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ringct: encode 8 byte amount, saving 24 bytes per output

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Found by knaccc
This commit is contained in:
moneromooo-monero
2019-01-06 19:49:52 +00:00
parent cdc3ccec5f
commit 99d946e619
14 changed files with 93 additions and 34 deletions
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src/ringct/rctSigs.cpp
+4 -4
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@@ -716,7 +716,7 @@ namespace rct {
//mask amount and mask
rv.ecdhInfo[i].mask = copy(outSk[i].mask);
rv.ecdhInfo[i].amount = d2h(amounts[i]);
hwdev.ecdhEncode(rv.ecdhInfo[i], amount_keys[i]);
hwdev.ecdhEncode(rv.ecdhInfo[i], amount_keys[i], rv.type == RCTTypeBulletproof2);
}
//set txn fee
@@ -853,7 +853,7 @@ namespace rct {
//mask amount and mask
rv.ecdhInfo[i].mask = copy(outSk[i].mask);
rv.ecdhInfo[i].amount = d2h(outamounts[i]);
hwdev.ecdhEncode(rv.ecdhInfo[i], amount_keys[i]);
hwdev.ecdhEncode(rv.ecdhInfo[i], amount_keys[i], rv.type == RCTTypeBulletproof2);
}
//set txn fee
@@ -1151,7 +1151,7 @@ namespace rct {
//mask amount and mask
ecdhTuple ecdh_info = rv.ecdhInfo[i];
hwdev.ecdhDecode(ecdh_info, sk);
hwdev.ecdhDecode(ecdh_info, sk, rv.type == RCTTypeBulletproof2);
mask = ecdh_info.mask;
key amount = ecdh_info.amount;
key C = rv.outPk[i].mask;
@@ -1181,7 +1181,7 @@ namespace rct {
//mask amount and mask
ecdhTuple ecdh_info = rv.ecdhInfo[i];
hwdev.ecdhDecode(ecdh_info, sk);
hwdev.ecdhDecode(ecdh_info, sk, rv.type == RCTTypeBulletproof2);
mask = ecdh_info.mask;
key amount = ecdh_info.amount;
key C = rv.outPk[i].mask;