153     mbedtls_mpi GX, G, X, P;  in mbedtls_psa_ffdh_export_public_key()  local
168     mbedtls_mpi_init(&X); mbedtls_mpi_init(&P);  in mbedtls_psa_ffdh_export_public_key()
178     MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&X, key_buffer,  in mbedtls_psa_ffdh_export_public_key()
181     MBEDTLS_MPI_CHK(mbedtls_mpi_exp_mod(&GX, &G, &X, &P, NULL));  in mbedtls_psa_ffdh_export_public_key()
189     mbedtls_mpi_free(&X); mbedtls_mpi_free(&GX);  in mbedtls_psa_ffdh_export_public_key()
205     mbedtls_mpi X, P;  in mbedtls_psa_ffdh_generate_key()  local
208     mbedtls_mpi_init(&P); mbedtls_mpi_init(&X);  in mbedtls_psa_ffdh_generate_key()
220     MBEDTLS_MPI_CHK(mbedtls_mpi_random(&X, 3, &P, mbedtls_psa_get_random,  in mbedtls_psa_ffdh_generate_key()
222     MBEDTLS_MPI_CHK(mbedtls_mpi_sub_int(&X, &X, 1));  in mbedtls_psa_ffdh_generate_key()
223     MBEDTLS_MPI_CHK(mbedtls_mpi_write_binary(&X, key_buffer, key_buffer_size));  in mbedtls_psa_ffdh_generate_key()
227     mbedtls_mpi_free(&P); mbedtls_mpi_free(&X);  in mbedtls_psa_ffdh_generate_key()
269     mbedtls_mpi P, G, X, GY, K;  in mbedtls_psa_ffdh_key_agreement()  local
282     mbedtls_mpi_init(&X); mbedtls_mpi_init(&GY);  in mbedtls_psa_ffdh_key_agreement()
292     MBEDTLS_MPI_CHK(mbedtls_mpi_read_binary(&X, key_buffer,  in mbedtls_psa_ffdh_key_agreement()
299     MBEDTLS_MPI_CHK(mbedtls_mpi_exp_mod(&K, &GY, &X, &P, NULL));  in mbedtls_psa_ffdh_key_agreement()
310     mbedtls_mpi_free(&X); mbedtls_mpi_free(&GY);  in mbedtls_psa_ffdh_key_agreement()