A.1.6 Integrity Power-Up Tests

The integrity of the Libgcrypt is tested during power-up but only if checking has been enabled at build time. The check works by computing a HMAC SHA-256 checksum over the file used to load Libgcrypt into memory. That checksum is compared against a checksum stored in a file of the same name but with a single dot as a prefix and a suffix of ‘.hmac’.

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