Comments (5)
JuneAndGreen
commented on July 17, 2024
128 / 8 = 16（字节）
16 进制串中，0xff = 11111111 = 8位 = 1字节 = 字符串长度2
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YaroED
commented on July 17, 2024
后端的包是传16位，我传16位的utf8串，加密会报错。这个是一定要32位的16进制串吗？
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YaroED
commented on July 17, 2024
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changhr2013
commented on July 17, 2024
密钥一般是随机的比特序列，一般随机性比较好的密钥，用字符串是无法表示的，所以一般密钥都会使用 16 进制编码进行表示。
你后端传的 16 位字符串，那你将 16 位字符串做 Hex 编码后变成 32 位的 16 进制字符串传入即可。
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JuneAndGreen
commented on July 17, 2024
后端的包是传16位，我传16位的utf8串，加密会报错。这个是一定要32位的16进制串吗？
是的，你需要手动转成对应的hex串，也可以转成最原始的字节数组
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Related Issues (20)
- 提供一个高性能的Java版，采用了BC库
- 一些其他的版本实现，方便取用 HOT 3
- sm4.encrypt的key要求是128比特，可是demo那里的字符是32位。
- uniapp 提示未定义 HOT 4
- sm4密钥 HOT 7
- 基于Dart的国密开源实现 HOT 2
- js加签，java验签始终不通过 HOT 7
- js加密,服务端(java hutool)解密,概率性出现解密失败 HOT 4
- sm2签名 支持r 和 s输出吗 HOT 1
- 能否实现类似spark-md5的功能？ HOT 1
- SM3和SM4有原生js的引入的方式吗 HOT 1
- sm3-hmac算出来和openssl算的结果不一样 HOT 2
- 生成的密钥对结构和java的不一样 HOT 2
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- 在使用代码混淆后，无法加解密 HOT 1
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- SM2解密 后台采用hutool，密文加了04，但是还是偶发解密不了，报错InvalidCipherTextException: invalid cipher text HOT 1
- IE 出现兼容问题，建议修改 packjson 的main的路径 HOT 1
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