= Texas Instruments signing key controversy
{wiki=Texas_Instruments_signing_key_controversy}
The Texas Instruments signing key controversy refers to a situation involving the security of devices that utilize Texas Instruments' (TI) proprietary firmware signing keys. In 2019, it was discovered that these signing keys had been leaked, enabling unauthorized modifications to the firmware of various TI devices, including calculators and embedded systems. The significance of this leak lies in the fact that firmware signing keys are crucial for ensuring the integrity and authenticity of software running on hardware.
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