How to extract public key from X509 certificate in javascript or angular 2

[pratik pandey]

-----BEGIN CERTIFICATE-----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\r\nGXUxpP5A9BfwWFbeqaHx8Tcn0x8YB1r/dAQlE0G/VTsEiugxig==\r\n-----END CERTIFICATE-----

how to extract public key from above certificate in angular 2 or javascript

[Sander Elias]

Hi Pratik,

Have a look at PKIjs

Regards

Sander

[pratik pandey]

Tried this also bt didn't worked 

..it's saying that it's not a function or undefined

....

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[Sander Elias]

Hi Pratik,

Probably you used NPM to get it. As far as i know, there is no correct working @types fie for the thing. Enable Aloowjs is your tsconfig, and import it something like this:

import * as PKI from "pkijs"

I don't have time now to build a sample.

Regards

Sander

[pratik pandey]

Hi Sander,

What i have done is NPM i PKIJS.

After which i got this in my package.json-lock

"pkijs": {

"version": "2.1.36",

"resolved": "https://registry.npmjs.org/pkijs/-/pkijs-2.1.36.tgz",

"integrity": "sha512-AlFMOtvh00xK3+iXxz3zRiHeGoStj58OQlV9gKrnqjvfG1mEzyxddRAwQNtvn2enSrtFrgP4IpIgDaUwE/aDLQ==",

"requires": {

"asn1js": "2.0.19",

"pvutils": "1.0.12"

}

},

After this i used this to import in my ts file

import Certificate from "pkijs";

but when i call   Certificate. something

its shows undefined function.

Pplease Help If possible.

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[pratik pandey]

Also Sander,

Can you tell me the steps to include things the way you are saying.

or share some sample.