text: /*
   * Copyright (C) 2014 Andreas Steffen
   * HSR Hochschule fuer Technik Rapperswil
   *
   * 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 bliss_public_key bliss_public_key
   * @{ @ingroup bliss_p
   */
  
  #ifndef BLISS_PUBLIC_KEY_H_
  #define BLISS_PUBLIC_KEY_H_
  
  #include "bliss_param_set.h"
  
  #include <credentials/builder.h>
  #include <credentials/cred_encoding.h>
  #include <credentials/keys/public_key.h>
  
  typedef struct bliss_public_key_t bliss_public_key_t;
  
  /**
   * public_key_t implementation of BLISS signature algorithm
   */
  struct bliss_public_key_t {
  
  	/**
  	 * Implements the public_key_t interface
  	 */
  	public_key_t key;
  };
  
  /**
   * Load a BLISS public key.
   *
   * Accepts BUILD_BLISS_* components.
   *
   * @param type		type of the key, must be KEY_BLISS
   * @param args		builder_part_t argument list
   * @return 			loaded key, NULL on failure
   */
  bliss_public_key_t *bliss_public_key_load(key_type_t type, va_list args);
  
  /* The following functions are shared with the bliss_private_key class */
  
  /**
   * Parse an ASN.1 BIT STRING into an array of public key coefficients
   *
   * @param object	packed subjectPublicKey
   * @param set		BLISS parameter set for public key vector
   * @param pubkey	coefficients of public key vector
   * @return			TRUE if parsing successful
   */
  bool bliss_public_key_from_asn1(chunk_t object, bliss_param_set_t *set,
  								uint32_t **pubkey);
  
  /**
   * Encode a raw BLISS subjectPublicKey in ASN.1 DER format
   *
   * @param pubkey	coefficients of public key vector
   * @param set		BLISS parameter set for the public key vector
   * @result			ASN.1 encoded subjectPublicKey
   */
  chunk_t bliss_public_key_encode(uint32_t *pubkey, bliss_param_set_t *set);
  
  /**
   * Encode a BLISS subjectPublicKeyInfo record in ASN.1 DER format
   *
   * @param oid		BLISS public key type OID
   * @param pubkey	coefficients of public key vector
   * @param set		BLISS parameter set for the public key vector
   * @result			ASN.1 encoded subjectPublicKeyInfo record
   */
  chunk_t bliss_public_key_info_encode(int oid, uint32_t *pubkey,
  									 bliss_param_set_t *set);
  
  /**
   * Generate a BLISS public key fingerprint
   *
   * @param oid		BLISS public key type OID
   * @param pubkey	coefficients of public key vector
   * @param set		BLISS parameter set for the public key vector
   * @param type		type of fingerprint to be generated
   * @param fp		generated fingerprint (must be freed by caller)
   * @result			TRUE if generation was successful
   */
  bool bliss_public_key_fingerprint(int oid, uint32_t *pubkey,
  								  bliss_param_set_t *set,
  								  cred_encoding_type_t type, chunk_t *fp);
  
  #endif /** BLISS_PUBLIC_KEY_H_ @}*/
  