1. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Landscape of data formats used for product-data exchange: (a) components of a public key infrastructure and (b) components of a privilege management infrastructure

2. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
PDQ information usage scenarios (from Ref. [24])

3. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
X.509 components of public key infrastructure and privilege management infrastructure (from Ref. [39])

4. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Transformation network

5. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Example of a transformation network

6. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Multiple signatures support in STEP edition 3

7. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Single path versus multipath hierarchical signing

8. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Multipath flat signing

9. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Digital signature implementing in QIF 2.1

10. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
QIF extension for multipath signing strategy support

11. Date of download: 10/23/2017
Copyright © ASME. All rights reserved.
From: Embedding X.509 Digital Certificates in Three-Dimensional Models for Authentication, Authorization, and Traceability of Product Data
J. Comput. Inf. Sci. Eng. 2016;17(1): doi: /
Figure Legend:
Example process for verifying the quality of product data and embedding usage restrictions