diff --git a/lib/krb5/mit_glue.c b/lib/krb5/mit_glue.c
index d52aabd07..333d0e532 100644
--- a/lib/krb5/mit_glue.c
+++ b/lib/krb5/mit_glue.c
@@ -325,3 +325,11 @@ krb5_c_make_random_key(krb5_context context,
 {
     return krb5_generate_random_keyblock(context, enctype, random_key);
 }
+
+krb5_error_code KRB5_LIB_FUNCTION
+krb5_c_keylength(krb5_context context,
+		 krb5_enctype enctype,
+		 size_t *len)
+{
+    return krb5_enctype_keysize(context, enctype, len);
+}