100 	u8 *buf;  member
203 	char buf[16];  in prng_tdes_seed()  local
206 	BUG_ON(nbytes > sizeof(buf));  in prng_tdes_seed()
208 	get_random_bytes(buf, nbytes);  in prng_tdes_seed()
212 		*((__u64 *)prng_data->prngws.parm_block) ^= *((__u64 *)(buf+i));  in prng_tdes_seed()
238 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_tdes_instantiate()
332 	u8 buf[sizeof(random)];  in prng_sha512_selftest()  local
352 		   &ws, buf, sizeof(buf), NULL, 0);  in prng_sha512_selftest()
354 		   &ws, buf, sizeof(buf), NULL, 0);  in prng_sha512_selftest()
357 	if (memcmp(buf, random, sizeof(random)) != 0) {  in prng_sha512_selftest()
387 	prng_data->buf = ((u8 *)prng_data) + sizeof(struct prng_data_s);  in prng_sha512_instantiate()
428 		prng_data->prev = prng_data->buf + prng_chunk_size;  in prng_sha512_instantiate()
476 static int prng_sha512_generate(u8 *buf, size_t nbytes)  in prng_sha512_generate()  argument
489 		   &prng_data->prnows, buf, nbytes, NULL, 0);  in prng_sha512_generate()
493 		if (!memcmp(prng_data->prev, buf, nbytes)) {  in prng_sha512_generate()
497 		memcpy(prng_data->prev, buf, nbytes);  in prng_sha512_generate()
552 		*((unsigned long long *)prng_data->buf) = get_tod_clock_fast();  in prng_tdes_read()
568 			  prng_data->buf, prng_data->buf, n);  in prng_tdes_read()
573 		if (copy_to_user(ubuf, prng_data->buf, chunk)) {  in prng_tdes_read()
623 			p = prng_data->buf + prng_chunk_size - prng_data->rest;  in prng_sha512_read()
629 			p = prng_data->buf;  in prng_sha512_read()
694 				   char *buf)  in prng_chunksize_show()  argument
696 	return snprintf(buf, PAGE_SIZE, "%u\n", prng_chunk_size);  in prng_chunksize_show()
703 				 char *buf)  in prng_counter_show()  argument
715 	return snprintf(buf, PAGE_SIZE, "%llu\n", counter);  in prng_counter_show()
722 				   char *buf)  in prng_errorflag_show()  argument
724 	return snprintf(buf, PAGE_SIZE, "%d\n", prng_errorflag);  in prng_errorflag_show()
731 			      char *buf)  in prng_mode_show()  argument
734 		return snprintf(buf, PAGE_SIZE, "TDES\n");  in prng_mode_show()
736 		return snprintf(buf, PAGE_SIZE, "SHA512\n");  in prng_mode_show()
743 				 const char *buf, size_t count)  in prng_reseed_store()  argument
757 				      char *buf)  in prng_reseed_limit_show()  argument
759 	return snprintf(buf, PAGE_SIZE, "%u\n", prng_reseed_limit);  in prng_reseed_limit_show()
763 				       const char *buf, size_t count)  in prng_reseed_limit_store()  argument
767 	if (sscanf(buf, "%u\n", &limit) != 1)  in prng_reseed_limit_store()
788 				  char *buf)  in prng_strength_show()  argument
790 	return snprintf(buf, PAGE_SIZE, "256\n");  in prng_strength_show()