194 			struct wusb_mac_scratch *scratch,  in wusb_ccm_mac()  argument
212 	WARN_ON(sizeof(*a) != sizeof(scratch->b1) - sizeof(scratch->b1.la));  in wusb_ccm_mac()
213 	WARN_ON(sizeof(scratch->b0) != sizeof(struct aes_ccm_block));  in wusb_ccm_mac()
214 	WARN_ON(sizeof(scratch->b1) != sizeof(struct aes_ccm_block));  in wusb_ccm_mac()
215 	WARN_ON(sizeof(scratch->ax) != sizeof(struct aes_ccm_block));  in wusb_ccm_mac()
221 	dst_size = blen + sizeof(scratch->b0) + sizeof(scratch->b1) +  in wusb_ccm_mac()
232 	scratch->b0.flags = 0x59;	/* Format B0 */  in wusb_ccm_mac()
233 	scratch->b0.ccm_nonce = *n;  in wusb_ccm_mac()
234 	scratch->b0.lm = cpu_to_be16(0);	/* WUSB1.0[6.5] sez l(m) is 0 */  in wusb_ccm_mac()
243 	scratch->b1.la = cpu_to_be16(blen + 14);  in wusb_ccm_mac()
244 	memcpy(&scratch->b1.mac_header, a, sizeof(*a));  in wusb_ccm_mac()
247 	sg_set_buf(&sg[0], &scratch->b0, sizeof(scratch->b0));  in wusb_ccm_mac()
248 	sg_set_buf(&sg[1], &scratch->b1, sizeof(scratch->b1));  in wusb_ccm_mac()
273 	scratch->ax.flags = 0x01;		/* as per WUSB 1.0 spec */  in wusb_ccm_mac()
274 	scratch->ax.ccm_nonce = *n;  in wusb_ccm_mac()
275 	scratch->ax.counter = 0;  in wusb_ccm_mac()
276 	crypto_cipher_encrypt_one(tfm_aes, (void *)&scratch->ax,  in wusb_ccm_mac()
277 				  (void *)&scratch->ax);  in wusb_ccm_mac()
278 	bytewise_xor(mic, &scratch->ax, iv, 8);  in wusb_ccm_mac()
303 	struct wusb_mac_scratch *scratch;  in wusb_prf()  local
330 	scratch = kmalloc(sizeof(*scratch), GFP_KERNEL);  in wusb_prf()
331 	if (!scratch) {  in wusb_prf()
339 		result = wusb_ccm_mac(tfm_cbc, tfm_aes, scratch, out + bytes,  in wusb_prf()
347 	kfree(scratch);  in wusb_prf()