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!273 【轻量级PR】：加密工具类增加实现

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Merge pull request !273 from 995zwj若初/dev
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孔明 2023-08-21 10:02:19 +00:00 committed by Gitee
commit 35b37b0aea
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3 changed files with 73 additions and 29 deletions
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1
sa-token-core/pom.xml
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@ -3,7 +3,6 @@
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>cn.dev33</groupId>
<artifactId>sa-token-parent</artifactId>

6
sa-token-core/src/main/java/cn/dev33/satoken/error/SaErrorCode.java
View File

@ -154,6 +154,12 @@ public interface SaErrorCode {
/** sha256 加密异常 */
int CODE_12113 = 12113;
/** sha384 加密异常 */
int CODE_121131 = 121131;
/** sha512 加密异常 */
int CODE_121132 = 121132;
/** AES 加密异常 */
int CODE_12114 = 12114;

95
sa-token-core/src/main/java/cn/dev33/satoken/secure/SaSecureUtil.java
View File

@ -91,20 +91,8 @@ public class SaSecureUtil {
public static String sha1(String str) {
try {
str = (str == null ? "" : str);
MessageDigest md = MessageDigest.getInstance("SHA1");
byte[] b = str.getBytes();
md.update(b);
byte[] b2 = md.digest();
int len = b2.length;
String strA = "0123456789abcdef";
char[] ch = strA.toCharArray();
char[] chs = new char[len * 2];
for (int i = 0, k = 0; i < len; i++) {
byte b3 = b2[i];
chs[k++] = ch[b3 >>> 4 & 0xf];
chs[k++] = ch[b3 & 0xf];
}
return new String(chs);
MessageDigest messageDigest = MessageDigest.getInstance("SHA1");
return getShaHexString(str, messageDigest);
} catch (Exception e) {
throw new SaTokenException(e).setCode(SaErrorCode.CODE_12112);
}
@ -120,25 +108,67 @@ public class SaSecureUtil {
try {
str = (str == null ? "" : str);
MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
byte[] bytes = messageDigest.digest();
StringBuilder builder = new StringBuilder();
String temp;
for (byte aByte : bytes) {
temp = Integer.toHexString(aByte & 0xFF);
if (temp.length() == 1) {
builder.append("0");
}
builder.append(temp);
}
return builder.toString();
return getShaHexString(str, messageDigest);
} catch (Exception e) {
throw new SaTokenException(e).setCode(SaErrorCode.CODE_12113);
}
}
/**
* sha384加密
*
* @param str 指定字符串
* @return 加密后的字符串
*/
public static String sha384(String str) {
try {
str = (str == null ? "" : str);
MessageDigest messageDigest = MessageDigest.getInstance("SHA-384");
return getShaHexString(str, messageDigest);
} catch (Exception e) {
throw new SaTokenException(e).setCode(SaErrorCode.CODE_121131);
}
}
/**
* sha512加密
*
* @param str 指定字符串
* @return 加密后的字符串
*/
public static String sha512(String str) {
try {
str = (str == null ? "" : str);
MessageDigest messageDigest = MessageDigest.getInstance("SHA-512");
return getShaHexString(str, messageDigest);
} catch (Exception e) {
throw new SaTokenException(e).setCode(SaErrorCode.CODE_121132);
}
}
/**
* sha (Secure Hash Algorithm)加密 公共方法
*
* @param str 指定字符串
* @param messageDigest 消息摘要
* @return 加密后的字符串
*/
private static String getShaHexString(String str, MessageDigest messageDigest) {
messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
byte[] bytes = messageDigest.digest();
StringBuilder builder = new StringBuilder();
String temp;
for (byte aByte : bytes) {
temp = Integer.toHexString(aByte & 0xFF); // 获取无符号整数十六进制字符串
if (temp.length() == 1) {
builder.append("0"); // 确保每个字节都用两个字符表示
}
builder.append(temp);
}
return builder.toString();
}
/**
* md5加盐加密: md5(md5(str) + md5(salt))
* @param str 字符串
@ -149,6 +179,15 @@ public class SaSecureUtil {
return md5(md5(str) + md5(salt));
}
/**
* sha256加盐加密: sha256(sha256(str) + sha256(salt))
* @param str 字符串
* @param salt 盐
* @return 加密后的字符串
*/
public static String sha256BySalt(String str, String salt) {
return sha256(sha256(str) + sha256(salt));
}
// ----------------------- 对称加密 AES -----------------------