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Add a warning about ROCA

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c0de 2023-10-04 15:30:08 -05:00
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README.md
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@ -17,6 +17,17 @@ of them depend on underlying hardware support and available
- Command and response chaining
- AES 128/256 bits deciphering primitive
## Warnings
### ROCA
[Infineon SLE78](https://www.infineon.com/cms/en/product/security-smart-card-solutions/security-controllers/contactless-and-dual-interface-security-controllers/) chips are vulnerable to [ROCA](https://crocs.fi.muni.cz/public/papers/rsa_ccs17).
This attack is only relevant if you used on-device key generation. It allows an adversary to obtain your private key, using only your public key.
There isn't much that can be done to rectify this, other than generating the private RSA keys off of your device and importing them. [Other work arounds](https://crocs.fi.muni.cz/public/papers/rsa_ccs17#detection_tools_mitigation_and_workarounds). (Using the [OpenCrypto JCMathLib](https://github.com/OpenCryptoProject/JCMathLib) to handle the cryptographic functions may work too)
Use [this tool](https://github.com/crocs-muni/roca#install-with-pip) to determine if your public keys are vulnerable.
## Default values
The SmartPGP applet is configured with the following default values: