--- a/src/p11_slot.c
+++ b/src/p11_slot.c
@@ -238,6 +238,7 @@ int pkcs11_login(PKCS11_SLOT *slot, int so, const char *pin, int relogin)
 			return -1;
 	}
 
+	printf("[SCLE] PIN: %s\n", pin);
 	rv = CRYPTOKI_call(ctx,
 		C_Login(spriv->session, so ? CKU_SO : CKU_USER,
 			(CK_UTF8CHAR *) pin, pin ? (unsigned long) strlen(pin) : 0));