Practical attacks against attribute-based encryption

Demonstration of the attacks proposed in the Black Hat Europe 2021 talk "Practical attacks against attribute-based encryption" by Antonio de la Piedra and Marloes Venema (Radboud University Nijmegen).

Content

• The slide deck of our presentation
• Repository of the pypi package
• Jupyter notebooks demonstrating the attacks against DAC-MACS, YJ14 and YCT14
• A Docker image with everything ready

References

• https://www.blackhat.com/eu-21/briefings/schedule/index.html#practical-attacks-against-attribute-based-encryption-25058
• https://pypi.org/project/abeattacks/
• https://eprint.iacr.org/2020/460