# nfc-developer/sdm-backend

<https://repo.masters-masters.com/en/repos/nfc-developer/sdm-backend>

[Home](https://repo.masters-masters.com/en) › [nfc-developer](https://repo.masters-masters.com/en/owners/nfc-developer) › [sdm-backend](https://repo.masters-masters.com/en/repos/nfc-developer/sdm-backend)

nfc-developer/sdm-backend has 117 stars on GitHub. Its RepoMasters card: Prototype tier. Backend server for Secure Dynamic Messaging (SDM). Supports…

| Field | Value |
| --- | --- |
| Owner | [nfc-developer](https://repo.masters-masters.com/en/owners/nfc-developer) |
| Stars | 117 |
| Forks | 67 |
| Language | [Python](https://repo.masters-masters.com/en/languages/python) |
| License | MIT |
| Created | 2019 |
| Topics | ntag, ntag424, nfc-tag, nfc |
| Tier | [Prototype (100 to 249 ★)](https://repo.masters-masters.com/en/ranks/rush) |
| View on GitHub | [nfc-developer/sdm-backend](https://github.com/nfc-developer/sdm-backend) |

## Repository

Backend server for Secure Dynamic Messaging (SDM). Supports decryption of PICCData, SDMENCFileData, and validation of SDMMAC. Compatible with NTAG 424 DNA (both variants). Written in Python 3 Flask. Pull requests welcome.

The tier for repos with 100 to 249 ★. Published odds per card pulled: 70%. Rarity: Common.

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Data: GitHub · Illustration drawn by RepoMasters from the repo’s ID and its language color.