This site performs reverse query on the globally publicly available encryption algorithms such as md5 and sha1, and creates a plaintext ciphertext corresponding.
As per wiki, Bcrypt is a password hashing function designed by Niels Provos and David Mazières, based on the Blowfish cipher. Bcrypt uses adaptive hash algorithm to store password which is a one-way hash of the password. BCrypt internally generates a random salt while encoding passwords and store that salt along with the encrypted password. Hence it is obvious to get different encoded results for the same string. But one common thing is that everytime it generates a String of length 60.
Following is an online tool to generate and compare Bcrypt password.
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Usage Guide - Bcrypt Online Calculator
Any plain-text input or output that you enter or we generate is not stored on this site, this tool is provided via an HTTPS URL to ensure that private keys cannot be stolen.
For bcrypt encryption, first enter the plain text that you want to encrypt. It can be any plain text. Now select the salt round. Salt round represents the cost factor and cost factor is directly propotional to amount of time needed to calculate a single BCrypt hash.Now you can submit the form to generate the bcrypt hash online for the plain text that you have entered.
![Online Online](http://securityxploded.com/images/downloadhashverifier_mainscreen_big.jpg)
Similarly, to match a hashed password you require to provide the hashed password and the plain text to match with. Doing so the tool will compare the both inputs and give result whether the hashed password and plain text matched or not as true and false.
There is a difference between Hashed which start with '2y' and others which start with '2a'. they are different variants of BCrypt from improvements over the years, some old implementations will not work with the newer ones as such I had to use this older implementation of 2a and 4 rounds to replace a hash in a db for some older software so I could get in vs other sites which use 2y.
Ideally, the older implementation should be replaced with a newer one and use more rounds over time. This can be facilitated by re-hashing the users plain text password on next login with the new way, you can do a string check on the first 6 characters (or better yet split by $ and look at first two indices).
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Other Free Tools
Example Hash Inputs
5f4dcc3b5aa765d61d8327deb882cf99 | MD5 |
5baa61e4c9b93f3f0682250b6cf8331b7ee68fd8 | SHA1 |
5e884898da28047151d0e56f8dc6292773603d0d6aabbdd62a11ef721d1542d8 | SHA256 |
$2a$10$N9qo8uLOickgx2ZMRZoMyeIjZAgcfl7p92ldGxad68LJZdL17lhWy | BCRYPT |
$1$Pl3m5Y95$t3Nk4zEXTCXDP4Vs4cL0p0 | MD5-Crypt |
Hash Formats
Hashes are usually use a hexadecimal or base64 charset. If a hash has dollar signs “$” in it, this is usually a delimiter between the salt and the hash. Example:
In this case
$1$Pl3m5Y95$t3Nk4zEXTCXDP4Vs4cL0p0
In this case
Pl3m5Y95
is the salt and t3Nk4zEXTCXDP4Vs4cL0p0
is the hash.About the Hash Analyzer
The aim of this online tool is to help identify a hash type. The tool can look at the characters that make up the hash to possibly identify which type of hash it is and what it may be used for.
Hash types this tool can positively identify:
- MD5
- SHA1 (SHA128)
- SHA2 (SHA256)
- SHA512
- MySQL
- MD5 Wordpress
- MD5 phpBB
- BCRYPT
- MD5-Crypt
- Oracle
- SHA-Crypt
- PHPS
- and more…
More Resources
There are more hash examples on the hashcat website located here:https://hashcat.net/wiki/doku.php?id=example_hashes
If you need a bunch of sample hashes you can find a bunch at Kore Logic, click the “Download the password hash file bundle”.
http://contest-2012.korelogic.com/
Here is an article on how to crack hashes.Keywords: hash type online, identify hash online, hash type identifier online.