Filippo Valsorda • 7/31/2025

Go Assembly Mutation Testing

The article discusses the challenges of testing constant-time cryptographic assembly code in Go, where traditional code coverage fails. It introduces a mutation testing framework for Go 1.26 to identify untested code and data paths, using a historical bug in P-256 assembly as a motivating example to improve security and test robustness.

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#testing #assembly #go