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Merged
copybara-service merged 1 commit into from
Aug 3, 2026
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No public description #70

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3 changes: 1 addition & 2 deletions shell_encryption/ntt_parameters.h
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,6 @@ rlwe::StatusOr<ModularInt> PrimitiveNthRootOfUnity(

// Test each number t to see whether t^k is a primitive n-th root
// of unity - that t^{nk} is a root of unity but t^{(n/2)k} is not.
ModularInt one = ModularInt::ImportOne(params);
for (typename ModularInt::Int t = params->Two(); t < params->modulus;
t = t + params->One()) {
// Produce a candidate root of unity.
Expand All @@ -60,7 +59,7 @@ rlwe::StatusOr<ModularInt> PrimitiveNthRootOfUnity(

// Check whether candidate^half_n = 1. If not, it is a primitive root of
// unity.
if (candidate.ModExp(half_n, params) != one) {
if (candidate.ModExp(half_n, params).ExportInt(params) != 1) {
return candidate;
}
}
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