support config common aes secret

[tomsun28]

What's changed?

support config common aes secret

Checklist

• I hereby agree to the terms of the HertzBeat CLA
• I have read the Contributing Guide
• I have written the necessary doc or comment.
• I have added the necessary unit tests and all cases have passed.

Add or update API

• I have added the necessary e2e tests and all cases have passed.

[tomsun28]

todo, consider not init cipher in AesUtil every time and test performance

[ZY945]

todo, consider not init cipher in AesUtil every time and test performance

Does this mean using singleton (not every initialization)?

[tomsun28]

Does this mean using singleton (not every initialization)?

here we init cipher every time, want to try just initialize the cipher once and then support its use by multiple threads safely.

[ZY945]

Does this mean using singleton (not every initialization)?

here we init `cipher` every time, want to try just initialize the `cipher` once and then support its use by multiple threads safely.

I found a place to set the SecretKey, and we can try initializing Cipher by putting it into the setDefultSecretKey method.

[tomsun28]

I found a place to set the SecretKey, and we can try initializing Cipher by putting it into the setDefultSecretKey method.

yes, and we should consider the situation that not setDefultSecretKey when startup.

[ZY945]

I found a place to set the SecretKey, and we can try initializing Cipher by putting it into the setDefultSecretKey method.

yes, and we should consider the situation that not setDefultSecretKey when startup.

Is this method okay? A single instance of double check lock

[tomsun28]

Is this method okay? A single instance of double check lock

👍okay. also need in encode method. Suggest we add unit test to test it and put it anothor new pr.

[ZY945]

LGTM