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I Built a Flutter Plugin That Generates Crypto Keys Inside Your Phone's Hardware Chip

by Sagar Ghag dev.to

3 min read

Flutter has no native way to generate a cryptographic key inside the device's hardware security chip and sign something with it. You can store keys in the Secure Enclave on iOS or StrongBox on Android, but you have to write Swift and Kotlin yourself, bridge it through method channels, handle the three different signature formats each platform returns, and then figure out how to make the result us…

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