PasswordDeriveBytes for PL/SQL

How to implement PasswordDeriveBytes (c#) in Oracle PL/SQL? Many examples are in Java or c#.

Kind regards.

You started this thread saying you know many implementations in c# and java. How is possible to convert one of these examples of pl/sql?

If I take the first link I find using https://www.google.com/?gws_rd=ssl#newwindow=1&q=PasswordDeriveBytes+java , http://stackoverflow.com/questions/21480202/encryption-result-in-java-and-net-are-not-same I see a java implementation. And transformed into pl/sql.

  function PasswordDeriveBytes
    ( passPhrase varchar2
    , saltValue raw
    , hashAlgorithm varchar2 := 'SHA1'
    , iterations pls_integer := 100
    , len pls_integer := null
    )
  return raw
  is
    rv raw(1000);
    tmp raw(1000);
    htype pls_integer := case hashAlgorithm
                           when 'MD5'  then dbms_crypto.hash_md5
                           when 'SHA1' then dbms_crypto.hash_sh1
                         end;
  begin
    tmp := dbms_crypto.hash( utl_raw.concat( utl_i18n.string_to_raw( passPhrase )
                                           , saltValue
                                           )
                           , htype
                           );
    for i in 1 .. iterations - 2
    loop
      tmp := dbms_crypto.hash( tmp, htype );
    end loop;
    rv := dbms_crypto.hash( tmp, htype );
    if len is not null
    then
      for i in 1 .. trunc( ( len - 1 ) / utl_raw.length( rv ) )
      loop
        rv := utl_raw.concat( rv, dbms_crypto.hash( utl_raw.concat( utl_raw.cast_to_raw( i ), tmp ), htype ) );
      end loop;
      rv := utl_raw.substr( rv, 1, len );
    end if;
    return rv;
  end;

Two minutes

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