Top "Cryptography" questions

What does tilde(~) operator do?

I recently saw the above operator in a code,I googled for it but found nothing.The code is below.…

c cryptography

Digital signature for a file using openssl

Is there a way to digitally sign a x509 certificate or any document using openssl?

cryptography openssl rsa

How can I hash passwords in postgresql?

I need to hash some passwords with salt on postgresql, and I haven't been able to find any relevant documentation …

security postgresql hash cryptography salt

How do I hash a string with Delphi?

How do I make an MD5 hash of a string with Delphi?

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Salting Your Password: Best Practices?

I've always been curious... Which is better when salting a password for hashing: prefix, or postfix? Why? Or does it …

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Converting a md5 hash byte array to a string

How can I convert the hashed result, which is a byte array, to a string? byte[] bytePassword = Encoding.UTF8.GetBytes(…

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How can I decrypt a HMAC?

I can make an HMAC using the following: var encrypt = crypto.createHmac("SHA256", secret).update(string).digest('base64'); I …

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What is the Difference between a Hash and MAC (Message Authentication code)?

What is the Difference between a Hash and MAC (Message Authentication code)? By their definitions they seem to serve the …

hash cryptography terminology

How to create md5 hash in bash in Mac OS X

How can you create an md5 hash for a string on a mac using bash? md5sum does not exist …

macos bash cryptography

Where do you store your salt strings?

I've always used a proper per-entry salt string when hashing passwords for database storage. For my needs, storing the salt …

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