asn1parse: document behavior on unexpected tags #217

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DemiMarie wants to merge 1 commit from DemiMarie/document-unexpected-tags into development
DemiMarie commented 2025-03-21 00:23:43 -05:00 (Migrated from github.com)

Description

mbedtls_asn1_get_tag() does not change *p if it returns MBEDTLS_ERR_ASN1_UNEXPECTED_TAG, and code both inside and outside of Mbed TLS relies on this. Document this behavior.

PR checklist

  • changelog not required because: documentation-only
  • framework PR not required
  • mbedtls development PR not required because: documentation-only
  • mbedtls 3.6 PR not required because: documentation-only
  • mbedtls 2.28 PR not required because: documentation-only
  • tests not required because: documentation-only
## Description mbedtls_asn1_get_tag() does not change *p if it returns MBEDTLS_ERR_ASN1_UNEXPECTED_TAG, and code both inside and outside of Mbed TLS relies on this. Document this behavior. ## PR checklist - [x] **changelog** not required because: documentation-only - [x] **framework PR** not required - [x] **mbedtls development PR** not required because: documentation-only - [x] **mbedtls 3.6 PR** not required because: documentation-only - [x] **mbedtls 2.28 PR** not required because: documentation-only - [x] **tests** not required because: documentation-only
This pull request has changes conflicting with the target branch.
  • include/mbedtls/asn1.h
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Manual merge helper

Use this merge commit message when completing the merge manually.

Checkout

From your project repository, check out a new branch and test the changes.
git fetch -u origin 'DemiMarie/document-unexpected-tags:DemiMarie/document-unexpected-tags'
git switch 'DemiMarie/document-unexpected-tags'

Merge

Merge the changes and update on Forgejo.

Warning: The "Autodetect manual merge" setting is not enabled for this repository, you will have to mark this pull request as manually merged afterwards.

git switch 'development'
git merge --no-ff 'DemiMarie/document-unexpected-tags'
git switch 'DemiMarie/document-unexpected-tags'
git rebase 'development'
git switch 'development'
git merge --ff-only 'DemiMarie/document-unexpected-tags'
git switch 'DemiMarie/document-unexpected-tags'
git rebase 'development'
git switch 'development'
git merge --no-ff 'DemiMarie/document-unexpected-tags'
git switch 'development'
git merge --squash 'DemiMarie/document-unexpected-tags'
git switch 'development'
git merge --ff-only 'DemiMarie/document-unexpected-tags'
git switch 'development'
git merge 'DemiMarie/document-unexpected-tags'
git push origin 'development'
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Reference
gh-Mbed-TLS/TF-PSA-Crypto!217
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