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Unbreak unchecked_sqrt if pointers are distinct

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This commit is contained in:
Frank Denis 2020-10-06 13:27:09 +02:00
parent 29041d8ba1
commit 0263be7a15
1 changed files with 2 additions and 2 deletions
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src/libsodium/crypto_core/ed25519/ref10/ed25519_ref10.c
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@ -195,8 +195,8 @@ fe25519_unchecked_sqrt(fe25519 x, const fe25519 x2)
fe25519 m_root2;
fe25519 e;
fe25519_pow22523(e, x);
fe25519_mul(p_root, e, x);
fe25519_pow22523(e, x2);
fe25519_mul(p_root, e, x2);
fe25519_mul(m_root, p_root, fe25519_sqrtm1);
fe25519_sq(m_root2, m_root);
fe25519_sub(e, x2, m_root2);