RT3676 add: Export ASN.1 DHparams

Reviewed-by: NDr. Stephen Henson <steve@openssl.org>

crypto/dh/dh_asn1.c

@@ -84,7 +84,7 @@ ASN1_SEQUENCE_cb(DHparams, dh_cb) = {
         ASN1_SIMPLE(DH, p, BIGNUM),
         ASN1_SIMPLE(DH, g, BIGNUM),
         ASN1_OPT(DH, length, ZLONG),
-} static_ASN1_SEQUENCE_END_cb(DH, DHparams)
+} ASN1_SEQUENCE_END_cb(DH, DHparams)
 
 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(DH, DHparams, DHparams)
 

include/openssl/dh.h

@@ -66,6 +66,7 @@
 # endif
 
 # include <openssl/bio.h>
+# include <openssl/asn1.h>
 # include <openssl/ossl_typ.h>
 # if OPENSSL_API_COMPAT < 0x10100000L
 #  include <openssl/bn.h>
@@ -159,6 +160,8 @@ struct dh_st {
     CRYPTO_RWLOCK *lock;
 };
 
+DECLARE_ASN1_ITEM(DHparams)
+
 # define DH_GENERATOR_2          2
 /* #define DH_GENERATOR_3       3 */
 # define DH_GENERATOR_5          5

util/libcrypto.num

@@ -4058,3 +4058,5 @@ ECPARAMETERS_it                         3922	1_1_0	EXIST:EXPORT_VAR_AS_FUNCTION:
 ECPKPARAMETERS_it                       3923	1_1_0	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:EC
 ECPKPARAMETERS_it                       3923	1_1_0	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:EC
 EC_GROUP_get_ecparameters               3924	1_1_0	EXIST::FUNCTION:EC
+DHparams_it                             3925	1_1_0	EXIST:!EXPORT_VAR_AS_FUNCTION:VARIABLE:DH
+DHparams_it                             3925	1_1_0	EXIST:EXPORT_VAR_AS_FUNCTION:FUNCTION:DH