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This unit implements the SHA1 hash algorithm. This algorithm is considered to be insecure and should not be used anymore if possible.
Improved descendants are SHA256, SHA384 or SHA512. Implementations of these can be found as class THashSHA2 in System.Hash.pas unit
in Delphi versions from 10.0 Seattle onwards.
|| Resets the hash algorithm's context
|| Calculates a hash sum over some chunk of data
ICS Components Reference