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Missing piece of the previous commit.

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Ahem. I was sure I'd hit save!
This commit is contained in:
Simon Tatham 2019-05-05 20:43:16 +01:00
parent 03aeabfbea
commit 1d733808c3
1 changed files with 7 additions and 0 deletions
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7
unix/gtkask.c
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@ -80,6 +80,13 @@ static void cleanup_keypress_prng(void)
} }
static int choose_new_area(int prev_area) static int choose_new_area(int prev_area)
{ {
/*
* Don't actually put the passphrase keystrokes themselves into
* the PRNG; that doesn't seem like the course of wisdom when
* that's precisely what the information displayed on the screen
* is trying _not_ to be correlated to.
*/
noise_ultralight(NOISE_SOURCE_KEY, 0);
uint8_t data[8]; uint8_t data[8];
prng_read(keypress_prng, data, 8); prng_read(keypress_prng, data, 8);
uint64_t randval = GET_64BIT_MSB_FIRST(data); uint64_t randval = GET_64BIT_MSB_FIRST(data);