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What are the common "selective encryption" algorithms?
Symmetric encryption algorithm (secret key encryption) and asymmetric encryption algorithm (public key encryption).

Symmetric encryption algorithm is used to encrypt sensitive data and other information. Commonly used algorithms include:

DES (Data Encryption Standard): A high-speed data encryption standard, which is suitable for encrypting a large amount of data.

3DES(Triple DES): Based on DES, a piece of data is encrypted three times with three different keys, which is more powerful.

AES (Advanced Encryption Standard): Advanced encryption standard, which is the next generation high-speed and high-security encryption algorithm standard;

Auger electron spectroscopy

Common asymmetric encryption algorithms are as follows:

RSA: Invented by RSA Company, it is a public key algorithm that supports variable-length keys, and the length of the file block to be encrypted is also variable.

DSA (Digital Signature Algorithm): Digital signature algorithm, which is a standard DSS (Digital Signature Standard);

ECC (Elliptic Curve Cryptography): Elliptic Curve Cryptography.

Hash algorithm