Differential D21389 Diff 61302 head/sys/opencrypto/xform_des1.c

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head/sys/opencrypto/xform_des1.c

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	};			};

	/*			/*
	* Encryption wrapper routines.			* Encryption wrapper routines.
	*/			*/
	static void			static void
	des1_encrypt(caddr_t key, u_int8_t *blk)			des1_encrypt(caddr_t key, u_int8_t *blk)
	{			{
	des_cblock cb = (des_cblock ) blk;
	des_key_schedule p = (des_key_schedule ) key;			des_key_schedule p = (des_key_schedule ) key;

	des_ecb_encrypt(cb, cb, p[0], DES_ENCRYPT);			des_ecb_encrypt(blk, blk, p[0], DES_ENCRYPT);
	}			}

	static void			static void
	des1_decrypt(caddr_t key, u_int8_t *blk)			des1_decrypt(caddr_t key, u_int8_t *blk)
	{			{
	des_cblock cb = (des_cblock ) blk;
	des_key_schedule p = (des_key_schedule ) key;			des_key_schedule p = (des_key_schedule ) key;

	des_ecb_encrypt(cb, cb, p[0], DES_DECRYPT);			des_ecb_encrypt(blk, blk, p[0], DES_DECRYPT);
	}			}

	static int			static int
	des1_setkey(u_int8_t *sched, const u_int8_t key, int len)			des1_setkey(u_int8_t *sched, const u_int8_t key, int len)
	{			{
	des_key_schedule *p;			des_key_schedule *p;
	int err;			int err;

	p = KMALLOC(sizeof (des_key_schedule),			p = KMALLOC(sizeof (des_key_schedule),
	M_CRYPTO_DATA, M_NOWAIT\|M_ZERO);			M_CRYPTO_DATA, M_NOWAIT\|M_ZERO);
	if (p != NULL) {			if (p != NULL) {
	des_set_key((const des_cblock *) key, p[0]);			des_set_key(key, p[0]);
	err = 0;			err = 0;
	} else			} else
	err = ENOMEM;			err = ENOMEM;
	sched = (u_int8_t ) p;			sched = (u_int8_t ) p;
	return err;			return err;
	}			}

	static void			static void
	des1_zerokey(u_int8_t **sched)			des1_zerokey(u_int8_t **sched)
	{			{
	bzero(*sched, sizeof (des_key_schedule));			bzero(*sched, sizeof (des_key_schedule));
	KFREE(*sched, M_CRYPTO_DATA);			KFREE(*sched, M_CRYPTO_DATA);
	*sched = NULL;			*sched = NULL;
	}			}