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30eae2b037
linux/crypto/asymmetric_keys
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Eric Snowberg 30eae2b037 KEYS: X.509: Parse Basic Constraints for CA 
Parse the X.509 Basic Constraints.  The basic constraints extension
identifies whether the subject of the certificate is a CA.

BasicConstraints ::= SEQUENCE {
        cA                      BOOLEAN DEFAULT FALSE,
        pathLenConstraint       INTEGER (0..MAX) OPTIONAL }

If the CA is true, store it in the public_key.  This will be used
in a follow on patch that requires knowing if the public key is a CA.

Link: https://www.rfc-editor.org/rfc/rfc5280#section-4.2.1.9
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
2023-04-24 16:15:53 +03:00
..
asymmetric_keys.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
asymmetric_type.c keys: X.509 public key issuer lookup without AKID 2022-01-09 00:18:42 +02:00
Kconfig crypto: certs: fix FIPS selftest dependency 2023-02-13 10:00:41 +02:00
Makefile certs: Add FIPS selftests 2022-06-21 16:05:12 +01:00
mscode_parser.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
mscode.asn1 pefile: Parse the "Microsoft individual code signing" data blob 2014-07-09 14:58:37 +01:00
pkcs7_key_type.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
pkcs7_parser.c pkcs7: support EC-RDSA/streebog in SignerInfo 2022-08-03 23:56:20 +03:00
pkcs7_parser.h crypto: asymmetric_keys: fix some comments in pkcs7_parser.h 2021-01-21 16:16:09 +00:00
pkcs7_trust.c keys: X.509 public key issuer lookup without AKID 2022-01-09 00:18:42 +02:00
pkcs7_verify.c asymmetric_keys: log on fatal failures in PE/pkcs7 2023-03-21 16:23:56 +00:00
pkcs7.asn1 PKCS#7: Appropriately restrict authenticated attributes and content type 2015-08-12 17:01:01 +01:00
pkcs8_parser.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
pkcs8.asn1 KEYS: Implement PKCS#8 RSA Private Key parser [ver #2] 2018-10-26 09:30:46 +01:00
public_key.c KEYS: asymmetric: Fix ECDSA use via keyctl uapi 2023-02-13 10:11:20 +02:00
restrict.c keys: X.509 public key issuer lookup without AKID 2022-01-09 00:18:42 +02:00
selftest.c certs: Add FIPS selftests 2022-06-21 16:05:12 +01:00
signature.c crypto: cleanup comments 2022-03-03 10:49:20 +12:00
verify_pefile.c asymmetric_keys: log on fatal failures in PE/pkcs7 2023-03-21 16:23:56 +00:00
verify_pefile.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
x509_akid.asn1 X.509: Extract both parts of the AuthorityKeyIdentifier 2015-08-07 16:26:13 +01:00
x509_cert_parser.c KEYS: X.509: Parse Basic Constraints for CA 2023-04-24 16:15:53 +03:00
x509_loader.c wifi: cfg80211: Deduplicate certificate loading 2023-01-19 14:46:45 +01:00
x509_parser.h certs: Add FIPS selftests 2022-06-21 16:05:12 +01:00
x509_public_key.c certs: Add FIPS selftests 2022-06-21 16:05:12 +01:00
x509.asn1 KEYS: x509: clearly distinguish between key and signature algorithms 2022-03-08 10:33:18 +02:00