wangyp0701 commented on issue #3334:
URL: https://github.com/apache/apisix/issues/3334#issuecomment-1898182140
This is the lua script I used
```lua
access_by_lua_block {
local hmac = require("resty.hmac")
local secret = 'admin1'
local message = [[
GET
/get
age=36&name=james
admin2
Thu, 18 Jan 2024 06:51:16 GMT
User-Agent:curl/7.29.0
]]
local digest = hmac:new(secret, hmac.ALGOS.SHA256):final(message)
--to lowercase hexits
--ngx.say(digest)
--to base64
ngx.say(ngx.encode_base64(digest))
}
```
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