1
vote
0answers
20 views

Encrypt with private and decrypt with public [migrated]

Above picture is captured from iOS Security overview at page 25. The path encrypt with public and decrypt with private makes sense. But the other path, encrypt with private and decrypt with public ...
0
votes
2answers
242 views

Snapchat clone: How do I secure pre-downloaded notifications so that they cannot be opened outside of the app?

Say I'm making a snapchat clone app for Android and iOS. Let's say that I get a snapchat from Baz. I want to pre-download the audio for this snapchat. However, as the developer, I want to secure this ...
1
vote
1answer
338 views

Are python's cryptographic modules good enough?

I mean, say you were writing professional grade software that would involve sensitive client information. (Take this in the context of me being an amateur programmer.) Would you use hlib and hmac? ...
3
votes
4answers
519 views

Public-private key pair handling on a Windows ecosystem

I've been thinking about how to architect an infrastructure for one of our business applications with the following requirement: Data written by some user can only be read by that user and his ...
21
votes
4answers
3k views

Programmers' concerns about export restrictions from the United States

Which aspects do I need to consider when designing and publishing software that must meet the US export restrictions for cryptographic software? Wikipedia says that there are various categories which ...