1 files changed, 4 insertions, 0 deletions

diff --git a/src/lib/libcrypto/objects/obj_xref.txt b/src/lib/libcrypto/objects/obj_xref.txt
index e45b3d34b9..cb917182ee 100644
--- a/src/lib/libcrypto/objects/obj_xref.txt
+++ b/src/lib/libcrypto/objects/obj_xref.txt
@@ -13,6 +13,10 @@ sha512WithRSAEncryption	sha512	rsaEncryption
 sha224WithRSAEncryption sha224  rsaEncryption
 mdc2WithRSA             mdc2    rsaEncryption
 ripemd160WithRSA        ripemd160 rsaEncryption
+# For PSS the digest algorithm can vary and depends on the included
+# AlgorithmIdentifier. The digest "undef" indicates the public key
+# method should handle this explicitly.
+rsassaPss               undef   rsaEncryption
 
 # Alternative deprecated OIDs. By using the older "rsa" OID this
 # type will be recognized by not normally used.