8000 Add ExtractSubjectFromX509Cert and OpenSSL implementation · Issue #26427 · project-chip/connectedhomeip · GitHub
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Add ExtractSubjectFromX509Cert and OpenSSL implementation #26427

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tcarmelveilleux opened this issue May 8, 2023 · 1 comment
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Add ExtractSubjectFromX509Cert and OpenSSL implementation #26427

tcarmelveilleux opened this issue May 8, 2023 · 1 comment
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@emargolis
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attestation v1.2

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@tcarmelveilleux
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Need to document the basic interface, add OpenSSL implementation and add a unit test for:

CHIP_ERROR ExtractSubjectFromX509Cert(const ByteSpan & certificate, ByteSpan & out_subject_in_place)

This should extract the bytes of an ASN.1 X.509 certificate subject field, from in-place representation. The data is not copied-out, but rather out_subject_in_place is updated to point to the contents of the certificate. The full Subject sequence should be present.

Example of extracting the right format (based on issuer field, but it's similar for subject) is attached.

extract_cert_fields_for_dcl.py.zip
@emargolis emargolis self-assigned this May 9, 2023
@emargolis emargolis mentioned this issue May 16, 2023
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@emargolis
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Fixed with #26588

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