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Clear GCC unknown pragma warning

pull/836/head
Jeffrey Walton 2019-05-17 04:12:32 -04:00
parent 88c0789660
commit d112d4d1b0
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GPG Key ID: B36AB348921B1838
1 changed files with 13 additions and 0 deletions
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13
rw.cpp
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@ -126,6 +126,7 @@ void InvertibleRWFunction::PrecomputeTweakedRoots() const
{ {
ModularArithmetic modp(m_p), modq(m_q); ModularArithmetic modp(m_p), modq(m_q);
#ifdef _OPENMP
#pragma omp parallel sections if(CRYPTOPP_RW_USE_OMP) #pragma omp parallel sections if(CRYPTOPP_RW_USE_OMP)
{ {
#pragma omp section #pragma omp section
@ -135,6 +136,11 @@ void InvertibleRWFunction::PrecomputeTweakedRoots() const
#pragma omp section #pragma omp section
m_pre_q_p = modp.Exponentiate(m_q, m_p - 2); m_pre_q_p = modp.Exponentiate(m_q, m_p - 2);
} }
#else
m_pre_2_9p = modp.Exponentiate(2, (9 * m_p - 11)/8);
m_pre_2_3q = modq.Exponentiate(2, (3 * m_q - 5)/8);
m_pre_q_p = modp.Exponentiate(m_q, m_p - 2);
#endif
m_precompute = true; m_precompute = true;
} }
@ -223,6 +229,7 @@ Integer InvertibleRWFunction::CalculateInverse(RandomNumberGenerator &rng, const
else else
f = 2; f = 2;
#ifdef _OPENMP
Integer W, X; Integer W, X;
#pragma omp parallel sections if(CRYPTOPP_RW_USE_OMP) #pragma omp parallel sections if(CRYPTOPP_RW_USE_OMP)
{ {
@ -236,6 +243,12 @@ Integer InvertibleRWFunction::CalculateInverse(RandomNumberGenerator &rng, const
X = (f.IsUnit() ? t : modp.Multiply(m_pre_2_9p, t)); X = (f.IsUnit() ? t : modp.Multiply(m_pre_2_9p, t));
} }
} }
#else
const Integer W = (f.IsUnit() ? U : modq.Multiply(m_pre_2_3q, U));
const Integer t = modp.Multiply(modp.Exponentiate(V, 3), eh);
const Integer X = (f.IsUnit() ? t : modp.Multiply(m_pre_2_9p, t));
#endif
const Integer Y = W + q * modp.Multiply(m_pre_q_p, (X - W)); const Integer Y = W + q * modp.Multiply(m_pre_q_p, (X - W));
// Signature // Signature