https://www.juniper.net/documentation/en_US/junos/topics/concept/ipsec-encryption-solutions.html
AES-GCM is an authenticated encryption algorithm designed to provide both authentication and privacy
| CBC | Cipher Block Chaining | ||||
|---|---|---|---|---|---|
| |||||
| if Plain text block is 128 bits >> IV ( initialization vector ) is to avoid to start at 1 to n, instead random to another random number
| |||||
| CGM | Galois/Counter Mode | ||||
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