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Check inputs to addKeys are in range

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Reported by QuarksLab.
This commit is contained in:
moneromooo-monero 2018-07-24 20:17:32 +01:00
parent fe0fa3b9c5
commit a1359ad43c
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GPG key ID: 686F07454D6CEFC3
2 changed files with 6 additions and 0 deletions
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4
src/ringct/rctSigs.cpp
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@ -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);