/xmlbench/trunk

#include <assert.h>

/**

 * load_rsa_keys:

 * @key_file:		the key filename.

 *

 * Creates simple keys manager and load RSA key from #key_file in it.

 * The caller is responsible for destroing returned keys manager using

 * @xmlSecKeysMngrDestroy.

 *

 * Returns the pointer to newly created keys manager or NULL if an error

 * occurs.

 */

xmlSecKeysMngrPtr 

load_rsa_keys(const char* key_file, const char* cert_file, const char* key_name) {

    xmlSecKeysMngrPtr mngr;

    xmlSecKeyPtr key;

    assert(key_file);

    assert(key_name);

    /* create and initialize keys manager, we use a simple list based

     * keys manager, implement your own xmlSecKeysStore klass if you need

     * something more sophisticated 

     */

    mngr = xmlSecKeysMngrCreate();

    if(mngr == NULL) {

	fprintf(stderr, "Error: failed to create keys manager.\n");

	return(NULL);

    }

    if(xmlSecCryptoAppDefaultKeysMngrInit(mngr) < 0) {

	fprintf(stderr, "Error: failed to initialize keys manager.\n");

	xmlSecKeysMngrDestroy(mngr);

	return(NULL);

    }    

    /* load private RSA key */

#if XMLSEC_VERSION_MINOR >= 2

    if (!cert_file)

	key = xmlSecCryptoAppKeyLoad(key_file, xmlSecKeyDataFormatCertPem /*Der,Binary,Unknown*/, NULL/*pwd*/, NULL/*pwd callback*/, NULL/*pwd callback ctx*/);

    else

#endif

	key = xmlSecCryptoAppKeyLoad(key_file, xmlSecKeyDataFormatPem /*Der,Binary,Unknown*/, NULL/*pwd*/, NULL/*pwd callback*/, NULL/*pwd callback ctx*/);

    if(key == NULL) {

        fprintf(stderr,"Error: failed to load rsa key from file \"%s\"\n", key_file);

        xmlSecKeysMngrDestroy(mngr);

        return(NULL);

    }

    if (cert_file) {

        if(xmlSecCryptoAppKeyCertLoad(key, cert_file, xmlSecKeyDataFormatPem) < 0) {

		fprintf(stderr,"Error: failed to load pem certificate \"%s\"\n", cert_file);

		return(NULL);

	}

    }

    /* set key name to the file name, this is just an example! */

    if(xmlSecKeySetName(key, BAD_CAST key_name) < 0) {

        fprintf(stderr,"Error: failed to set key name for key from \"%s\"\n", key_file);

        xmlSecKeyDestroy(key);	

	xmlSecKeysMngrDestroy(mngr);

	return(NULL);

    }

    /* add key to keys manager, from now on keys manager is responsible 

     * for destroying key 

     */

    if(xmlSecCryptoAppDefaultKeysMngrAdoptKey(mngr, key) < 0) {

        fprintf(stderr,"Error: failed to add key from \"%s\" to keys manager\n", key_file);

        xmlSecKeyDestroy(key);

        xmlSecKeysMngrDestroy(mngr);

        return(NULL);

    }

    return(mngr);

}