update

Author: souro1212

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "sonarlint.connectedMode.project": {
+        "connectionId": "devsecops-appsec",
+        "projectKey": "DevSecOps-AppSec_RSAEncryptionServiceJava"
+    }
+}

pom.xml

@@ -0,0 +1,44 @@
+
+<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.example</groupId>
+    <artifactId>rsaservice</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>RSABackendService</name>
+    <description>RSA Backend Service using Spring Boot</description>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>3.0.5</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <properties>
+        <java.version>17</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

src/main/java/com/example/rsaservice/controller/RSAController.java

@@ -0,0 +1,40 @@
+
+package com.example.rsaservice.controller;
+
+import com.example.rsaservice.util.RSAUtil;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api")
+public class RSAController {
+
+    @PostMapping("/encrypt")
+    public ResponseEntity<Map<String, String>> encrypt(@RequestBody Map<String, String> request) {
+        try {
+            String plaintext = request.get("plaintext");
+            String encryptedText = RSAUtil.encrypt(plaintext);
+            Map<String, String> response = new HashMap<>();
+            response.put("encryptedText", encryptedText);
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            return ResponseEntity.status(500).body(Map.of("error", "Encryption failed: " + e.getMessage()));
+        }
+    }
+
+    @PostMapping("/decrypt")
+    public ResponseEntity<Map<String, String>> decrypt(@RequestBody Map<String, String> request) {
+        try {
+            String encryptedText = request.get("encryptedText");
+            String decryptedText = RSAUtil.decrypt(encryptedText);
+            Map<String, String> response = new HashMap<>();
+            response.put("decryptedText", decryptedText);
+            return ResponseEntity.ok(response);
+        } catch (Exception e) {
+            return ResponseEntity.status(500).body(Map.of("error", "Decryption failed: " + e.getMessage()));
+        }
+    }
+}