77     mbedtls_ecp_point R;  in mbedtls_ecdsa_sign()  local
84     mbedtls_ecp_point_init( &R );  in mbedtls_ecdsa_sign()
97             MBEDTLS_MPI_CHK( mbedtls_ecp_gen_keypair( grp, &k, &R, f_rng, p_rng ) );  in mbedtls_ecdsa_sign()
98             MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( r, &R.X, &grp->N ) );  in mbedtls_ecdsa_sign()
151     mbedtls_ecp_point_free( &R );  in mbedtls_ecdsa_sign()
205     mbedtls_ecp_point R;  in mbedtls_ecdsa_verify()  local
207     mbedtls_ecp_point_init( &R );  in mbedtls_ecdsa_verify()
251     MBEDTLS_MPI_CHK( mbedtls_ecp_muladd( grp, &R, &u1, &grp->G, &u2, Q ) );  in mbedtls_ecdsa_verify()
253     if( mbedtls_ecp_is_zero( &R ) )  in mbedtls_ecdsa_verify()
263     MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( &R.X, &R.X, &grp->N ) );  in mbedtls_ecdsa_verify()
268     if( mbedtls_mpi_cmp_mpi( &R.X, r ) != 0 )  in mbedtls_ecdsa_verify()
275     mbedtls_ecp_point_free( &R );  in mbedtls_ecdsa_verify()