From 1a2b07f01ba4616fd9e894dddf474b56d020158c Mon Sep 17 00:00:00 2001 From: zhubaomin <zhubaomin> Date: 星期一, 07 四月 2025 15:18:51 +0800 Subject: [PATCH] 整理版本 --- pipIrr-platform/pipIrr-web/pipIrr-web-sell/src/main/java/com/dy/pipIrrSell/util/AesUtil.java | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 51 insertions(+), 0 deletions(-) diff --git a/pipIrr-platform/pipIrr-web/pipIrr-web-sell/src/main/java/com/dy/pipIrrSell/util/AesUtil.java b/pipIrr-platform/pipIrr-web/pipIrr-web-sell/src/main/java/com/dy/pipIrrSell/util/AesUtil.java new file mode 100644 index 0000000..0d70bd5 --- /dev/null +++ b/pipIrr-platform/pipIrr-web/pipIrr-web-sell/src/main/java/com/dy/pipIrrSell/util/AesUtil.java @@ -0,0 +1,51 @@ +package com.dy.pipIrrSell.util; + +import javax.crypto.Cipher; +import javax.crypto.NoSuchPaddingException; +import javax.crypto.spec.GCMParameterSpec; +import javax.crypto.spec.SecretKeySpec; +import java.io.IOException; +import java.security.GeneralSecurityException; +import java.security.InvalidAlgorithmParameterException; +import java.security.InvalidKeyException; +import java.security.NoSuchAlgorithmException; +import java.util.Base64; + +/** + * @author ZhuBaoMin + * @date 2024-03-06 11:46 + * @LastEditTime 2024-03-06 11:46 + * @Description + */ + +public class AesUtil { + static final int KEY_LENGTH_BYTE = 32; + static final int TAG_LENGTH_BIT = 128; + + /** + * 瑙e瘑 + * @param apiV3Key apiV3瀵嗛挜 + * @param associatedData 闄勫姞鏁版嵁 + * @param nonce 闅忔満涓� + * @param ciphertext 鏁版嵁瀵嗘枃 + * @return 瑙e瘑鍚庡瓧绗︿覆 + * @throws GeneralSecurityException + * @throws IOException + */ + public static String decryptToString(byte[] apiV3Key, byte[] associatedData, byte[] nonce, String ciphertext) throws GeneralSecurityException, IOException { + try { + Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding"); + SecretKeySpec key = new SecretKeySpec(apiV3Key, "AES"); + GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce); + + cipher.init(Cipher.DECRYPT_MODE, key, spec); + cipher.updateAAD(associatedData); + + return new String(cipher.doFinal(Base64.getDecoder().decode(ciphertext)), "utf-8"); + } catch (NoSuchAlgorithmException | NoSuchPaddingException e) { + throw new IllegalStateException(e); + } catch (InvalidKeyException | InvalidAlgorithmParameterException e) { + throw new IllegalArgumentException(e); + } + } +} \ No newline at end of file -- Gitblit v1.8.0