When trying to break an encoded message by trying to guess the key, how does one recognize that the key is correct?
37032
Is there a bulletproof way to know a file has been successfully decrypted?
116546
Best way to decode unknown unicoding encoding in Python 2.5
51989
Unfamiliar characters used in JavaScript encryption script
120264
Can I find the encryption key if I know the plain text and the encrypted text (DES and AES)?
14473
How to determine the encoding of text?
39396
Breaking a small-scale Example Diffie-Hellman?
1737
How does the key schedule of Rijndael looks for keysizes other than 128 bit?
44757
How exactly is the input message of SHA-256 (pre-)processed?
41692
Why does key generation take an input $1^k$, and how do I represent it in practice?
128748
Java/JCE: Decrypting "long" message encrypted with RSA
97732
How can I decode UTF-16 data in Perl when I don't know the byte order?
14498
How to sign a message using RSA?
141747
Difficulty of breaking RSA for a given key size
101695
How to remove strict RSA key checking in SSH and what's the problem here?
94132
I can enter U+0008 (backspace character) into a chat message
35494
What is the ⎋ key?
136478
Hash keys probe and residual