monero-project/monero
monero-project/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2024-11-17 16:27:39 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

keccak: fix mdlen bounds sanity checking

Browse source 
found by h908714124
This commit is contained in:
moneromooo-monero 2018-02-07 13:39:32 +00:00
parent 2e3e90acbe
commit e4646379a6
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
1 changed files with 2 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/crypto/keccak.c
View file

@ -81,7 +81,8 @@ void keccak(const uint8_t *in, size_t inlen, uint8_t *md, int mdlen)
uint8_t temp[144]; uint8_t temp[144];
size_t i, rsiz, rsizw; size_t i, rsiz, rsizw;
if (mdlen <= 0 || mdlen > 200 || sizeof(st) != 200) static_assert(HASH_DATA_AREA <= sizeof(temp), "Bad keccak preconditions");
if (mdlen <= 0 || (mdlen > 100 && sizeof(st) != (size_t)mdlen))
{ {
fprintf(stderr, "Bad keccak use"); fprintf(stderr, "Bad keccak use");
abort(); abort();