Imports of package triple

PathSynopsis
crypto/rsaPackage rsa implements RSA encryption as specified in PKCS #1 and RFC 8017.
crypto/x509Package x509 implements a subset of the X.509 standard.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
k8s.io/client-go/util/cert
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.