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Avoid reading an unused byte after the buffer

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Other curves don't have this problem.

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 9fbbdd73c58c29dc46cc314f7165e45e6d43fd60)
This commit is contained in:
Andy Polyakov 2015-02-21 13:51:56 +01:00 committed by Kurt Roeckx
parent a2fcab9978
commit eadc81e7dd
1 changed files with 1 additions and 1 deletions
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crypto/ec/ecp_nistp224.c
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@ -321,7 +321,7 @@ static void bin28_to_felem(felem out, const u8 in[28])
out[0] = *((const uint64_t *)(in)) & 0x00ffffffffffffff;
out[1] = (*((const uint64_t *)(in + 7))) & 0x00ffffffffffffff;
out[2] = (*((const uint64_t *)(in + 14))) & 0x00ffffffffffffff;
out[3] = (*((const uint64_t *)(in + 21))) & 0x00ffffffffffffff;
out[3] = (*((const uint64_t *)(in+20))) >> 8;
}
static void felem_to_bin28(u8 out[28], const felem in)