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authormoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-07-24 20:17:32 +0100
committermoneromooo-monero <moneromooo-monero@users.noreply.github.com>2018-09-11 13:38:09 +0000
commita1359ad43c9263c919f8c39b54224ac9fc992d74 (patch)
tree3ca8115f43472766631671e976946b13c272034d /src/ringct/rctSigs.cpp
parentbulletproofs: reject x, y, z, or w[i] being zero (diff)
downloadmonero-a1359ad43c9263c919f8c39b54224ac9fc992d74.tar.xz
Check inputs to addKeys are in range
Reported by QuarksLab.
Diffstat (limited to 'src/ringct/rctSigs.cpp')
-rw-r--r--src/ringct/rctSigs.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ringct/rctSigs.cpp b/src/ringct/rctSigs.cpp
index dbbf29fd1..ae58ad12c 100644
--- a/src/ringct/rctSigs.cpp
+++ b/src/ringct/rctSigs.cpp
@@ -1108,6 +1108,8 @@ namespace rct {
DP("C");
DP(C);
key Ctmp;
+ CHECK_AND_ASSERT_THROW_MES(sc_check(mask.bytes) == 0, "warning, bad ECDH mask");
+ CHECK_AND_ASSERT_THROW_MES(sc_check(amount.bytes) == 0, "warning, bad ECDH amount");
addKeys2(Ctmp, mask, amount, H);
DP("Ctmp");
DP(Ctmp);
@@ -1136,6 +1138,8 @@ namespace rct {
DP("C");
DP(C);
key Ctmp;
+ CHECK_AND_ASSERT_THROW_MES(sc_check(mask.bytes) == 0, "warning, bad ECDH mask");
+ CHECK_AND_ASSERT_THROW_MES(sc_check(amount.bytes) == 0, "warning, bad ECDH amount");
addKeys2(Ctmp, mask, amount, H);
DP("Ctmp");
DP(Ctmp);