asn1: make hash_params optional

R 1323565.1.023-2018 defines in the `parameters' for
`AlgorithmIdentifier' field `digestParamSet' is optional.

diff --git a/gost_asn1.c b/gost_asn1.c
index 502d1eb7f75786a5f238ded65fb3223bf531bbee..1a907025582019b5420d1e7f70ee0464e6d23a12 100644 (file)
--- a/gost_asn1.c
+++ b/gost_asn1.c
@@ -36,7 +36,7 @@ IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_AGREEMENT_INFO)
 ASN1_NDEF_SEQUENCE(GOST_KEY_PARAMS) =
 {
     ASN1_SIMPLE(GOST_KEY_PARAMS, key_params, ASN1_OBJECT),
-    ASN1_SIMPLE(GOST_KEY_PARAMS, hash_params, ASN1_OBJECT),
+    ASN1_OPT(GOST_KEY_PARAMS, hash_params, ASN1_OBJECT),
     ASN1_OPT(GOST_KEY_PARAMS, cipher_params, ASN1_OBJECT),
 } ASN1_NDEF_SEQUENCE_END(GOST_KEY_PARAMS)
 IMPLEMENT_ASN1_FUNCTIONS(GOST_KEY_PARAMS)