keysdata

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# keysdata ## Name keysdata -- ## Synopsis
    typedef     xmlSecKeyDataUsage;
    #define     xmlSecKeyDataUsageUnknown
    #define     xmlSecKeyDataUsageKeyInfoNodeRead
    #define     xmlSecKeyDataUsageKeyInfoNodeWrite
    #define     xmlSecKeyDataUsageKeyValueNodeRead
    #define     xmlSecKeyDataUsageKeyValueNodeWrite
    #define     xmlSecKeyDataUsageRetrievalMethodNodeXml
    #define     xmlSecKeyDataUsageRetrievalMethodNodeBin
    #define     xmlSecKeyDataUsageAny
    #define     xmlSecKeyDataUsageKeyInfoNode
    #define     xmlSecKeyDataUsageKeyValueNode
    #define     xmlSecKeyDataUsageRetrievalMethodNode
    typedef     xmlSecKeyDataType;
    #define     xmlSecKeyDataTypeUnknown
    #define     xmlSecKeyDataTypeNone
    #define     xmlSecKeyDataTypePublic
    #define     xmlSecKeyDataTypePrivate
    #define     xmlSecKeyDataTypeSymmetric
    #define     xmlSecKeyDataTypeSession
    #define     xmlSecKeyDataTypePermanent
    #define     xmlSecKeyDataTypeTrusted
    #define     xmlSecKeyDataTypeAny
    enum        xmlSecKeyDataFormat;
    xmlSecPtrListPtr xmlSecKeyDataIdsGet        (void);
    int         xmlSecKeyDataIdsInit            (void);
    void        xmlSecKeyDataIdsShutdown        (void);
    int         xmlSecKeyDataIdsRegisterDefault (void);
    int         xmlSecKeyDataIdsRegister        (xmlSecKeyDataId id);
    struct      xmlSecKeyData;
    xmlSecKeyDataPtr xmlSecKeyDataCreate        (xmlSecKeyDataId id);
    xmlSecKeyDataPtr xmlSecKeyDataDuplicate     (xmlSecKeyDataPtr data);
    void        xmlSecKeyDataDestroy            (xmlSecKeyDataPtr data);
    int         xmlSecKeyDataGenerate           (xmlSecKeyDataPtr data,
                                                 xmlSecSize sizeBits,
                                                 xmlSecKeyDataType type);
    xmlSecKeyDataType xmlSecKeyDataGetType      (xmlSecKeyDataPtr data);
    xmlSecSize  xmlSecKeyDataGetSize            (xmlSecKeyDataPtr data);
    const xmlChar* xmlSecKeyDataGetIdentifier   (xmlSecKeyDataPtr data);
    void        xmlSecKeyDataDebugDump          (xmlSecKeyDataPtr data,
                                                 FILE *output);
    void        xmlSecKeyDataDebugXmlDump       (xmlSecKeyDataPtr data,
                                                 FILE *output);
    int         xmlSecKeyDataXmlRead            (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataXmlWrite           (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataBinRead            (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataBinWrite           (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    #define     xmlSecKeyDataGetName            (data)
    #define     xmlSecKeyDataIsValid            (data)
    #define     xmlSecKeyDataCheckId            (data, dataId)
    #define     xmlSecKeyDataCheckUsage         (data, usg)
    #define     xmlSecKeyDataCheckSize          (data, size)
    #define     xmlSecKeyDataIdUnknown
    int         (*xmlSecKeyDataInitMethod)      (xmlSecKeyDataPtr data);
    int         (*xmlSecKeyDataDuplicateMethod) (xmlSecKeyDataPtr dst,
                                                 xmlSecKeyDataPtr src);
    void        (*xmlSecKeyDataFinalizeMethod)  (xmlSecKeyDataPtr data);
    int         (*xmlSecKeyDataXmlReadMethod)   (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         (*xmlSecKeyDataXmlWriteMethod)  (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         (*xmlSecKeyDataBinReadMethod)   (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         (*xmlSecKeyDataBinWriteMethod)  (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         (*xmlSecKeyDataGenerateMethod)  (xmlSecKeyDataPtr data,
                                                 xmlSecSize sizeBits,
                                                 xmlSecKeyDataType type);
    xmlSecKeyDataType (*xmlSecKeyDataGetTypeMethod)
                                                (xmlSecKeyDataPtr data);
    xmlSecSize  (*xmlSecKeyDataGetSizeMethod)   (xmlSecKeyDataPtr data);
    const xmlChar* (*xmlSecKeyDataGetIdentifierMethod)
                                                (xmlSecKeyDataPtr data);
    void        (*xmlSecKeyDataDebugDumpMethod) (xmlSecKeyDataPtr data,
                                                 FILE *output);
    struct      xmlSecKeyDataKlass;
    #define     xmlSecKeyDataKlassGetName       (klass)
    #define     xmlSecKeyDataListId
    xmlSecPtrListId xmlSecKeyDataListGetKlass   (void);
    #define     xmlSecKeyDataIdListId
    xmlSecPtrListId xmlSecKeyDataIdListGetKlass (void);
    int         xmlSecKeyDataIdListFind         (xmlSecPtrListPtr list,
                                                 xmlSecKeyDataId dataId);
    xmlSecKeyDataId xmlSecKeyDataIdListFindByNode
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *nodeName,
                                                 const xmlChar *nodeNs,
                                                 xmlSecKeyDataUsage usage);
    xmlSecKeyDataId xmlSecKeyDataIdListFindByHref
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *href,
                                                 xmlSecKeyDataUsage usage);
    xmlSecKeyDataId xmlSecKeyDataIdListFindByName
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *name,
                                                 xmlSecKeyDataUsage usage);
    void        xmlSecKeyDataIdListDebugDump    (xmlSecPtrListPtr list,
                                                 FILE *output);
    void        xmlSecKeyDataIdListDebugXmlDump (xmlSecPtrListPtr list,
                                                 FILE *output);
    #define     xmlSecKeyDataBinarySize
    int         xmlSecKeyDataBinaryValueInitialize
                                                (xmlSecKeyDataPtr data);
    int         xmlSecKeyDataBinaryValueDuplicate
                                                (xmlSecKeyDataPtr dst,
                                                 xmlSecKeyDataPtr src);
    void        xmlSecKeyDataBinaryValueFinalize
                                                (xmlSecKeyDataPtr data);
    int         xmlSecKeyDataBinaryValueXmlRead (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataBinaryValueXmlWrite
                                                (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataBinaryValueBinRead (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    int         xmlSecKeyDataBinaryValueBinWrite
                                                (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
    void        xmlSecKeyDataBinaryValueDebugDump
                                                (xmlSecKeyDataPtr data,
                                                 FILE *output);
    void        xmlSecKeyDataBinaryValueDebugXmlDump
                                                (xmlSecKeyDataPtr data,
                                                 FILE *output);
    xmlSecSize  xmlSecKeyDataBinaryValueGetSize (xmlSecKeyDataPtr data);
    xmlSecBufferPtr xmlSecKeyDataBinaryValueGetBuffer
                                                (xmlSecKeyDataPtr data);
    int         xmlSecKeyDataBinaryValueSetBuffer
                                                (xmlSecKeyDataPtr data,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize);
    struct      xmlSecKeyDataStore;
    xmlSecKeyDataStorePtr xmlSecKeyDataStoreCreate
                                                (xmlSecKeyDataStoreId id);
    void        xmlSecKeyDataStoreDestroy       (xmlSecKeyDataStorePtr store);
    #define     xmlSecKeyDataStoreGetName       (store)
    #define     xmlSecKeyDataStoreIsValid       (store)
    #define     xmlSecKeyDataStoreCheckId       (store, storeId)
    #define     xmlSecKeyDataStoreCheckSize     (store, size)
    #define     xmlSecKeyDataStoreIdUnknown
    int         (*xmlSecKeyDataStoreInitializeMethod)
                                                (xmlSecKeyDataStorePtr store);
    void        (*xmlSecKeyDataStoreFinalizeMethod)
                                                (xmlSecKeyDataStorePtr store);
    struct      xmlSecKeyDataStoreKlass;
    #define     xmlSecKeyDataStoreKlassGetName  (klass)
    #define     xmlSecKeyDataStorePtrListId
    xmlSecPtrListId xmlSecKeyDataStorePtrListGetKlass
                                                (void);
## Description ## Details ### xmlSecKeyDataUsage
    typedef unsigned int					xmlSecKeyDataUsage;
The bits mask that determines possible keys data usage. ### xmlSecKeyDataUsageUnknown
    #define xmlSecKeyDataUsageUnknown			0x00000
The key data usage is unknown. ### xmlSecKeyDataUsageKeyInfoNodeRead
    #define xmlSecKeyDataUsageKeyInfoNodeRead		0x00001
The key data could be read from a <dsig:KeyInfo/> child. ### xmlSecKeyDataUsageKeyInfoNodeWrite
    #define xmlSecKeyDataUsageKeyInfoNodeWrite		0x00002
The key data could be written to a <dsig:KeyInfo /> child. ### xmlSecKeyDataUsageKeyValueNodeRead
    #define xmlSecKeyDataUsageKeyValueNodeRead		0x00004
The key data could be read from a <dsig:KeyValue /> child. ### xmlSecKeyDataUsageKeyValueNodeWrite
    #define xmlSecKeyDataUsageKeyValueNodeWrite		0x00008
The key data could be written to a <dsig:KeyValue /> child. ### xmlSecKeyDataUsageRetrievalMethodNodeXml
    #define xmlSecKeyDataUsageRetrievalMethodNodeXml	0x00010
The key data could be retrieved using <dsig:RetrievalMethod /> node in XML format. ### xmlSecKeyDataUsageRetrievalMethodNodeBin
    #define xmlSecKeyDataUsageRetrievalMethodNodeBin	0x00020
The key data could be retrieved using <dsig:RetrievalMethod /> node in binary format. ### xmlSecKeyDataUsageAny
    #define xmlSecKeyDataUsageAny				0xFFFFF
Any key data usage. ### xmlSecKeyDataUsageKeyInfoNode
    #define     xmlSecKeyDataUsageKeyInfoNode
The key data could be read and written from/to a <dsig:KeyInfo /> child. ### xmlSecKeyDataUsageKeyValueNode
    #define     xmlSecKeyDataUsageKeyValueNode
The key data could be read and written from/to a <dsig:KeyValue /> child. ### xmlSecKeyDataUsageRetrievalMethodNode
    #define     xmlSecKeyDataUsageRetrievalMethodNode
The key data could be retrieved using <dsig:RetrievalMethod /> node in any format. ### xmlSecKeyDataType
    typedef unsigned int				xmlSecKeyDataType;
The key data type (public/private, session/permanet, etc.). ### xmlSecKeyDataTypeUnknown
    #define xmlSecKeyDataTypeUnknown			0x0000
The key data type is unknown (same as xmlSecKeyDataTypeNone). ### xmlSecKeyDataTypeNone
    #define xmlSecKeyDataTypeNone				xmlSecKeyDataTypeUnknown
The key data type is unknown (same as xmlSecKeyDataTypeUnknown). ### xmlSecKeyDataTypePublic
    #define xmlSecKeyDataTypePublic				0x0001
The key data contain a public key. ### xmlSecKeyDataTypePrivate
    #define xmlSecKeyDataTypePrivate			0x0002
The key data contain a private key. ### xmlSecKeyDataTypeSymmetric
    #define xmlSecKeyDataTypeSymmetric			0x0004
The key data contain a symmetric key. ### xmlSecKeyDataTypeSession
    #define xmlSecKeyDataTypeSession			0x0008
The key data contain session key (one time key, not stored in keys manager). ### xmlSecKeyDataTypePermanent
    #define xmlSecKeyDataTypePermanent			0x0010
The key data contain permanent key (stored in keys manager). ### xmlSecKeyDataTypeTrusted
    #define xmlSecKeyDataTypeTrusted			0x0100
The key data is trusted. ### xmlSecKeyDataTypeAny
    #define xmlSecKeyDataTypeAny				0xFFFF
Any key data. ### enum xmlSecKeyDataFormat
    typedef enum {
        xmlSecKeyDataFormatUnknown = 0,
        xmlSecKeyDataFormatBinary,
        xmlSecKeyDataFormatPem,
        xmlSecKeyDataFormatDer,
        xmlSecKeyDataFormatPkcs8Pem,
        xmlSecKeyDataFormatPkcs8Der,
        xmlSecKeyDataFormatPkcs12,
        xmlSecKeyDataFormatCertPem,
        xmlSecKeyDataFormatCertDer
    } xmlSecKeyDataFormat;
The key data format (binary, der, pem, etc.).
xmlSecKeyDataFormatUnknown | the key data format is unknown.
xmlSecKeyDataFormatBinary | the binary key data.
xmlSecKeyDataFormatPem | the PEM key data (cert or public/private key).
xmlSecKeyDataFormatDer | the DER key data (cert or public/private key).
xmlSecKeyDataFormatPkcs8Pem | the PKCS8 PEM private key.
xmlSecKeyDataFormatPkcs8Der | the PKCS8 DER private key.
xmlSecKeyDataFormatPkcs12 | the PKCS12 format (bag of keys and certs)
xmlSecKeyDataFormatCertPem | the PEM cert.
xmlSecKeyDataFormatCertDer | the DER cert.
### xmlSecKeyDataIdsGet ()
    xmlSecPtrListPtr xmlSecKeyDataIdsGet        (void);
Gets global registered key data klasses list.
Returns : | the pointer to list of all registered key data klasses.
### xmlSecKeyDataIdsInit ()
    int         xmlSecKeyDataIdsInit            (void);
Initializes the key data klasses. This function is called from the xmlSecInit function and the application should not call it directly.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataIdsShutdown ()
    void        xmlSecKeyDataIdsShutdown        (void);
Shuts down the keys data klasses. This function is called from the xmlSecShutdown function and the application should not call it directly. ### xmlSecKeyDataIdsRegisterDefault ()
    int         xmlSecKeyDataIdsRegisterDefault (void);
Registers default (implemented by XML Security Library) key data klasses: <dsig:KeyName/> element processing klass, <dsig:KeyValue/> element processing klass, ...
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataIdsRegister ()
    int         xmlSecKeyDataIdsRegister        (xmlSecKeyDataId id);
Registers id in the global list of key data klasses.
id : | the key data klass.
Returns : | 0 on success or a negative value if an error occurs.
### struct xmlSecKeyData
    struct xmlSecKeyData {

        xmlSecKeyDataId			id;
        void*				reserved0;
        void*				reserved1;
    };
The key data: key value (crypto material), x509 data, pgp data, etc.
xmlSecKeyDataId `id` | the data id (xmlSecKeyDataId).
void *`reserved0` | reserved for the future.
void *`reserved1` | reserved for the future.
### xmlSecKeyDataCreate ()
    xmlSecKeyDataPtr xmlSecKeyDataCreate        (xmlSecKeyDataId id);
Allocates and initializes new key data of the specified type id. Caller is responsible for destroing returend object with xmlSecKeyDataDestroy function.
id : | the data id.
Returns : | the pointer to newly allocated key data structure or NULL if an error occurs.
### xmlSecKeyDataDuplicate ()
    xmlSecKeyDataPtr xmlSecKeyDataDuplicate     (xmlSecKeyDataPtr data);
Creates a duplicate of the given data. Caller is responsible for destroing returend object with xmlSecKeyDataDestroy function.
data : | the pointer to the key data.
Returns : | the pointer to newly allocated key data structure or NULL if an error occurs.
### xmlSecKeyDataDestroy ()
    void        xmlSecKeyDataDestroy            (xmlSecKeyDataPtr data);
Destroys the data and frees all allocated memory.
data : | the pointer to the key data.
### xmlSecKeyDataGenerate ()
    int         xmlSecKeyDataGenerate           (xmlSecKeyDataPtr data,
                                                 xmlSecSize sizeBits,
                                                 xmlSecKeyDataType type);
Generates new key data of given size and type.
data : | the pointer to key data.
sizeBits : | the desired key data size (in bits).
type : | the desired key data type.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataGetType ()
    xmlSecKeyDataType xmlSecKeyDataGetType      (xmlSecKeyDataPtr data);
Gets key data type.
data : | the pointer to key data.
Returns : | key data type.
### xmlSecKeyDataGetSize ()
    xmlSecSize  xmlSecKeyDataGetSize            (xmlSecKeyDataPtr data);
Gets key data size.
data : | the pointer to key data.
Returns : | key data size (in bits).
### xmlSecKeyDataGetIdentifier ()
    const xmlChar* xmlSecKeyDataGetIdentifier   (xmlSecKeyDataPtr data);
Gets key data identifier string.
data : | the pointer to key data.
Returns : | key data id string.
### xmlSecKeyDataDebugDump ()
    void        xmlSecKeyDataDebugDump          (xmlSecKeyDataPtr data,
                                                 FILE *output);
Prints key data debug info.
data : | the pointer to key data.
output : | the pointer to output FILE.
### xmlSecKeyDataDebugXmlDump ()
    void        xmlSecKeyDataDebugXmlDump       (xmlSecKeyDataPtr data,
                                                 FILE *output);
Prints key data debug info in XML format.
data : | the pointer to key data.
output : | the pointer to output FILE.
### xmlSecKeyDataXmlRead ()
    int         xmlSecKeyDataXmlRead            (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Reads the key data of klass id from XML node and adds them to key.
id : | the data klass.
key : | the destination key.
node : | the pointer to an XML node.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataXmlWrite ()
    int         xmlSecKeyDataXmlWrite           (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Writes the key data of klass id from key to an XML node.
id : | the data klass.
key : | the source key.
node : | the pointer to an XML node.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinRead ()
    int         xmlSecKeyDataBinRead            (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Reads the key data of klass id from binary buffer buf to key.
id : | the data klass.
key : | the destination key.
buf : | the input binary buffer.
bufSize : | the input buffer size.
keyInfoCtx : | the <dsig:KeyInfo/> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataBinWrite ()
    int         xmlSecKeyDataBinWrite           (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Writes the key data of klass id from the key to a binary buffer buf.
id : | the data klass.
key : | the source key.
buf : | the output binary buffer.
bufSize : | the output buffer size.
keyInfoCtx : | the <dsig:KeyInfo/> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataGetName()
    #define     xmlSecKeyDataGetName(data)
Macro. Returns the key data name.
data : | the pointer to key data.
### xmlSecKeyDataIsValid()
    #define     xmlSecKeyDataIsValid(data)
Macro. Returns 1 if data is not NULL and data->id is not NULL or 0 otherwise.
data : | the pointer to data.
### xmlSecKeyDataCheckId()
    #define     xmlSecKeyDataCheckId(data, dataId)
Macro. Returns 1 if data is valid and data's id is equal to dataId.
data : | the pointer to data.
dataId : | the data Id.
### xmlSecKeyDataCheckUsage()
    #define     xmlSecKeyDataCheckUsage(data, usg)
Macro. Returns 1 if data is valid and could be used for usg.
data : | the pointer to data.
usg : | the data usage.
### xmlSecKeyDataCheckSize()
    #define     xmlSecKeyDataCheckSize(data, size)
Macro. Returns 1 if data is valid and data's object has at least size bytes.
data : | the pointer to data.
size : | the expected size.
### xmlSecKeyDataIdUnknown
    #define xmlSecKeyDataIdUnknown 			((xmlSecKeyDataId)NULL)
The "unknown" id. ### xmlSecKeyDataInitMethod ()
    int         (*xmlSecKeyDataInitMethod)      (xmlSecKeyDataPtr data);
Key data specific initialization method.
data : | the pointer to key data.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataDuplicateMethod ()
    int         (*xmlSecKeyDataDuplicateMethod) (xmlSecKeyDataPtr dst,
                                                 xmlSecKeyDataPtr src);
Key data specific duplication (copy) method.
dst : | the pointer to destination key data.
src : | the poiniter to source key data.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataFinalizeMethod ()
    void        (*xmlSecKeyDataFinalizeMethod)  (xmlSecKeyDataPtr data);
Key data specific finalization method. All the objects and resources allocated by the key data object must be freed inside this method.
data : | the data.
### xmlSecKeyDataXmlReadMethod ()
    int         (*xmlSecKeyDataXmlReadMethod)   (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Key data specific method for reading XML node.
id : | the data id.
key : | the key.
node : | the pointer to data's value XML node.
keyInfoCtx : | the <dsig:KeyInfo/> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataXmlWriteMethod ()
    int         (*xmlSecKeyDataXmlWriteMethod)  (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Key data specific method for writing XML node.
id : | the data id.
key : | the key.
node : | the pointer to data's value XML node.
keyInfoCtx : | the <dsig:KeyInfo> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataBinReadMethod ()
    int         (*xmlSecKeyDataBinReadMethod)   (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Key data specific method for reading binary buffer.
id : | the data id.
key : | the key.
buf : | the input buffer.
bufSize : | the buffer size.
keyInfoCtx : | the <dsig:KeyInfo/> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataBinWriteMethod ()
    int         (*xmlSecKeyDataBinWriteMethod)  (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Key data specific method for reading binary buffer.
id : | the data id.
key : | the key.
buf : | the output buffer.
bufSize : | the buffer size.
keyInfoCtx : | the <dsig:KeyInfo/> node processing context.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataGenerateMethod ()
    int         (*xmlSecKeyDataGenerateMethod)  (xmlSecKeyDataPtr data,
                                                 xmlSecSize sizeBits,
                                                 xmlSecKeyDataType type);
Key data specific method for generating new key data.
data : | the pointer to key data.
sizeBits : | the key data specific size.
type : | the required key type (session/permanent, etc.)
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataGetTypeMethod ()
    xmlSecKeyDataType (*xmlSecKeyDataGetTypeMethod)
                                                (xmlSecKeyDataPtr data);
Key data specific method to get the key type.
data : | the data.
Returns : | the key type.
### xmlSecKeyDataGetSizeMethod ()
    xmlSecSize  (*xmlSecKeyDataGetSizeMethod)   (xmlSecKeyDataPtr data);
Key data specific method to get the key size.
data : | the pointer to key data.
Returns : | the key size in bits.
### xmlSecKeyDataGetIdentifierMethod ()
    const xmlChar* (*xmlSecKeyDataGetIdentifierMethod)
                                                (xmlSecKeyDataPtr data);
Key data specific method to get the key data identifier string (for example, X509 data identifier is the subject of the verified cert).
data : | the pointer to key data.
Returns : | the identifier string or NULL if an error occurs.
### xmlSecKeyDataDebugDumpMethod ()
    void        (*xmlSecKeyDataDebugDumpMethod) (xmlSecKeyDataPtr data,
                                                 FILE *output);
Key data specific method for printing debug info.
data : | the data.
output : | the FILE to print debug info (should be open for writing).
### struct xmlSecKeyDataKlass
    struct xmlSecKeyDataKlass {

        xmlSecSize				klassSize;
        xmlSecSize				objSize;

        /* data */
        const xmlChar*			name;
        xmlSecKeyDataUsage			usage;
        const xmlChar*			href;
        const xmlChar*			dataNodeName;
        const xmlChar*			dataNodeNs;

        /* constructors/destructor */
        xmlSecKeyDataInitMethod		initialize;
        xmlSecKeyDataDuplicateMethod	duplicate;
        xmlSecKeyDataFinalizeMethod		finalize;
        xmlSecKeyDataGenerateMethod		generate;

        /* get info */
        xmlSecKeyDataGetTypeMethod		getType;
        xmlSecKeyDataGetSizeMethod		getSize;
        xmlSecKeyDataGetIdentifierMethod	getIdentifier;

        /* read/write */
        xmlSecKeyDataXmlReadMethod		xmlRead;
        xmlSecKeyDataXmlWriteMethod		xmlWrite;
        xmlSecKeyDataBinReadMethod		binRead;
        xmlSecKeyDataBinWriteMethod		binWrite;

        /* debug */
        xmlSecKeyDataDebugDumpMethod	debugDump;
        xmlSecKeyDataDebugDumpMethod	debugXmlDump;

        /* for the future */
        void*				reserved0;
        void*				reserved1;
    };
The data id (klass).
xmlSecSize `klassSize` | the klass size.
xmlSecSize `objSize` | the object size.
const xmlChar *`name` | the object name.
xmlSecKeyDataUsage `usage` | the allowed data usage.
const xmlChar *`href` | the identification string (href).
const xmlChar *`dataNodeName` | the data's XML node name.
const xmlChar *`dataNodeNs` | the data's XML node namespace.
xmlSecKeyDataInitMethod `initialize` | the initialization method.
xmlSecKeyDataDuplicateMethod `duplicate` | the duplicate (copy) method.
xmlSecKeyDataFinalizeMethod `finalize` | the finalization (destroy) method.
xmlSecKeyDataGenerateMethod `generate` | the new data generation method.
xmlSecKeyDataGetTypeMethod `getType` | the method to access data's type information.
xmlSecKeyDataGetSizeMethod `getSize` | the method to access data's size.
xmlSecKeyDataGetIdentifierMethod `getIdentifier` | the method to access data's string identifier.
xmlSecKeyDataXmlReadMethod `xmlRead` | the method for reading data from XML node.
xmlSecKeyDataXmlWriteMethod `xmlWrite` | the method for writing data to XML node.
xmlSecKeyDataBinReadMethod `binRead` | the method for reading data from a binary buffer.
xmlSecKeyDataBinWriteMethod `binWrite` | the method for writing data to binary buffer.
xmlSecKeyDataDebugDumpMethod `debugDump` | the method for printing debug data information.
xmlSecKeyDataDebugDumpMethod `debugXmlDump` | the method for printing debug data information in XML format.
void *`reserved0` | reserved for the future.
void *`reserved1` | reserved for the future.
### xmlSecKeyDataKlassGetName()
    #define     xmlSecKeyDataKlassGetName(klass)
Macro. Returns data klass name.
klass : | the data klass.
### xmlSecKeyDataListId
    #define xmlSecKeyDataListId	xmlSecKeyDataListGetKlass()
The key data klasses list klass id. ### xmlSecKeyDataListGetKlass ()
    xmlSecPtrListId xmlSecKeyDataListGetKlass   (void);
The key data list klass.
Returns : | pointer to the key data list klass.
### xmlSecKeyDataIdListId
    #define xmlSecKeyDataIdListId	xmlSecKeyDataIdListGetKlass()
The key data list klass id. ### xmlSecKeyDataIdListGetKlass ()
    xmlSecPtrListId xmlSecKeyDataIdListGetKlass (void);
The key data id list klass.
Returns : | pointer to the key data id list klass.
### xmlSecKeyDataIdListFind ()
    int         xmlSecKeyDataIdListFind         (xmlSecPtrListPtr list,
                                                 xmlSecKeyDataId dataId);
Lookups dataId in list.
list : | the pointer to key data ids list.
dataId : | the key data klass.
Returns : | 1 if dataId is found in the list, 0 if not and a negative value if an error occurs.
### xmlSecKeyDataIdListFindByNode ()
    xmlSecKeyDataId xmlSecKeyDataIdListFindByNode
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *nodeName,
                                                 const xmlChar *nodeNs,
                                                 xmlSecKeyDataUsage usage);
Lookups data klass in the list with given nodeName, nodeNs and usage in the list.
list : | the pointer to key data ids list.
nodeName : | the desired key data klass XML node name.
nodeNs : | the desired key data klass XML node namespace.
usage : | the desired key data usage.
Returns : | key data klass is found and NULL otherwise.
### xmlSecKeyDataIdListFindByHref ()
    xmlSecKeyDataId xmlSecKeyDataIdListFindByHref
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *href,
                                                 xmlSecKeyDataUsage usage);
Lookups data klass in the list with given href and usage in list.
list : | the pointer to key data ids list.
href : | the desired key data klass href.
usage : | the desired key data usage.
Returns : | key data klass is found and NULL otherwise.
### xmlSecKeyDataIdListFindByName ()
    xmlSecKeyDataId xmlSecKeyDataIdListFindByName
                                                (xmlSecPtrListPtr list,
                                                 const xmlChar *name,
                                                 xmlSecKeyDataUsage usage);
Lookups data klass in the list with given name and usage in list.
list : | the pointer to key data ids list.
name : | the desired key data klass name.
usage : | the desired key data usage.
Returns : | key data klass is found and NULL otherwise.
### xmlSecKeyDataIdListDebugDump ()
    void        xmlSecKeyDataIdListDebugDump    (xmlSecPtrListPtr list,
                                                 FILE *output);
Prints binary key data debug information to output.
list : | the pointer to key data ids list.
output : | the pointer to output FILE.
### xmlSecKeyDataIdListDebugXmlDump ()
    void        xmlSecKeyDataIdListDebugXmlDump (xmlSecPtrListPtr list,
                                                 FILE *output);
Prints binary key data debug information to output in XML format.
list : | the pointer to key data ids list.
output : | the pointer to output FILE.
### xmlSecKeyDataBinarySize
    #define     xmlSecKeyDataBinarySize
The binary key data object size. ### xmlSecKeyDataBinaryValueInitialize ()
    int         xmlSecKeyDataBinaryValueInitialize
                                                (xmlSecKeyDataPtr data);
Initializes key data.
data : | the pointer to binary key data.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueDuplicate ()
    int         xmlSecKeyDataBinaryValueDuplicate
                                                (xmlSecKeyDataPtr dst,
                                                 xmlSecKeyDataPtr src);
Copies binary key data from src to dst.
dst : | the pointer to destination binary key data.
src : | the pointer to source binary key data.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueFinalize ()
    void        xmlSecKeyDataBinaryValueFinalize
                                                (xmlSecKeyDataPtr data);
Cleans up binary key data.
data : | the pointer to binary key data.
### xmlSecKeyDataBinaryValueXmlRead ()
    int         xmlSecKeyDataBinaryValueXmlRead (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Reads binary key data from node to the key by base64 decoding the node content.
id : | the data klass.
key : | the pointer to destination key.
node : | the pointer to an XML node.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueXmlWrite ()
    int         xmlSecKeyDataBinaryValueXmlWrite
                                                (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlNodePtr node,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Base64 encodes binary key data of klass id from the key and sets to the node content.
id : | the data klass.
key : | the pointer to source key.
node : | the pointer to an XML node.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueBinRead ()
    int         xmlSecKeyDataBinaryValueBinRead (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Reads binary key data of the klass id from buf to the key.
id : | the data klass.
key : | the pointer to destination key.
buf : | the source binary buffer.
bufSize : | the source binary buffer size.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueBinWrite ()
    int         xmlSecKeyDataBinaryValueBinWrite
                                                (xmlSecKeyDataId id,
                                                 xmlSecKeyPtr key,
                                                 xmlSecByte **buf,
                                                 xmlSecSize *bufSize,
                                                 xmlSecKeyInfoCtxPtr keyInfoCtx);
Writes binary key data of klass id from the key to buf.
id : | the data klass.
key : | the pointer to source key.
buf : | the destination binary buffer.
bufSize : | the destination binary buffer size.
keyInfoCtx : | the pointer to <dsig:KeyInfo/> element processing context.
Returns : | 0 on success or a negative value otherwise.
### xmlSecKeyDataBinaryValueDebugDump ()
    void        xmlSecKeyDataBinaryValueDebugDump
                                                (xmlSecKeyDataPtr data,
                                                 FILE *output);
Prints binary key data debug information to output.
data : | the pointer to binary key data.
output : | the pointer to output FILE.
### xmlSecKeyDataBinaryValueDebugXmlDump ()
    void        xmlSecKeyDataBinaryValueDebugXmlDump
                                                (xmlSecKeyDataPtr data,
                                                 FILE *output);
Prints binary key data debug information to output in XML format.
data : | the pointer to binary key data.
output : | the pointer to output FILE.
### xmlSecKeyDataBinaryValueGetSize ()
    xmlSecSize  xmlSecKeyDataBinaryValueGetSize (xmlSecKeyDataPtr data);
Gets the binary key data size.
data : | the pointer to binary key data.
Returns : | binary key data size in bits.
### xmlSecKeyDataBinaryValueGetBuffer ()
    xmlSecBufferPtr xmlSecKeyDataBinaryValueGetBuffer
                                                (xmlSecKeyDataPtr data);
Gets the binary key data buffer.
data : | the pointer to binary key data.
Returns : | pointer to binary key data buffer.
### xmlSecKeyDataBinaryValueSetBuffer ()
    int         xmlSecKeyDataBinaryValueSetBuffer
                                                (xmlSecKeyDataPtr data,
                                                 const xmlSecByte *buf,
                                                 xmlSecSize bufSize);
Sets the value of data to buf.
data : | the pointer to binary key data.
buf : | the pointer to binary buffer.
bufSize : | the binary buffer size.
Returns : | 0 on success or a negative value otherwise.
### struct xmlSecKeyDataStore
    struct xmlSecKeyDataStore {

        xmlSecKeyDataStoreId		id;

        /* for the future */
        void*				reserved0;
        void*				reserved1;
    };
The key data store. Key data store holds common key data specific information required for key data processing. For example, X509 data store may hold information about trusted (root) certificates.
xmlSecKeyDataStoreId `id` | the store id (xmlSecKeyDataStoreId).
void *`reserved0` | reserved for the future.
void *`reserved1` | reserved for the future.
### xmlSecKeyDataStoreCreate ()
    xmlSecKeyDataStorePtr xmlSecKeyDataStoreCreate
                                                (xmlSecKeyDataStoreId id);
Creates new key data store of the specified klass id. Caller is responsible for freeng returned object with xmlSecKeyDataStoreDestroy function.
id : | the store id.
Returns : | the pointer to newly allocated key data store structure or NULL if an error occurs.
### xmlSecKeyDataStoreDestroy ()
    void        xmlSecKeyDataStoreDestroy       (xmlSecKeyDataStorePtr store);
Destroys the key data store created with xmlSecKeyDataStoreCreate function.
store : | the pointer to the key data store..
### xmlSecKeyDataStoreGetName()
    #define     xmlSecKeyDataStoreGetName(store)
Macro. Returns key data store name.
store : | the pointer to store.
### xmlSecKeyDataStoreIsValid()
    #define     xmlSecKeyDataStoreIsValid(store)
Macro. Returns 1 if store is not NULL and store->id is not NULL or 0 otherwise.
store : | the pointer to store.
### xmlSecKeyDataStoreCheckId()
    #define     xmlSecKeyDataStoreCheckId(store, storeId)
Macro. Returns 1 if store is valid and store's id is equal to storeId.
store : | the pointer to store.
storeId : | the store Id.
### xmlSecKeyDataStoreCheckSize()
    #define     xmlSecKeyDataStoreCheckSize(store, size)
Macro. Returns 1 if data is valid and stores's object has at least size bytes.
store : | the pointer to store.
size : | the expected size.
### xmlSecKeyDataStoreIdUnknown
    #define xmlSecKeyDataStoreIdUnknown 			NULL
The "unknown" id. ### xmlSecKeyDataStoreInitializeMethod ()
    int         (*xmlSecKeyDataStoreInitializeMethod)
                                                (xmlSecKeyDataStorePtr store);
Key data store specific initialization method.
store : | the data store.
Returns : | 0 on success or a negative value if an error occurs.
### xmlSecKeyDataStoreFinalizeMethod ()
    void        (*xmlSecKeyDataStoreFinalizeMethod)
                                                (xmlSecKeyDataStorePtr store);
Key data store specific finalization (destroy) method.
store : | the data store.
### struct xmlSecKeyDataStoreKlass
    struct xmlSecKeyDataStoreKlass {

        xmlSecSize				klassSize;
        xmlSecSize				objSize;

        /* data */
        const xmlChar*			name;

        /* constructors/destructor */
        xmlSecKeyDataStoreInitializeMethod	initialize;
        xmlSecKeyDataStoreFinalizeMethod	finalize;

        /* for the future */
        void*				reserved0;
        void*				reserved1;
    };
The data store id (klass).
xmlSecSize `klassSize` | the data store klass size.
xmlSecSize `objSize` | the data store obj size.
const xmlChar *`name` | the store's name.
xmlSecKeyDataStoreInitializeMethod `initialize` | the store's initialization method.
xmlSecKeyDataStoreFinalizeMethod `finalize` | the store's finalization (destroy) method.
void *`reserved0` | reserved for the future.
void *`reserved1` | reserved for the future.
### xmlSecKeyDataStoreKlassGetName()
    #define     xmlSecKeyDataStoreKlassGetName(klass)
Macro. Returns store klass name.
klass : | the pointer to store klass.
### xmlSecKeyDataStorePtrListId
    #define xmlSecKeyDataStorePtrListId	xmlSecKeyDataStorePtrListGetKlass()
The data store list id (klass). ### xmlSecKeyDataStorePtrListGetKlass ()
    xmlSecPtrListId xmlSecKeyDataStorePtrListGetKlass
                                                (void);
Key data stores list.
Returns : | key data stores list klass.
Aleksey Sanin