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30 lines
688 B
Go
30 lines
688 B
Go
package session
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// NewDerivedSecrets returns a new RootKey/ChainKey pair from 64 bytes of key material
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// generated by the key derivation function.
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func NewDerivedSecrets(keyMaterial []byte) *DerivedSecrets {
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secrets := DerivedSecrets{
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keyMaterial[:32],
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keyMaterial[32:],
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}
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return &secrets
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}
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// DerivedSecrets is a structure for holding the derived secrets for the
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// Root and Chain keys for a session.
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type DerivedSecrets struct {
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rootKey []byte
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chainKey []byte
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}
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// RootKey returns the RootKey bytes.
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func (d *DerivedSecrets) RootKey() []byte {
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return d.rootKey
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}
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// ChainKey returns the ChainKey bytes.
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func (d *DerivedSecrets) ChainKey() []byte {
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return d.chainKey
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}
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