spring security 5.x兼容多种密码加密方式

内容简介：spring security 5.x兼容多种密码加密方式

1 spring security PasswordEncoder

spring security 5不需要配置密码的加密方式，而是用户密码加前缀的方式表明加密方式，如：

• {MD5}88e2d8cd1e92fd5544c8621508cd706b 代表使用的是 MD5 加密方式；
• {bcrypt}$2a$10$eZeGvVV2ZXr/vgiVFzqzS.JLV878ApBgRT9maPK1Wrg0ovsf4YuI6 代表使用的是 bcrypt 加密方式。

spring security官方推荐使用更加安全的bcrypt加密方式。

这样可以在同一系统中支持多种加密方式，迁移用户比较省事。spring security 5支持的加密方式在PasswordEncoderFactories中定义：

public class PasswordEncoderFactories {
    public static PasswordEncoder createDelegatingPasswordEncoder() {
        String encodingId = "bcrypt";
        Map<String, PasswordEncoder> encoders = new HashMap();
        encoders.put(encodingId, new BCryptPasswordEncoder());
        encoders.put("ldap", new LdapShaPasswordEncoder());
        encoders.put("MD4", new Md4PasswordEncoder());
        encoders.put("MD5", new MessageDigestPasswordEncoder("MD5"));
        encoders.put("noop", NoOpPasswordEncoder.getInstance());
        encoders.put("pbkdf2", new Pbkdf2PasswordEncoder());
        encoders.put("scrypt", new SCryptPasswordEncoder());
        encoders.put("SHA-1", new MessageDigestPasswordEncoder("SHA-1"));
        encoders.put("SHA-256", new MessageDigestPasswordEncoder("SHA-256"));
        encoders.put("sha256", new StandardPasswordEncoder());
        return new DelegatingPasswordEncoder(encodingId, encoders);
    }

    private PasswordEncoderFactories() {
    }
}

2 测试

2.1 pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.hfcsbc</groupId>
    <artifactId>security</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>security</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.M7</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

    <repositories>
        <repository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </repository>
        <repository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </repository>
    </repositories>

    <pluginRepositories>
        <pluginRepository>
            <id>spring-snapshots</id>
            <name>Spring Snapshots</name>
            <url>https://repo.spring.io/snapshot</url>
            <snapshots>
                <enabled>true</enabled>
            </snapshots>
        </pluginRepository>
        <pluginRepository>
            <id>spring-milestones</id>
            <name>Spring Milestones</name>
            <url>https://repo.spring.io/milestone</url>
            <snapshots>
                <enabled>false</enabled>
            </snapshots>
        </pluginRepository>
    </pluginRepositories>
</project>

2.2 测试

spring security 5.x默认使用bcrypt加密

@Slf4j
public class DomainUserDetailsService {

    public static void main(String[] args){
        PasswordEncoder passwordEncoder = PasswordEncoderFactories.createDelegatingPasswordEncoder();
        String encode = passwordEncoder.encode("password");
        log.info("加密后的密码:" + encode);
        log.info("bcrypt密码对比:" + passwordEncoder.matches("password", encode));

        String md5Password = "{MD5}88e2d8cd1e92fd5544c8621508cd706b";//MD5加密前的密码为:password
        log.info("MD5密码对比:" + passwordEncoder.matches("password", encode));
    }

}

以上所述就是小编给大家介绍的《spring security 5.x兼容多种密码加密方式》，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对 码农网 的支持！

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