PR: 2632
Submitted by: emmanuel.azencot@bull.net Reviewed by: steve Return -1 immediately if not affine coordinates as BN_CTX has not been set up.
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@ -556,7 +556,7 @@ int ec_GF2m_simple_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_
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field_sqr = group->meth->field_sqr;
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/* only support affine coordinates */
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if (!point->Z_is_one) goto err;
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if (!point->Z_is_one) return -1;
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if (ctx == NULL)
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{
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