219  * Note, this function disregards the nonce trailing the entropy data during
225  * @entropy buffer of seed data to be checked
233 				     const unsigned char *entropy)  in drbg_fips_continuous_test()  argument
250 		memcpy(drbg->prev, entropy, entropylen);  in drbg_fips_continuous_test()
255 	ret = memcmp(drbg->prev, entropy, entropylen);  in drbg_fips_continuous_test()
258 	memcpy(drbg->prev, entropy, entropylen);  in drbg_fips_continuous_test()
1062 					unsigned char *entropy,  in drbg_get_random_bytes()  argument
1068 		get_random_bytes(entropy, entropylen);  in drbg_get_random_bytes()
1069 		ret = drbg_fips_continuous_test(drbg, entropy);  in drbg_get_random_bytes()
1082 	unsigned char entropy[32];  in drbg_seed_from_random()  local
1086 	BUG_ON(entropylen > sizeof(entropy));  in drbg_seed_from_random()
1088 	drbg_string_fill(&data, entropy, entropylen);  in drbg_seed_from_random()
1091 	ret = drbg_get_random_bytes(drbg, entropy, entropylen);  in drbg_seed_from_random()
1098 	memzero_explicit(entropy, entropylen);  in drbg_seed_from_random()
1111 	 * Obtain fresh entropy for the nopr DRBGs after 300s have  in drbg_nopr_reseed_interval_elapsed()
1137 	unsigned char entropy[((32 + 16) * 2)];  in drbg_seed()  local
1153 		pr_devel("DRBG: using test entropy\n");  in drbg_seed()
1156 		 * Gather entropy equal to the security strength of the DRBG.  in drbg_seed()
1158 		 * to the entropy. A nonce must be at least 1/2 of the security  in drbg_seed()
1159 		 * strength of the DRBG in size. Thus, entropy + nonce is 3/2  in drbg_seed()
1166 		BUG_ON((entropylen * 2) > sizeof(entropy));  in drbg_seed()
1172 		ret = drbg_get_random_bytes(drbg, entropy, entropylen);  in drbg_seed()
1177 			drbg_string_fill(&data1, entropy, entropylen);  in drbg_seed()
1178 			pr_devel("DRBG: (re)seeding with %u bytes of entropy\n",  in drbg_seed()
1186 						   entropy + entropylen,  in drbg_seed()
1209 			drbg_string_fill(&data1, entropy, entropylen * 2);  in drbg_seed()
1210 			pr_devel("DRBG: (re)seeding with %u bytes of entropy\n",  in drbg_seed()
1217 	 * concatenation of entropy with personalization str / addtl input)  in drbg_seed()
1234 	memzero_explicit(entropy, entropylen * 2);  in drbg_seed()
1362  *	  the entropy is pulled by the DRBG internally unconditionally
1364  *	  the state in addition to the pulled entropy.
1549  *	 the entropy is pulled by the DRBG internally unconditionally
1551  *	 the state in addition to the pulled entropy.