Add association tags and generate UML

Signed-off-by: Yuuta Liang <yuutaw@student.cs.ubc.ca>

36 files changed, 161 insertions, 0 deletions

diff --git a/img/uml.all.pdf b/img/uml.all.pdf
new file mode 100644
index 0000000..5cd8cd5
--- /dev/null
+++ b/img/uml.all.pdf
diff --git a/img/uml.assoc.pdf b/img/uml.assoc.pdf
new file mode 100644
index 0000000..39d5908
--- /dev/null
+++ b/img/uml.assoc.pdf
diff --git a/img/uml.type.pdf b/img/uml.type.pdf
new file mode 100644
index 0000000..75855bf
--- /dev/null
+++ b/img/uml.type.pdf
diff --git a/src/main/model/GroupObserver.java b/src/main/model/GroupObserver.java
index 41a9aac..8bef502 100644
--- a/src/main/model/GroupObserver.java
+++ b/src/main/model/GroupObserver.java
@@ -1,5 +1,7 @@
 package model;
 
+import annotations.Assoc;
+
 import java.util.HashMap;
 import java.util.Map;
 
@@ -10,6 +12,7 @@ public class GroupObserver implements Observer {
     /**
      * The map. Because Java doesn't have dependent maps, they are left here as unchecked.
      */
+    @Assoc(partOf = true)
     private final Map<Class, Observer> map = new HashMap<>();
 
     /**
diff --git a/src/main/model/asn1/ASN1Object.java b/src/main/model/asn1/ASN1Object.java
index ca10fa6..1e4d600 100644
--- a/src/main/model/asn1/ASN1Object.java
+++ b/src/main/model/asn1/ASN1Object.java
@@ -1,5 +1,6 @@
 package model.asn1;
 
+import annotations.Assoc;
 import model.asn1.exceptions.ParseException;
 import model.asn1.parsing.BytesReader;
 
@@ -28,6 +29,7 @@ public class ASN1Object implements Encodable {
     public static final Tag TAG_SET = new Tag(TagClass.UNIVERSAL, true, 0x11);
 
     // The ASN.1 type tag.
+    @Assoc(partOf = true)
     private final Tag tag;
 
     // The value length for implementation parsing purposes (only available if the object is parsed)
@@ -37,6 +39,7 @@ public class ASN1Object implements Encodable {
     private final Byte[] value;
 
     // The parent ASN.1 type tag, if required for EXPLICIT tagging with a CONTEXT SPECIFIC tag number.
+    @Assoc(lowerBond = 0, partOf = true)
     private final Tag parentTag;
 
     /**
diff --git a/src/main/model/asn1/Encodable.java b/src/main/model/asn1/Encodable.java
index 547029c..64d5f60 100644
--- a/src/main/model/asn1/Encodable.java
+++ b/src/main/model/asn1/Encodable.java
@@ -5,5 +5,8 @@ package model.asn1;
  */
 @FunctionalInterface
 public interface Encodable {
+    /**
+     * EFFECTS: Encode the object into DER bytes.
+     */
     Byte[] encodeDER();
 }
diff --git a/src/main/model/asn1/Tag.java b/src/main/model/asn1/Tag.java
index 7fb8ae4..9b6a480 100644
--- a/src/main/model/asn1/Tag.java
+++ b/src/main/model/asn1/Tag.java
@@ -1,5 +1,6 @@
 package model.asn1;
 
+import annotations.Assoc;
 import model.asn1.exceptions.ParseException;
 import model.asn1.parsing.BytesReader;
 
@@ -7,6 +8,7 @@ import model.asn1.parsing.BytesReader;
  * Represents the metadata (tag) of an ASN.1 type.
  */
 public class Tag implements Encodable {
+    @Assoc(partOf = true)
     private final TagClass cls;
     private final boolean constructive;
     private final int number;
diff --git a/src/main/model/ca/CertificationAuthority.java b/src/main/model/ca/CertificationAuthority.java
index b118637..b724e83 100644
--- a/src/main/model/ca/CertificationAuthority.java
+++ b/src/main/model/ca/CertificationAuthority.java
@@ -1,5 +1,6 @@
 package model.ca;
 
+import annotations.Assoc;
 import model.Event;
 import model.EventLog;
 import model.Observer;
@@ -44,21 +45,25 @@ public class CertificationAuthority {
     /**
      * The RSA2048 private key.
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private RSAPrivateKey key;
 
     /**
      * The public key.
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private RSAPublicKey publicKey;
 
     /**
      * The signed certificate.
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private Certificate certificate;
 
     /**
      * Signed certificates.
      */
+    @Assoc(lowerBond = 0)
     private final List<Certificate> signed;
 
     /**
@@ -69,16 +74,19 @@ public class CertificationAuthority {
     /**
      * Revoked certs.
      */
+    @Assoc(lowerBond = 0)
     private final List<RevokedCertificate> revoked;
 
     /**
      * Certificate templates.
      */
+    @Assoc(lowerBond = 0)
     private final List<Template> templates;
 
     /**
      * Audit logs.
      */
+    @Assoc(lowerBond = 0)
     private final List<AuditLogEntry> logs;
 
     /**
@@ -89,6 +97,7 @@ public class CertificationAuthority {
     /**
      * Data observers.
      */
+    @Assoc(lowerBond = 0)
     private final List<Observer> observers;
 
     /**
diff --git a/src/main/model/ca/Template.java b/src/main/model/ca/Template.java
index 44de676..d2df360 100644
--- a/src/main/model/ca/Template.java
+++ b/src/main/model/ca/Template.java
@@ -1,5 +1,6 @@
 package model.ca;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.ObjectIdentifier;
 import model.asn1.PrintableString;
@@ -26,6 +27,7 @@ public class Template {
     /**
      * Subject of the issued certs. Null -> unspecified
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private final Name subject;
 
     /**
diff --git a/src/main/model/csr/Attribute.java b/src/main/model/csr/Attribute.java
index 2daa000..26c3271 100644
--- a/src/main/model/csr/Attribute.java
+++ b/src/main/model/csr/Attribute.java
@@ -1,5 +1,6 @@
 package model.csr;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.ObjectIdentifier;
 import model.asn1.Tag;
@@ -26,11 +27,13 @@ public class Attribute extends ASN1Object {
      * The type of that attribute. For example, <pre>2.5.29.14</pre> is subjectKeyIdentifier.
      * It determines the format of the value.
      */
+    @Assoc(partOf = true)
     private final ObjectIdentifier type;
 
     /**
      * Value set.
      */
+    @Assoc(partOf = true)
     private final Values values;
 
     /**
diff --git a/src/main/model/csr/Attributes.java b/src/main/model/csr/Attributes.java
index 302741d..ae64434 100644
--- a/src/main/model/csr/Attributes.java
+++ b/src/main/model/csr/Attributes.java
@@ -1,5 +1,6 @@
 package model.csr;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Encodable;
 import model.asn1.Tag;
@@ -18,6 +19,7 @@ import java.util.stream.Stream;
  * </pre>
  */
 public class Attributes extends ASN1Object {
+    @Assoc(partOf = true)
     private final Attribute[] array;
 
     /**
diff --git a/src/main/model/csr/CertificationRequest.java b/src/main/model/csr/CertificationRequest.java
index 64203f9..fc22228 100644
--- a/src/main/model/csr/CertificationRequest.java
+++ b/src/main/model/csr/CertificationRequest.java
@@ -1,5 +1,6 @@
 package model.csr;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.BitString;
 import model.asn1.Tag;
@@ -36,16 +37,19 @@ public class CertificationRequest extends ASN1Object {
      * All info of that CSR, excluding the signature.
      * It will be signed, and the signature is in <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final CertificationRequestInfo certificationRequestInfo;
 
     /**
      * The algorithm used for <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier signatureAlgorithm;
 
     /**
      * The signature.
      */
+    @Assoc(partOf = true)
     private final BitString signature;
 
     /**
diff --git a/src/main/model/csr/CertificationRequestInfo.java b/src/main/model/csr/CertificationRequestInfo.java
index 8f68ac8..4834813 100644
--- a/src/main/model/csr/CertificationRequestInfo.java
+++ b/src/main/model/csr/CertificationRequestInfo.java
@@ -1,5 +1,6 @@
 package model.csr;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Int;
 import model.asn1.Tag;
@@ -38,18 +39,25 @@ public class CertificationRequestInfo extends ASN1Object {
     /**
      * Version of the CRL. Always {@link CertificationRequestInfo#VERSION_V1} (0).
      */
+    @Assoc(partOf = true)
     private final Int version;
 
     /**
      * Subject of the requested certificate
      */
+    @Assoc(partOf = true)
     private final Name subject;
 
     /**
      * The public key to request.
      */
+    @Assoc(partOf = true)
     private final SubjectPublicKeyInfo subjectPKInfo;
 
+    /**
+     * The request attributes.
+     */
+    @Assoc(partOf = true)
     private final Attributes attributes;
 
     /**
diff --git a/src/main/model/csr/Values.java b/src/main/model/csr/Values.java
index f461686..1f9423c 100644
--- a/src/main/model/csr/Values.java
+++ b/src/main/model/csr/Values.java
@@ -1,5 +1,6 @@
 package model.csr;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Encodable;
 import model.asn1.Tag;
@@ -22,6 +23,10 @@ import java.util.stream.Stream;
  * Values can be none or any length. Parsing and decoding the values are handled in specific types.
  */
 public class Values extends ASN1Object {
+    /**
+     * The values array.
+     */
+    @Assoc(partOf = true, lowerBond = 1)
     private final ASN1Object[] array;
 
     /**
diff --git a/src/main/model/pki/AlgorithmIdentifier.java b/src/main/model/pki/AlgorithmIdentifier.java
index f7df59f..4e4fab3 100644
--- a/src/main/model/pki/AlgorithmIdentifier.java
+++ b/src/main/model/pki/AlgorithmIdentifier.java
@@ -1,5 +1,6 @@
 package model.pki;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.ObjectIdentifier;
 import model.asn1.Tag;
@@ -24,6 +25,7 @@ public class AlgorithmIdentifier extends ASN1Object {
     /**
      * The type of that attribute. For example, <pre>1.2.840.113549.1.1.11</pre> is sha256WithRSAEncryption.
      */
+    @Assoc(partOf = true)
     private final ObjectIdentifier type;
 
     /**
@@ -48,6 +50,7 @@ public class AlgorithmIdentifier extends ASN1Object {
      *    }
      * </pre>
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private final ASN1Object parameters;
 
     /**
diff --git a/src/main/model/pki/SubjectPublicKeyInfo.java b/src/main/model/pki/SubjectPublicKeyInfo.java
index ca3b997..2f2a514 100644
--- a/src/main/model/pki/SubjectPublicKeyInfo.java
+++ b/src/main/model/pki/SubjectPublicKeyInfo.java
@@ -1,5 +1,6 @@
 package model.pki;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.BitString;
 import model.asn1.Tag;
@@ -24,11 +25,13 @@ public class SubjectPublicKeyInfo extends ASN1Object {
     /**
      * The algorithm used.
      */
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier algorithm;
 
     /**
      * The public key.
      */
+    @Assoc(partOf = true)
     private final BitString subjectPublicKey;
 
     /**
diff --git a/src/main/model/pki/cert/Certificate.java b/src/main/model/pki/cert/Certificate.java
index 25499e3..f9d61bb 100644
--- a/src/main/model/pki/cert/Certificate.java
+++ b/src/main/model/pki/cert/Certificate.java
@@ -1,5 +1,6 @@
 package model.pki.cert;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.BitString;
 import model.asn1.Tag;
@@ -53,16 +54,19 @@ public class Certificate extends ASN1Object {
      * All info of that cert, excluding the signature.
      * It will be signed, and the signature is in <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final TbsCertificate certificate;
 
     /**
      * The algorithm used for <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier signatureAlgorithm;
 
     /**
      * The signature.
      */
+    @Assoc(partOf = true)
     private final BitString signature;
 
     /**
diff --git a/src/main/model/pki/cert/Extension.java b/src/main/model/pki/cert/Extension.java
index 9db83b2..a856086 100644
--- a/src/main/model/pki/cert/Extension.java
+++ b/src/main/model/pki/cert/Extension.java
@@ -1,5 +1,6 @@
 package model.pki.cert;
 
+import annotations.Assoc;
 import model.asn1.*;
 import model.asn1.exceptions.ParseException;
 import model.asn1.parsing.BytesReader;
@@ -28,6 +29,7 @@ public class Extension extends ASN1Object {
     /**
      * The ID of the type of that extension.
      */
+    @Assoc(partOf = true)
     private final ObjectIdentifier extnId;
 
     /**
@@ -37,11 +39,13 @@ public class Extension extends ASN1Object {
      * behaviour is undefined.
      * Marking an extension critical reduces compatibility.
      */
+    @Assoc(partOf = true)
     private final Bool critical;
 
     /**
      * The DER-encoded ASN.1 content of that extension.
      */
+    @Assoc(partOf = true)
     private final OctetString extnValue;
 
     /**
diff --git a/src/main/model/pki/cert/Extensions.java b/src/main/model/pki/cert/Extensions.java
index 72d641f..8c636b0 100644
--- a/src/main/model/pki/cert/Extensions.java
+++ b/src/main/model/pki/cert/Extensions.java
@@ -1,5 +1,6 @@
 package model.pki.cert;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Encodable;
 import model.asn1.Tag;
@@ -18,6 +19,10 @@ import java.util.stream.Stream;
  * </pre>
  */
 public class Extensions extends ASN1Object {
+    /**
+     * The extension array.
+     */
+    @Assoc(partOf = true)
     private final Extension[] extensions;
 
     /**
diff --git a/src/main/model/pki/cert/TbsCertificate.java b/src/main/model/pki/cert/TbsCertificate.java
index 26b30f4..6ad15e7 100644
--- a/src/main/model/pki/cert/TbsCertificate.java
+++ b/src/main/model/pki/cert/TbsCertificate.java
@@ -1,5 +1,6 @@
 package model.pki.cert;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Int;
 import model.asn1.Tag;
@@ -63,6 +64,7 @@ public class TbsCertificate extends ASN1Object {
      *   [0] Version DEFAULT v1
      * </pre>
      */
+    @Assoc(partOf = true)
     private final Int version;
 
     /**
@@ -72,8 +74,10 @@ public class TbsCertificate extends ASN1Object {
      *     CertificateSerialNumber ::= INTEGER
      * </pre>
      */
+    @Assoc(partOf = true)
     private final Int serialNumber;
 
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier signature;
 
     /**
@@ -83,24 +87,32 @@ public class TbsCertificate extends ASN1Object {
      *     subject Name
      * </pre>
      */
+    @Assoc(partOf = true)
     private final Name issuer;
 
     /**
      * The validity period of that certificate.
      * Validity ::= SEQUENCE { notBefore Time, notAfter Time, ... }
      */
+    @Assoc(partOf = true)
     private final Validity validity;
 
     /**
      * See the comments on issuer.
      */
+    @Assoc(partOf = true)
     private final Name subject;
 
+    /**
+     * The public key of the certificate's holder.
+     */
+    @Assoc(partOf = true)
     private final SubjectPublicKeyInfo subjectPublicKeyInfo;
 
     /**
      * [3] Optional.
      */
+    @Assoc(partOf = true, lowerBond = 0)
     private final Extensions extensions;
 
     /**
diff --git a/src/main/model/pki/cert/Validity.java b/src/main/model/pki/cert/Validity.java
index e83d326..190b469 100644
--- a/src/main/model/pki/cert/Validity.java
+++ b/src/main/model/pki/cert/Validity.java
@@ -1,5 +1,6 @@
 package model.pki.cert;
 
+import annotations.Assoc;
 import model.asn1.*;
 import model.asn1.exceptions.ParseException;
 import model.asn1.parsing.BytesReader;
@@ -28,11 +29,13 @@ public class Validity extends ASN1Object {
     /**
      * The certificate is not valid before that time.
      */
+    @Assoc(partOf = true)
     private final ASN1Time notBefore;
 
     /**
      * The certificate is not valid after that time.
      */
+    @Assoc(partOf = true)
     private final ASN1Time notAfter;
 
     /**
diff --git a/src/main/model/pki/crl/CertificateList.java b/src/main/model/pki/crl/CertificateList.java
index 8729561..8f4b98b 100644
--- a/src/main/model/pki/crl/CertificateList.java
+++ b/src/main/model/pki/crl/CertificateList.java
@@ -1,5 +1,6 @@
 package model.pki.crl;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.BitString;
 import model.asn1.Tag;
@@ -20,16 +21,19 @@ public class CertificateList extends ASN1Object {
      * All info of that CRL, excluding the signature.
      * It will be signed, and the signature is in <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final CertificateListContent crl;
 
     /**
      * The algorithm used for <pre>signature</pre>.
      */
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier signatureAlgorithm;
 
     /**
      * The signature.
      */
+    @Assoc(partOf = true)
     private final BitString signature;
 
     /**
diff --git a/src/main/model/pki/crl/CertificateListContent.java b/src/main/model/pki/crl/CertificateListContent.java
index 4cc96fb..80d8fc1 100644
--- a/src/main/model/pki/crl/CertificateListContent.java
+++ b/src/main/model/pki/crl/CertificateListContent.java
@@ -1,5 +1,6 @@
 package model.pki.crl;
 
+import annotations.Assoc;
 import model.asn1.*;
 import model.pki.AlgorithmIdentifier;
 import model.x501.Name;
@@ -39,10 +40,15 @@ import java.util.stream.Stream;
  */
 public class CertificateListContent extends ASN1Object {
     private final Int version = new Int(Int.TAG, null, 1);
+    @Assoc(partOf = true)
     private final Name issuer;
+    @Assoc(partOf = true)
     private final AlgorithmIdentifier signature;
+    @Assoc(partOf = true)
     private final ASN1Time thisUpdate;
+    @Assoc(partOf = true)
     private final ASN1Time nextUpdate;
+    @Assoc(partOf = true, lowerBond = 0)
     private final RevokedCertificate[] revokedCertificates;
 
     /**
diff --git a/src/main/model/pki/crl/RevokedCertificate.java b/src/main/model/pki/crl/RevokedCertificate.java
index 1f0afc1..5acb2ed 100644
--- a/src/main/model/pki/crl/RevokedCertificate.java
+++ b/src/main/model/pki/crl/RevokedCertificate.java
@@ -1,5 +1,6 @@
 package model.pki.crl;
 
+import annotations.Assoc;
 import model.asn1.*;
 
 import java.util.Arrays;
@@ -17,8 +18,11 @@ import java.util.stream.Stream;
  * </pre>
  */
 public class RevokedCertificate extends ASN1Object {
+    @Assoc(partOf = true)
     private final Int serialNumber;
+    @Assoc(partOf = true)
     private final ASN1Time revocationDate;
+    @Assoc(partOf = true)
     private final Reason reason;
 
     /**
diff --git a/src/main/model/x501/AttributeTypeAndValue.java b/src/main/model/x501/AttributeTypeAndValue.java
index 179d6ff..c79ff77 100644
--- a/src/main/model/x501/AttributeTypeAndValue.java
+++ b/src/main/model/x501/AttributeTypeAndValue.java
@@ -1,5 +1,6 @@
 package model.x501;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.ObjectIdentifier;
 import model.asn1.Tag;
@@ -24,11 +25,13 @@ public class AttributeTypeAndValue extends ASN1Object {
      * The type of that attribute. For example, <pre>2.5.4.10</pre> is OU.
      * It determines the format of the value.
      */
+    @Assoc(partOf = true)
     private final ObjectIdentifier type;
 
     /**
      * Value corresponding to type.
      */
+    @Assoc(partOf = true)
     private final ASN1Object value;
 
     /**
diff --git a/src/main/model/x501/Name.java b/src/main/model/x501/Name.java
index 7477005..b00109d 100644
--- a/src/main/model/x501/Name.java
+++ b/src/main/model/x501/Name.java
@@ -1,5 +1,6 @@
 package model.x501;
 
+import annotations.Assoc;
 import model.asn1.*;
 import model.asn1.exceptions.ParseException;
 import model.asn1.parsing.BytesReader;
@@ -19,6 +20,7 @@ import java.util.stream.Stream;
  * </pre>
  */
 public class Name extends ASN1Object {
+    @Assoc(partOf = true)
     private final RelativeDistinguishedName[] rdnSequence;
 
     /**
diff --git a/src/main/model/x501/RelativeDistinguishedName.java b/src/main/model/x501/RelativeDistinguishedName.java
index c431f12..b9f6a0c 100644
--- a/src/main/model/x501/RelativeDistinguishedName.java
+++ b/src/main/model/x501/RelativeDistinguishedName.java
@@ -1,5 +1,6 @@
 package model.x501;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.Encodable;
 import model.asn1.Tag;
@@ -20,6 +21,7 @@ import java.util.stream.Stream;
  * For more information on DN, see {@link Name}.
  */
 public class RelativeDistinguishedName extends ASN1Object {
+    @Assoc(partOf = true, lowerBond = 1)
     private final AttributeTypeAndValue[] array;
 
     /**
diff --git a/src/main/ui/gui/IssueDialog.java b/src/main/ui/gui/IssueDialog.java
index 8dcd6a8..23312eb 100644
--- a/src/main/ui/gui/IssueDialog.java
+++ b/src/main/ui/gui/IssueDialog.java
@@ -1,5 +1,6 @@
 package ui.gui;
 
+import annotations.Assoc;
 import model.asn1.exceptions.ParseException;
 import model.ca.Template;
 import model.csr.CertificationRequest;
@@ -19,6 +20,7 @@ public class IssueDialog extends CertEditDialog<Template> {
     /**
      * The list of templates.
      */
+    @Assoc(lowerBond = 1)
     private final List<Template> templates;
 
     /**
@@ -29,11 +31,13 @@ public class IssueDialog extends CertEditDialog<Template> {
     /**
      * Combo box to choose template.
      */
+    @Assoc(partOf = true)
     private JComboBox<String> componentTemp;
 
     /**
      * The selected template, immutable.
      */
+    @Assoc(partOf = true)
     private Template selectedTemplate;
 
     /**
diff --git a/src/main/ui/gui/MainUI.java b/src/main/ui/gui/MainUI.java
index 9fa65ef..9a7f3f2 100644
--- a/src/main/ui/gui/MainUI.java
+++ b/src/main/ui/gui/MainUI.java
@@ -1,5 +1,6 @@
 package ui.gui;
 
+import annotations.Assoc;
 import model.GroupObserver;
 import model.ObservedData;
 import model.Observer;
@@ -67,75 +68,108 @@ public class MainUI extends JFrame {
     /**
      * The root panel (Box layout).
      */
+    @Assoc(partOf = true)
     private final JPanel rootPanel = new JPanel(new BoxLayout(rootPane, BoxLayout.PAGE_AXIS));
 
     /**
      * Common toolbar buttons
      */
+    @Assoc(partOf = true)
     private final JButton buttonToolbarLoad = btn("Load", "open.png", this::onLoad);
+    @Assoc(partOf = true)
     private final JButton buttonToolbarSave = btn("Save", "saveall.png", this::onSave);
 
     /**
      * Toolbar that switches with the tab.
      */
+    @Assoc(partOf = true)
     private final JPanel panelContextAwareToolbar = new JPanel(new CardLayout(0, 0));
 
     /**
      * Tab root.
      */
+    @Assoc(partOf = true)
     private final JTabbedPane tabbedPane = new JTabbedPane();
 
     /**
      * CA tab
      */
+    @Assoc(partOf = true)
     private final JLabel labelCACertificate = new JLabel();
+    @Assoc(partOf = true)
     private final JLabel labelPrivateKey = new JLabel();
+    @Assoc(partOf = true)
     private final JButton buttonGenPrivKey = btn("Generate", 'G', this::onGeneratePrivateKey);
+    @Assoc(partOf = true)
     private final JButton buttonInstallCA = btn("Install", 'I', this::onInstallCA);
+    @Assoc(partOf = true)
     private final JButton buttonGenCSR = btn("CSR", this::onSignCSR);
+    @Assoc(partOf = true)
     private final QRPanel panelQR = new QRPanel(256);
+    @Assoc(partOf = true)
     private final JToolBar toolbarCA = new JToolBar();
+    @Assoc(partOf = true)
     private final JButton buttonCAToolbarCRL = btn("CRL", "publisher.png", this::onCRL);
 
     /**
      * Certs tab
      */
+    @Assoc(partOf = true)
     private JPanel panelCertsTab;
+    @Assoc(partOf = true)
     private final JTable tableCerts = new JTable();
+    @Assoc(partOf = true)
     private final CertTableModel modelCerts = new CertTableModel();
+    @Assoc(partOf = true)
     private final JToolBar toolbarCerts = new JToolBar();
+    @Assoc(partOf = true)
     private final JButton buttonCertsToolbarNew = btn("Sign", "new.png", this::onIssue);
+    @Assoc(partOf = true)
     private final JButton buttonCertsToolbarRevoke = btn("Revoke", "deletetest.png", this::onRevokeCert);
+    @Assoc(partOf = true)
     private final JButton buttonCertsToolbarExport = btn("Export", "export.png", this::onExportCert);
 
     /**
      * Templates tab
      */
+    @Assoc(partOf = true)
     private JPanel panelTmpTab;
+    @Assoc(partOf = true)
     private final JTable tableTemplates = new JTable();
+    @Assoc(partOf = true)
     private final TemplateTableModel modelTemplates = new TemplateTableModel();
+    @Assoc(partOf = true)
     private final JToolBar toolbarTemplates = new JToolBar();
+    @Assoc(partOf = true)
     private final JButton buttonTemplatesToolbarNew = btn("New", "new.png", this::onNewTemplate);
+    @Assoc(partOf = true)
     private final JButton buttonTemplatesToolbarEnable = btn("Enable", "enable.png", this::onEnableTemplate);
+    @Assoc(partOf = true)
     private final JButton buttonTemplatesToolbarDisable = btn("Disable", "disable.png", this::onDisableTemplate);
+    @Assoc(partOf = true)
     private final JButton buttonTemplatesToolbarDelete = btn("Delete", "deletetest.png", this::onDeleteTemplate);
 
     /**
      * Logs region
      */
+    @Assoc(partOf = true)
     private final JPanel panelLogs;
+    @Assoc(partOf = true)
     private final JTable tableAuditLogs = new JTable();
+    @Assoc(partOf = true)
     private final LogTableModel modelAuditLogs = new LogTableModel();
 
     /**
      * Status region
      */
+    @Assoc(partOf = true)
     private final JLabel labelStatus = new JLabel();
     private ObservedData<Boolean> unsaved = new ObservedData<>(false, this::acceptUnsaved);
 
     /**
      * CA and observers
      */
+    @Assoc(partOf = true)
     private CertificationAuthority ca;
 
     private final GroupObserver obs = new GroupObserver();
diff --git a/src/main/ui/gui/RevokeDialog.java b/src/main/ui/gui/RevokeDialog.java
index 9cebc74..19c7f1b 100644
--- a/src/main/ui/gui/RevokeDialog.java
+++ b/src/main/ui/gui/RevokeDialog.java
@@ -1,5 +1,6 @@
 package ui.gui;
 
+import annotations.Assoc;
 import model.asn1.ASN1Object;
 import model.asn1.UtcTime;
 import model.pki.cert.Certificate;
@@ -54,31 +55,37 @@ public class RevokeDialog extends JDialog {
     /**
      * Root pane
      */
+    @Assoc(partOf = true)
     private JPanel contentPane;
 
     /**
      * OK button
      */
+    @Assoc(partOf = true)
     private JButton buttonOK;
 
     /**
      * Cancel button
      */
+    @Assoc(partOf = true)
     private JButton buttonCancel;
 
     /**
      * Reason
      */
+    @Assoc(partOf = true)
     private JComboBox<String> comboBoxReason;
 
     /**
      * Subject (not editable)
      */
+    @Assoc(partOf = true)
     private JTextField textFieldSubject;
 
     /**
      * Time
      */
+    @Assoc(partOf = true)
     private JFormattedTextField formattedTextFieldTime;
 
     /**
diff --git a/src/main/ui/gui/TemplateEditDialog.java b/src/main/ui/gui/TemplateEditDialog.java
index 557d207..9037956 100644
--- a/src/main/ui/gui/TemplateEditDialog.java
+++ b/src/main/ui/gui/TemplateEditDialog.java
@@ -1,5 +1,6 @@
 package ui.gui;
 
+import annotations.Assoc;
 import model.asn1.exceptions.ParseException;
 import model.ca.Template;
 import model.x501.Name;
@@ -23,6 +24,7 @@ public class TemplateEditDialog extends CertEditDialog<Template> {
     /**
      * Text field for name.
      */
+    @Assoc(partOf = true)
     private JTextField templateComponent;
 
     /**
diff --git a/src/main/ui/gui/widgets/CertEditDialog.java b/src/main/ui/gui/widgets/CertEditDialog.java
index 6c440a3..a928053 100644
--- a/src/main/ui/gui/widgets/CertEditDialog.java
+++ b/src/main/ui/gui/widgets/CertEditDialog.java
@@ -1,5 +1,7 @@
 package ui.gui.widgets;
 
+import annotations.Assoc;
+
 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.ActionEvent;
@@ -32,9 +34,13 @@ public abstract class CertEditDialog<T> extends JDialog {
     /**
      * Root pane.
      */
+    @Assoc(partOf = true)
     protected JPanel contentPane = new JPanel();
+    @Assoc(partOf = true)
     protected JButton buttonOK = UIUtils.btn("", this::onOK);
+    @Assoc(partOf = true)
     protected JTextField textFieldSubject = new JTextField();
+    @Assoc(partOf = true)
     protected JSpinner spinnerValidity =
             new JSpinner(new SpinnerNumberModel(60, 1, null, 0));
 
diff --git a/src/main/ui/gui/widgets/CertTableModel.java b/src/main/ui/gui/widgets/CertTableModel.java
index f10d621..aa3f808 100644
--- a/src/main/ui/gui/widgets/CertTableModel.java
+++ b/src/main/ui/gui/widgets/CertTableModel.java
@@ -1,5 +1,6 @@
 package ui.gui.widgets;
 
+import annotations.Assoc;
 import model.ca.CertificationAuthority;
 import model.pki.cert.Certificate;
 import model.pki.crl.RevokedCertificate;
@@ -39,11 +40,13 @@ public class CertTableModel extends AbstractTableModel {
     /**
      * Pointer to {@link CertificationAuthority#getSigned()}
      */
+    @Assoc(lowerBond = 0)
     private List<Certificate> ptrData;
 
     /**
      * Pointer to {@link CertificationAuthority#getRevoked()}
      */
+    @Assoc(lowerBond = 0)
     private List<RevokedCertificate> ptrRevokedData;
 
     /**
diff --git a/src/main/ui/gui/widgets/LogTableModel.java b/src/main/ui/gui/widgets/LogTableModel.java
index a7b52ac..2f91dd0 100644
--- a/src/main/ui/gui/widgets/LogTableModel.java
+++ b/src/main/ui/gui/widgets/LogTableModel.java
@@ -1,5 +1,6 @@
 package ui.gui.widgets;
 
+import annotations.Assoc;
 import model.ca.AuditLogEntry;
 import model.ca.CertificationAuthority;
 
@@ -23,6 +24,7 @@ public class LogTableModel extends AbstractTableModel {
     /**
      * Pointer to the {@link CertificationAuthority#getLogs()}.
      */
+    @Assoc(lowerBond = 0)
     private List<AuditLogEntry> ptrData;
 
     /**
diff --git a/src/main/ui/gui/widgets/QRPanel.java b/src/main/ui/gui/widgets/QRPanel.java
index ebd70af..334f921 100644
--- a/src/main/ui/gui/widgets/QRPanel.java
+++ b/src/main/ui/gui/widgets/QRPanel.java
@@ -1,5 +1,6 @@
 package ui.gui.widgets;
 
+import annotations.Assoc;
 import com.google.zxing.BarcodeFormat;
 import com.google.zxing.WriterException;
 import com.google.zxing.common.BitMatrix;
@@ -18,6 +19,7 @@ import static com.google.zxing.qrcode.decoder.ErrorCorrectionLevel.L;
 public class QRPanel extends JPanel {
     private final int size;
 
+    @Assoc(partOf = true, lowerBond = 0)
     private BitMatrix data;
 
     /**
diff --git a/src/main/ui/gui/widgets/TemplateTableModel.java b/src/main/ui/gui/widgets/TemplateTableModel.java
index de23b54..93e9bcf 100644
--- a/src/main/ui/gui/widgets/TemplateTableModel.java
+++ b/src/main/ui/gui/widgets/TemplateTableModel.java
@@ -1,5 +1,6 @@
 package ui.gui.widgets;
 
+import annotations.Assoc;
 import model.ca.CertificationAuthority;
 import model.ca.Template;
 
@@ -36,6 +37,7 @@ public class TemplateTableModel extends AbstractTableModel {
     /**
      * Pointer to the {@link CertificationAuthority#getTemplates()}.
      */
+    @Assoc(lowerBond = 0)
     private List<Template> ptrData;
 
     /**