Android, calculating SHA-1 hash from file, fastest algorithm

Question

I have a problem with SHA-1 performance on Android. In C# I get calculated hash in about 3s, same calculation for Android takes about 75s. I think the problem is in reading oper

Answer 1

If I were you I would use the JNI like this guy did and get the speed up that way. This is exactly what the C interface was made for.