diff --git a/src/arc4random.c b/src/arc4random.c index 2e894ef..643c495 100644 --- a/src/arc4random.c +++ b/src/arc4random.c @@ -42,6 +42,8 @@ #define ARC4R_IVSZ 8 #define ARC4R_BLOCKSZ 64 #define ARC4R_RSBUFSZ (16*ARC4R_BLOCKSZ) +#define REKEY_BASE (1024*1024) //base 2 + typedef struct { @@ -110,7 +112,7 @@ static void _rs_stir(rand_state* st) { u8 rnd[ARC4R_KEYSZ + ARC4R_IVSZ]; - + uint32_t rekey_fuzz = 0; int r = getentropy(rnd, sizeof rnd); assert(r == 0); @@ -120,8 +122,10 @@ _rs_stir(rand_state* st) /* invalidate rs_buf */ st->rs_have = 0; memset(st->rs_buf, 0, sizeof st->rs_buf); - - st->rs_count = 1600000; + + //st->rs_count = 1600000; + chacha_encrypt_bytes(&st->rs_chacha, (uint8_t *)&rekey_fuzz,(uint8_t *)&rekey_fuzz, sizeof(rekey_fuzz)); + st->rs_count = REKEY_BASE + (rekey_fuzz % REKEY_BASE); }