Delta CRL support in extension code.

CHANGES

@@ -712,6 +712,9 @@
 
  Changes between 0.9.7d and 0.9.7e  [XX xxx XXXX]
 
+  *) Add Delta CRL to the extension code.
+     [Steve Henson]
+
   *) Various fixes to s3_pkt.c so alerts are sent properly.
      [David Holmes <d.holmes@f5.com>]
 

crypto/x509v3/ext_dat.h

@@ -60,7 +60,8 @@
 extern X509V3_EXT_METHOD v3_bcons, v3_nscert, v3_key_usage, v3_ext_ku;
 extern X509V3_EXT_METHOD v3_pkey_usage_period, v3_sxnet, v3_info, v3_sinfo;
 extern X509V3_EXT_METHOD v3_ns_ia5_list[], v3_alt[], v3_skey_id, v3_akey_id;
-extern X509V3_EXT_METHOD v3_crl_num, v3_crl_reason, v3_crl_invdate, v3_cpols, v3_crld;
+extern X509V3_EXT_METHOD v3_crl_num, v3_crl_reason, v3_crl_invdate;
+extern X509V3_EXT_METHOD v3_delta_crl, v3_cpols, v3_crld;
 extern X509V3_EXT_METHOD v3_ocsp_nonce, v3_ocsp_accresp, v3_ocsp_acutoff;
 extern X509V3_EXT_METHOD v3_ocsp_crlid, v3_ocsp_nocheck, v3_ocsp_serviceloc;
 extern X509V3_EXT_METHOD v3_crl_hold;
@@ -91,6 +92,7 @@ static X509V3_EXT_METHOD *standard_exts[] = {
 &v3_akey_id,
 &v3_crld,
 &v3_ext_ku,
+&v3_delta_crl,
 &v3_crl_reason,
 #ifndef OPENSSL_NO_OCSP
 &v3_crl_invdate,

crypto/x509v3/v3_int.c

@@ -67,6 +67,13 @@ X509V3_EXT_METHOD v3_crl_num = {
 	0,
 	0,0,0,0, NULL};
 
+X509V3_EXT_METHOD v3_delta_crl = { 
+	NID_delta_crl, 0, ASN1_ITEM_ref(ASN1_INTEGER),
+	0,0,0,0,
+	(X509V3_EXT_I2S)i2s_ASN1_INTEGER,
+	0,
+	0,0,0,0, NULL};
+
 static void * s2i_asn1_int(X509V3_EXT_METHOD *meth, X509V3_CTX *ctx, char *value)
 	{
 	return s2i_ASN1_INTEGER(meth, value);