| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/pem | Package pem implements the PEM data encoding, which originated in Privacy Enhanced Mail. |
| github.com/ProtonMail/go-crypto/openpgp/packet | Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880. |
| github.com/hiddeco/sshsig | Package sshsig provides an API to sign and verify messages using SSH keys. |
| github.com/moby/buildkit/util/gitutil/gitobject | |
| github.com/moby/buildkit/util/pgpsign | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| golang.org/x/crypto/ssh | Package ssh implements an SSH client and server. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |