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moonD4rk
2ba10429dc
Consumer side of the cross-host key workflow (pairs with #599). ApplyDump wires StaticProviders from a dump.json into matching browsers, so dump --keys f.json -p /copied/data decrypts without native retrievers.
24 lines
902 B
Go
24 lines
902 B
Go
package keyretriever
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// StaticProvider returns pre-supplied master-key bytes; used by cross-host workflows where keys come
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// from a Dump rather than platform-native retrieval. RetrieveKey ignores Hints and returns the stored
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// bytes verbatim; an empty StaticProvider returns (nil, nil), the "not applicable" signal accepted
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// by NewMasterKeys when a tier was not present in the source Dump.
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type StaticProvider struct {
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key []byte
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}
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// NewStaticProvider wraps key bytes as a KeyRetriever. A nil/empty key produces a provider that
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// reports the tier as unavailable (nil, nil) rather than returning a zero-length key.
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func NewStaticProvider(key []byte) *StaticProvider {
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return &StaticProvider{key: key}
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}
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// RetrieveKey returns the stored key bytes, ignoring Hints.
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func (p *StaticProvider) RetrieveKey(_ Hints) ([]byte, error) {
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if len(p.key) == 0 {
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return nil, nil
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}
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return p.key, nil
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}
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