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rct: make the amount key derivable by a third party with the tx key

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Scheme design from luigi1114.
This commit is contained in:
moneromooo-monero 2016-07-24 17:53:34 +01:00
parent cf33e1a52a
commit 9b70856ccb
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GPG key ID: 686F07454D6CEFC3
12 changed files with 141 additions and 93 deletions
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4
tests/unit_tests/serialization.cpp
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@ -554,6 +554,7 @@ TEST(Serialization, serializes_ringct_types)
sc.push_back(sctmp);
pc.push_back(pctmp);
vector<uint64_t> amounts;
rct::keyV amount_keys;
//add output 500
amounts.push_back(500);
rct::keyV destinations;
@ -562,10 +563,11 @@ TEST(Serialization, serializes_ringct_types)
destinations.push_back(Pk);
//add output for 12500
amounts.push_back(12500);
amount_keys.push_back(rct::hash_to_scalar(rct::zero()));
rct::skpkGen(Sk, Pk);
destinations.push_back(Pk);
//compute rct data with mixin 500
s0 = rct::genRct(rct::zero(), sc, pc, destinations, amounts, 3);
s0 = rct::genRct(rct::zero(), sc, pc, destinations, amounts, amount_keys, 3);
mg0 = s0.MG;
ASSERT_TRUE(serialization::dump_binary(mg0, blob));