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Fix KyberSlash Issue

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This commit is contained in:
isrand
2025-03-06 10:49:20 +01:00
parent 289aa07ee2
commit 59d274df75
3 changed files with 18 additions and 3 deletions
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7
kyber1024.js
View File

@@ -457,7 +457,12 @@ function polyToMsg(a) {
for (let i = 0; i < paramsN / 8; i++) {
msg[i] = 0;
for (let j = 0; j < 8; j++) {
t = (((uint16(a2[8 * i + j]) << 1) + uint16(paramsQ / 2)) / uint16(paramsQ)) & 1;
t = uint32(a2[8 * i + j]);
t <<= 1;
t += 1665;
t *= 80635;
t >>= 28;
t &= 1;
msg[i] |= byte(t << j);
}
}

7
kyber512.js
View File

@@ -458,7 +458,12 @@ function polyToMsg(a) {
for (let i = 0; i < paramsN / 8; i++) {
msg[i] = 0;
for (let j = 0; j < 8; j++) {
t = (((uint16(a2[8 * i + j]) << 1) + uint16(paramsQ / 2)) / uint16(paramsQ)) & 1;
t = uint32(a2[8 * i + j]);
t <<= 1;
t += 1665;
t *= 80635;
t >>= 28;
t &= 1;
msg[i] |= byte(t << j);
}
}

7
kyber768.js
View File

@@ -458,7 +458,12 @@ function polyToMsg(a) {
for (let i = 0; i < paramsN / 8; i++) {
msg[i] = 0;
for (let j = 0; j < 8; j++) {
t = (((uint16(a2[8 * i + j]) << 1) + uint16(paramsQ / 2)) / uint16(paramsQ)) & 1;
t = uint32(a2[8 * i + j]);
t <<= 1;
t += 1665;
t *= 80635;
t >>= 28;
t &= 1;
msg[i] |= byte(t << j);
}
}