Crypto Corner
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  • Introduction to Cryptography
    • Steganography
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  • Monoalphabetic Substitution Ciphers
    • Atbash Cipher
    • Pigpen Cipher
    • Caesar Shift Cipher
    • Affine Cipher
    • Mixed Alphabet Cipher
    • Other Examples
    • Frequency Analysis: Breaking the Code
    • Homophonic Substitution
  • Simple Transposition Ciphers
    • Rail Fence Cipher
    • Route Cipher
    • Columnar Transposition Cipher
    • Myszkowski Transposition Cipher
    • Permutation Cipher
    • Anagramming: Jumbling words
    • Combining Monoalphabetic and Simple Transposition Ciphers
  • Polyalphabetic Substitution Ciphers
    • Vigenère Cipher
    • Kasiski Analysis: Breaking the Code
    • Autokey Cipher
    • Other Examples
  • Fractionating Ciphers
    • Polybius Square
    • Straddling Checkerboard
    • Transposing Fractionated Text
    • Other ways to Alter Fractionated Text
  • Digraph Substitution Ciphers
    • Playfair Cipher
    • Two-Square Cipher
    • Four-Square Cipher
    • Hill Cipher

Crypto Corner Challenges

On this page you find the first of several cryptography challenges. For each one, all you need to do is decrypt the message, and submit it via the form on that page. If you are correct, you will be given the link to the next page which contains the next challenge. Good luck!
The first ciphertext which you need to decrypt is:

QZNVH YLMW'H RMGVIERVD DRGS N. SZW YVVM HSLIG. "DSZG ZYLFG RG, YLMW?" ZHPVW N. DSVM YLMW XZNV YZXP RMGL GSV ILLN ZUGVI IVZWRMT SVZW LU H.'H NVNLIZMWFN ZMW ZUGVI TZARMT ULI GVM NRMFGVH LFG LU GSV DZRGRMT ILLN DRMWLD ZG GSV WRHGZMG GIVVH RM GSV KZIP. YLMW OLLPVW ZXILHH GSV WVHP RMGL GSV HSIVDW, XOVZI VBVH. "RG'H EVIB PRMW LU BLF HRI, R'W ORPV GL WL RG. YFG R XZM'G KILNRHV GL DRM."

Type your decrypted message here:

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  • Home
    • Crypto Corner Challenges
    • Glossary
    • Help with Activities
    • Educational Uses
    • Downloadable Resources
  • Introduction to Cryptography
    • Steganography
    • Codes and Ciphers
    • Conventions in Cryptography
  • Monoalphabetic Substitution Ciphers
    • Atbash Cipher
    • Pigpen Cipher
    • Caesar Shift Cipher
    • Affine Cipher
    • Mixed Alphabet Cipher
    • Other Examples
    • Frequency Analysis: Breaking the Code
    • Homophonic Substitution
  • Simple Transposition Ciphers
    • Rail Fence Cipher
    • Route Cipher
    • Columnar Transposition Cipher
    • Myszkowski Transposition Cipher
    • Permutation Cipher
    • Anagramming: Jumbling words
    • Combining Monoalphabetic and Simple Transposition Ciphers
  • Polyalphabetic Substitution Ciphers
    • Vigenère Cipher
    • Kasiski Analysis: Breaking the Code
    • Autokey Cipher
    • Other Examples
  • Fractionating Ciphers
    • Polybius Square
    • Straddling Checkerboard
    • Transposing Fractionated Text
    • Other ways to Alter Fractionated Text
  • Digraph Substitution Ciphers
    • Playfair Cipher
    • Two-Square Cipher
    • Four-Square Cipher
    • Hill Cipher