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check accessing an element past the end of a container

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moneromooo-monero 2017-12-12 11:08:11 +00:00
parent 2305bf260d
commit b49ddc766d
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
8 changed files with 46 additions and 12 deletions
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3
src/ringct/rctOps.cpp
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@ -76,6 +76,7 @@ namespace rct {
//Generates a vector of secret key
//Mainly used in testing
keyV skvGen(size_t rows ) {
CHECK_AND_ASSERT_THROW_MES(rows > 0, "0 keys requested");
keyV rv(rows);
size_t i = 0;
crypto::rand(rows * sizeof(key), (uint8_t*)&rv[0]);
@ -351,6 +352,7 @@ namespace rct {
//This takes the outputs and commitments
//and hashes them into a 32 byte sized key
key cn_fast_hash(const ctkeyV &PC) {
if (PC.empty()) return rct::hash2rct(crypto::cn_fast_hash("", 0));
key rv;
cn_fast_hash(rv, &PC[0], 64*PC.size());
return rv;
@ -367,6 +369,7 @@ namespace rct {
//put them in the key vector and it concatenates them
//and then hashes them
key cn_fast_hash(const keyV &keys) {
if (keys.empty()) return rct::hash2rct(crypto::cn_fast_hash("", 0));
key rv;
cn_fast_hash(rv, &keys[0], keys.size() * sizeof(keys[0]));
//dp(rv);