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Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
SecretKeySpec key_spec = new SecretKeySpec(Base64.decodeBase64(this.sessionKey), "AES");
IvParameterSpec wiv = new IvParameterSpec(Base64.decodeBase64(iv));
cipher.init(Cipher.DECRYPT_MODE, key_spec, wiv);
// 使用BASE64对密文进行解码
byte[] encrypted = Base64.decodeBase64(content);
// 解密
byte[] original = cipher.doFinal(encrypted);
byte[] bytes = PKCS7Encoder.decode(original);
源码在https://download.csdn.net/download/lygzscnt12/10416215[code=java]