DSA - Digital Signature Algorithm (JAVA): Signing and validating signatures

Code available on github:

If you have any doubts feel free to write down at the comments.
Thanks for watching.

[leonardocastro]

Excelente. Faça um tutorial tbm em Português incluindo uma assinatura num PDF.

[sonijubin]

Thank you for this video! will this code work for signing a XML document?

[sarathck]

Thank you for the video. Just want to know whether this can be used for file integrity checking? I meant integrity checking using cryptography sign. Eagerly waiting for your reply

[ashtamis]

Hai can you please tell me how to check signature in a pdf using this code

[anakkeempat]

Hello, sir,
I want to ask, does this not have a view that can see how the signing happened? and for validation, can't it be done via email maybe?

[jotah]

Hello bro, thx for the video!!

I just want to ask something.

Can i also use this to sign a file, like a .html or .txt file?

Instead of a String message. Ty!!.

[PeterParker-hmub]

how to check signature from uploaded pdf file