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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