Understanding Have I Been Pwned's Use of SHA-1 and k-Anonymity
Troy Hunt
JUNE 30, 2022
Every time this very blog loads Font Awesome from Cloudflare's CDN, for example, it's verified against the hash in the integrity attribute of the script tag (view source for yourself). We also use hashes when implementing subresource integrity (SRI) on websites to ensure external dependencies haven't been modified.
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