New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

sm4.Sm4Cbc解密数据块长度不足的情况下，err和buf都为nil #173

Open

orca-zhang opened this issue Aug 31, 2022 · 1 comment

orca-zhang commented Aug 31, 2022

加密前数据是85860，加密后85872，解密时因为bug导致传递的数据大小为85860，但是返回err也为nil，buf也为空

emmansun commented Dec 27, 2023

不建议你直接使用sm4.Sm4Cbc方法，这个方法

没对输入数据进行长度校验
吃掉了padding处理的error

你可以自己直接用Go语言的CBC模式，至于pkcs7 padding，你可以参考本库实现，也可以引用其它库。

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment