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package auth
import "encoding/base64"
import "crypto/md5"
import "crypto/rand"
import "fmt"
/*
Return a random 16-byte base64 alphabet string
*/
func RandomKey() string {
k := make([]byte, 12)
for bytes := 0; bytes < len(k); {
n, err := rand.Read(k[bytes:])
if err != nil {
panic("rand.Read() failed")
}
bytes += n
}
return base64.StdEncoding.EncodeToString(k)
}
/*
H function for MD5 algorithm (returns a lower-case hex MD5 digest)
*/
func H(data string) string {
digest := md5.New()
digest.Write([]byte(data))
return fmt.Sprintf("%x", digest.Sum(nil))
}
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