crypto_sha256()

    
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Returns an SHA256 hash of buffer. Secure Hash Algorithm. May not be available on platforms running versions of OpenSSL Older than v0.9.8.
Syntax 
crypto_sha256( buffer var, format, result var )
Returns 1 on success, 0 on failure. (including OpenSSL not being available)
  • buffer = value to hash by reference
  • output_format = 'hex' or 'binary'. Anything else will result in binary output.
  • output = returned sha1 hash value.
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