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Hash Identifier

Tool to identify a hash (hash fingerprint) automatically and recognize the algorithm(s) potentially used. Identifier/Analyzer for 350+ hashes online.

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Hash Identifier -

Tag(s) : Modern Cryptography, Informatics

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Hash Identifier

Hash Identifier


Answers to Questions (FAQ)

What is a Hash identifier? (Definition)

A hash identifier is a tool that allows you to recognize the type of hash from a list of known hash functions. Given an unknown hash, the identifier determines which hash function was likely used to generate it.

There are hundreds of hashing algorithms, the majority return a hash as a number, usually stored in hexadecimal format. But the length of this number, some additional characters or the format of the final string allows to recognize what type of algorithm was used.

How to use the Hash identifier?

Indicate the character string that serves as a fingerprint. Take care not to add unnecessary elements, such as a space or a stop at the end, as these irrelevant characters could confuse the detector.

Example: e9837d47b610ee29399831f917791a44 is a hash of the MD5 algorithm (32 hexadecimal characters)

Sometimes there are many other algorithms that have the same hash format, impossible to know which function was used without testing them all.

How to decrypt the Hash once identified?

By their nature, hashes cannot be decoded/hashed (this is one-way encryption). However, dCode offers tools for the most used hash types, which use dictionaries of hashes (rainbow tables) generated from the most common passwords.

See the dedicated pages: MD5, SHA-1, SHA256, etc.

How to does the hash identifier works?

The identifier compares the unknown hash to hash patterns generated by different hash functions. Depending on the length of the hash and the alphanumeric format, it can deduce which function most likely matches.

The identifier uses a database of over 400 hash algorithm formats called Haiti. This database was developed by Orange Cyberdefense here (MIT License) and maintained by noraj.

Source code

dCode retains ownership of the "Hash Identifier" source code. Except explicit open source licence (indicated Creative Commons / free), the "Hash Identifier" algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the "Hash 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 "Hash Identifier" are not public, same for offline use on PC, mobile, tablet, iPhone or Android app!
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Cite dCode

The copy-paste of the page "Hash Identifier" or any of its results, is allowed (even for commercial purposes) as long as you credit dCode!
Exporting results as a .csv or .txt file is free by clicking on the export icon
Cite as source (bibliography):
Hash Identifier on dCode.fr [online website], retrieved on 2024-06-24, https://www.dcode.fr/hash-identifier

Need Help ?

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NB: for encrypted messages, test our automatic cipher identifier!

Questions / Comments

Feedback and suggestions are welcome so that dCode offers the best 'Hash Identifier' tool for free! Thank you!


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