1 files changed, 3 insertions, 2 deletions

diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index 198e60903685..b4af4ebc5be2 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -44,9 +44,10 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen,
                 }
         }
 
-        switch (sig[0]) {
+        switch (sig[1]) {
         case 1:
-                return digsig_verify(keyring[id], sig, siglen,
+                /* v1 API expect signature without xattr type */
+                return digsig_verify(keyring[id], sig + 1, siglen - 1,
                                      digest, digestlen);
         case 2:
                 return asymmetric_verify(keyring[id], sig, siglen,