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Annotation of embedaddon/strongswan/src/libstrongswan/plugins/pkcs7/pkcs7_attributes.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (C) 2012 Tobias Brunner
                      3:  * Copyright (C) 2008 Andreas Steffen
                      4:  * HSR Hochschule fuer Technik Rapperswil
                      5:  *
                      6:  * This program is free software; you can redistribute it and/or modify it
                      7:  * under the terms of the GNU General Public License as published by the
                      8:  * Free Software Foundation; either version 2 of the License, or (at your
                      9:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
                     10:  *
                     11:  * This program is distributed in the hope that it will be useful, but
                     12:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     13:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
                     14:  * for more details.
                     15:  */
                     16: 
                     17: /**
                     18:  * @defgroup pkcs7_attributes pkcs7_attributes
                     19:  * @{ @ingroup pkcs7p
                     20:  */
                     21: 
                     22: #ifndef PKCS7_ATTRIBUTES_H_
                     23: #define PKCS7_ATTRIBUTES_H_
                     24: 
                     25: typedef struct pkcs7_attributes_t pkcs7_attributes_t;
                     26: 
                     27: #include <library.h>
                     28: 
                     29: /**
                     30:  * PKCS#7 attribute lists, aka PKCS#9.
                     31:  */
                     32: struct pkcs7_attributes_t {
                     33: 
                     34:        /**
                     35:         * Gets ASN.1 encoding of PKCS#9 attribute list.
                     36:         *
                     37:         * @return                              ASN.1 encoded PKCSI#9 list
                     38:         */
                     39:        chunk_t (*get_encoding) (pkcs7_attributes_t *this);
                     40: 
                     41:        /**
                     42:         * Gets a PKCS#9 attribute from the list.
                     43:         *
                     44:         * @param oid                   OID of the attribute
                     45:         * @return                              value of the attribute (internal data)
                     46:         */
                     47:        chunk_t (*get_attribute) (pkcs7_attributes_t *this, int oid);
                     48: 
                     49:        /**
                     50:         * Adds a PKCS#9 attribute.
                     51:         *
                     52:         * @param oid                   OID of the attribute
                     53:         * @param value                 value of the attribute, with ASN1 type (gets owned)
                     54:         */
                     55:        void (*add_attribute) (pkcs7_attributes_t *this, int oid, chunk_t value);
                     56: 
                     57:        /**
                     58:         * Destroys the PKCS#9 attribute list.
                     59:         */
                     60:        void (*destroy) (pkcs7_attributes_t *this);
                     61: };
                     62: 
                     63: /**
                     64:  * Read a PKCS#7 attribute list (aka PKCS#9) from a DER encoded chunk.
                     65:  *
                     66:  * @param chunk                chunk containing DER encoded data
                     67:  * @param level                ASN.1 parsing start level
                     68:  * @return                     created pkcs9 attribute list, or NULL if invalid.
                     69:  */
                     70: pkcs7_attributes_t *pkcs7_attributes_create_from_chunk(chunk_t chunk, u_int level);
                     71: 
                     72: /**
                     73:  * Create an empty PKCS#7 attribute list, aka PKCS#9.
                     74:  *
                     75:  * @return                             created pkcs9 attribute list.
                     76:  */
                     77: pkcs7_attributes_t *pkcs7_attributes_create(void);
                     78: 
                     79: #endif /** PKCS9_H_ @}*/