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Appendix C: wrap keys with at least the strength of the wrapped key - #3434

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cvas22:fix/2511-key-wrapping-note
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cvas22 wants to merge 1 commit into
OWASP:masterfrom
cvas22:fix/2511-key-wrapping-note

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@cvas22

@cvas22 cvas22 commented Nov 10, 2026

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Adds the note from #2511 to the Key Wrapping section of Appendix C: the wrap key must be at least as strong as the key it protects, with the AES-256/AES-128 example. I used "security strength" instead of key length in bits so it also reads right for private keys wrapped with a symmetric key, which was one of the open questions in the issue, and pointed to the equivalent strengths table above it.

It's appendix text, not a requirement, so I didn't add change control tags.

Closes #2511

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Requirement about key wrapping

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