271 	BN_CTX		*bnctx = NULL;  in es256_pk_to_EVP_PKEY()  local
280 	if ((bnctx = BN_CTX_new()) == NULL)  in es256_pk_to_EVP_PKEY()
283 	BN_CTX_start(bnctx);  in es256_pk_to_EVP_PKEY()
285 	if ((x = BN_CTX_get(bnctx)) == NULL ||  in es256_pk_to_EVP_PKEY()
286 	    (y = BN_CTX_get(bnctx)) == NULL)  in es256_pk_to_EVP_PKEY()
302 	    EC_POINT_set_affine_coordinates_GFp(g, q, x, y, bnctx) == 0 ||  in es256_pk_to_EVP_PKEY()
318 	if (bnctx != NULL) {  in es256_pk_to_EVP_PKEY()
319 		BN_CTX_end(bnctx);  in es256_pk_to_EVP_PKEY()
320 		BN_CTX_free(bnctx);  in es256_pk_to_EVP_PKEY()
339 	BN_CTX		*bnctx = NULL;  in es256_pk_from_EC_KEY()  local
352 	    (bnctx = BN_CTX_new()) == NULL)  in es256_pk_from_EC_KEY()
355 	BN_CTX_start(bnctx);  in es256_pk_from_EC_KEY()
357 	if ((x = BN_CTX_get(bnctx)) == NULL ||  in es256_pk_from_EC_KEY()
358 	    (y = BN_CTX_get(bnctx)) == NULL)  in es256_pk_from_EC_KEY()
361 	if (EC_POINT_is_on_curve(g, q, bnctx) != 1) {  in es256_pk_from_EC_KEY()
367 	if (EC_POINT_get_affine_coordinates_GFp(g, q, x, y, bnctx) == 0 ||  in es256_pk_from_EC_KEY()
388 	if (bnctx != NULL) {  in es256_pk_from_EC_KEY()
389 		BN_CTX_end(bnctx);  in es256_pk_from_EC_KEY()
390 		BN_CTX_free(bnctx);  in es256_pk_from_EC_KEY()
411 	BN_CTX		*bnctx = NULL;  in es256_sk_to_EVP_PKEY()  local
417 	if ((bnctx = BN_CTX_new()) == NULL)  in es256_sk_to_EVP_PKEY()
420 	BN_CTX_start(bnctx);  in es256_sk_to_EVP_PKEY()
422 	if ((d = BN_CTX_get(bnctx)) == NULL ||  in es256_sk_to_EVP_PKEY()
444 	if (bnctx != NULL) {  in es256_sk_to_EVP_PKEY()
445 		BN_CTX_end(bnctx);  in es256_sk_to_EVP_PKEY()
446 		BN_CTX_free(bnctx);  in es256_sk_to_EVP_PKEY()