fbb3ad9fb4
commit ef5b52a631f8c18353e80ccab8408b963305510c upstream.
When the hash algorithm for the signature is not available the digest size
is 0 and the signature in the certificate is marked as unsupported.
When validating a self-signed certificate, this needs to be checked,
because otherwise trying to validate the signature will fail with an
warning:
Loading compiled-in X.509 certificates
WARNING: CPU: 0 PID: 1 at crypto/rsa-pkcs1pad.c:537 \
pkcs1pad_verify+0x46/0x12c
...
Problem loading in-kernel X.509 certificate (-22)
Signed-off-by: Thore Sommer <public@thson.de>
Cc: stable@vger.kernel.org # v4.7+
Fixes:
|
||
|---|---|---|
| .. | ||
| asymmetric_keys.h | ||
| asymmetric_type.c | ||
| Kconfig | ||
| Makefile | ||
| mscode.asn1 | ||
| mscode_parser.c | ||
| pkcs7.asn1 | ||
| pkcs7_key_type.c | ||
| pkcs7_parser.c | ||
| pkcs7_parser.h | ||
| pkcs7_trust.c | ||
| pkcs7_verify.c | ||
| public_key.c | ||
| restrict.c | ||
| signature.c | ||
| verify_pefile.c | ||
| verify_pefile.h | ||
| x509.asn1 | ||
| x509_akid.asn1 | ||
| x509_cert_parser.c | ||
| x509_parser.h | ||
| x509_public_key.c | ||