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This commit is contained in:
Frank Denis 2017-12-06 15:34:06 +00:00
parent a916fff400
commit e985fe204c
1 changed files with 8 additions and 0 deletions
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8
src/libsodium/crypto_core/ed25519/ref10/ed25519_ref10.c
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@ -675,26 +675,34 @@ ge25519_double_scalarmult_vartime(ge25519_p2 *r, const unsigned char *a,
slide_vartime(bslide, b); slide_vartime(bslide, b);
ge25519_p3_to_cached(&Ai[0], A); ge25519_p3_to_cached(&Ai[0], A);
ge25519_p3_dbl(&t, A); ge25519_p3_dbl(&t, A);
ge25519_p1p1_to_p3(&A2, &t); ge25519_p1p1_to_p3(&A2, &t);
ge25519_add(&t, &A2, &Ai[0]); ge25519_add(&t, &A2, &Ai[0]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[1], &u); ge25519_p3_to_cached(&Ai[1], &u);
ge25519_add(&t, &A2, &Ai[1]); ge25519_add(&t, &A2, &Ai[1]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[2], &u); ge25519_p3_to_cached(&Ai[2], &u);
ge25519_add(&t, &A2, &Ai[2]); ge25519_add(&t, &A2, &Ai[2]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[3], &u); ge25519_p3_to_cached(&Ai[3], &u);
ge25519_add(&t, &A2, &Ai[3]); ge25519_add(&t, &A2, &Ai[3]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[4], &u); ge25519_p3_to_cached(&Ai[4], &u);
ge25519_add(&t, &A2, &Ai[4]); ge25519_add(&t, &A2, &Ai[4]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[5], &u); ge25519_p3_to_cached(&Ai[5], &u);
ge25519_add(&t, &A2, &Ai[5]); ge25519_add(&t, &A2, &Ai[5]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[6], &u); ge25519_p3_to_cached(&Ai[6], &u);
ge25519_add(&t, &A2, &Ai[6]); ge25519_add(&t, &A2, &Ai[6]);
ge25519_p1p1_to_p3(&u, &t); ge25519_p1p1_to_p3(&u, &t);
ge25519_p3_to_cached(&Ai[7], &u); ge25519_p3_to_cached(&Ai[7], &u);