CETAN SDK LICENSE AGREEMENT
Version 1.0 - © 2026 Dat Vo. All rights reserved.

IMPORTANT: This License Agreement ("Agreement") is a legal contract between you
("Licensee") and Dat Vo ("Licensor"). By installing, copying, or using the CETAN SDK
(defined below), you agree to be bound by the terms of this Agreement.

If you do not agree to the terms, do not install or use the SDK.

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1. DEFINITIONS
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1.1 "SDK" refers to the CETAN Software Development Kit, including but not
limited to: header files, libraries, binaries, documentation, tools, utilities,
and APIs provided by Licensor. This includes the CETAN REST API, SLog logging
framework, Safe secrets storage, Safe C++ API, Safe utilities, TLS subsystem,
authentication subsystem, IPFilter, and any other modules provided by Licensor.

1.2 "Application" refers to software developed by Licensee using the SDK.

1.3 "Licensor" refers to Dat Vo, the owner of the SDK.

1.4 "Licensee" refers to the individual or entity using the SDK.

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2. GRANT OF LICENSE
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2.1 License Grant  
Licensor grants Licensee a non-exclusive, non-transferable, revocable license to:

  (a) install and use the SDK solely for the purpose of developing Applications;

  (b) compile and link the SDK libraries into Applications;

  (c) distribute compiled Applications to end users.

2.2 Restrictions  
Licensee may NOT:

  (a) distribute, sublicense, sell, rent, lease, or otherwise provide the SDK,
      in whole or in part, to any third party;

  (b) modify, alter, translate, or create derivative works of the SDK;

  (c) reverse-engineer, decompile, or disassemble the SDK;

  (d) expose SDK header files, source code, or internal APIs to end users;

  (e) use the SDK to create a competing product or framework;

  (f) remove or alter any proprietary notices.

2.3 Ownership  
The SDK is licensed, not sold. Licensor retains all rights, title, and interest
in and to the SDK, including all intellectual property rights.

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3. APPLICATION DISTRIBUTION
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3.1 Rights to Distribute Applications  
Licensee may distribute compiled Applications built using the SDK, provided that:

  (a) the SDK is included only in compiled, linked, or otherwise non-extractable
      form;

  (b) Licensee does not distribute SDK header files, source code, or libraries
      in a form that allows extraction or reuse.

3.2 No Obligation to Disclose Source  
Licensee is not required to disclose the source code of their Applications.

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4. CONFIDENTIALITY
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4.1 Confidential Information  
The SDK, its design, APIs, documentation, and implementation details are
confidential and proprietary to Licensor.

4.2 Obligations  
Licensee agrees to protect the confidentiality of the SDK and not disclose it to
any third party.

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5. SUPPORT AND UPDATES
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5.1 No Obligation  
Licensor is not obligated to provide support, maintenance, updates, or bug fixes
unless separately agreed in writing.

5.2 Updates  
Any updates provided by Licensor are subject to this Agreement unless otherwise
specified.

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6. WARRANTY DISCLAIMER
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THE SDK IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, OR NON-INFRINGEMENT.

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7. LIMITATION OF LIABILITY
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IN NO EVENT SHALL LICENSOR BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF
PROFITS, DATA, OR BUSINESS INTERRUPTION, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.

Licensor’s total liability for any claim shall not exceed the amount paid by
Licensee for the SDK (if any).

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8. TERMINATION
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8.1 Termination by Licensor  
Licensor may terminate this Agreement if Licensee breaches any term.

8.2 Effect of Termination  
Upon termination, Licensee must immediately cease using the SDK and destroy all
copies in their possession.

8.3 Survival  
Sections 2.3, 4, 5, 6, and 8 survive termination.

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9. GOVERNING LAW
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This Agreement shall be governed by and interpreted in accordance with the laws
of the State of Texas, without regard to conflict-of-law principles.

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10. ENTIRE AGREEMENT
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This Agreement constitutes the entire agreement between the parties regarding the
SDK and supersedes all prior agreements or understandings.

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END OF AGREEMENT
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