Class SignedDataBuilder

java.lang.Object

org.ofdrw.gm.sm2strut.builder.SignedDataBuilder

public final class SignedDataBuilder
extends Object

签名数据类型构造器

用于将 BC JCE产生的SM2签名转换为 符合 GBT35275 8 签名数据类型 signedData

Since:

2021-08-05 18:17:14

Author:

权观宇

Constructor Summary

Constructors

Constructor	Description
SignedDataBuilder()

Method Summary

Modifier and Type	Method	Description
static SignedData	signedData(byte[] plaintext, byte[] signature, Certificate certificate)	组装 签名数据类型
static SignedData	signedData(byte[] plaintext, List<CertSigHolder> certSigArr, List<Certificate> extCertArr)	组装 签名数据类型
static SignerInfo	sm2Signer(byte[] signature, org.bouncycastle.asn1.x509.Certificate certificate)	构造签名者信息

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SignedDataBuilder

public SignedDataBuilder()

Method Details

signedData

public static SignedData signedData(byte[] plaintext,
 byte[] signature,
 Certificate certificate)
                             throws GeneralSecurityException,
IOException

组装 签名数据类型

Parameters:

plaintext - 待签名的原文

signature - 签名值

certificate - 签名使用的证书

Returns:

SignedData

Throws:

GeneralSecurityException - 证书解析异常

IOException - IO操作异常

signedData

public static SignedData signedData(byte[] plaintext,
 List<CertSigHolder> certSigArr,
 List<Certificate> extCertArr)
                             throws GeneralSecurityException,
IOException

组装 签名数据类型

Parameters:

plaintext - 待签名的原文

certSigArr - 证书和签名值

extCertArr - 额外证书，可以放置CA证书等，可选参数。

Returns:

SignedData

Throws:

GeneralSecurityException - 证书解析异常

IOException - IO操作异常

sm2Signer

public static SignerInfo sm2Signer(byte[] signature,
 org.bouncycastle.asn1.x509.Certificate certificate)

构造签名者信息

Parameters:

signature - 签名值，值是 SM2Signature的DER，其定义见 GBT 35276-2017 7.3 签名数据格式

certificate - 证书

Returns:

签名者信息