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| author | Matthew Garrett <mjg@redhat.com> | 2012-07-02 12:33:42 -0400 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2012-07-02 12:33:42 -0400 |
| commit | d259b1406044b430fe5786cd57e272bb9c57166d (patch) | |
| tree | 308e31c8b7338e11843ac324ce20b89d765c3f45 /Cryptlib/OpenSSL/crypto/ec/ec2_mult.c | |
| parent | 20094cb55d476c5d053cc73cec6e0d3f2a1c8d9a (diff) | |
| download | efi-boot-shim-d259b1406044b430fe5786cd57e272bb9c57166d.tar.gz efi-boot-shim-d259b1406044b430fe5786cd57e272bb9c57166d.zip | |
Update OpenSSL
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/ec/ec2_mult.c')
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/ec/ec2_mult.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Cryptlib/OpenSSL/crypto/ec/ec2_mult.c b/Cryptlib/OpenSSL/crypto/ec/ec2_mult.c index ff368fd7..7dca5e4b 100755 --- a/Cryptlib/OpenSSL/crypto/ec/ec2_mult.c +++ b/Cryptlib/OpenSSL/crypto/ec/ec2_mult.c @@ -318,6 +318,7 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, int ret = 0; size_t i; EC_POINT *p=NULL; + EC_POINT *acc = NULL; if (ctx == NULL) { @@ -337,15 +338,16 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, } if ((p = EC_POINT_new(group)) == NULL) goto err; + if ((acc = EC_POINT_new(group)) == NULL) goto err; - if (!EC_POINT_set_to_infinity(group, r)) goto err; + if (!EC_POINT_set_to_infinity(group, acc)) goto err; if (scalar) { if (!ec_GF2m_montgomery_point_multiply(group, p, scalar, group->generator, ctx)) goto err; - if (BN_is_negative(scalar)) + if (BN_is_negative(scalar)) if (!group->meth->invert(group, p, ctx)) goto err; - if (!group->meth->add(group, r, r, p, ctx)) goto err; + if (!group->meth->add(group, acc, acc, p, ctx)) goto err; } for (i = 0; i < num; i++) @@ -353,13 +355,16 @@ int ec_GF2m_simple_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar, if (!ec_GF2m_montgomery_point_multiply(group, p, scalars[i], points[i], ctx)) goto err; if (BN_is_negative(scalars[i])) if (!group->meth->invert(group, p, ctx)) goto err; - if (!group->meth->add(group, r, r, p, ctx)) goto err; + if (!group->meth->add(group, acc, acc, p, ctx)) goto err; } + if (!EC_POINT_copy(r, acc)) goto err; + ret = 1; err: if (p) EC_POINT_free(p); + if (acc) EC_POINT_free(acc); if (new_ctx != NULL) BN_CTX_free(new_ctx); return ret; |