# Glossary of Acronyms

**Table 7.1: Glossary of Acronyms**

| Acronym | Definition |
| :----------| :---------- |
| AES | Advanced Encryption Standard |
| API | Application Programming Interface |
| BAG | Bathymetric Attributed Grid |
| BAG-ARB | Bathymetric Attributed Grid Architecture Review Board |
| DS | Digital Signature |
| DSA | Digital Signature Algorithm |
| DSS | Digital Signature Standard |
| FSD | File Specification Document |
| HDF5 | Hierarchical Data Format, Version 5 |
| IEEE | Institute of Electrical and Electronic Engineers, Inc. |
| NS | Navigation Surface [2,3] |
| ONS | Open Navigation Surface |
| ONSWG | Open Navigation Surface Working Group |
| PK | Public Key |
| SHA | Secure Hash Algorithm |
| SHS | Secure Hash Standard |
| SI | International System of Units |
| SK | Secret Key |
| URI | Universal Resource Indicator |
| XML | eXtensible Markup Language |

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