我想尝试解码我的欧盟 covid 护照,并找到python 的这些说明。我试图在我更熟悉的nodejs中做到这一点
有一个3阶段的过程
- 解码 Base 45
- 解压
- 提取cos数据
我有下面的代码,但是 cose.encrypt.read 遇到错误的 catch 方法Unknown tag, 18
有任何想法吗?
const base45 = require("base45");
const zlib = require("zlib");
const cose = require("cose-js");
passport =
"HC1:NCFO...";
// removes HC1:
payload = passport.slice(4);
// returns buffer
const decoded = base45.decode(payload);
// Use inflate https://stackoverflow.com/questions/47652769/zlib-node-js-cant-extract-compressed-data-from-python
const decompressed = zlib.inflateSync(decoded);
console.log(decompressed);
cose.encrypt
.read(decompressed)
.then((buf) => {
console.log("Protected message: " + buf.toString("utf8"));
})
.catch((error) => {
console.log("!!", error);
});