https://github.com/jocover/esp32_u2f

Create a FIDO2/U2F token using ESP32
https://github.com/jocover/esp32_u2f

esp32 esp32s2 esp32s3 fido2 openpgp passkeys u2f

Last synced: 6 days ago
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Create a FIDO2/U2F token using ESP32

• Host: GitHub
• URL: https://github.com/jocover/esp32_u2f
• Owner: jocover
• License: gpl-3.0
• Created: 2024-01-13T01:41:23.000Z (9 months ago)
• Default Branch: main
• Last Pushed: 2024-06-28T07:58:06.000Z (3 months ago)
• Last Synced: 2024-09-22T16:02:21.536Z (11 days ago)
• Topics: esp32, esp32s2, esp32s3, fido2, openpgp, passkeys, u2f
• Language: C
• Homepage:
• Size: 366 KB
• Stars: 82
• Watchers: 2
• Forks: 14
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
| Supported Targets | ESP32-S2 | ESP32-S3 |

| ----------------- | -------- | -------- |

# ESP32 U2F Security Key.

Turns your cheap ESP32 U2F token.

### Hardware Required

Any ESP board that have USB-OTG supported.

### Flash Example

> **WARNING**

> using erase_flash will lose all stored keys

```

# Erase first 1MB size

esptool erase_region 0x0 0x100000

```

Flash binaries:

esp32s2

bootloader address is 0x1000

```

esptool --chip esp32s2  write_flash --flash_mode dio --flash_size 2MB --flash_freq 80m 0x1000 bootloader/bootloader.bin 0x8000 partition_table/partition-table.bin 0x10000 esp32_u2f.bin

```

esp32s3

bootloader address is 0x0

```

esptool --chip esp32s3  write_flash --flash_mode dio --flash_size 2MB --flash_freq 80m 0x0 bootloader/bootloader.bin 0x8000 partition_table/partition-table.bin 0x10000 esp32_u2f.bin

```

### Tools

[espressif esptool](https://github.com/espressif/esptool/releases)

### License

[GNU General Public License v3.0](https://www.gnu.org/licenses/gpl-3.0.html)