1 files changed, 79 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/pkcs7/pkcs7_attributes.h b/src/libstrongswan/plugins/pkcs7/pkcs7_attributes.h
new file mode 100644
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+++ b/src/libstrongswan/plugins/pkcs7/pkcs7_attributes.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 Tobias Brunner
+ * Copyright (C) 2008 Andreas Steffen
+ * Hochschule fuer Technik Rapperswil, Switzerland
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup pkcs7_attributes pkcs7_attributes
+ * @{ @ingroup pkcs7p
+ */
+
+#ifndef PKCS7_ATTRIBUTES_H_
+#define PKCS7_ATTRIBUTES_H_
+
+typedef struct pkcs7_attributes_t pkcs7_attributes_t;
+
+#include <library.h>
+
+/**
+ * PKCS#7 attribute lists, aka PKCS#9.
+ */
+struct pkcs7_attributes_t {
+
+	/**
+	 * Gets ASN.1 encoding of PKCS#9 attribute list.
+	 *
+	 * @return				ASN.1 encoded PKCSI#9 list
+	 */
+	chunk_t (*get_encoding) (pkcs7_attributes_t *this);
+
+	/**
+	 * Gets a PKCS#9 attribute from the list.
+	 *
+	 * @param oid			OID of the attribute
+	 * @return				value of the attribute (internal data)
+	 */
+	chunk_t (*get_attribute) (pkcs7_attributes_t *this, int oid);
+
+	/**
+	 * Adds a PKCS#9 attribute.
+	 *
+	 * @param oid			OID of the attribute
+	 * @param value			value of the attribute, with ASN1 type (gets owned)
+	 */
+	void (*add_attribute) (pkcs7_attributes_t *this, int oid, chunk_t value);
+
+	/**
+	 * Destroys the PKCS#9 attribute list.
+	 */
+	void (*destroy) (pkcs7_attributes_t *this);
+};
+
+/**
+ * Read a PKCS#7 attribute list (aka PKCS#9) from a DER encoded chunk.
+ *
+ * @param chunk		chunk containing DER encoded data
+ * @param level		ASN.1 parsing start level
+ * @return 			created pkcs9 attribute list, or NULL if invalid.
+ */
+pkcs7_attributes_t *pkcs7_attributes_create_from_chunk(chunk_t chunk, u_int level);
+
+/**
+ * Create an empty PKCS#7 attribute list, aka PKCS#9.
+ *
+ * @return 				created pkcs9 attribute list.
+ */
+pkcs7_attributes_t *pkcs7_attributes_create(void);
+
+#endif /** PKCS9_H_ @}*/