signing.go RawHistoryFolder

1// SPDX-License-Identifier: AGPL-3.0-or-later
2
3package usecase
4
5import (
6	"bnema.dev/ermite/internal/domain"
7	"bnema.dev/ermite/internal/ports"
8)
9
10// SigningKey is the public side of the key that signs the commits ermite
11// creates (ADR 0022).
12type SigningKey struct {
13	signer    ports.CommitSigner
14	committer domain.Identity
15}
16
17var _ ports.SigningKeyService = (*SigningKey)(nil)
18
19// NewSigningKey builds the use case over the signer and the identity recorded
20// as the committer of the signed commits.
21func NewSigningKey(signer ports.CommitSigner, committer domain.Identity) *SigningKey {
22	return &SigningKey{signer: signer, committer: committer}
23}
24
25// Info returns what a verifier needs. It is public: no access rule applies,
26// and the private key never leaves the signer.
27func (s *SigningKey) Info() domain.SigningKeyInfo {
28	return domain.SigningKeyInfo{Key: s.signer.PublicKey(), Committer: s.committer}
29}