26.03 Release

IB-8809

Signed-off-by: Raul Metsma <raul@metsma.ee>

Author: metsma

…s/ID_software_architecture_files_3_0.qea …s/ID_software_architecture_files_3_1.qeaID_software_architecture_files/ID_software_architecture_files_3_0.qea renamed to ID_software_architecture_files/ID_software_architecture_files_3_1.qea ID_software_architecture_files/ID_software_architecture_files_3_0.qea renamed to ID_software_architecture_files/ID_software_architecture_files_3_1.qea

@@ -1,8 +1,8 @@
 # ARCHITECTURE OF ID-SOFTWARE
 
-Document version: 30  
-Software version: 25.11  
-Last updated: 27.10.2025  
+Document version: 31  
+Software version: 26.03  
+Last updated: 17.02.2026  
 
 
 # Introduction
@@ -15,7 +15,7 @@ Main sources for information about ID-software are [www.id.ee](https://www.id.ee
 
 This document covers description of ID-software and its components, their deployment in different environments, provided and required interfaces. The document does not include components that have reached the end of their support nor the components that have not yet been released.
 
-The document is based on the latest released state of the ID-software components. At the time of writing, the latest released version of ID-software is **version 25.11**. Latest version numbers of the various ID-software components are provided at [https://www.id.ee/en/article/information-on-the-latest-software-versions/](https://www.id.ee/en/article/information-on-the-latest-software-versions/).
+The document is based on the latest released state of the ID-software components. At the time of writing, the latest released version of ID-software is **version 26.03**. Latest version numbers of the various ID-software components are provided at [https://www.id.ee/en/article/information-on-the-latest-software-versions/](https://www.id.ee/en/article/information-on-the-latest-software-versions/).
 
 The document is targeted for:
 
@@ -32,9 +32,9 @@ The document is targeted for:
 
 The software is being developed and tested by:  
 
-*   **RaulWalter** (RW, [https://www.raulwalter.com](https://www.raulwalter.com)) as the main contractor during 2019-2025;  
-*   **Nortal** ([https://nortal.com](https://nortal.com)) during 2019-2025;  
-*   **TTT** ([https://www.testijad.ee](https://www.testijad.ee)) during 2019-2025;  
+*   **RaulWalter** (RW, [https://www.raulwalter.com](https://www.raulwalter.com)) as the main contractor during 2019-2026;  
+*   **Nortal** ([https://nortal.com](https://nortal.com)) during 2019-2026;  
+*   **TTT** ([https://www.testijad.ee](https://www.testijad.ee)) during 2019-2026;  
 *   SK ID Solutions (SK, [https://www.skidsolutions.eu/en](https://www.skidsolutions.eu/en));  
 *   Aktors ([http://www.aktors.ee/wp/](http://www.aktors.ee/wp/));  
 *   CGI Estonia ([https://www.cgi.ee/et](https://www.cgi.ee/et)).
@@ -266,9 +266,6 @@ Note that not all of the external base libraries are included in the component m
 ![cmp DigiDoc4 signing components](index_files/comp_digidoc4_signing.png "cmp DigiDoc4 signing components")  
 **Figure: DigiDoc4 signing and crypto-components**
 
-![cmp DigiDoc4 management components](index_files/comp_digidoc4_eid.png "cmp DigiDoc4 management components")  
-**Figure: DigiDoc4 ID-card management components**
-
 | Component | Description | Owner |
 | - | - | - |
 | DigiDoc4 | DigiDoc4 enables handling digitally signed documents, encryption/decryption for managing ID-card’s PIN/PUK codes replacement and other services.<br/>Code repository: [https://github.com/open-eid/DigiDoc4-Client](https://github.com/open-eid/DigiDoc4-Client). | RIA |
@@ -279,6 +276,7 @@ Note that not all of the external base libraries are included in the component m
 | Central configuration repository | Described in chap. [Central configuration service](#_comp_central_conf). | RIA |
 | Central configuration client | Described in chap. [Central configuration service](#_comp_central_conf). | RIA |
 | Libdigidocpp | Described in chap. [Software libraries](#_comp_libraries). | RIA |
+| Libcdoc | Described in chap. [Software libraries](#_comp_libraries). | RIA |
 | SiVa | Described in chap. [Software libraries](#_DigiDoc4). | RIA |
 | TSL repository | Described in chap. [Software libraries](#_comp_libraries). | EU/RIA |
 | Time-stamping proxy service interface | Described in chap. [Software libraries](#_comp_libraries). | RIA |
@@ -314,9 +312,9 @@ Required:
 *   [Mobile-ID (MID) REST service](#_MID_REST_service)
 *   [Smart-ID (MID) REST service](#_SID_REST_service)
 *   [LDAP directory interface](#_LDAP_directory_interface)
-*   [CDoc 2.0 Decryption Service interface](#_CDoc_decryption_service)
 *   Interfaces with base libraries:
     *   [Libdigidocpp library’s API](#_Libdigidocpp_library’s_interfaces) – for handling documents in supported digital signature formats (ASiC, BDOC, DDOC and PDF)
+    *   [Libcdoc library’s API](#_Libcdoc_library’s_interfaces) – for handling documents in supported encryption formats (CDoc 1.0/1.1/2.0)
     *   External base libraries: Qt6, libldap, openssl
 *   Interfaces with cryptographic token’s drivers (described in chap. [Drivers](#_comp_drivers))
     *   PKCS#11 interface