About SHA256 hash algorithm:

The SHA256 (Secure Hash Algorithm 256) is a widely used cryptographic hash function producing a 512-bit (64 characters) hash value from any string taken as input. Hash function is irreversible, it is not possible to obtain the plaintext only from the hash. There is one and only one way to decrypt hash code is to compare it with a database using our online hash code decrypter.

SHA256 is one of the successor hash functions to SHA1 and SHA256 is one of the strongest hash functions available. Sha256 algorithm was developed by the United States National Security Agency (NSA) to solve the security problem of Sha1, since the theoretical discover of a 2^63 operations for collisions.

SHA256 includes significant changes from its predecessor, SHA1. SHA256 are novel hash functions computed with 32-bit words. SHA256 and SHA512 use different shift amounts and additive constants, but their structures are otherwise identical, the differing only is in the number of rounds.

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