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head/sys/dev/random/fortuna.c
| Show First 20 Lines • Show All 483 Lines • ▼ Show 20 Lines | if (locked) { | ||||
| MPASS(!random_chachamode); | MPASS(!random_chachamode); | ||||
| chunk_size = RANDOM_FORTUNA_MAX_READ; | chunk_size = RANDOM_FORTUNA_MAX_READ; | ||||
| } | } | ||||
| chunk_size = MIN(bytecount, chunk_size); | chunk_size = MIN(bytecount, chunk_size); | ||||
| if (!random_chachamode) | if (!random_chachamode) | ||||
| chunk_size = rounddown(chunk_size, RANDOM_BLOCKSIZE); | chunk_size = rounddown(chunk_size, RANDOM_BLOCKSIZE); | ||||
| while (bytecount >= chunk_size) { | while (bytecount >= chunk_size && chunk_size > 0) { | ||||
| randomdev_keystream(p_key, p_counter, buf, chunk_size); | randomdev_keystream(p_key, p_counter, buf, chunk_size); | ||||
| buf += chunk_size; | buf += chunk_size; | ||||
| bytecount -= chunk_size; | bytecount -= chunk_size; | ||||
| /* We have to rekey if there is any data remaining to be | /* We have to rekey if there is any data remaining to be | ||||
| * generated, in two scenarios: | * generated, in two scenarios: | ||||
| * | * | ||||
| ▲ Show 20 Lines • Show All 220 Lines • Show Last 20 Lines | |||||