Simple differences between MD5 DSA and RSA

MD5 is a type of digest generation.AlgorithmIt cannot be used for signature, but it can be used for signature by adding a string of private content (hash code) after the data to be signed. However, MD5 can only defend against tampering and does not defend against denial of service, because both parties know this string of private content.

DSA and RSA are asymmetric encryption algorithms. signature keys are classified into public and private keys. The private key is used for encryption and the public key is used to verify the signature. Using the signature of this algorithm is a tamper-proofing function and a anti-denial function. Because the private key is only exclusive to the signatory.