Sha256 is a hashing algorithm.

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How can SHA256-hashes as input to MD5 be revealed?

I know that you shouldn't use unsalted MD5 hashes of passwords in databases. But unfortunately, people do, see https://hashes.org/public.php. From this site I downloaded a file with passwords which ...
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In DNSSec, are Delegation Signer Records always SHA-1?

I'm creating a RSA/SHA-512 Zone Signing Key and Key Signing Key at Dynect Managed DNS (corporate offering) The Delegation Signer Record that was created is SHA1. Should I be concerned about this?
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Is my current implementation of message signing on AVR sufficient and correct?

I am currently implementing a fairly simple signing library (for my personal use) to verify the identity of packets sent with the RF24Mesh library (using NRF24L01+) radios. Never made a flowchart but ...