| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/glog | Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup. |
| github.com/google/trillian/merkle/compact | |
| github.com/google/trillian/merkle/hashers | |
| github.com/google/trillian/merkle/logverifier | |
| github.com/google/trillian/storage/tree | Package tree defines types that help navigating a tree in storage. |
| google.golang.org/grpc/codes | Package codes defines the canonical error codes used by gRPC. |
| google.golang.org/grpc/status | Package status implements errors returned by gRPC. |
| math/big | Package big implements arbitrary-precision arithmetic (big numbers). |
| math/bits | Package bits implements bit counting and manipulation functions for the predeclared unsigned integer types. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |