Node.js crypto How to know Key and IV length for each algorithm

Asked Nov 09 '18 at 06:29

Active Nov 09 '18 at 06:29

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I'm building a desktop application intended to encrypt and decrypt file for users. I would like to let them choose the algorithm.

crypto.getCiphers() will return a list of supported algrithoms, but is there a way to know each algrithoms' Key and IV length? For example, aes256 will be 32 and 16 repectively.

asked Nov 09 '18 at 06:29

user6456568

This might help you: https://stackoverflow.com/questions/14168703/crypto-algorithm-list – schoche Nov 09 '18 at 07:49
@schoche Thanks, but I still don't know the length of key and IV for each supported algorithm – user6456568 Nov 09 '18 at 08:30
are you looking for a specific one? in TLS 1.3 there is only 5 cipher suite available? – kelalaka Nov 09 '18 at 13:27

Node.js crypto How to know Key and IV length for each algorithm

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