It is not possible for now. The WebCryptoApi does not support using keys stored in external keystores like smartcards, Mozilla keystore or Windows KeyStore (used by Chrome and Explorer), and reading the comments of the last conferences, it is not a current priority. There is another Javascript API specification of W3C to be used with … Read more
Web cryptography api does not support PKCS # 12. You can use a third party library to decode the p12 as forge https://github.com/digitalbazaar/forge#pkcs12 and load privateKey in webcrypto Reading the PKCS#12 certificate PKCS#12 is stored in DER, so first read it from a File or use a pre-stored base64 //Reading certificate from a ‘file’ form … Read more
It is technically possible to do this, in-fact it is one of the scenarios we had in mind when we made PKIjs (which is why there is this sample) – https://pkijs.org/examples/PDFexample.html That said to do signing requires working with the PDF structure itself, which either requires a custom parser or modifications to an existing one … Read more