本文整理汇总了Java中sun.security.pkcs.PKCS9Attributes类的典型用法代码示例。如果您正苦于以下问题：Java PKCS9Attributes类的具体用法？Java PKCS9Attributes怎么用？Java PKCS9Attributes使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
PKCS9Attributes类属于sun.security.pkcs包，在下文中一共展示了PKCS9Attributes类的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: main
import sun.security.pkcs.PKCS9Attributes; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
byte[] data = "Hello".getBytes();
X500Name n = new X500Name("cn=Me");
CertAndKeyGen cakg = new CertAndKeyGen("RSA", "SHA256withRSA");
cakg.generate(1024);
X509Certificate cert = cakg.getSelfCertificate(n, 1000);
MessageDigest md = MessageDigest.getInstance("SHA-256");
PKCS9Attributes authed = new PKCS9Attributes(new PKCS9Attribute[]{
new PKCS9Attribute(PKCS9Attribute.CONTENT_TYPE_OID, ContentInfo.DATA_OID),
new PKCS9Attribute(PKCS9Attribute.MESSAGE_DIGEST_OID, md.digest(data)),
});
Signature s = Signature.getInstance("SHA256withRSA");
s.initSign(cakg.getPrivateKey());
s.update(authed.getDerEncoding());
byte[] sig = s.sign();
SignerInfo signerInfo = new SignerInfo(
n,
cert.getSerialNumber(),
AlgorithmId.get("SHA-256"),
authed,
AlgorithmId.get("SHA256withRSA"),
sig,
null
);
PKCS7 pkcs7 = new PKCS7(
new AlgorithmId[] {signerInfo.getDigestAlgorithmId()},
new ContentInfo(data),
new X509Certificate[] {cert},
new SignerInfo[] {signerInfo});
if (pkcs7.verify(signerInfo, data) == null) {
throw new Exception("Not verified");
}
}