Em domingo, 13 de janeiro de 2013 10h22min21s UTC-2, mbarbiero escreveu:
>
> Hi...
> I have a problem in SHA1withRSA signature using BouncyCastle on Android:
> BouncyCastle signature value does not match with dotNET signature value.
> I tryed to use many algorithms like "SHA1withRSA", "SHA1withRSAAndMGF1" or
> "SHA1withRSA/ISO9796-2" with no satisfactory results.
> If I use the same message, same algorithm and the same private key, the
> result must be identical in dotNet and BoucyCastle... is it?
> Whats wrong in my code???
>
> *Getting the privateKey:*
> ...
> ks = KeyStore.getInstance("PKCS12");
> ...
> key = ks.getKey(alias, senha.toCharArray());
> if (key instanceof PrivateKey) {
> privateKey = (PrivateKey) key;
> }
>
> *Signature method:
> *
> public String signer(String txt, String alg) throws Exception {
> Signature signer = Signature.getInstance(alg, new BouncyCastleProvider());
> signer.initSign(privateKey);
> signer.update(txt.getBytes("UTF-8"));
> return Base64.encodeToString(signer.sign(), Base64.NO_WRAP);
> }
>
>
> ps. My app must use XMLDSIG protocol to send XML to a government's
> webservice.
>
> Thanks in advance.
>
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