u-boot/lib/crypto/mscode.asn1
AKASHI Takahiro b124efc09f lib: crypto: add mscode_parser
In MS authenticode, pkcs7 should have data in its contentInfo field.
This data is tagged with SpcIndirectData type and, for a signed PE image,
provides a image's message digest as SpcPeImageData.

This parser is used in image authentication to parse the field and
retrieve a message digest.

Imported from linux v5.19-rc, crypto/asymmetric_keys/mscode*.
Checkpatch.pl generates tones of warnings, but those are not fixed
for the sake of maintainability (importing from another source).

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
2022-07-05 14:37:16 +02:00

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Groff

--- Microsoft individual code signing data blob parser
---
--- Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
--- Written by David Howells (dhowells@redhat.com)
---
--- This program is free software; you can redistribute it and/or
--- modify it under the terms of the GNU General Public Licence
--- as published by the Free Software Foundation; either version
--- 2 of the Licence, or (at your option) any later version.
---
MSCode ::= SEQUENCE {
type SEQUENCE {
contentType ContentType,
parameters ANY
},
content SEQUENCE {
digestAlgorithm DigestAlgorithmIdentifier,
digest OCTET STRING ({ mscode_note_digest })
}
}
ContentType ::= OBJECT IDENTIFIER ({ mscode_note_content_type })
DigestAlgorithmIdentifier ::= SEQUENCE {
algorithm OBJECT IDENTIFIER ({ mscode_note_digest_algo }),
parameters ANY OPTIONAL
}