Decrypt the data on node-red

how to decrypt data on node-red? i did data encryption using md5 on node

node-red-contrib-md5

thanks

Md5 is a hash not an encryption. It is used to verify the contents of a file or message - not for encryption - eg see https://www.howtogeek.com/67241/htg-explains-what-are-md5-sha-1-hashes-and-how-do-i-check-them/