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authorDavid Howells <dhowells@redhat.com>2014-07-31 14:46:44 +0100
committerDavid Howells <dhowells@redhat.com>2014-07-31 14:46:44 +0100
commit412eccbadfbb1521e62ae53db57d782d6bc36993 (patch)
treeb586323b6a88ebb192178eec2c6955db2a1d901a /crypto
parent5ce43ad28262115a1eab866392f8cfb985094160 (diff)
downloadlinux-stericsson-412eccbadfbb1521e62ae53db57d782d6bc36993.tar.gz
PKCS#7: X.509 certificate issuer and subject are mandatory fields in the ASN.1
X.509 certificate issuer and subject fields are mandatory fields in the ASN.1 and so their existence needn't be tested for. They are guaranteed to end up with an empty string if the name material has nothing we can use (see x509_fabricate_name()). Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/asymmetric_keys/pkcs7_verify.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/crypto/asymmetric_keys/pkcs7_verify.c b/crypto/asymmetric_keys/pkcs7_verify.c
index 51ff36f3a913..c62cf8006e1f 100644
--- a/crypto/asymmetric_keys/pkcs7_verify.c
+++ b/crypto/asymmetric_keys/pkcs7_verify.c
@@ -190,14 +190,12 @@ static int pkcs7_verify_sig_chain(struct pkcs7_message *pkcs7,
if (ret < 0)
return ret;
- if (x509->issuer)
- pr_debug("- issuer %s\n", x509->issuer);
+ pr_debug("- issuer %s\n", x509->issuer);
if (x509->authority)
pr_debug("- authkeyid %s\n", x509->authority);
if (!x509->authority ||
- (x509->subject &&
- strcmp(x509->subject, x509->issuer) == 0)) {
+ strcmp(x509->subject, x509->issuer) == 0) {
/* If there's no authority certificate specified, then
* the certificate must be self-signed and is the root
* of the chain. Likewise if the cert is its own