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      <title>NOTA RINGKAS BAB 2 (2.1.3) by NG SHER TENG Moe</title>
      <link>https://padlet.com/m10564905/ltc0orge9znros8e</link>
      <description>Menghasil dan Menterjemah mesej Menggunakan Kaedah Sifer</description>
      <language>en-us</language>
      <pubDate>2024-08-12 11:15:58 UTC</pubDate>
      <lastBuildDate>2024-08-14 10:25:45 UTC</lastBuildDate>
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      <item>
         <title>TRANSPOSITION CIPHER</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073190584</link>
         <description><![CDATA[<p><strong>&gt;Transposition Cipher ialah <mark>suatu kaedah yang mengubah kedudukan abjad dalam teks biasa. </mark></strong></p><p><strong>&gt;Transposition Cipher juga dikenali sebagai <mark>Pemutaran atau Pencampuran (scrambling) </mark></strong></p><p><strong>&gt;Terdapat 2 jenis transposition cipher iaitu:</strong></p><p><strong>     -Columnar Transposition</strong></p><p>     <strong>-Rail Fence Cipher</strong></p><p><br></p><p><strong><em>~Columnar Transposition</em></strong></p><p>  -Proses&nbsp; penyulitan dijalankan dengan&nbsp; menulisnya&nbsp; dalam&nbsp; jadual secara&nbsp; <mark>mendatar (</mark><em><mark>horizontal</mark></em><mark>)&nbsp;</mark> dengan&nbsp; <mark>bilangan&nbsp; lajur (</mark><em><mark>column</mark></em><mark>)&nbsp; yang&nbsp; telah&nbsp; ditetapkan</mark></p><p>  -Memilih <mark>satu&nbsp; perkataan&nbsp; untuk&nbsp; dijadikan&nbsp; kunci&nbsp; penyulitan</mark></p><p>  -<mark>Bilangan&nbsp; abjad&nbsp; dalam&nbsp; kunci</mark>&nbsp; akan&nbsp; <mark>menentukan&nbsp; bilangan&nbsp; lajur dalam&nbsp; jadual</mark></p><p>  -Cara&nbsp; bagi <mark>mengubah&nbsp; urutan&nbsp; abjad&nbsp; dalam&nbsp; mesej ditentukan dengan abjad-abjad&nbsp; yang&nbsp; ada&nbsp; dalam&nbsp; kunci&nbsp;</mark></p><p>  -<mark>Setiap&nbsp; abjad&nbsp; dalam&nbsp; mesej</mark>&nbsp;&nbsp; akan&nbsp;<mark> ditulis&nbsp;</mark>&nbsp; pada&nbsp;&nbsp;<mark> setiap&nbsp; petak</mark> dalam&nbsp; jadual</p><p><br></p><p><br></p><p><strong><em>~Rail Fence Cipher</em></strong></p><p><em>  -</em>Dikenali&nbsp;sebagai&nbsp;<em><mark>zig-zag&nbsp;cipher</mark></em></p><p><em>  -</em>Abjad-abjad&nbsp; <mark>teks ditulis&nbsp; semula</mark>&nbsp; mengikut&nbsp;<mark> susunan&nbsp; baris&nbsp;</mark> demi&nbsp; baris dalam <mark>bentuk&nbsp; zig-zag</mark></p><p>  -<mark>Kunci&nbsp;</mark> untuk&nbsp; <mark>penyulitan&nbsp; dan&nbsp; nyahsulit perlu dinyatakan</mark></p><p>  -<mark>Nilai&nbsp; kunci</mark>&nbsp; merujuk&nbsp; kepada&nbsp;<mark> bilangan&nbsp; baris&nbsp;</mark> yang telah digunakan.</p><p><br></p><p><br></p>]]></description>
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         <pubDate>2024-08-12 13:06:43 UTC</pubDate>
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      <item>
         <title>Pengenalan ringkas</title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073194262</link>
         <description><![CDATA[<ul><li><p>Mesin Enigma digunakan untuk menghantar pesanan semasa peperangan menggunakan Kod&nbsp;Morse.</p></li></ul><ul><li><p>Terdapat tiga jenis&nbsp;kaedah&nbsp;sifer:</p><p>   ■<strong> </strong>Reverse cipher</p><p>   ■ Substitution cipher</p><p>        ❒ <em>Caesar cipher</em></p><p>        ❒ <em>Pigpen cipher</em></p><p>   ■  Transposition cipher</p><p>        ❒ <em>Columnar transposition</em></p><p><em>        </em>❒<em>  Rail fence cipher</em></p></li></ul>]]></description>
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         <pubDate>2024-08-12 13:10:16 UTC</pubDate>
         <guid>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073194262</guid>
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      <item>
         <title>REVERSE CIPHER</title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073206645</link>
         <description><![CDATA[<p>◆ Sifer&nbsp;yang&nbsp;paling&nbsp;mudah kerana ia&nbsp;menggunakan&nbsp;kaedah songsangan&nbsp;untuk&nbsp;menyulitkan&nbsp; mesej.</p><p>◆ Terdapat tiga jenis <em>reverse cipher </em>iaitu: </p><p>    ◈ Songsangan&nbsp; berdasarkan&nbsp;abjad (A-Z).</p><p>    ◈ Songsangan&nbsp; berdasarkan&nbsp;perkataan.</p><p>    ◈ Songsangan&nbsp; berdasarkan seluruh mesej.</p>]]></description>
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         <pubDate>2024-08-12 13:22:48 UTC</pubDate>
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      <item>
         <title>SUBSTITUITION CIPHER</title>
         <author></author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073210999</link>
         <description><![CDATA[<ul><li><p>Ia menyulitkan mesej dengan menggantikan teks&nbsp;biasa&nbsp;dengan&nbsp;teks lain (sifer).&nbsp;&nbsp;</p></li><li><p>Terdapat&nbsp;dua jenis&nbsp;<em>subsitution&nbsp;cipher</em> iaitu;</p><ul><li><p><strong><em>Caesar cipher</em></strong></p></li><li><p><strong><em>Pigpen cipher</em></strong></p></li></ul></li><li><p>Substitution ciper yang&nbsp;paling&nbsp;mudah adalah <em><mark>Monoalphabetic&nbsp; substitution.</mark></em></p></li><li><p><em>Monoalphabetic</em>- <mark>menggantikan&nbsp;setiap&nbsp;abjad&nbsp;teks&nbsp;biasa kepada&nbsp;abjad&nbsp;yang&nbsp;lain.</mark></p></li><li><p><strong><em>Caesar Cipher</em></strong></p><ul><li><p><mark>Satu kaedah sifer yang paling awal digunakan oleh manusia untuk menyulitkan mesej.</mark></p></li><li><p>Dikenali&nbsp; sebagai&nbsp;<em><mark>shift&nbsp;cipher</mark></em><mark> (sifer&nbsp; anjakan)</mark> iaitu <mark>menggantikan setiap abjad dalam teks</mark> itu <mark>dengan abjad yang lain dalam susunan abjad.&nbsp;</mark></p></li></ul></li><li><p><strong>&nbsp;<em>Pigpen Cipher</em></strong></p><ul><li><p>Dikenali sebagai&nbsp; <mark>substitution cipher geometri yang mudah.</mark></p></li><li><p><mark>Setiap&nbsp; abjad&nbsp; digantikan&nbsp; dengan simbol grafik yang sepadan.</mark></p></li><li><p><mark>Garis sempadan </mark>yang <mark>menghasilkan simbol grafik unik</mark> dalam <em>Pigpen Cipher</em> ialah <mark>kunci bagi sifer ini.</mark></p></li></ul></li></ul>]]></description>
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         <pubDate>2024-08-12 13:27:50 UTC</pubDate>
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         <title>(i) Songsangan dilakukan berdasarkan abjad (A-Z)</title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073221201</link>
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         <pubDate>2024-08-12 13:38:01 UTC</pubDate>
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         <title>COLUMNAR CIPHER (Penyulitan)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073224437</link>
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         <pubDate>2024-08-12 13:41:04 UTC</pubDate>
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      <item>
         <title>(ii) Songsangan dilakukan berdasarkan perkataan</title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073226264</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-08-12 13:42:40 UTC</pubDate>
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      <item>
         <title>(iii) Songsangan dilakukan berdasarkan seluruh mesej  </title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073226849</link>
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         <pubDate>2024-08-12 13:43:16 UTC</pubDate>
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         <title>RAIL FENCE CIPHER (penyulitan)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073229119</link>
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         <pubDate>2024-08-12 13:45:16 UTC</pubDate>
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      <item>
         <title>COLUMNAR CIPHER (Nyahsulit)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073231838</link>
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         <pubDate>2024-08-12 13:47:53 UTC</pubDate>
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      <item>
         <title>RAIL FENCE CIPHER (nyahsulit)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073233857</link>
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         <pubDate>2024-08-12 13:49:59 UTC</pubDate>
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         <title>VIDEO RUJUKAN</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073238049</link>
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         <pubDate>2024-08-12 13:54:19 UTC</pubDate>
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         <title>VIDEO RUJUKAN</title>
         <author>m10555944</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3073244262</link>
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         <pubDate>2024-08-12 14:00:20 UTC</pubDate>
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      <item>
         <title>CAESAR CIPHER (PENYULITAN)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3075361935</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-08-14 09:24:33 UTC</pubDate>
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      <item>
         <title>CAESAR CIPHER (NYAHSULIT)</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3075362337</link>
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         <pubDate>2024-08-14 09:25:19 UTC</pubDate>
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      <item>
         <title>PIGPEN CIPHER</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3075363817</link>
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         <pubDate>2024-08-14 09:27:27 UTC</pubDate>
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         <title>VIDEO RUJUKAN</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3075364765</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-08-14 09:28:34 UTC</pubDate>
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      <item>
         <title>Jom ambil kuiz!</title>
         <author>m10564905</author>
         <link>https://padlet.com/m10564905/ltc0orge9znros8e/wish/3075399024</link>
         <description><![CDATA[]]></description>
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         <pubDate>2024-08-14 10:26:36 UTC</pubDate>
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