DSA key generate

[imic]

What type of request is this?

New tool idea

Clear and concise description of the feature you are proposing

Can the functionality to generate DSA keys and perform DSA signature verification be added?

Is their example of this tool in the wild?

No response

Additional context

No response

Validations

• Check the feature is not already implemented in the project.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.
• Check that the feature can be implemented in a client side only app (IT-Tools is client side only, no server).

[sharevb]

Hi @imic and @CorentinTh , implemented in #1027 for keygen

[sharevb]

Hi @imic and @CorentinTh , implemented in #1108 for sign&verify