add delta sync and fail fetch process

src/validation/cert_path.rs

@@ -5,6 +5,8 @@ use crate::data_model::rc::{
 };
 use x509_parser::prelude::{FromDer, X509Certificate};
 
+use crate::validation::x509_name::x509_names_equivalent;
+
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct ValidatedEeCertPath {
     pub ee: ResourceCertificate,
@@ -112,7 +114,7 @@ pub fn validate_ee_cert_path(
         return Err(CertPathError::IssuerNotCa);
     }
 
-    if ee.tbs.issuer_name != issuer_ca.tbs.subject_name {
+    if !x509_names_equivalent(&ee.tbs.issuer_name, &issuer_ca.tbs.subject_name) {
         return Err(CertPathError::IssuerSubjectMismatch {
             ee_issuer_dn: ee.tbs.issuer_name.to_string(),
             issuer_subject_dn: issuer_ca.tbs.subject_name.to_string(),