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 web site is to provide an ad-free hash table for normal and reverse lookups. It computes the SHA-1 hash if you type in 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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