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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#import "XMPPSCRAMAuth.h"
#import "XMPPExceptions.h"
#define HMAC_IPAD 0x36
#define HMAC_OPAD 0x5c
#ifndef HAVE_ARC4RANDOM_UNIFORM
extern uint32_t arc4random_uniform(uint32_t);
#endif
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <assert.h>
#include <openssl/rand.h>
#import "XMPPSCRAMAuth.h"
#import "XMPPExceptions.h"
#define HMAC_IPAD 0x36
#define HMAC_OPAD 0x5c
@implementation XMPPSCRAMAuth
+ SCRAMAuthWithAuthcid: (OFString*)authcid
password: (OFString*)password
hash: (Class)hash;
{
return [[[self alloc] initWithAuthcid: authcid
password: password
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reason: value];
[pool release];
}
- (OFString*)XMPP_genNonce
{
OFMutableString *nonce = [OFMutableString string];
uint32_t res, i;
while ((res = arc4random_uniform('~' - '!' + 1) + '!') == ',');
[nonce appendFormat: @"%c", res];
return nonce;
}
- (uint8_t*)XMPP_HMACWithKey: (OFDataArray*)key
data: (OFDataArray*)data
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFDataArray *k = [OFDataArray dataArrayWithItemSize: 1];
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reason: value];
[pool release];
}
- (OFString*)XMPP_genNonce
{
uint8_t buf[64];
size_t i;
assert(RAND_pseudo_bytes(buf, 64) >= 0);
for (i = 0; i < 64; i++) {
uint8_t tmp = (buf[i] % ('~' - '!')) + '!';
while (tmp == ',')
tmp = ((buf[i] >> 1) % ('~' - '!')) + '!';
buf[i] = tmp;
}
return [OFString stringWithCString: (char*)buf
length: 64];
}
- (uint8_t*)XMPP_HMACWithKey: (OFDataArray*)key
data: (OFDataArray*)data
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFDataArray *k = [OFDataArray dataArrayWithItemSize: 1];
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