nhyatt/putty-source
1
0
Fork 0
mirror of https://git.tartarus.org/simon/putty.git synced 2025-01-10 01:48:00 +00:00
Code Issues Projects Releases Wiki Activity

get_random_data() can return NULL (for instance, if we can't open /dev/random

Browse Source 
on Unix), yet cmdgen failed to deal with this. Spotted by Darren Tucker.

[originally from svn r7396]
This commit is contained in:
Jacob Nevins 2007-03-13 14:43:14 +00:00
parent 2b0d1b0224
commit 36db0d6f72
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
cmdgen.c
View File

@ -640,6 +640,11 @@ int main(int argc, char **argv)
random_ref();
entropy = get_random_data(bits / 8);
if (!entropy) {
fprintf(stderr, "puttygen: failed to collect entropy, "
"could not generate key\n");
return 1;
}
random_add_heavynoise(entropy, bits / 8);
memset(entropy, 0, bits/8);
sfree(entropy);