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[M487] Support internal self-test for ECP alter.

pull/5812/head
ccli8 2018-02-06 11:15:48 +08:00
parent 95d4110e31
commit 25253529ae
1 changed files with 38 additions and 30 deletions
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68
features/mbedtls/targets/TARGET_NUVOTON/TARGET_M480/ecp/ecp_internal_alt.c
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@ -20,6 +20,14 @@
#include MBEDTLS_CONFIG_FILE #include MBEDTLS_CONFIG_FILE
#endif #endif
/* Some internal functions are used for Nuvoton internal self-test.
* Remove the static modifier for self-test compile. */
#if defined(NU_CRYPTO_SELF_TEST) && NU_CRYPTO_SELF_TEST
#define NU_STATIC
#else
#define NU_STATIC static
#endif
#if defined(MBEDTLS_ECP_C) #if defined(MBEDTLS_ECP_C)
#include "mbedtls/ecp.h" #include "mbedtls/ecp.h"
@ -139,13 +147,13 @@
* n is kept with unused modifier. * n is kept with unused modifier.
* *
*/ */
int internal_run_eccop(const mbedtls_ecp_group *grp, NU_STATIC int internal_run_eccop(const mbedtls_ecp_group *grp,
mbedtls_ecp_point *R, mbedtls_ecp_point *R,
const mbedtls_mpi *m, const mbedtls_mpi *m,
const mbedtls_ecp_point *P, const mbedtls_ecp_point *P,
MBED_UNUSED const mbedtls_mpi *n, MBED_UNUSED const mbedtls_mpi *n,
const mbedtls_ecp_point *Q, const mbedtls_ecp_point *Q,
uint32_t eccop); uint32_t eccop);
/** /**
* \brief Configure MODOP operation and wait for its completion * \brief Configure MODOP operation and wait for its completion
@ -165,12 +173,12 @@ int internal_run_eccop(const mbedtls_ecp_group *grp,
* *
* \note o1/o2 must be normalized (within [0, p - 1]). r would be normalized. * \note o1/o2 must be normalized (within [0, p - 1]). r would be normalized.
*/ */
int internal_run_modop(mbedtls_mpi *r, NU_STATIC int internal_run_modop(mbedtls_mpi *r,
const mbedtls_mpi *o1, const mbedtls_mpi *o1,
const mbedtls_mpi *o2, const mbedtls_mpi *o2,
const mbedtls_mpi *p, const mbedtls_mpi *p,
uint32_t pbits, uint32_t pbits,
uint32_t modop); uint32_t modop);
/** /**
* \brief Import X from ECC registers, little endian * \brief Import X from ECC registers, little endian
@ -183,7 +191,7 @@ int internal_run_modop(mbedtls_mpi *r,
* *
* \note Destination MPI is always non-negative. * \note Destination MPI is always non-negative.
*/ */
static int internal_mpi_read_eccreg( mbedtls_mpi *X, const volatile uint32_t *eccreg, size_t eccreg_num ); NU_STATIC int internal_mpi_read_eccreg( mbedtls_mpi *X, const volatile uint32_t *eccreg, size_t eccreg_num );
/** /**
* \brief Export X into ECC registers, little endian * \brief Export X into ECC registers, little endian
@ -197,7 +205,7 @@ static int internal_mpi_read_eccreg( mbedtls_mpi *X, const volatile uint32_t *ec
* \note Source MPI cannot be negative. * \note Source MPI cannot be negative.
* \note Fills the remaining MSB ECC registers with zeros if X doesn't cover all. * \note Fills the remaining MSB ECC registers with zeros if X doesn't cover all.
*/ */
static int internal_mpi_write_eccreg( const mbedtls_mpi *X, volatile uint32_t *eccreg, size_t eccreg_num ); NU_STATIC int internal_mpi_write_eccreg( const mbedtls_mpi *X, volatile uint32_t *eccreg, size_t eccreg_num );
unsigned char mbedtls_internal_ecp_grp_capable( const mbedtls_ecp_group *grp ) unsigned char mbedtls_internal_ecp_grp_capable( const mbedtls_ecp_group *grp )
{ {
@ -456,13 +464,13 @@ cleanup:
} }
#endif #endif
int internal_run_eccop(const mbedtls_ecp_group *grp, NU_STATIC int internal_run_eccop(const mbedtls_ecp_group *grp,
mbedtls_ecp_point *R, mbedtls_ecp_point *R,
const mbedtls_mpi *m, const mbedtls_mpi *m,
const mbedtls_ecp_point *P, const mbedtls_ecp_point *P,
MBED_UNUSED const mbedtls_mpi *n, MBED_UNUSED const mbedtls_mpi *n,
const mbedtls_ecp_point *Q, const mbedtls_ecp_point *Q,
uint32_t eccop) uint32_t eccop)
{ {
/* Check necessary arguments for all ECC operations */ /* Check necessary arguments for all ECC operations */
if (grp == NULL || R == NULL) { if (grp == NULL || R == NULL) {
@ -640,12 +648,12 @@ cleanup:
return ret; return ret;
} }
int internal_run_modop(mbedtls_mpi *r, NU_STATIC int internal_run_modop(mbedtls_mpi *r,
const mbedtls_mpi *o1, const mbedtls_mpi *o1,
const mbedtls_mpi *o2, const mbedtls_mpi *o2,
const mbedtls_mpi *p, const mbedtls_mpi *p,
uint32_t pbits, uint32_t pbits,
uint32_t modop) uint32_t modop)
{ {
if (r == NULL || if (r == NULL ||
o1 == NULL || o1 == NULL ||
@ -734,7 +742,7 @@ cleanup:
#endif // ECP_SHORTWEIERSTRASS #endif // ECP_SHORTWEIERSTRASS
static int internal_mpi_read_eccreg(mbedtls_mpi *x, const volatile uint32_t *eccreg, size_t eccreg_num) NU_STATIC int internal_mpi_read_eccreg(mbedtls_mpi *x, const volatile uint32_t *eccreg, size_t eccreg_num)
{ {
if (x == NULL) { if (x == NULL) {
return MBEDTLS_ERR_MPI_BAD_INPUT_DATA; return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;
@ -761,7 +769,7 @@ cleanup:
return ret; return ret;
} }
static int internal_mpi_write_eccreg( const mbedtls_mpi *x, volatile uint32_t *eccreg, size_t eccreg_num ) NU_STATIC int internal_mpi_write_eccreg( const mbedtls_mpi *x, volatile uint32_t *eccreg, size_t eccreg_num )
{ {
if (x == NULL) { if (x == NULL) {
return MBEDTLS_ERR_MPI_BAD_INPUT_DATA; return MBEDTLS_ERR_MPI_BAD_INPUT_DATA;