On Fri, 2019-03-22 at 14:27 +0800, Lee, Chun-Yi wrote: > We found that the db in Acer machine has self signed certificates > (CN=DisablePW or CN=ABO) that they used obsolete OID 1.3.14.3.2.29 > sha1WithRSASignature and 2.5.29.1 subjectKeyIdentifier. Kernel > emits -65 error code when loading those certificates to platform > keyring: > > [ 1.484388] integrity: Loading X.509 certificate: UEFI:MokListRT > [ 1.485557] integrity: Problem loading X.509 certificate -65 > [ 1.486100] Error adding keys to platform keyring UEFI:MokListRT > > Because the -65 error code is not enough for appeasing user when > loading a outdated certificate. This patch add messages against > 1.3.14.3.2.29 and 2.5.29.1 OIDs. > > Link: https://bugzilla.opensuse.org/show_bug.cgi?id=1129471 > Cc: David Howells <dhowells@xxxxxxxxxx> > Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > Signed-off-by: "Lee, Chun-Yi" <jlee@xxxxxxxx> Reviewed-by: Mimi Zohar <zohar@xxxxxxxxxxxxx> > --- > crypto/asymmetric_keys/x509_cert_parser.c | 7 +++++++ > include/linux/oid_registry.h | 2 ++ > 2 files changed, 9 insertions(+) > > diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c > index 991f4d735a4e..bbd22d5c5b5d 100644 > --- a/crypto/asymmetric_keys/x509_cert_parser.c > +++ b/crypto/asymmetric_keys/x509_cert_parser.c > @@ -192,6 +192,8 @@ int x509_note_pkey_algo(void *context, size_t hdrlen, > pr_debug("PubKey Algo: %u\n", ctx->last_oid); > > switch (ctx->last_oid) { > + case OID_sha1WithRSASignature: > + pr_info("1.3.14.3.2.29 sha1WithRSASignature is obsolete.\n"); > case OID_md2WithRSAEncryption: > case OID_md3WithRSAEncryption: > default: > @@ -464,6 +466,11 @@ int x509_process_extension(void *context, size_t hdrlen, > return 0; > } > > + if (ctx->last_oid == OID_subjectKeyIdentifier_obsolete) { > + pr_info("2.5.29.1 subjectKeyIdentifier OID is obsolete.\n"); > + return -ENOPKG; > + } > + > return 0; > } > > diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h > index d2fa9ca42e9a..0641d5aa2251 100644 > --- a/include/linux/oid_registry.h > +++ b/include/linux/oid_registry.h > @@ -62,6 +62,7 @@ enum OID { > > OID_certAuthInfoAccess, /* 1.3.6.1.5.5.7.1.1 */ > OID_sha1, /* 1.3.14.3.2.26 */ > + OID_sha1WithRSASignature, /* 1.3.14.3.2.29 */ > OID_sha256, /* 2.16.840.1.101.3.4.2.1 */ > OID_sha384, /* 2.16.840.1.101.3.4.2.2 */ > OID_sha512, /* 2.16.840.1.101.3.4.2.3 */ > @@ -83,6 +84,7 @@ enum OID { > OID_generationalQualifier, /* 2.5.4.44 */ > > /* Certificate extension IDs */ > + OID_subjectKeyIdentifier_obsolete, /* 2.5.29.1 */ > OID_subjectKeyIdentifier, /* 2.5.29.14 */ > OID_keyUsage, /* 2.5.29.15 */ > OID_subjectAltName, /* 2.5.29.17 */
