6712e602b0
As we begin our march towards multi-arch, we must prepare for the reality of multiple manifest schemas. This is the beginning of a set of changes to facilitate this. We are both moving this package into its target position where it may live peacefully next to other manfiest versions. Signed-off-by: Stephen J Day <stephen.day@docker.com>
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package schema1
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import (
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"crypto/x509"
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"encoding/json"
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"github.com/docker/libtrust"
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)
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// Sign signs the manifest with the provided private key, returning a
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// SignedManifest. This typically won't be used within the registry, except
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// for testing.
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func Sign(m *Manifest, pk libtrust.PrivateKey) (*SignedManifest, error) {
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p, err := json.MarshalIndent(m, "", " ")
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if err != nil {
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return nil, err
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}
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js, err := libtrust.NewJSONSignature(p)
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if err != nil {
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return nil, err
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}
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if err := js.Sign(pk); err != nil {
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return nil, err
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}
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pretty, err := js.PrettySignature("signatures")
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if err != nil {
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return nil, err
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}
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return &SignedManifest{
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Manifest: *m,
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Raw: pretty,
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}, nil
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}
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// SignWithChain signs the manifest with the given private key and x509 chain.
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// The public key of the first element in the chain must be the public key
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// corresponding with the sign key.
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func SignWithChain(m *Manifest, key libtrust.PrivateKey, chain []*x509.Certificate) (*SignedManifest, error) {
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p, err := json.MarshalIndent(m, "", " ")
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if err != nil {
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return nil, err
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}
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js, err := libtrust.NewJSONSignature(p)
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if err != nil {
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return nil, err
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}
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if err := js.SignWithChain(key, chain); err != nil {
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return nil, err
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}
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pretty, err := js.PrettySignature("signatures")
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if err != nil {
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return nil, err
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}
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return &SignedManifest{
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Manifest: *m,
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Raw: pretty,
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}, nil
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}
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