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rct amount key modified as per luigi1111's recommendations

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This allows the key to be not the same for two outputs sent to
the same address (eg, if you pay yourself, and also get change
back). Also remove the key amounts lists and return parameters
since we don't actually generate random ones, so we don't need
to save them as we can recalculate them when needed if we have
the correct keys.
This commit is contained in:
moneromooo-monero 2016-08-10 12:48:20 +01:00
parent 93f5c625f0
commit d4b62a1e29
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
15 changed files with 85 additions and 133 deletions
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16
tests/unit_tests/ringct.cpp
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@ -196,7 +196,7 @@ TEST(ringct, range_proofs)
ASSERT_TRUE(verRct(s));
//decode received amount
ASSERT_TRUE(decodeRctFromSharedSecret(s, amount_keys[1], 1, mask));
ASSERT_TRUE(decodeRct(s, amount_keys[1], 1, mask));
// Ring CT with failing MG sig part should not verify!
// Since sum of inputs != outputs
@ -213,7 +213,7 @@ TEST(ringct, range_proofs)
ASSERT_FALSE(verRct(s));
//decode received amount
ASSERT_TRUE(decodeRctFromSharedSecret(s, amount_keys[1], 1, mask));
ASSERT_TRUE(decodeRct(s, amount_keys[1], 1, mask));
}
TEST(ringct, range_proofs_with_fee)
@ -261,7 +261,7 @@ TEST(ringct, range_proofs_with_fee)
ASSERT_TRUE(verRct(s));
//decode received amount
ASSERT_TRUE(decodeRctFromSharedSecret(s, amount_keys[1], 1, mask));
ASSERT_TRUE(decodeRct(s, amount_keys[1], 1, mask));
// Ring CT with failing MG sig part should not verify!
// Since sum of inputs != outputs
@ -278,7 +278,7 @@ TEST(ringct, range_proofs_with_fee)
ASSERT_FALSE(verRct(s));
//decode received amount
ASSERT_TRUE(decodeRctFromSharedSecret(s, amount_keys[1], 1, mask));
ASSERT_TRUE(decodeRct(s, amount_keys[1], 1, mask));
}
TEST(ringct, simple)
@ -336,7 +336,7 @@ TEST(ringct, simple)
ASSERT_TRUE(verRctSimple(s));
//decode received amount corresponding to output pubkey index 1
ASSERT_TRUE(decodeRctSimpleFromSharedSecret(s, amount_keys[1], 1, mask));
ASSERT_TRUE(decodeRctSimple(s, amount_keys[1], 1, mask));
}
static rct::rctSig make_sample_rct_sig(int n_inputs, const uint64_t input_amounts[], int n_outputs, const uint64_t output_amounts[], bool last_is_fee)
@ -843,17 +843,17 @@ static const xmr_amount test_amounts[]={0, 1, 2, 3, 4, 5, 10000, 100000000000000
TEST(ringct, ecdh_roundtrip)
{
key k, P1;
key k;
ecdhTuple t0, t1;
for (auto amount: test_amounts) {
skpkGen(k, P1);
skGen(k);
t0.mask = skGen();
t0.amount = d2h(amount);
t1 = t0;
ecdhEncode(t1, P1);
ecdhEncode(t1, k);
ecdhDecode(t1, k);
ASSERT_TRUE(t0.mask == t1.mask);
ASSERT_TRUE(equalKeys(t0.mask, t1.mask));