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This commit is contained in:
Frank Denis 2020-10-06 12:58:15 +02:00
parent e945207b77
commit 29041d8ba1
1 changed files with 4 additions and 0 deletions
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src/libsodium/crypto_core/ed25519/ref10/ed25519_ref10.c
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@ -116,6 +116,10 @@ fe25519_invert(fe25519 out, const fe25519 z)
fe25519_mul(out, t1, t0);
}
/*
* returns z^((p-5)/8) = z^(2^252-3)
* used to compute square roots since we have p=5 (mod 8); see Cohen and Frey.
*/
static void
fe25519_pow22523(fe25519 out, const fe25519 z)
{