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-rw-r--r--src/lib/pubkey/rsa/rsa.cpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/lib/pubkey/rsa/rsa.cpp b/src/lib/pubkey/rsa/rsa.cpp
index bd02d1f19..a3b40df02 100644
--- a/src/lib/pubkey/rsa/rsa.cpp
+++ b/src/lib/pubkey/rsa/rsa.cpp
@@ -117,11 +117,8 @@ RSA_PrivateKey::RSA_PrivateKey(const BigInt& prime1,
if(m_d == 0)
{
- BigInt inv_for_d = lcm(m_p - 1, m_q - 1);
- if(m_e.is_even())
- inv_for_d >>= 1;
-
- m_d = inverse_mod(m_e, inv_for_d);
+ const BigInt phi_n = lcm(m_p - 1, m_q - 1);
+ m_d = inverse_mod(m_e, phi_n);
}
m_d1 = m_d % (m_p - 1);