XMLEncrypt Class

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The XMLEncrypt class is used to encrypt and decrypt XML.

Syntax

XMLEncrypt

Remarks

The XMLEncrypt class provides a simple API for encrypting and decrypting XML. The Encrypt method will encrypt the XML document, or a specific element. Multiple elements may be encrypted at one time by setting the EncryptedDataDetail* properties. The Decrypt method will decrypt the XML document.

The class supports encrypting and decrypting with a shared SymmetricKey, and also using asymmetric encryption to encrypt the SymmetricKey (session key) via the RecipientCert* and Cer* properties.

Encrypt

To begin first specify a XML document by setting InputFile, or InputXML.

The EncryptedDataDetail* properties specify the XML element to encrypt. By default the entire XML document is encrypted.

The SymmetricKey property specifies the key which will be used to encrypt the data.

If the RecipientCert* properties are set, then the SymmetricKey will be encrypted and included in the encrypted data. This allows for the recipient to decrypt the key, with their certificate. Encrypting the symmetric key is also referred to as using a session key. The benefit of using certificate to encrypt and decrypt a session key (SymmetricKey) is that knowledge of the key value is not needed ahead of time to process the encrypted data. Note that if specified, RecipientCert MUST have a RSA key, not a DSA key.

If the RecipientCert* properties are not set, then the recipient must know the value of SymmetricKey before decrypting the XML. The KeyName setting may be set to provide a key identifier to the recipient.

Optionally set EncryptingAlgorithm, and then call Encrypt to encrypt the XML.

The following properties are applicable when calling this method:

• SymmetricKey (required)
• EncryptingAlgorithm
• EncryptedDataDetail*
• RecipientCert*
• KeyName

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Decrypt

To begin first specify a XML document by setting InputFile, or InputXML.

The SymmetricKey property specifies the key used to decrypt the data. This may be set before calling Decrypt or inside the EncryptedDataInfo event. The EncryptedDataInfo event fires once for each encrypted element when Decrypt is called.

If the data was encrypted using an session key, set the Cert* properties to the certificate with private key before calling Decrypt. The certificate will be used to decrypt the encrypted session key. In this case the SymmetricKey property is ignored.

The following properties are applicable when calling this method:

• SymmetricKey
• Certificate

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Property List

The following is the full list of the properties of the class with short descriptions. Click on the links for further details.

Method List

The following is the full list of the methods of the class with short descriptions. Click on the links for further details.

Event List

The following is the full list of the events fired by the class with short descriptions. Click on the links for further details.

Config Settings

The following is a list of config settings for the class with short descriptions. Click on the links for further details.

CertEncoded Property (XMLEncrypt Class)

This is the certificate (PEM/Base64 encoded).

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetCertEncoded(char* &lpCertEncoded, int &lenCertEncoded);
int SetCertEncoded(const char* lpCertEncoded, int lenCertEncoded);

Unicode (Windows)
INT GetCertEncoded(LPSTR &lpCertEncoded, INT &lenCertEncoded);
INT SetCertEncoded(LPCSTR lpCertEncoded, INT lenCertEncoded);

int ipworksencrypt_xmlencrypt_getcertencoded(void* lpObj, char** lpCertEncoded, int* lenCertEncoded);
int ipworksencrypt_xmlencrypt_setcertencoded(void* lpObj, const char* lpCertEncoded, int lenCertEncoded);

QByteArray GetCertEncoded();
int SetCertEncoded(QByteArray qbaCertEncoded);

Default Value

""

Remarks

This is the certificate (PEM/Base64 encoded). This property is used to assign a specific certificate. The CertStore and CertSubject properties also may be used to specify a certificate.

When CertEncoded is set, a search is initiated in the current CertStore for the private key of the certificate. If the key is found, CertSubject is updated to reflect the full subject of the selected certificate; otherwise, CertSubject is set to an empty string.

This property is not available at design time.

Data Type

Binary String

CertStore Property (XMLEncrypt Class)

This is the name of the certificate store for the client certificate.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetCertStore(char* &lpCertStore, int &lenCertStore);
int SetCertStore(const char* lpCertStore, int lenCertStore);

Unicode (Windows)
INT GetCertStore(LPSTR &lpCertStore, INT &lenCertStore);
INT SetCertStore(LPCSTR lpCertStore, INT lenCertStore);

int ipworksencrypt_xmlencrypt_getcertstore(void* lpObj, char** lpCertStore, int* lenCertStore);
int ipworksencrypt_xmlencrypt_setcertstore(void* lpObj, const char* lpCertStore, int lenCertStore);

QByteArray GetCertStore();
int SetCertStore(QByteArray qbaCertStore);

Default Value

"MY"

Remarks

This is the name of the certificate store for the client certificate.

The CertStoreType property denotes the type of the certificate store specified by CertStore. If the store is password protected, specify the password in CertStorePassword.

CertStore is used in conjunction with the CertSubject property to specify client certificates. If CertStore has a value, and CertSubject or CertEncoded is set, a search for a certificate is initiated. Please see the CertSubject property for details.

Designations of certificate stores are platform dependent.

The following designations are the most common User and Machine certificate stores in Windows:

When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).

Data Type

Binary String

CertStorePassword Property (XMLEncrypt Class)

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetCertStorePassword();
int SetCertStorePassword(const char* lpszCertStorePassword);

Unicode (Windows)
LPWSTR GetCertStorePassword();
INT SetCertStorePassword(LPCWSTR lpszCertStorePassword);

char* ipworksencrypt_xmlencrypt_getcertstorepassword(void* lpObj);
int ipworksencrypt_xmlencrypt_setcertstorepassword(void* lpObj, const char* lpszCertStorePassword);

QString GetCertStorePassword();
int SetCertStorePassword(QString qsCertStorePassword);

Default Value

""

Remarks

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Data Type

String

CertStoreType Property (XMLEncrypt Class)

This is the type of certificate store for this certificate.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetCertStoreType();
int SetCertStoreType(int iCertStoreType);

Unicode (Windows)
INT GetCertStoreType();
INT SetCertStoreType(INT iCertStoreType);

CST_USER(0), 
CST_MACHINE(1), 
CST_PFXFILE(2), 
CST_PFXBLOB(3), 
CST_JKSFILE(4), 
CST_JKSBLOB(5), 
CST_PEMKEY_FILE(6), 
CST_PEMKEY_BLOB(7), 
CST_PUBLIC_KEY_FILE(8), 
CST_PUBLIC_KEY_BLOB(9), 
CST_SSHPUBLIC_KEY_BLOB(10), 
CST_P7BFILE(11), 
CST_P7BBLOB(12), 
CST_SSHPUBLIC_KEY_FILE(13), 
CST_PPKFILE(14), 
CST_PPKBLOB(15), 
CST_XMLFILE(16), 
CST_XMLBLOB(17), 
CST_JWKFILE(18), 
CST_JWKBLOB(19), 
CST_SECURITY_KEY(20), 
CST_BCFKSFILE(21), 
CST_BCFKSBLOB(22), 
CST_PKCS11(23), 
CST_AUTO(99)

int ipworksencrypt_xmlencrypt_getcertstoretype(void* lpObj);
int ipworksencrypt_xmlencrypt_setcertstoretype(void* lpObj, int iCertStoreType);

int GetCertStoreType();
int SetCertStoreType(int iCertStoreType);

Default Value

0

Remarks

This is the type of certificate store for this certificate.

The class supports both public and private keys in a variety of formats. When the cstAuto value is used, the class will automatically determine the type. This property can take one of the following values:

Data Type

Integer

CertSubject Property (XMLEncrypt Class)

This is the subject of the certificate used for client authentication.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetCertSubject();
int SetCertSubject(const char* lpszCertSubject);

Unicode (Windows)
LPWSTR GetCertSubject();
INT SetCertSubject(LPCWSTR lpszCertSubject);

char* ipworksencrypt_xmlencrypt_getcertsubject(void* lpObj);
int ipworksencrypt_xmlencrypt_setcertsubject(void* lpObj, const char* lpszCertSubject);

QString GetCertSubject();
int SetCertSubject(QString qsCertSubject);

Default Value

""

Remarks

This is the subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a matching subject.

If a matching certificate is found, the property is set to the full subject of the matching certificate.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks a random certificate in the certificate store.

The certificate subject is a comma-separated list of distinguished name fields and values. For instance, "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are as follows:

If a field value contains a comma, it must be quoted.

Data Type

String

EncryptedDataDetailCount Property (XMLEncrypt Class)

The number of records in the EncryptedDataDetail arrays.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetEncryptedDataDetailCount();
int SetEncryptedDataDetailCount(int iEncryptedDataDetailCount);

Unicode (Windows)
INT GetEncryptedDataDetailCount();
INT SetEncryptedDataDetailCount(INT iEncryptedDataDetailCount);

int ipworksencrypt_xmlencrypt_getencrypteddatadetailcount(void* lpObj);
int ipworksencrypt_xmlencrypt_setencrypteddatadetailcount(void* lpObj, int iEncryptedDataDetailCount);

int GetEncryptedDataDetailCount();
int SetEncryptedDataDetailCount(int iEncryptedDataDetailCount);

Default Value

0

Remarks

This property controls the size of the following arrays:

• EncryptedDataDetailId
• EncryptedDataDetailMIMEType
• EncryptedDataDetailScope
• EncryptedDataDetailXMLElement

The array indices start at 0 and end at EncryptedDataDetailCount - 1.

This property is not available at design time.

Data Type

Integer

EncryptedDataDetailId Property (XMLEncrypt Class)

This property is an optional identifier for the encrypted data.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetEncryptedDataDetailId(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailId(int iEncryptedDataDetailIndex, const char* lpszEncryptedDataDetailId);

Unicode (Windows)
LPWSTR GetEncryptedDataDetailId(INT iEncryptedDataDetailIndex);
INT SetEncryptedDataDetailId(INT iEncryptedDataDetailIndex, LPCWSTR lpszEncryptedDataDetailId);

char* ipworksencrypt_xmlencrypt_getencrypteddatadetailid(void* lpObj, int encrypteddatadetailindex);
int ipworksencrypt_xmlencrypt_setencrypteddatadetailid(void* lpObj, int encrypteddatadetailindex, const char* lpszEncryptedDataDetailId);

QString GetEncryptedDataDetailId(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailId(int iEncryptedDataDetailIndex, QString qsEncryptedDataDetailId);

Default Value

""

Remarks

This property is an optional identifier for the encrypted data.

The EncryptedDataDetailIndex parameter specifies the index of the item in the array. The size of the array is controlled by the EncryptedDataDetailCount property.

This property is not available at design time.

Data Type

String

EncryptedDataDetailMIMEType Property (XMLEncrypt Class)

This property specifies the MIME type of the encrypted data.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetEncryptedDataDetailMIMEType(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailMIMEType(int iEncryptedDataDetailIndex, const char* lpszEncryptedDataDetailMIMEType);

Unicode (Windows)
LPWSTR GetEncryptedDataDetailMIMEType(INT iEncryptedDataDetailIndex);
INT SetEncryptedDataDetailMIMEType(INT iEncryptedDataDetailIndex, LPCWSTR lpszEncryptedDataDetailMIMEType);

char* ipworksencrypt_xmlencrypt_getencrypteddatadetailmimetype(void* lpObj, int encrypteddatadetailindex);
int ipworksencrypt_xmlencrypt_setencrypteddatadetailmimetype(void* lpObj, int encrypteddatadetailindex, const char* lpszEncryptedDataDetailMIMEType);

QString GetEncryptedDataDetailMIMEType(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailMIMEType(int iEncryptedDataDetailIndex, QString qsEncryptedDataDetailMIMEType);

Default Value

""

Remarks

This property specifies the MIME type of the encrypted data. For example: "image/png". This property is optional.

The EncryptedDataDetailIndex parameter specifies the index of the item in the array. The size of the array is controlled by the EncryptedDataDetailCount property.

This property is not available at design time.

Data Type

String

EncryptedDataDetailScope Property (XMLEncrypt Class)

This property specifies the scope of the encryption.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetEncryptedDataDetailScope(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailScope(int iEncryptedDataDetailIndex, int iEncryptedDataDetailScope);

Unicode (Windows)
INT GetEncryptedDataDetailScope(INT iEncryptedDataDetailIndex);
INT SetEncryptedDataDetailScope(INT iEncryptedDataDetailIndex, INT iEncryptedDataDetailScope);

S_ELEMENT(0), 
S_CONTENT(1)

int ipworksencrypt_xmlencrypt_getencrypteddatadetailscope(void* lpObj, int encrypteddatadetailindex);
int ipworksencrypt_xmlencrypt_setencrypteddatadetailscope(void* lpObj, int encrypteddatadetailindex, int iEncryptedDataDetailScope);

int GetEncryptedDataDetailScope(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailScope(int iEncryptedDataDetailIndex, int iEncryptedDataDetailScope);

Default Value

0

Remarks

This property specifies the scope of the encryption. When calling Encrypt the entire XML element specified by EncryptedDataDetailXMLElement may be encrypted, or only the content may be encrypted. This setting controls the scope of the encryption. Possible values are:

The EncryptedDataDetailIndex parameter specifies the index of the item in the array. The size of the array is controlled by the EncryptedDataDetailCount property.

This property is not available at design time.

Data Type

Integer

EncryptedDataDetailXMLElement Property (XMLEncrypt Class)

This property specifies the XPath to the element which will be encrypted.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetEncryptedDataDetailXMLElement(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailXMLElement(int iEncryptedDataDetailIndex, const char* lpszEncryptedDataDetailXMLElement);

Unicode (Windows)
LPWSTR GetEncryptedDataDetailXMLElement(INT iEncryptedDataDetailIndex);
INT SetEncryptedDataDetailXMLElement(INT iEncryptedDataDetailIndex, LPCWSTR lpszEncryptedDataDetailXMLElement);

char* ipworksencrypt_xmlencrypt_getencrypteddatadetailxmlelement(void* lpObj, int encrypteddatadetailindex);
int ipworksencrypt_xmlencrypt_setencrypteddatadetailxmlelement(void* lpObj, int encrypteddatadetailindex, const char* lpszEncryptedDataDetailXMLElement);

QString GetEncryptedDataDetailXMLElement(int iEncryptedDataDetailIndex);
int SetEncryptedDataDetailXMLElement(int iEncryptedDataDetailIndex, QString qsEncryptedDataDetailXMLElement);

Default Value

"/"

Remarks

This property specifies the XPath to the element which will be encrypted. For instance:

The EncryptedDataDetailIndex parameter specifies the index of the item in the array. The size of the array is controlled by the EncryptedDataDetailCount property.

This property is not available at design time.

Data Type

String

EncryptingAlgorithm Property (XMLEncrypt Class)

Then encryption algorithm used when encrypting.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetEncryptingAlgorithm();
int SetEncryptingAlgorithm(const char* lpszEncryptingAlgorithm);

Unicode (Windows)
LPWSTR GetEncryptingAlgorithm();
INT SetEncryptingAlgorithm(LPCWSTR lpszEncryptingAlgorithm);

char* ipworksencrypt_xmlencrypt_getencryptingalgorithm(void* lpObj);
int ipworksencrypt_xmlencrypt_setencryptingalgorithm(void* lpObj, const char* lpszEncryptingAlgorithm);

QString GetEncryptingAlgorithm();
int SetEncryptingAlgorithm(QString qsEncryptingAlgorithm);

Default Value

"3DES"

Remarks

This property specifies the encryption algorithm to use when encrypting. Possible values are:

• "3DES" (default)
• "DES"
• "AES128"
• "AES192"
• "AES256"

Data Type

String

InputFile Property (XMLEncrypt Class)

The XML file to process.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetInputFile();
int SetInputFile(const char* lpszInputFile);

Unicode (Windows)
LPWSTR GetInputFile();
INT SetInputFile(LPCWSTR lpszInputFile);

char* ipworksencrypt_xmlencrypt_getinputfile(void* lpObj);
int ipworksencrypt_xmlencrypt_setinputfile(void* lpObj, const char* lpszInputFile);

QString GetInputFile();
int SetInputFile(QString qsInputFile);

Default Value

""

Remarks

This property specifies the file to be processed. Set this property to the full or relative path to the file which will be processed.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

This property is not available at design time.

Data Type

String

InputXML Property (XMLEncrypt Class)

The XML to process.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetInputXML();
int SetInputXML(const char* lpszInputXML);

Unicode (Windows)
LPWSTR GetInputXML();
INT SetInputXML(LPCWSTR lpszInputXML);

char* ipworksencrypt_xmlencrypt_getinputxml(void* lpObj);
int ipworksencrypt_xmlencrypt_setinputxml(void* lpObj, const char* lpszInputXML);

QString GetInputXML();
int SetInputXML(QString qsInputXML);

Default Value

""

Remarks

This property specifies the XML to be processed.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

This property is not available at design time.

Data Type

String

OutputFile Property (XMLEncrypt Class)

The output file.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetOutputFile();
int SetOutputFile(const char* lpszOutputFile);

Unicode (Windows)
LPWSTR GetOutputFile();
INT SetOutputFile(LPCWSTR lpszOutputFile);

char* ipworksencrypt_xmlencrypt_getoutputfile(void* lpObj);
int ipworksencrypt_xmlencrypt_setoutputfile(void* lpObj, const char* lpszOutputFile);

QString GetOutputFile();
int SetOutputFile(QString qsOutputFile);

Default Value

""

Remarks

This property specifies the file to which the output will be written. This may be set to an absolute or relative path.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

This property is not available at design time.

Data Type

String

OutputXML Property (XMLEncrypt Class)

The output XML after processing.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetOutputXML();
int SetOutputXML(const char* lpszOutputXML);

Unicode (Windows)
LPWSTR GetOutputXML();
INT SetOutputXML(LPCWSTR lpszOutputXML);

char* ipworksencrypt_xmlencrypt_getoutputxml(void* lpObj);
int ipworksencrypt_xmlencrypt_setoutputxml(void* lpObj, const char* lpszOutputXML);

QString GetOutputXML();
int SetOutputXML(QString qsOutputXML);

Default Value

""

Remarks

This property will be populated with the output from the operation if OutputFile is not set.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

This property is not available at design time.

Data Type

String

Overwrite Property (XMLEncrypt Class)

Indicates whether or not the class should overwrite files.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetOverwrite();
int SetOverwrite(int bOverwrite);

Unicode (Windows)
BOOL GetOverwrite();
INT SetOverwrite(BOOL bOverwrite);

int ipworksencrypt_xmlencrypt_getoverwrite(void* lpObj);
int ipworksencrypt_xmlencrypt_setoverwrite(void* lpObj, int bOverwrite);

bool GetOverwrite();
int SetOverwrite(bool bOverwrite);

Default Value

FALSE

Remarks

This property indicates whether or not the class will overwrite OutputFile. If Overwrite is False, an error will be thrown whenever OutputFile exists before an operation. The default value is False.

Data Type

Boolean

RecipientCertEncoded Property (XMLEncrypt Class)

This is the certificate (PEM/Base64 encoded).

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetRecipientCertEncoded(char* &lpRecipientCertEncoded, int &lenRecipientCertEncoded);
int SetRecipientCertEncoded(const char* lpRecipientCertEncoded, int lenRecipientCertEncoded);

Unicode (Windows)
INT GetRecipientCertEncoded(LPSTR &lpRecipientCertEncoded, INT &lenRecipientCertEncoded);
INT SetRecipientCertEncoded(LPCSTR lpRecipientCertEncoded, INT lenRecipientCertEncoded);

int ipworksencrypt_xmlencrypt_getrecipientcertencoded(void* lpObj, char** lpRecipientCertEncoded, int* lenRecipientCertEncoded);
int ipworksencrypt_xmlencrypt_setrecipientcertencoded(void* lpObj, const char* lpRecipientCertEncoded, int lenRecipientCertEncoded);

QByteArray GetRecipientCertEncoded();
int SetRecipientCertEncoded(QByteArray qbaRecipientCertEncoded);

Default Value

""

Remarks

This is the certificate (PEM/Base64 encoded). This property is used to assign a specific certificate. The RecipientCertStore and RecipientCertSubject properties also may be used to specify a certificate.

When RecipientCertEncoded is set, a search is initiated in the current RecipientCertStore for the private key of the certificate. If the key is found, RecipientCertSubject is updated to reflect the full subject of the selected certificate; otherwise, RecipientCertSubject is set to an empty string.

This property is not available at design time.

Data Type

Binary String

RecipientCertStore Property (XMLEncrypt Class)

This is the name of the certificate store for the client certificate.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetRecipientCertStore(char* &lpRecipientCertStore, int &lenRecipientCertStore);
int SetRecipientCertStore(const char* lpRecipientCertStore, int lenRecipientCertStore);

Unicode (Windows)
INT GetRecipientCertStore(LPSTR &lpRecipientCertStore, INT &lenRecipientCertStore);
INT SetRecipientCertStore(LPCSTR lpRecipientCertStore, INT lenRecipientCertStore);

int ipworksencrypt_xmlencrypt_getrecipientcertstore(void* lpObj, char** lpRecipientCertStore, int* lenRecipientCertStore);
int ipworksencrypt_xmlencrypt_setrecipientcertstore(void* lpObj, const char* lpRecipientCertStore, int lenRecipientCertStore);

QByteArray GetRecipientCertStore();
int SetRecipientCertStore(QByteArray qbaRecipientCertStore);

Default Value

"MY"

Remarks

This is the name of the certificate store for the client certificate.

The RecipientCertStoreType property denotes the type of the certificate store specified by RecipientCertStore. If the store is password protected, specify the password in RecipientCertStorePassword.

RecipientCertStore is used in conjunction with the RecipientCertSubject property to specify client certificates. If RecipientCertStore has a value, and RecipientCertSubject or RecipientCertEncoded is set, a search for a certificate is initiated. Please see the RecipientCertSubject property for details.

Designations of certificate stores are platform dependent.

The following designations are the most common User and Machine certificate stores in Windows:

When the certificate store type is PFXFile, this property must be set to the name of the file. When the type is PFXBlob, the property must be set to the binary contents of a PFX file (i.e., PKCS#12 certificate store).

Data Type

Binary String

RecipientCertStorePassword Property (XMLEncrypt Class)

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetRecipientCertStorePassword();
int SetRecipientCertStorePassword(const char* lpszRecipientCertStorePassword);

Unicode (Windows)
LPWSTR GetRecipientCertStorePassword();
INT SetRecipientCertStorePassword(LPCWSTR lpszRecipientCertStorePassword);

char* ipworksencrypt_xmlencrypt_getrecipientcertstorepassword(void* lpObj);
int ipworksencrypt_xmlencrypt_setrecipientcertstorepassword(void* lpObj, const char* lpszRecipientCertStorePassword);

QString GetRecipientCertStorePassword();
int SetRecipientCertStorePassword(QString qsRecipientCertStorePassword);

Default Value

""

Remarks

If the type of certificate store requires a password, this property is used to specify the password needed to open the certificate store.

Data Type

String

RecipientCertStoreType Property (XMLEncrypt Class)

This is the type of certificate store for this certificate.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetRecipientCertStoreType();
int SetRecipientCertStoreType(int iRecipientCertStoreType);

Unicode (Windows)
INT GetRecipientCertStoreType();
INT SetRecipientCertStoreType(INT iRecipientCertStoreType);

CST_USER(0), 
CST_MACHINE(1), 
CST_PFXFILE(2), 
CST_PFXBLOB(3), 
CST_JKSFILE(4), 
CST_JKSBLOB(5), 
CST_PEMKEY_FILE(6), 
CST_PEMKEY_BLOB(7), 
CST_PUBLIC_KEY_FILE(8), 
CST_PUBLIC_KEY_BLOB(9), 
CST_SSHPUBLIC_KEY_BLOB(10), 
CST_P7BFILE(11), 
CST_P7BBLOB(12), 
CST_SSHPUBLIC_KEY_FILE(13), 
CST_PPKFILE(14), 
CST_PPKBLOB(15), 
CST_XMLFILE(16), 
CST_XMLBLOB(17), 
CST_JWKFILE(18), 
CST_JWKBLOB(19), 
CST_SECURITY_KEY(20), 
CST_BCFKSFILE(21), 
CST_BCFKSBLOB(22), 
CST_PKCS11(23), 
CST_AUTO(99)

int ipworksencrypt_xmlencrypt_getrecipientcertstoretype(void* lpObj);
int ipworksencrypt_xmlencrypt_setrecipientcertstoretype(void* lpObj, int iRecipientCertStoreType);

int GetRecipientCertStoreType();
int SetRecipientCertStoreType(int iRecipientCertStoreType);

Default Value

0

Remarks

This is the type of certificate store for this certificate.

The class supports both public and private keys in a variety of formats. When the cstAuto value is used, the class will automatically determine the type. This property can take one of the following values:

Data Type

Integer

RecipientCertSubject Property (XMLEncrypt Class)

This is the subject of the certificate used for client authentication.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* GetRecipientCertSubject();
int SetRecipientCertSubject(const char* lpszRecipientCertSubject);

Unicode (Windows)
LPWSTR GetRecipientCertSubject();
INT SetRecipientCertSubject(LPCWSTR lpszRecipientCertSubject);

char* ipworksencrypt_xmlencrypt_getrecipientcertsubject(void* lpObj);
int ipworksencrypt_xmlencrypt_setrecipientcertsubject(void* lpObj, const char* lpszRecipientCertSubject);

QString GetRecipientCertSubject();
int SetRecipientCertSubject(QString qsRecipientCertSubject);

Default Value

""

Remarks

This is the subject of the certificate used for client authentication.

This property must be set after all other certificate properties are set. When this property is set, a search is performed in the current certificate store to locate a certificate with a matching subject.

If a matching certificate is found, the property is set to the full subject of the matching certificate.

If an exact match is not found, the store is searched for subjects containing the value of the property.

If a match is still not found, the property is set to an empty string, and no certificate is selected.

The special value "*" picks a random certificate in the certificate store.

The certificate subject is a comma-separated list of distinguished name fields and values. For instance, "CN=www.server.com, OU=test, C=US, E=support@nsoftware.com". Common fields and their meanings are as follows:

If a field value contains a comma, it must be quoted.

Data Type

String

SymmetricKey Property (XMLEncrypt Class)

The symmetric key used to encrypt and decrypt the XML.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetSymmetricKey(char* &lpSymmetricKey, int &lenSymmetricKey);
int SetSymmetricKey(const char* lpSymmetricKey, int lenSymmetricKey);

Unicode (Windows)
INT GetSymmetricKey(LPSTR &lpSymmetricKey, INT &lenSymmetricKey);
INT SetSymmetricKey(LPCSTR lpSymmetricKey, INT lenSymmetricKey);

int ipworksencrypt_xmlencrypt_getsymmetrickey(void* lpObj, char** lpSymmetricKey, int* lenSymmetricKey);
int ipworksencrypt_xmlencrypt_setsymmetrickey(void* lpObj, const char* lpSymmetricKey, int lenSymmetricKey);

QByteArray GetSymmetricKey();
int SetSymmetricKey(QByteArray qbaSymmetricKey);

Default Value

""

Remarks

This property specifies the symmetric key used to encrypt and decrypt the XML.

Encrypt Notes

When calling Encrypt if the RecipientCert* properties are set, then the SymmetricKey will be encrypted and included in the XML as an encrypted key. Using asymmetric encryption to encrypt the SymmetricKey allows for secure transmission of the key. This is also referred to as using a session key, as no prior knowledge of the SymmetricKey is required by the recipient.

If the RecipientCert* properties are set and SymmetricKey is left empty, then a SymmetricKey value will automatically be generated by the class when Encrypt is called.

When calling Encrypt if the RecipientCert* properties are are not set, then the SymmetricKey value must be known by the recipient before the message can be decrypted.

Decrypt Notes

When calling Decrypt if the data contains an encrypted key the class will attempt to use the certificate specified by the Cert* properties to decrypt the encrypted key and this property is ignored.

When calling Decrypt if the data does not contain an encrypted key then SymmetricKey must be set either before calling Decrypt, or within the EncryptedDataInfo event.

Legal Key and Block Sizes (in bits)

This property is not available at design time.

Data Type

Binary String

UseOAEP Property (XMLEncrypt Class)

Whether to use Optimal Asymmetric Encryption Padding (OAEP).

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int GetUseOAEP();
int SetUseOAEP(int bUseOAEP);

Unicode (Windows)
BOOL GetUseOAEP();
INT SetUseOAEP(BOOL bUseOAEP);

int ipworksencrypt_xmlencrypt_getuseoaep(void* lpObj);
int ipworksencrypt_xmlencrypt_setuseoaep(void* lpObj, int bUseOAEP);

bool GetUseOAEP();
int SetUseOAEP(bool bUseOAEP);

Default Value

FALSE

Remarks

This setting specifies whether to use Optimal Asymmetric Encryption Padding (OAEP) when encrypting the SymmetricKey with the certificate specified by RecipientCert. It is only applicable when calling Encrypt and RecipientCert is specified.

By default this value is False and the class will use PKCS1.

Data Type

Boolean

Config Method (XMLEncrypt Class)

Sets or retrieves a configuration setting.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
char* Config(const char* lpszConfigurationString);

Unicode (Windows)
LPWSTR Config(LPCWSTR lpszConfigurationString);

char* ipworksencrypt_xmlencrypt_config(void* lpObj, const char* lpszConfigurationString);

QString Config(const QString& qsConfigurationString);

Remarks

Config is a generic method available in every class. It is used to set and retrieve configuration settings for the class.

These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the class, access to these internal properties is provided through the Config method.

To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).

To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.

Error Handling (C++)

This method returns a String value; after it returns, call the GetLastErrorCode() method to obtain its result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message.

Decrypt Method (XMLEncrypt Class)

Decrypts the XML.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int Decrypt();

Unicode (Windows)
INT Decrypt();

int ipworksencrypt_xmlencrypt_decrypt(void* lpObj);

int Decrypt();

Remarks

This method decrypts the specified XML.

To begin first specify a XML document by setting InputFile, or InputXML.

The SymmetricKey property specifies the key used to decrypt the data. This may be set before calling Decrypt or inside the EncryptedDataInfo event. The EncryptedDataInfo event fires once for each encrypted element when Decrypt is called.

If the data was encrypted using an session key, set the Cert* properties to the certificate with private key before calling Decrypt. The certificate will be used to decrypt the encrypted session key. In this case the SymmetricKey property is ignored.

The following properties are applicable when calling this method:

• SymmetricKey
• Certificate

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

DoEvents Method (XMLEncrypt Class)

Processes events from the internal message queue.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int DoEvents();

Unicode (Windows)
INT DoEvents();

int ipworksencrypt_xmlencrypt_doevents(void* lpObj);

int DoEvents();

Remarks

When DoEvents is called, the class processes any available events. If no events are available, it waits for a preset period of time, and then returns.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

Encrypt Method (XMLEncrypt Class)

Encrypts the XML.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int Encrypt();

Unicode (Windows)
INT Encrypt();

int ipworksencrypt_xmlencrypt_encrypt(void* lpObj);

int Encrypt();

Remarks

This method encrypts the specified XML.

To begin first specify a XML document by setting InputFile, or InputXML.

The EncryptedDataDetail* properties specify the XML element to encrypt. By default the entire XML document is encrypted.

The SymmetricKey property specifies the key which will be used to encrypt the data.

If the RecipientCert* properties are set, then the SymmetricKey will be encrypted and included in the encrypted data. This allows for the recipient to decrypt the key, with their certificate. Encrypting the symmetric key is also referred to as using a session key. The benefit of using certificate to encrypt and decrypt a session key (SymmetricKey) is that knowledge of the key value is not needed ahead of time to process the encrypted data. Note that if specified, RecipientCert MUST have a RSA key, not a DSA key.

If the RecipientCert* properties are not set, then the recipient must know the value of SymmetricKey before decrypting the XML. The KeyName setting may be set to provide a key identifier to the recipient.

Optionally set EncryptingAlgorithm, and then call Encrypt to encrypt the XML.

The following properties are applicable when calling this method:

• SymmetricKey (required)
• EncryptingAlgorithm
• EncryptedDataDetail*
• RecipientCert*
• KeyName

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

Reset Method (XMLEncrypt Class)

Resets the class.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int Reset();

Unicode (Windows)
INT Reset();

int ipworksencrypt_xmlencrypt_reset(void* lpObj);

int Reset();

Remarks

When called, the component will reset all of its properties to their default values.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

SetInputStream Method (XMLEncrypt Class)

Sets the stream from which the class will read data to encrypt or decrypt.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int SetInputStream(IPWorksEncryptStream* sInputStream);

Unicode (Windows)
INT SetInputStream(IPWorksEncryptStream* sInputStream);

int ipworksencrypt_xmlencrypt_setinputstream(void* lpObj, IPWorksEncryptStream* sInputStream);

int SetInputStream(IPWorksEncryptStream* sInputStream);

Remarks

This method sets the stream from which the class will read data to encrypt or decrypt. If an input stream is set before calling Encrypt or Decrypt, the data is read from the input stream instead of from the InputFile or InputXML properties.

The content of the stream will be read from the current position all the way to the end and no bytes will be skipped.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

SetOutputStream Method (XMLEncrypt Class)

The stream to which the class will write the encrypted or decrypted XML.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
int SetOutputStream(IPWorksEncryptStream* sOutputStream);

Unicode (Windows)
INT SetOutputStream(IPWorksEncryptStream* sOutputStream);

int ipworksencrypt_xmlencrypt_setoutputstream(void* lpObj, IPWorksEncryptStream* sOutputStream);

int SetOutputStream(IPWorksEncryptStream* sOutputStream);

Remarks

This method sets the stream to which the class will write the encrypted or decrypted XML. If an output stream is set before calling Encrypt or Decrypt, the class will write the data to the output stream instead of populating OutputXML or writing to OutputFile.

Input and Output Properties

The class will determine the source and destination of the input and output based on which properties are set.

The order in which the input properties are checked is as follows:

• InputFile
• InputXML

• OutputFile
• OutputXML: The output data is written to this property if no other destination is specified.

Error Handling (C++)

This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)

EncryptedDataInfo Event (XMLEncrypt Class)

Fired once for each encrypted element when Decrypt is called.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
virtual int FireEncryptedDataInfo(XMLEncryptEncryptedDataInfoEventParams *e);

typedef struct {
  const char *EncryptedDataId;
  int Scope;
  const char *MIMEType;
  int reserved;
} XMLEncryptEncryptedDataInfoEventParams;


Unicode (Windows)
virtual INT FireEncryptedDataInfo(XMLEncryptEncryptedDataInfoEventParams *e);

typedef struct {
  LPCWSTR EncryptedDataId;
  INT Scope;
  LPCWSTR MIMEType;
  INT reserved;
} XMLEncryptEncryptedDataInfoEventParams;

#define EID_XMLENCRYPT_ENCRYPTEDDATAINFO 1

virtual INT IPWORKSENCRYPT_CALL FireEncryptedDataInfo(LPSTR &lpszEncryptedDataId, INT &iScope, LPSTR &lpszMIMEType);

class XMLEncryptEncryptedDataInfoEventParams {
public:
  const QString &EncryptedDataId();

  int Scope();

  const QString &MIMEType();

  int EventRetVal();
  void SetEventRetVal(int iRetVal);
};

// To handle, connect one or more slots to this signal.
void EncryptedDataInfo(XMLEncryptEncryptedDataInfoEventParams *e);

// Or, subclass XMLEncrypt and override this emitter function.
virtual int FireEncryptedDataInfo(XMLEncryptEncryptedDataInfoEventParams *e) {...}

Remarks

This event fires once for each encrypted element in the XML document when Decrypt is called. The parameters of this event provide information about the encrypted data. Additionally, the KeyName setting may be queried to identify the encryption key. SymmetricKey may be set from within this event.

EncryptedDataId is the Id of the encrypted data (if any).

Scope indicates the scope of the encrypted data. This defines whether the entire XML element was encrypted, or only the content. Possible values are:

MIMEType holds the MIME type of the encrypted data (if any). For example: "image/png".

Error Event (XMLEncrypt Class)

Fired when information is available about errors during data delivery.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
virtual int FireError(XMLEncryptErrorEventParams *e);

typedef struct {
  int ErrorCode;
  const char *Description;
  int reserved;
} XMLEncryptErrorEventParams;


Unicode (Windows)
virtual INT FireError(XMLEncryptErrorEventParams *e);

typedef struct {
  INT ErrorCode;
  LPCWSTR Description;
  INT reserved;
} XMLEncryptErrorEventParams;

#define EID_XMLENCRYPT_ERROR 2

virtual INT IPWORKSENCRYPT_CALL FireError(INT &iErrorCode, LPSTR &lpszDescription);

class XMLEncryptErrorEventParams {
public:
  int ErrorCode();

  const QString &Description();

  int EventRetVal();
  void SetEventRetVal(int iRetVal);
};

// To handle, connect one or more slots to this signal.
void Error(XMLEncryptErrorEventParams *e);

// Or, subclass XMLEncrypt and override this emitter function.
virtual int FireError(XMLEncryptErrorEventParams *e) {...}

Remarks

The Error event is fired in case of exceptional conditions during message processing. Normally the class fails with an error.

The ErrorCode parameter contains an error code, and the Description parameter contains a textual description of the error. For a list of valid error codes and their descriptions, please refer to the Error Codes section.

Progress Event (XMLEncrypt Class)

Fired as progress is made.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
virtual int FireProgress(XMLEncryptProgressEventParams *e);

typedef struct {
  int64 BytesProcessed;
  int PercentProcessed;
  int Operation;
  int IsEOF;
  int reserved;
} XMLEncryptProgressEventParams;


Unicode (Windows)
virtual INT FireProgress(XMLEncryptProgressEventParams *e);

typedef struct {
  LONG64 BytesProcessed;
  INT PercentProcessed;
  INT Operation;
  BOOL IsEOF;
  INT reserved;
} XMLEncryptProgressEventParams;

#define EID_XMLENCRYPT_PROGRESS 3

virtual INT IPWORKSENCRYPT_CALL FireProgress(LONG64 &lBytesProcessed, INT &iPercentProcessed, INT &iOperation, BOOL &bIsEOF);

class XMLEncryptProgressEventParams {
public:
  qint64 BytesProcessed();

  int PercentProcessed();

  int Operation();

  bool IsEOF();
  void SetIsEOF(bool bIsEOF);

  int EventRetVal();
  void SetEventRetVal(int iRetVal);
};

// To handle, connect one or more slots to this signal.
void Progress(XMLEncryptProgressEventParams *e);

// Or, subclass XMLEncrypt and override this emitter function.
virtual int FireProgress(XMLEncryptProgressEventParams *e) {...}

Remarks

This event is fired automatically as data is processed by the class.

The PercentProcessed parameter indicates the current status of the operation.

The BytesProcessed parameter holds the total number of bytes processed so far.

The Operation parameter is only applicable when either ReadFromProgressEvent or WriteToProgressEvent is set to True. This parameter defines whether a Read or Write operation is required. If the configuration settings are not set this parameter will always return 0. Possible values are:

The IsEOF parameter is only applicable when either ReadFromProgressEvent or WriteToProgressEvent is set to True. This parameter defines whether the Read or Write operation is complete. When the Operation is Read (1) this parameter must be set to indicate that all data has been supplied to the class. When the Operation is Write (2) this value may be queried to determine when all data has been processed.

Status Event (XMLEncrypt Class)

Provides information about the current operation.

Syntax

• C++
• C
• Qt

ANSI (Cross Platform)
virtual int FireStatus(XMLEncryptStatusEventParams *e);

typedef struct {
  const char *Message;
  int reserved;
} XMLEncryptStatusEventParams;


Unicode (Windows)
virtual INT FireStatus(XMLEncryptStatusEventParams *e);

typedef struct {
  LPCWSTR Message;
  INT reserved;
} XMLEncryptStatusEventParams;

#define EID_XMLENCRYPT_STATUS 4

virtual INT IPWORKSENCRYPT_CALL FireStatus(LPSTR &lpszMessage);

class XMLEncryptStatusEventParams {
public:
  const QString &Message();

  int EventRetVal();
  void SetEventRetVal(int iRetVal);
};

// To handle, connect one or more slots to this signal.
void Status(XMLEncryptStatusEventParams *e);

// Or, subclass XMLEncrypt and override this emitter function.
virtual int FireStatus(XMLEncryptStatusEventParams *e) {...}

Remarks

The event is fired for informational and logging purposes only. It may be used to track the progress of an operation.

The level of detail is controlled by the LogLevel setting.

IPWorksEncryptStream Type

Syntax

IPWorksEncryptStream (declared in ipworksencrypt.h)

Remarks

The XMLEncrypt class includes one or more API members that take a stream object as a parameter. To use such API members, create a concrete class that implements the IPWorksEncryptStream interface and pass the XMLEncrypt class an instance of that concrete class.

When implementing the IPWorksEncryptStream interface's properties and methods, they must behave as described below. If the concrete class's implementation does not behave as expected, undefined behavior may occur.

bool CanRead() { return true; }

bool CanSeek() { return true; }

bool CanWrite() { return true; }

int64 GetLength() = 0;

void Close() {}

int Flush() { return 0; }

int Read(void* buffer, int count) = 0;

int64 Seek(int64 offset, int seekOrigin) = 0;

int Write(const void* buffer, int count) = 0;

Config Settings (XMLEncrypt Class)

XMLEnc Config Settings

Base Config Settings

Trappable Errors (XMLEncrypt Class)

Error Handling (C++)

Call the GetLastErrorCode() method to obtain the last called method's result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. Known error codes are listed below. If an error occurs, the GetLastError() method can be called to retrieve the associated error message.

XMLEnc Errors

XML Errors