I need to generate a private key in Go. I am using the rsa package (http://golang.org/pkg/crypto/rsa/). In particular, it seems that I would like to use the GenerateKey method. One of the parameters for this method is of type io.Reader (http://golang.org/pkg/io/#Reader), but it seems like there are many different types of readers. Is there any advantage to using one type of Reader over another? Thanks!
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- douwenpin0428 2013-04-26 14:42关注
I believe that in this particular case the suitable io.Reader would be, for example, crypto/rand.Reader.
var Reader io.Reader
Reader is a global, shared instance of a cryptographically strong pseudo-random generator. On Unix-like systems, Reader reads from /dev/urandom. On Windows systems, Reader uses the CryptGenRandom API.
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