diff --git a/lib/gssapi/krb5/cfx.h b/lib/gssapi/krb5/cfx.h
index c30ed0784..60112a04e 100644
--- a/lib/gssapi/krb5/cfx.h
+++ b/lib/gssapi/krb5/cfx.h
@@ -62,4 +62,19 @@ typedef struct gss_cfx_delete_token_desc_struct {
 	u_char SND_SEQ[8];
 } gss_cfx_delete_token_desc, *gss_cfx_delete_token;
 
+krb5_error_code
+_gsskrb5cfx_wrap_length_cfx(krb5_crypto crypto,
+			    int conf_req_flag,
+			    size_t input_length,
+			    size_t *output_length,
+			    size_t *cksumsize,
+			    uint16_t *padlength);
+
+krb5_error_code
+_gsskrb5cfx_max_wrap_length_cfx(krb5_crypto crypto,
+				int conf_req_flag,
+				size_t input_length,
+				OM_uint32 *output_length);
+
+
 #endif /* GSSAPI_CFX_H_ */