HMAC hash encryption

HMAC hash encryptionIntroduction

1. HMAC (HMAC) is a Hash function based Message Authentication Code.

2, the design of HMAC is based on the hash function, which uses a key and a hash function to generate a fixed-length summary that is used to verify the integrity and origin of the message.

3, the security of HMAC depends on the security of the hash function and the confidentiality of the key, and HMAC is also considered to be very secure.

4. HMAC is suitable for data integrity verification and identity authentication.