how can identify which cryptanalysis is used ( Indistinguishability cryptanalysis against classical ciphers)
55190
How to determine which type of transposition cipher I have?
127246
How to prove the security of the PRNG?
111766
Is it possible to make sense of an unknown language by means of cryptanalysis?
68819
Timing attacks against RSA, DH and AES
121251
Do known-plaintext attacks exist for public key encryption?
45556
Is there a cryptographic algorithm which is immune to side channel attacks?
21399
Deciphering the RSA encrypted message from three different public keys
140207
How to perform frequency analysis of a substitution cipher using a Base64 alphabet
87803
Can CBC ciphertext be decrypted if the key is known, but the IV not?
139568
Can double-encrypting be easier to break then either algorithm on its own?
66942
How does order-preserving encryption work?
40853
Cipher vs. Cypher
35531
Block cipher fixed points (plaintext equal to ciphertext)
32054
How To Prove That The Rijndael Polynomial Is Irreducible?
128850
Proving an encrypted message contains (but does not 100% consist of) a plain-text message?
111491
Affine Cipher Cryptanalysis
145696
Is there a way to find $a$ and $b$ keywords in an affine cipher when only ciphertext but no plaintext is known?