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I want to create or calculate a unique 8-digit ID (checksum/hash/etc) for variable-sized texts. I am not sure the ID has to be a certain limited length depending on the length of the actual text, but I would like the ID to be as small as possible. I definitely don't want a GUID. EXAMPLE: Name comment ------ -------------------- car neon. sumvac is not my favorite any more but i do like the cooler autom car neon. RESULT: ID Name comment -------- ------ ------------ AT1UW72Z car neon. 0B1UR7PY sumvac is not my favorite any more but i do like the cooler autom AT1UW72Z car neon. I want to add RESULT to a database table. Duplicates are okay since I can use a query to remove them from a query/report run. Or, I can remove them completely (at a later time) and just have unique table entries. But in general, duplicate entries are acceptable. Is there anything already included in Delphi that supports this? I will be working in XE7 and/or 12.2 IDE's. Thanks in advanced.