本文整理汇总了Java中org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder.build方法的典型用法代码示例。如果您正苦于以下问题：Java JcaDigestCalculatorProviderBuilder.build方法的具体用法？Java JcaDigestCalculatorProviderBuilder.build怎么用？Java JcaDigestCalculatorProviderBuilder.build使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.spongycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder的用法示例。
在下文中一共展示了JcaDigestCalculatorProviderBuilder.build方法的1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; //导入方法依赖的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);
}
}