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- [ ] Create API for Replacement Cipher
- [ ] Implement the algorithm
- [ ] Update docs
Reference https://en.wikipedia.org/wiki/Substitution_cipher
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Implement cryptanalytic techniques for the following classical ciphers:
* Hill or matrix cipher
* #7123 shift cipher
* #7124 affine cipher
* #15756 substitution cipher
* transposition cipher
* #723…
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If a substitution is made during frequency analysis, for example A->G, all the characters 'A', will be substituted with 'g' in the cipher text.
When deciding to change the substitution to something l…
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plugins
cipher - cipher isodate text -- substitution cipher based on the date. ISO dates look like this: 2013-11-13 (13th nov 2013). use decipher to, uh, decipher
cipherlist
decipher - d…
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## *Hosting Request*
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- **Hos…
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The file /sympy/crypto/crypto.py has implementations many classic ciphers (eg. substitution cipher methods).
I would like to extend this file by adding transposition cipher methods
(Eg. [Columnar…
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#22 Caesar Cipher Technique is the simple and easy method of encryption technique.
#It is simple type of substitution cipher.
#Each letter of plain text is replaced by a letter with some fixed numbe…
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Come up with more ways to decrypt messages that are solvable by human players
- Substitution Cipher
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- [x] Substitution
- [x] Caeser shift
- [x] Vigenere
- [x] Columnar Transposition
- [x] Railfence
- [x] Hill cipher
- [ ] Playfair
- [ ] Bifid
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Cesar cipher is a simple substitution cipher that can either be decrypted with a key (any natural number) or by brute-force (i. e. by trying all possible keys).