[FIX] 시큐리티 의존성 제거 (#34)

build.gradle

@@ -57,13 +57,15 @@ dependencies {
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
     testImplementation 'org.springframework.security:spring-security-test'
 
-    // infra
-    implementation 'org.springframework.boot:spring-boot-starter-security'
+
+    // encryption
+    implementation group: 'org.mindrot', name: 'jbcrypt', version: '0.4'
 
     // jwt
     implementation "io.jsonwebtoken:jjwt-api:${jsonwebtokenVersion}"
     implementation "io.jsonwebtoken:jjwt-impl:${jsonwebtokenVersion}"
     implementation "io.jsonwebtoken:jjwt-jackson:${jsonwebtokenVersion}"
+
 }
 
 test {

src/main/java/com/kakao/golajuma/auth/domain/helper/Encoder.java

@@ -0,0 +1,15 @@
+package com.kakao.golajuma.auth.domain.helper;
+
+import org.mindrot.jbcrypt.BCrypt;
+import org.springframework.stereotype.Component;
+
+@Component
+public class Encoder {
+	public String encode(String raw) {
+		return BCrypt.hashpw(raw, BCrypt.gensalt());
+	}
+
+	public boolean matches(String raw, String hashed) {
+		return BCrypt.checkpw(raw, hashed);
+	}
+}

src/main/java/com/kakao/golajuma/auth/infra/converter/UserEntityConverter.java

@@ -1,24 +1,24 @@
 package com.kakao.golajuma.auth.infra.converter;
 
+import com.kakao.golajuma.auth.domain.helper.Encoder;
 import com.kakao.golajuma.auth.infra.entity.UserEntity;
 import com.kakao.golajuma.auth.web.dto.request.SaveUserRequest;
 import com.kakao.golajuma.common.support.converter.AbstractEntityConverter;
 import lombok.RequiredArgsConstructor;
-import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Component;
 
 @Component
 @RequiredArgsConstructor
 public class UserEntityConverter implements AbstractEntityConverter<UserEntity, SaveUserRequest> {
 
-	private final PasswordEncoder passwordEncoder;
+	private final Encoder encoder;
 
 	@Override
 	public UserEntity toEntity(SaveUserRequest source) {
 		return UserEntity.builder()
 				.nickname(source.getNickname())
 				.email(source.getEmail())
-				.password(passwordEncoder.encode(source.getPassword()))
+				.password(encoder.encode(source.getPassword()))
 				.build();
 	}
 }