Remove MBEDTLS_ECP_MAX_MPI_BYTES macro
Remove MBEDTLS_ECP_MAX_MPI_BYTES macro as
it's not needed anymore.It was added when
memcpy was being used but now that
mbedtls_mpi_write_binary() is being used
it can handle copying a large buffer filled
with leading zeros into a smaller buffer.
Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tf-psa-crypto/core/psa_crypto.c b/tf-psa-crypto/core/psa_crypto.c
index 30dd829..2eb1d63 100644
--- a/tf-psa-crypto/core/psa_crypto.c
+++ b/tf-psa-crypto/core/psa_crypto.c
@@ -8184,7 +8184,7 @@
{
#if defined(MBEDTLS_ECP_RESTARTABLE)
psa_status_t status;
- uint8_t key_data[MBEDTLS_ECP_MAX_MPI_BYTES] = { 0 };
+ uint8_t key_data[MBEDTLS_ECP_MAX_BYTES] = { 0 };
size_t key_len = 0;
if (operation->id == 0 || operation->error_occurred) {
diff --git a/tf-psa-crypto/drivers/builtin/include/mbedtls/ecp.h b/tf-psa-crypto/drivers/builtin/include/mbedtls/ecp.h
index 9855590..b340614 100644
--- a/tf-psa-crypto/drivers/builtin/include/mbedtls/ecp.h
+++ b/tf-psa-crypto/drivers/builtin/include/mbedtls/ecp.h
@@ -345,8 +345,6 @@
#define MBEDTLS_ECP_MAX_BYTES ((MBEDTLS_ECP_MAX_BITS + 7) / 8)
#define MBEDTLS_ECP_MAX_PT_LEN (2 * MBEDTLS_ECP_MAX_BYTES + 1)
-#define MBEDTLS_ECP_MAX_MPI_BYTES ((MBEDTLS_ECP_MAX_BYTES + sizeof(mbedtls_mpi_uint)) & \
- ~(sizeof(mbedtls_mpi_uint)-1))
#if defined(MBEDTLS_ECP_RESTARTABLE)