| crypto | Package crypto collects common cryptographic constants. |
| crypto/ecdsa | Package ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in [FIPS 186-5]. |
| crypto/rand | Package rand implements a cryptographically secure random number generator. |
| crypto/rsa | Package rsa implements RSA encryption as specified in PKCS #1 and RFC 8017. |
| 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/certificate-transparency-go/asn1 | Package asn1 implements parsing of DER-encoded ASN.1 data structures, as defined in ITU-T Rec X.690. |
| github.com/google/trillian | Package trillian contains the generated protobuf code for the Trillian API. |
| github.com/google/trillian/crypto/sigpb | |
| github.com/google/trillian/types | Package types defines serialization and parsing functions for SignedLogRoot fields. |
| golang.org/x/crypto/ed25519 | |
| math/big | Package big implements arbitrary-precision arithmetic (big numbers). |