psa_util: remove raw_len param from convert_der_to_raw_single_int()
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/psa_util.c b/library/psa_util.c
index 0349873..0c603b7 100644
--- a/library/psa_util.c
+++ b/library/psa_util.c
@@ -460,7 +460,6 @@
* \param raw Output buffer that will be filled with the
* converted data. This should be at least
* coordinate_size bytes.
- * \param raw_len Size (in bytes) of the output raw buffer.
* \param coordinate_size Size (in bytes) of a single coordinate in raw
* format.
*
@@ -475,17 +474,12 @@
* \warning Der and raw buffers must not be overlapping.
*/
static int convert_der_to_raw_single_int(unsigned char *der, size_t der_len,
- unsigned char *raw, size_t raw_len,
- size_t coordinate_size)
+ unsigned char *raw, size_t coordinate_size)
{
unsigned char *p = der;
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t unpadded_len, padding_len = 0;
- if (raw_len < coordinate_size) {
- return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
- }
-
/* Get the length of ASN.1 element (i.e. the integer we need to parse). */
ret = mbedtls_asn1_get_tag(&p, p + der_len, &unpadded_len,
MBEDTLS_ASN1_INTEGER);
@@ -543,8 +537,7 @@
memset(raw_tmp, 0, sizeof(raw_tmp));
/* Extract r */
- ret = convert_der_to_raw_single_int(p, data_len, raw_tmp, sizeof(raw_tmp),
- coordinate_size);
+ ret = convert_der_to_raw_single_int(p, data_len, raw_tmp, coordinate_size);
if (ret < 0) {
return ret;
}
@@ -553,7 +546,6 @@
/* Extract s */
ret = convert_der_to_raw_single_int(p, data_len, raw_tmp + coordinate_size,
- sizeof(raw_tmp) - coordinate_size,
coordinate_size);
if (ret < 0) {
return ret;