![]() Except explicit open source licence (indicated Creative Commons / free), the "Cipher Identifier" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or the "Cipher Identifier" functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for "Cipher Identifier" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app! Ask a new question Source codeĭCode retains ownership of the "Cipher Identifier" source code. Regularly the database is updated and new ciphers are added which allows to refine the results. ![]() ![]() At the input layer there are the coded messages (with ngrams), and at the output layer the different types of known and referenced ciphers on dCode. The program is based on a neural network type architecture, more precisely a multilayer perceptron (MLP). The encryption used is very rare: dCode can detect nearly 200 different ciphers and continues to improve thanks to your feedback and messages, but it is not impossible that some ciphers are still unknown/missing. Identification is, in essence, difficult. The encryption used is recent: modern cryptography techniques are such that it is impossible to recognize an encrypted message from a random message, it is moreover a quality of a good encryption. The message is over-encrypted: several successive encodings / ciphers have been applied, the over-encryption tends to mask the characteristic signatures of the original encryption. Furthermore, nearly all messages can be stored in binary, identifying the encryption precisely is difficult. The message has a low entropy: it is composed of few distinct characters (a binary message containing only 0s and 1s has a low entropy). The possibilities become very numerous without a way to precisely identify the encryption. ![]() The message is too short: a message containing not enough characters does not allow a good frequency analysis to be performed. Sometimes the cipher identifier finds little or no relevant result, several reasons are possible: ![]()
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