The Secure Hash Algorithm 1 (SHA-1) is a well known and currently secure cryptographic hash function designed by the NSA. The target of this website is to provide a big hash table for normal and reverse lookups. Here you can read more about SHA-1 and this search engine. It computes the SHA-1 hash if you type less than 30 letters, otherwise it looks for the cleartext of the SHA-1 hash. Inputs will be saved if they are not in the database.


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