From 60883147218577a3aa81127f628616d623402699 Mon Sep 17 00:00:00 2001
From: fwq <582742538@qq.com>
Date: 星期四, 27 十月 2022 15:09:32 +0800
Subject: [PATCH] RSA私钥格式转换
---
src/main/java/com/hx/util/rsa/RSASignature.java | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 47 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/hx/util/rsa/RSASignature.java b/src/main/java/com/hx/util/rsa/RSASignature.java
index 4a39e3a..cf7a0a5 100644
--- a/src/main/java/com/hx/util/rsa/RSASignature.java
+++ b/src/main/java/com/hx/util/rsa/RSASignature.java
@@ -1,13 +1,22 @@
package com.hx.util.rsa;
import com.hx.util.StringUtils;
+import org.bouncycastle.asn1.ASN1Encodable;
+import org.bouncycastle.asn1.ASN1ObjectIdentifier;
+import org.bouncycastle.asn1.ASN1Primitive;
+import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
+import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
+import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import java.security.KeyFactory;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
/**
@@ -51,6 +60,43 @@
return null;
}
+ /**
+ * RSA绛惧悕Pkcs1ToPkcs8
+ * @param rawKey 鍟嗘埛绉侀挜
+ * @return 绛惧悕鍊�
+ */
+ public static String formatPkcs1ToPkcs8(String rawKey) {
+ if (!StringUtils.isEmpty(rawKey)) {
+ try {
+ //灏咮ASE64缂栫爜鐨勭閽ュ瓧绗︿覆杩涜瑙ｇ爜
+ byte[] encodeByte = Base64.decode(rawKey);
+ AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PKCSObjectIdentifiers.pkcs8ShroudedKeyBag);
+ PrivateKeyInfo privKeyInfo = new PrivateKeyInfo(algorithmIdentifier, ASN1ObjectIdentifier.fromByteArray(encodeByte));
+ return Base64.encode(privKeyInfo.getEncoded());
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+ return null;
+ }
+ /**
+ * RSA绛惧悕Pkcs8ToPkcs1
+ * @param rawKey 鍟嗘埛绉侀挜
+ * @return 绛惧悕鍊�
+ */
+ public static String formatPkcs8ToPkcs1(String rawKey){
+ try {
+ byte[] encodeByte = Base64.decode(rawKey);
+ PrivateKeyInfo pki = PrivateKeyInfo.getInstance(encodeByte);
+ ASN1Encodable asn = pki.parsePrivateKey();
+ ASN1Primitive primitive = asn.toASN1Primitive();
+ return Base64.encode(primitive.getEncoded());
+ } catch (Exception e) {
+ e.printStackTrace();
+ return null;
+ }
+ }
+
public static String createSign(String content, String privateKey) {
try{
PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec( Base64.decode(privateKey) );
--
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