8000 Add ExtractIssuerFromX509Cert and OpenSSL implementation · Issue #26426 · project-chip/connectedhomeip · GitHub
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Add ExtractIssuerFromX509Cert and OpenSSL implementation #26426

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tcarmelveilleux opened this issue May 8, 2023 · 0 comments · Fixed by #26588
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Add ExtractIssuerFromX509Cert and OpenSSL implementation #26426

tcarmelveilleux opened this issue May 8, 2023 · 0 comments · Fixed by #26588
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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 ExtractIssuerFromX509Cert(const ByteSpan & certificate, ByteSpan & out_issuer_in_place)

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

Example of extracting the right format is attached.

extract_cert_fields_for_dcl.py.zip
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@emargolis emargolis

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