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author | Andy Polyakov <appro@openssl.org> | 2015-02-21 13:51:56 +0100 |
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committer | Kurt Roeckx <kurt@roeckx.be> | 2015-03-14 18:31:54 +0100 |
commit | eadc81e7dd3fde473a9e38a57b4c29cf6b699110 (patch) | |
tree | 6654f78464cad0548a9ffd31a574365a10933877 | |
parent | a2fcab9978a0905c4286051993da63329fda8a19 (diff) |
Avoid reading an unused byte after the buffer
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)
-rw-r--r-- | crypto/ec/ecp_nistp224.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/ec/ecp_nistp224.c b/crypto/ec/ecp_nistp224.c index 9a59ef0c19..ed09f97ade 100644 --- a/crypto/ec/ecp_nistp224.c +++ b/crypto/ec/ecp_nistp224.c @@ -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) |