| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| 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 | Package trillian contains the generated protobuf code for the Trillian API. |
| github.com/google/trillian/client/backoff | Package backoff allows retrying an operation with backoff. |
| github.com/google/trillian/types | Package types defines serialization and parsing functions for SignedLogRoot fields. |
| github.com/transparency-dev/merkle | Package merkle provides Merkle tree interfaces and implementation. |
| github.com/transparency-dev/merkle/proof | Package proof contains helpers for constructing log Merkle tree proofs. |
| github.com/transparency-dev/merkle/rfc6962 | Package rfc6962 provides hashing functionality according to RFC6962. |
| 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. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |