Cherry picked required prerequisites from dev branch, git hash 0167244b
Signed-off-by: Marek Jansta <jansta@2n.cz>
diff --git a/library/asn1write.c b/library/asn1write.c
index 0b487dc..f9c3830 100644
--- a/library/asn1write.c
+++ b/library/asn1write.c
@@ -195,24 +195,33 @@
const char *oid, size_t oid_len,
size_t par_len)
{
+ return mbedtls_asn1_write_algorithm_identifier_ext(p, start, oid, oid_len, par_len, 1);
+}
+
+int mbedtls_asn1_write_algorithm_identifier_ext(unsigned char **p, unsigned char *start,
+ const char *oid, size_t oid_len,
+ size_t par_len, int has_par)
+{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t len = 0;
- if (par_len == 0) {
- MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_null(p, start));
- } else {
- len += par_len;
+ if (has_par) {
+ if (par_len == 0) {
+ MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_null(p, start));
+ } else {
+ len += par_len;
+ }
}
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_oid(p, start, oid, oid_len));
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_len(p, start, len));
MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_tag(p, start,
- MBEDTLS_ASN1_CONSTRUCTED |
- MBEDTLS_ASN1_SEQUENCE));
+ MBEDTLS_ASN1_CONSTRUCTED |
+ MBEDTLS_ASN1_SEQUENCE));
return (int) len;
-}
+ }
int mbedtls_asn1_write_bool(unsigned char **p, unsigned char *start, int boolean)
{