On Fri, Feb 18, 2005 at 10:24:19AM -0500, Kent Borg wrote: > Concatenating two different hashes, for example SHA-1 and MD5, > ... SHA and MD5 are weak algorithms [and we do not use it since now]. But what about old digitally signed documents? There is a protocol to re-sign our old digitally signed documents [hashed using SHA or MD5]? regards, F. -- Félix Cuello felix@xxxxxxxxxx - 249 -