Learn Cipher

{{ t.quickTour.replace('{current}', activeIndex + 1).replace('{total}', slides.length) }}
{{ slides[activeIndex].tag }}

{{ slides[activeIndex].title }}

{{ slides[activeIndex].desc }}

{{ t.slideTapInstruction }}
{{ t.interactiveCaesar }} {{ t.shiftKey.replace('{val}', caesarShift) }}
{{ char }}
{{ getCaesarShiftChar(char) }}
{{ t.caesarInstruction.replace('{val}', caesarShift) }}
{{ t.gridEncryption }} "HE" → "HI"
3 3
2 5
×
H (7)
E (4)
=
H (7)
I (8)
{{ t.firstLetter }} (3×7 + 3×4) mod 26 = 7 (H)
{{ t.secondLetter }} (2×7 + 5×4) mod 26 = 8 (I)
SYS_CRACK_TERMINAL
ONLINE
{{ t.scrambledSignal }}
{{ attackResultText }}
{{ t.crackingDiff }} {{ t.securityFlaws }}
{{ t.caesarClassical }} {{ t.caesarKeys }}
0.01 ms ({{ t.instant }})
{{ t.hillClassical }} {{ t.hillKeys }}
5 ms ({{ t.instant }})
{{ t.aesModern }} {{ t.aesKeys }}
{{ t.trillionsOfYears }}
{{ t.weaknessExplanation }}
{{ t.dashboardUnlocked }}
{{ t.interactiveSimulators }}
{{ t.hackingUtilities }}
{{ t.interactiveQuiz }}