check return value
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@ -402,6 +402,11 @@ BN_BLINDING *RSA_setup_blinding(RSA *rsa, BN_CTX *in_ctx)
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ret = BN_BLINDING_create_param(NULL, e, rsa->n, ctx,
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rsa->meth->bn_mod_exp, rsa->_method_mod_n);
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if (ret == NULL)
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{
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RSAerr(RSA_F_RSA_SETUP_BLINDING, ERR_R_BN_LIB);
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goto err;
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}
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BN_BLINDING_set_thread_id(ret, CRYPTO_thread_id());
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err:
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BN_CTX_end(ctx);
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