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GP11Attributes

GP11Attributes — A set of PKCS11 attributes.

Synopsis

                    GP11Attributes;
#define             GP11_TYPE_ATTRIBUTES
GP11Attributes*     gp11_attributes_new                 (void);
GP11Attributes*     gp11_attributes_new_empty           (gulong attr_type,
                                                         ...);
GP11Attributes*     gp11_attributes_newv                (gulong attr_type,
                                                         ...);
GP11Attribute*      gp11_attributes_at                  (GP11Attributes *attrs,
                                                         guint index);
GP11Attribute*      gp11_attributes_add                 (GP11Attributes *attrs,
                                                         GP11Attribute *attr);
GP11Attribute*      gp11_attributes_add_data            (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gconstpointer value,
                                                         gsize length);
GP11Attribute*      gp11_attributes_add_invalid         (GP11Attributes *attrs,
                                                         gulong attr_type);
GP11Attribute*      gp11_attributes_add_empty           (GP11Attributes *attrs,
                                                         gulong attr_type);
GP11Attribute*      gp11_attributes_add_boolean         (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gboolean value);
GP11Attribute*      gp11_attributes_add_string          (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         const gchar *value);
GP11Attribute*      gp11_attributes_add_date            (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         const GDate *value);
GP11Attribute*      gp11_attributes_add_ulong           (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gulong value);
GP11Attribute*      gp11_attributes_find                (GP11Attributes *attrs,
                                                         gulong attr_type);
gboolean            gp11_attributes_find_boolean        (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gboolean *value);
gboolean            gp11_attributes_find_ulong          (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gulong *value);
gboolean            gp11_attributes_find_string         (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gchar **value);
gboolean            gp11_attributes_find_date           (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         GDate *value);
gulong              gp11_attributes_count               (GP11Attributes *attrs);
GP11Attributes*     gp11_attributes_ref                 (GP11Attributes *attrs);
void                gp11_attributes_unref               (GP11Attributes *attrs);
gpointer            (*GP11Allocator)                    (gpointer data,
                                                         gsize length);
#define             GP11_BOOLEAN
#define             GP11_ULONG
#define             GP11_STRING
#define             GP11_DATE
#define             GP11_INVALID

Description

A set of GP11Attribute structures. These attributes contain information about a PKCS11 object. Use gp11_object_get() or gp11_object_set() to set and retrieve attributes on an object.

Details

GP11Attributes

typedef struct _GP11Attributes GP11Attributes;

A set of GP11Attribute structures.


GP11_TYPE_ATTRIBUTES

#define             GP11_TYPE_ATTRIBUTES                    (gp11_attributes_get_boxed_type ())


gp11_attributes_new ()

GP11Attributes*     gp11_attributes_new                 (void);

Create a new GP11Attributes array.

Returns :

The new attributes array. When done with the array release it with gp11_attributes_unref().

gp11_attributes_new_empty ()

GP11Attributes*     gp11_attributes_new_empty           (gulong attr_type,
                                                         ...);

Creates an GP11Attributes array with empty attributes. The arguments should be values of attribute types, terminated with GP11_INVALID.

attr_type :

The first attribute type to add as empty.

... :

The arguments should be values of attribute types, terminated with GP11_INVALID.

Returns :

The new attributes array. When done with the array release it with gp11_attributes_unref().

gp11_attributes_newv ()

GP11Attributes*     gp11_attributes_newv                (gulong attr_type,
                                                         ...);

Create a new GP11Attributes array, containing a list of attributes.

The variable argument list should contain:

a)

The gulong attribute type (ie: CKA_LABEL).

b)

The attribute data type (one of GP11_BOOLEAN, GP11_ULONG, GP11_STRING, GP11_DATE) orthe raw attribute value length.

c)

The attribute value, either a gboolean, gulong, gchar*, GDate* or a pointer to a raw attribute value.

The variable argument list should be terminated with GP11_INVALID.

attr_type :

The first attribute type.

... :

The arguments must be triples of: attribute type, data type, value

Returns :

The new attributes array. When done with the array release it with gp11_attributes_unref().

gp11_attributes_at ()

GP11Attribute*      gp11_attributes_at                  (GP11Attributes *attrs,
                                                         guint index);

Get attribute at the specified index in the attribute array.

Use gp11_attributes_count() to determine how many attributes are in the array.

attrs :

The attributes array.

index :

The attribute index to retrieve.

Returns :

The specified attribute.

gp11_attributes_add ()

GP11Attribute*      gp11_attributes_add                 (GP11Attributes *attrs,
                                                         GP11Attribute *attr);

Add the specified attribute to the array.

The value stored in the attribute will be copied.

attrs :

The attributes array to add to

attr :

The attribute to add.

Returns :

The attribute that was added.

gp11_attributes_add_data ()

GP11Attribute*      gp11_attributes_add_data            (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gconstpointer value,
                                                         gsize length);

Add an attribute with the specified type and value to the array.

The value stored in the attribute will be copied.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

value :

The raw memory of the attribute value.

length :

The length of the attribute value.

Returns :

The attribute that was added.

gp11_attributes_add_invalid ()

GP11Attribute*      gp11_attributes_add_invalid         (GP11Attributes *attrs,
                                                         gulong attr_type);

Add an attribute with the specified type and an 'invalid' value to the array.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

Returns :

The attribute that was added.

gp11_attributes_add_empty ()

GP11Attribute*      gp11_attributes_add_empty           (GP11Attributes *attrs,
                                                         gulong attr_type);

Add an attribute with the specified type, with empty data.

attrs :

The attributes array to add.

attr_type :

The type of attribute to add.

Returns :

The attribute that was added.

gp11_attributes_add_boolean ()

GP11Attribute*      gp11_attributes_add_boolean         (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gboolean value);

Add an attribute with the specified type and value to the array.

The value will be stored as a CK_BBOOL PKCS11 style attribute.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

value :

The boolean value to add.

Returns :

The attribute that was added.

gp11_attributes_add_string ()

GP11Attribute*      gp11_attributes_add_string          (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         const gchar *value);

Add an attribute with the specified type and value to the array.

The value will be copied into the attribute.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

value :

The null terminated string value to add.

Returns :

The attribute that was added.

gp11_attributes_add_date ()

GP11Attribute*      gp11_attributes_add_date            (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         const GDate *value);

Add an attribute with the specified type and value to the array.

The value will be stored as a CK_DATE PKCS11 style attribute.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

value :

The GDate value to add.

Returns :

The attribute that was added.

gp11_attributes_add_ulong ()

GP11Attribute*      gp11_attributes_add_ulong           (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gulong value);

Add an attribute with the specified type and value to the array.

The value will be stored as a CK_ULONG PKCS11 style attribute.

attrs :

The attributes array to add to.

attr_type :

The type of attribute to add.

value :

The gulong value to add.

Returns :

The attribute that was added.

gp11_attributes_find ()

GP11Attribute*      gp11_attributes_find                (GP11Attributes *attrs,
                                                         gulong attr_type);

Find an attribute with the specified type in the array.

attrs :

The attributes array to search.

attr_type :

The type of attribute to find.

Returns :

The first attribute found with the specified type, or NULL.

gp11_attributes_find_boolean ()

gboolean            gp11_attributes_find_boolean        (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gboolean *value);

Find an attribute with the specified type in the array.

The attribute (if found) must be of the right size to store a boolean value (ie: CK_BBOOL). If the attribute is marked invalid then it will be treated as not found.

attrs :

The attributes array to search.

attr_type :

The type of attribute to find.

value :

The resulting gboolean value.

Returns :

Whether a value was found or not.

gp11_attributes_find_ulong ()

gboolean            gp11_attributes_find_ulong          (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gulong *value);

Find an attribute with the specified type in the array.

The attribute (if found) must be of the right size to store a unsigned long value (ie: CK_ULONG). If the attribute is marked invalid then it will be treated as not found.

attrs :

The attributes array to search.

attr_type :

The type of attribute to find.

value :

The resulting gulong value.

Returns :

Whether a value was found or not.

gp11_attributes_find_string ()

gboolean            gp11_attributes_find_string         (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         gchar **value);

Find an attribute with the specified type in the array.

If the attribute is marked invalid then it will be treated as not found. The resulting string will be null-terminated, and must be freed by the caller using g_free().

attrs :

The attributes array to search.

attr_type :

The type of attribute to find.

value :

The resulting string value.

Returns :

Whether a value was found or not.

gp11_attributes_find_date ()

gboolean            gp11_attributes_find_date           (GP11Attributes *attrs,
                                                         gulong attr_type,
                                                         GDate *value);

Find an attribute with the specified type in the array.

The attribute (if found) must be of the right size to store a date value (ie: CK_DATE). If the attribute is marked invalid then it will be treated as not found.

attrs :

The attributes array to search.

attr_type :

The type of attribute to find.

value :

The resulting GDate value.

Returns :

Whether a value was found or not.

gp11_attributes_count ()

gulong              gp11_attributes_count               (GP11Attributes *attrs);

Get the number of attributes in this attribute array.

attrs :

The attributes array to count.

Returns :

The number of contained attributes.

gp11_attributes_ref ()

GP11Attributes*     gp11_attributes_ref                 (GP11Attributes *attrs);

Reference this attributes array.

attrs :

An attribute array

Returns :

The attributes.

gp11_attributes_unref ()

void                gp11_attributes_unref               (GP11Attributes *attrs);

Unreference this attribute array.

When all outstanding references are NULL, the array will be freed.

attrs :

An attribute array

GP11Allocator ()

gpointer            (*GP11Allocator)                    (gpointer data,
                                                         gsize length);

An allocator used to allocate data for the attributes in this GP11Attributes set.

This is a function that acts like g_realloc. Specifically it frees when length is set to zero, it allocates when data is set to NULL, and it reallocates when both are valid.

data :

Memory to allocate or deallocate.

length :

New length of memory.

Returns :

The allocated memory, or NULL when freeing.

GP11_BOOLEAN

#define GP11_BOOLEAN  ((gssize)-1)

The attribute data is a gboolean. Used with variable argument functions.


GP11_ULONG

#define GP11_ULONG    ((gssize)-2)

The attribute data is a gulong. Used with variable argument functions.


GP11_STRING

#define GP11_STRING   ((gssize)-3)

The attribute data is a gchar. Used with variable argument functions.


GP11_DATE

#define GP11_DATE     ((gssize)-4)

Signifies that no more attributes follow. Used with variable argument functions.


GP11_INVALID

#define GP11_INVALID G_MAXULONG

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