本文整理汇总了Java中org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder类的典型用法代码示例。如果您正苦于以下问题：Java JcaDigestCalculatorProviderBuilder类的具体用法？Java JcaDigestCalculatorProviderBuilder怎么用？Java JcaDigestCalculatorProviderBuilder使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
JcaDigestCalculatorProviderBuilder类属于org.spongycastle.operator.jcajce包，在下文中一共展示了JcaDigestCalculatorProviderBuilder类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: generate
import org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder; //导入依赖的package包/类
/**
* Sign the given content using the private and public keys from the keySet, and return the encoded CMS (PKCS#7) data.
* Use of direct signature and DER encoding produces a block that is verifiable by Android recovery programs.
*/
public static byte[] generate(KeySet keySet, byte[] content) {
try {
List certList = new ArrayList();
CMSTypedData msg = new CMSProcessableByteArray(content);
certList.add(keySet.getPublicKey());
Store certs = new JcaCertStore(certList);
CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
JcaContentSignerBuilder jcaContentSignerBuilder = new JcaContentSignerBuilder(keySet.getSignatureAlgorithm()).setProvider("SC");
ContentSigner sha1Signer = jcaContentSignerBuilder.build(keySet.getPrivateKey());
JcaDigestCalculatorProviderBuilder jcaDigestCalculatorProviderBuilder = new JcaDigestCalculatorProviderBuilder().setProvider("SC");
DigestCalculatorProvider digestCalculatorProvider = jcaDigestCalculatorProviderBuilder.build();
JcaSignerInfoGeneratorBuilder jcaSignerInfoGeneratorBuilder = new JcaSignerInfoGeneratorBuilder( digestCalculatorProvider);
jcaSignerInfoGeneratorBuilder.setDirectSignature(true);
SignerInfoGenerator signerInfoGenerator = jcaSignerInfoGeneratorBuilder.build(sha1Signer, keySet.getPublicKey());
gen.addSignerInfoGenerator( signerInfoGenerator);
gen.addCertificates(certs);
CMSSignedData sigData = gen.generate(msg, false);
return sigData.toASN1Structure().getEncoded("DER");
} catch (Exception x) {
throw new RuntimeException(x.getMessage(), x);
}
}
示例2: sign
import org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder; //导入依赖的package包/类
@Override
public byte[] sign(InputStream content) throws IOException
{
CMSSignedDataGenerator gen = new CMSSignedDataGenerator();
SignatureData input = new SignatureData(content);
List<Certificate> certs = new ArrayList<Certificate>();
for (int i = 0; i < chain.length; i ++) {
certs.add(chain[i]);
}
try
{
Store certStore = new JcaCertStore(certs);
Certificate cert = chain[0];
org.spongycastle.asn1.x509.Certificate x509Cert =
org.spongycastle.asn1.x509.Certificate.getInstance(ASN1Primitive.fromByteArray(cert.getEncoded()));
ContentSigner sha256Signer = new JcaContentSignerBuilder("SHA256withRSA").build(privKey);
gen.addSignerInfoGenerator(
new JcaSignerInfoGeneratorBuilder(
new JcaDigestCalculatorProviderBuilder().build())
.build(sha256Signer, new X509CertificateHolder(x509Cert)));
gen.addCertificates(certStore);
CMSSignedData signedData = gen.generate(input, false);
return signedData.getEncoded();
}
catch (Exception e)
{
e.printStackTrace();
}
throw new RuntimeException("Signing error, look at the stack trace");
}