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Rename DefaultPolicies to ConiksPolicies #41

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Merged
vqhuy merged 1 commit into from
Jul 28, 2016
Merged

Rename DefaultPolicies to ConiksPolicies #41

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5 changes: 2 additions & 3 deletions merkletree/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,7 @@ Initiate the history hash chain (the persistent authenticated dictionary)
signKey := crypto.GenerateKey()

// init STR history chain with maximum length is len
// using DefaultPolicies as current policy
pad := NewPAD(NewPolicies(epochDeadline), signKey, len)
pad := NewPAD(NewPolicies(epochDeadline, vrfPrivKey), signKey, len)
```

Update tree in each epoch
Expand All @@ -26,7 +25,7 @@ pad.Update(nil)

Look-up

`LookUp(key)` and `LookUpInEpoch(key, epoch)` return a `MerkleNode` instance and an `AuthenticationPath` for proofs of inclusion/absence.
`LookUp(key)` and `LookUpInEpoch(key, epoch)` return an `AuthenticationPath` for proofs of inclusion/absence.
A proof of absence also includes an empty leaf node in the returned auth path.

### TODO
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12 changes: 6 additions & 6 deletions merkletree/policy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,23 +14,23 @@ type Policies interface {
vrfPrivate() *[vrf.SecretKeySize]byte
}

type DefaultPolicies struct {
type ConiksPolicies struct {
vrfPrivateKey *[vrf.SecretKeySize]byte
epochDeadline TimeStamp
}

var _ Policies = (*DefaultPolicies)(nil)
var _ Policies = (*ConiksPolicies)(nil)

func NewPolicies(epDeadline TimeStamp, vrfPrivKey *[vrf.SecretKeySize]byte) Policies {
return &DefaultPolicies{
return &ConiksPolicies{
epochDeadline: epDeadline,
vrfPrivateKey: vrfPrivKey,
}
}

// Serialize encodes the policy to a byte array with the following format:
// [lib version, cryptographic algorithm in use, epoch deadline]
func (p *DefaultPolicies) Serialize() []byte {
func (p *ConiksPolicies) Serialize() []byte {
var bs []byte
bs = append(bs, []byte(Version)...) // lib Version
bs = append(bs, []byte(crypto.HashID)...) // cryptographic algorithms in use
Expand All @@ -39,10 +39,10 @@ func (p *DefaultPolicies) Serialize() []byte {
return bs
}

func (p *DefaultPolicies) vrfPrivate() *[vrf.SecretKeySize]byte {
func (p *ConiksPolicies) vrfPrivate() *[vrf.SecretKeySize]byte {
return p.vrfPrivateKey
}

func (p *DefaultPolicies) EpochDeadline() TimeStamp {
func (p *ConiksPolicies) EpochDeadline() TimeStamp {
return p.epochDeadline
}