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authorAndy Polyakov <appro@openssl.org>2015-02-21 13:51:56 +0100
committerKurt Roeckx <kurt@roeckx.be>2015-03-14 18:24:58 +0100
commit94be83127b08dc3977d2c14304aa61208db048d0 (patch)
tree207d1ec4f8a708abb187f2340fed2490a22f2e1e /crypto/ec
parentbe109b9eec79a90871e5deb7d6ede8c04f073884 (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)
Diffstat (limited to 'crypto/ec')
-rw-r--r--crypto/ec/ecp_nistp224.c2
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)