118 lines
2.1 KiB
Markdown
118 lines
2.1 KiB
Markdown
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Diffie hellman ephemeral
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Fernet based encryption
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==========================
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### *class* Cryptography.WhaleSong.DHEFern(cache, nodeNickname, cLog)
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#### cLog
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Method reference to run.Node.cLog so we can log to the ui from here
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#### loadedParams
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In memory representations of cryptography parameters
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* **Type:**
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dict
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#### loadedKeys
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In memory representations of cryptography keys
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* **Type:**
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dict
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#### nodeNickname
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Name of node for isolating configs when running multiple nodes
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* **Type:**
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str
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#### cache
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Daisy cache for use in storing cryptography information
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* **Type:**
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Components.daisy.Cache
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#### publicKey
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Public key for node
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#### privateKey
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Private key for node
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#### checkInMem(store: str, nodeID: str)
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Check if parameters or keys are loaded for node of nodeID
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* **Parameters:**
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**store** (*str*) – Whether to check loaded keys or parameters
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#### decrypt(data, nodeID: str)
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Decrypt bytes and return either str or dict (TODO: Check whether to msgpack load)
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#### encrypt(data, nodeID: str, isDict: bool = True)
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Do Fernet encryption
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data
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: Either bytes or dict to encrypt
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isDict: bool
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: Whether data is a dictionary
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#### genKeyPair(paramsOverride=False, setSelf: bool = True)
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Generate public and private keys from self.params (TODO: Gen from passed params)
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paramsOverride
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: False or parameters to use (TODO)
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setSelf: bool
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: Whether to set self.privateKey and self.publicKey
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#### genParams()
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Generate Diffie Hellman parameters
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#### getParamsBytes()
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Get bytes encoded from self.parameters (TODO: Encode from store)
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#### getRecord(store: str, key: str)
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Get record from store: store with key: key
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#### getSalt()
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Get random salt
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#### initStore(store: str)
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Initialize store: store
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#### keyDerive(pubKey: bytes, salt: bytes, nodeID: str, params: bytes)
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Derive shared key using Diffie Hellman
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pubKey: bytes
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: Public key
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nodeID: str
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: PierMesh node ID
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params: bytes
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: Encryption parameters
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#### loadParamBytes(pemBytes: bytes)
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Load parameters to self.params from given bytes (TODO: Load from store)
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#### loadRecordToMem(store: str, nodeID: str)
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Load record of nodeID from store to either keys or pameters
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