFlags` member of `DATA_BLOB`.

CRYPTPROTECT_PROMPT_ON_UNPROTECT	back to summary
public static final int CRYPTPROTECT_PROMPT_ON_UNPROTECT Flags for the `dwPromptFlags` member of `DATA_BLOB`.

CRYPTPROTECT_UI_FORBIDDEN	back to summary
public static final int CRYPTPROTECT_UI_FORBIDDEN Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.

CRYPTPROTECT_VERIFY_PROTECTION	back to summary
public static final int CRYPTPROTECT_VERIFY_PROTECTION Flags for the `dwFlags` parameter of `CryptProtectData` and/or `CryptUnprotectData`.

CRYPTPROTECTMEMORY_BLOCK_SIZE	back to summary
public static final int CRYPTPROTECTMEMORY_BLOCK_SIZE The block size for data encrypted via `CryptProtectMemory`.

CRYPTPROTECTMEMORY_CROSS_PROCESS	back to summary
public static final int CRYPTPROTECTMEMORY_CROSS_PROCESS Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.

CRYPTPROTECTMEMORY_SAME_LOGON	back to summary
public static final int CRYPTPROTECTMEMORY_SAME_LOGON Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.

CRYPTPROTECTMEMORY_SAME_PROCESS	back to summary
public static final int CRYPTPROTECTMEMORY_SAME_PROCESS Flags for the `dwFlags` parameter of `CryptProtectMemory` and `CryptUnprotectMemory`.

Constructor Detail

Crypt32	back to summary
protected Crypt32()

Method Detail

CryptProtectData back to summary

public static boolean CryptProtectData(DATA_BLOB pDataIn, ByteBuffer szDataDescr, DATA_BLOB pOptionalEntropy, long pvReserved, 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

pDataIn:DATA_BLOB

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

szDataDescr:ByteBuffer

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:DATA_BLOB

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:long

reserved for future use and must be set to NULL

pPromptStruct:CRYPTPROTECT_PROMPTSTRUCT

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:int

one or more of:

CRYPTPROTECT_LOCAL_MACHINE, CRYPTPROTECT_UI_FORBIDDEN, CRYPTPROTECT_AUDIT

pDataOut:DATA_BLOB

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 function.

Annotations

@NativeType:BOOL

CryptProtectData back to summary

public static boolean CryptProtectData(DATA_BLOB pDataIn, CharSequence szDataDescr, DATA_BLOB pOptionalEntropy, long pvReserved, 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

pDataIn:DATA_BLOB

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

szDataDescr:CharSequence

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:DATA_BLOB

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:long

reserved for future use and must be set to NULL

pPromptStruct:CRYPTPROTECT_PROMPTSTRUCT

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:int

one or more of:

CRYPTPROTECT_LOCAL_MACHINE, CRYPTPROTECT_UI_FORBIDDEN, CRYPTPROTECT_AUDIT

pDataOut:DATA_BLOB

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 function.

Annotations

@NativeType:BOOL

CryptProtectMemory back to summary

public static boolean CryptProtectMemory(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

pDataIn:ByteBuffer

a pointer to the block of memory to encrypt

dwFlags:int

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`

Annotations

@NativeType:BOOL

CryptUnprotectData back to summary

public static boolean CryptUnprotectData(DATA_BLOB pDataIn, PointerBuffer ppszDataDescr, DATA_BLOB pOptionalEntropy, long pvReserved, 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

pDataIn:DATA_BLOB

a pointer to a DATA_BLOB structure that holds the encrypted data

ppszDataDescr:PointerBuffer

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 function.

pOptionalEntropy:DATA_BLOB

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:long

reserved for future use and must be set to NULL

pPromptStruct:CRYPTPROTECT_PROMPTSTRUCT

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:int

one or more of:

CRYPTPROTECT_UI_FORBIDDEN

CRYPTPROTECT_VERIFY_PROTECTION

pDataOut:DATA_BLOB

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 function.

Annotations

@NativeType:BOOL

CryptUnprotectMemory back to summary

public static boolean CryptUnprotectMemory(ByteBuffer pDataIn, int dwFlags)

The CryptUnprotectMemory function decrypts memory that was encrypted using the CryptProtectMemory function.

Parameters

pDataIn:ByteBuffer

a pointer to the block of memory to decrypt

dwFlags:int

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`

Annotations

@NativeType:BOOL

getLibrary	back to summary
public static SharedLibrary getLibrary() Returns the crypt32 `SharedLibrary`.

nCryptProtectData	back to summary
public static native int nCryptProtectData(long pDataIn, long szDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut, long __functionAddress) Unsafe version of: `CryptProtectData`

nCryptProtectData	back to summary
public static int nCryptProtectData(long pDataIn, long szDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut) Unsafe version of: `CryptProtectData`

nCryptProtectMemory back to summary

nCryptProtectMemory	back to summary
public static native int nCryptProtectMemory(long pDataIn, int cbDataIn, int dwFlags, long __functionAddress) Unsafe version of: `CryptProtectMemory` Parameters cbDataIn:int 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.

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

Unsafe version of: CryptProtectMemory

Parameters

cbDataIn:int

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 back to summary

nCryptProtectMemory	back to summary
public static int nCryptProtectMemory(long pDataIn, int cbDataIn, int dwFlags) Unsafe version of: `CryptProtectMemory` Parameters cbDataIn:int 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.

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

Unsafe version of: CryptProtectMemory

Parameters

cbDataIn:int

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.

nCryptUnprotectData	back to summary
public static native int nCryptUnprotectData(long pDataIn, long ppszDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut, long __functionAddress) Unsafe version of: `CryptUnprotectData`

nCryptUnprotectData	back to summary
public static int nCryptUnprotectData(long pDataIn, long ppszDataDescr, long pOptionalEntropy, long pvReserved, long pPromptStruct, int dwFlags, long pDataOut) Unsafe version of: `CryptUnprotectData`

nCryptUnprotectMemory back to summary

nCryptUnprotectMemory	back to summary
public static native int nCryptUnprotectMemory(long pDataIn, int cbDataIn, int dwFlags, long __functionAddress) Unsafe version of: `CryptUnprotectMemory` Parameters cbDataIn:int 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.

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

Unsafe version of: CryptUnprotectMemory

Parameters

cbDataIn:int

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 back to summary

nCryptUnprotectMemory	back to summary
public static int nCryptUnprotectMemory(long pDataIn, int cbDataIn, int dwFlags) Unsafe version of: `CryptUnprotectMemory` Parameters cbDataIn:int 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.

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

Unsafe version of: CryptUnprotectMemory

Parameters

cbDataIn:int

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.

Modifier and Type	Field and Description
public static final long	CryptProtectData Function address.
public static final long	CryptProtectMemory Function address.
public static final long	CryptUnprotectData Function address.
public static final long	CryptUnprotectMemory Function address.

public Class Crypt32

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

public final Class Crypt32.Functions

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail