feat: 암호화모듈 프레임워크 신규 구현

- CryptoModuleExtension 인터페이스: BC 프로바이더, AAD, 편의 메서드 오버로드 추가
- AESCryptoModuleExtension: CBC/GCM/ECB/FF1 지원, GCM 랜덤 nonce, AAD 처리
- ARIACryptoModuleExtension: ARIA 알고리즘 지원
- CryptoModuleConfigVO: JPA Entity 분리를 위한 Lombok VO
- CryptoModuleManager: VO 패턴 적용, FQCN 기반 전략 동적 로딩(Class.forName)
- CryptoModuleService: STATIC/DYNAMIC × AAD 조합 8가지 오버로드
- CryptoModuleConfigMapper: MapStruct Entity→VO 매퍼
- KeyDerivationStrategy 인터페이스 및 DerivedKey
- HsmContextXorKeyDerivationStrategy: HSM 마스터키 XOR 컨텍스트값 전략
- ReloadCryptoModuleCommand: 설정 런타임 재로드 커맨드
- build.gradle: BouncyCastle bcprov-jdk15on:1.70 의존성 추가
- 단위 테스트 전체 추가

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main/java/com/eactive/eai/common/security/ARIACryptoModuleExtension.java

@@ -0,0 +1,68 @@
+package com.eactive.eai.common.security;
+
+import java.nio.ByteBuffer;
+import java.security.Key;
+import java.security.SecureRandom;
+import java.security.Security;
+import java.security.spec.AlgorithmParameterSpec;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.bouncycastle.jcajce.spec.FPEParameterSpec;
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+
+public class ARIACryptoModuleExtension implements CryptoModuleExtension {
+
+	private Cipher encryptEngine;
+	private Cipher decryptEngine;
+
+	@Override
+	public void init(String alg, String mode, String pad, byte[] encKey, byte[] decKey) throws Exception {
+		this.init("ARIA", mode, pad, (byte[]) null, encKey, decKey);
+	}
+
+	@Override
+	public void init(String alg, String mode, String pad, byte[] iv, byte[] encKey, byte[] decKey) throws Exception {
+		if (Security.getProvider("BC") == null) {
+			Security.addProvider(new BouncyCastleProvider());
+		}
+		String m = mode != null ? mode : "";
+		String p = pad != null ? pad : "";
+		Key encKeySpec = new SecretKeySpec(encKey, "ARIA");
+		Key decKeySpec = new SecretKeySpec(decKey, "ARIA");
+		AlgorithmParameterSpec param = iv != null ? new IvParameterSpec(iv) : null;
+		if (m.toLowerCase().contains("ff")) {
+			param = new FPEParameterSpec(256, iv);
+		}
+		this.encryptEngine = Cipher.getInstance(String.format("ARIA/%s/%s", m, p));
+		this.encryptEngine.init(Cipher.ENCRYPT_MODE, encKeySpec, param, (SecureRandom) null);
+		this.decryptEngine = Cipher.getInstance(String.format("ARIA/%s/%s", m, p));
+		this.decryptEngine.init(Cipher.DECRYPT_MODE, decKeySpec, param, (SecureRandom) null);
+	}
+
+	@Override
+	public int encrypt(byte[] src, int sindex, int slength, byte[] dst, int dindex) throws Exception {
+		return this.encryptEngine.doFinal(src, sindex, slength, dst, dindex);
+	}
+
+	@Override
+	public byte[] encrypt(byte[] src, int sindex, int slength) throws Exception {
+		int size = (slength + 17) / this.encryptEngine.getBlockSize() * this.encryptEngine.getBlockSize();
+		size += (slength + 17) % this.encryptEngine.getBlockSize() == 0 ? 0 : this.encryptEngine.getBlockSize();
+		byte[] dst = new byte[this.encryptEngine.getOutputSize(size)];
+		size = this.encrypt(src, sindex, slength, dst, 0);
+		return ByteBuffer.allocate(size).put(dst, 0, size).array();
+	}
+
+	@Override
+	public int decrypt(byte[] src, int sindex, int slength, byte[] dst, int dindex) throws Exception {
+		return this.decryptEngine.doFinal(src, sindex, slength, dst, dindex);
+	}
+
+	@Override
+	public byte[] decrypt(byte[] src, int sindex, int slength) throws Exception {
+		return this.decryptEngine.doFinal(src, sindex, slength);
+	}
+}