Resource Integrity

From MgmtWiki
Revision as of 21:32, 2 May 2022 by Tom (talk | contribs) (Subresource Integrity)

Jump to: navigation, search

Full Title or Meme

The ability of the receiver to determine that a received resource has not be tampered with before it is used.

Context

  • Where a digital device is dependent on the received resource being an exact duplicate of that produced by a trusted party, some sort of authentication code is suppled. Cryptography is used to assure that no attacker could alter the contents without the receiver detecting the alteration.
  • This is also known a tamper evident protection.

Problems

Solutions

Code Signing

Subresource Integrity

  • SRI for the browser is a security feature that enables browsers to verify that resources they fetch (for example, from a CDN) are delivered without unexpected manipulation. It works by allowing you to provide a cryptographic hash that a fetched resource must match.

References