new MasterKey(options)
Master BIP32 key which can exist in a timed out encrypted state.
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
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Members
(static) alg :Number
Key derivation algorithms.
Type:
- Number
Properties:
| Name | Type | Description |
|---|---|---|
PBKDF2 |
Number | |
SCRYPT |
Number |
- Default Value:
{"PBKDF2":0,"SCRYPT":1}
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(static) algByVal :String
Key derivation algorithms by value.
Type:
- String
Properties:
| Name | Type | Description |
|---|---|---|
0 |
String | |
1 |
String |
- Default Value:
{"undefined":"SCRYPT"}
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(static, constant) SALT :Buffer
Key derivation salt.
Type:
- Buffer
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(private) _decrypt
Decrypt the key permanently without a lock.
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(private) _encrypt
Encrypt the key permanently without a lock.
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(private) _unlock
Decrypt the key without a lock.
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decrypt
Decrypt the key permanently.
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derive
Derive an aes key based on params.
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destroy
Destroy the key permanently.
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encrypt
Encrypt the key permanently.
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lock
Destroy the key by zeroing the privateKey and chainCode. Stop the timer if there is one.
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unlock
Decrypt the key and set a timeout to destroy decrypted data.
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Methods
(static) fromKey(key) → {MasterKey}
Instantiate master key from an HDPrivateKey.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
HDPrivateKey |
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Returns:
- Type
- MasterKey
(static) fromOptions() → {MasterKey}
Instantiate master key from options.
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Returns:
- Type
- MasterKey
(static) fromRaw() → {MasterKey}
Instantiate master key from serialized data.
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Returns:
- Type
- MasterKey
(static) isMasterKey(obj) → {Boolean}
Test whether an object is a MasterKey.
Parameters:
| Name | Type | Description |
|---|---|---|
obj |
Object |
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Returns:
- Type
- Boolean
_lock()
Destroy the key by zeroing the privateKey and chainCode. Stop the timer if there is one.
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decipher(data, iv) → {Buffer}
Decrypt data with in-memory aes key.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Buffer | |
iv |
Buffer |
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Returns:
- Type
- Buffer
encipher(data, iv) → {Buffer}
Encrypt data with in-memory aes key.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Buffer | |
iv |
Buffer |
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Returns:
- Type
- Buffer
(private) fromKey(key)
Inject properties from an HDPrivateKey.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
HDPrivateKey |
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(private) fromOptions(options)
Inject properties from options object.
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
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(private) fromRaw(raw)
Inject properties from serialized data.
Parameters:
| Name | Type | Description |
|---|---|---|
raw |
Buffer |
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getSize() → {Number}
Calculate serialization size.
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Returns:
- Type
- Number
inspect() → {Object}
Inspect the key.
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Returns:
- Type
- Object
(private) start(timeoutopt)
Start the destroy timer.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
timeout |
Number |
<optional> |
60000 | timeout in ms. |
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(private) stop()
Stop the destroy timer.
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toJSON(unsafenullable) → {Object}
Convert master key to a jsonifiable object.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
unsafe |
Boolean |
<nullable> |
Whether to include the key data in the JSON. |
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Returns:
- Type
- Object
toRaw() → {Buffer}
Serialize the key in the form of:
[enc-flag][iv?][ciphertext?][extended-key?]
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Returns:
- Type
- Buffer