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tink-crypto / tink-java

Java implementation of Tink
https://developers.google.com/tink
Apache License 2.0
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FIPS release #25

Closed ber4444 closed 8 months ago

ber4444 commented 8 months ago

Help us help you

Tell us more about your Tink deployment.

Is your feature request related to a problem?

I am facing this issue using com.google.crypto.tink:tink-android:1.12.0 and I believe a FIPS compatible binary would resolve this.

There are also other vulnerabilities like hardcoded crypto encryption in com.google.crypto.tink.subtle.AesEaxJce, which would be dead code and resolved with FIPS based on https://github.com/tink-crypto/tink-java/blob/e079e833f86e21cd619b93887954a5773991144b/src/main/java/com/google/crypto/tink/aead/AeadConfig.java#L140

What sort of feature would you like to see?

Describe your feature request. Or, how can we help solve the problem you noted above?

This page states FIPS is only supported for C++ but I see relevant code in the Java repo

Have you considered any alternative solutions?

Use Facebook Conceal

Would you like to add additional context?

Vulnerability reports from a DAST tool

tholenst commented 8 months ago

I commented on the linked bug. Let me know if there are more issues.

ber4444 commented 8 months ago

Thanks, can we have documentation about creating a FIPS build for Java?

tholenst commented 8 months ago

Tink doesn't need any special instructions. You can call TinkFips.restrictToFips(); in your binary as a first thing to make Tink try to do its best to ensure FIPS compliance.

You need to have conscrypt installed though, and it needs to be new enough and be built in fips compliant mode. I don't know how that works. Tink tries to fail if conscrypt isn't in the correct mode.