Uses of Class
org.bitcoinj.core.ECKey

Packages that use ECKey

Package	Description
org.bitcoinj.core	The core package contains classes for network messages like Block and Transaction, peer connectivity via PeerGroup, and block chain management.
org.bitcoinj.crypto	The crypto package contains classes that work with key derivation algorithms like scrypt (passwords to AES keys), BIP 32 hierarchies (chains of keys from a root seed), X.509 utilities for the payment protocol and other general cryptography tasks.
org.bitcoinj.jni
org.bitcoinj.net.discovery	Classes that know how to discover peers in the P2P network using DNS, IRC or DNS via Tor (orchid).
org.bitcoinj.protocols.channels	Micropayment channels allow for rapid tiny payments to be made to a third party once a channel has been set up, using some of the advanced features of the Bitcoin protocol.
org.bitcoinj.script	Classes for working with and executing Bitcoin script programs, as embedded in inputs and outputs.
org.bitcoinj.signers	Transaction signers know how to calculate signatures over transactions in different contexts, for example, using local private keys or fetching them from remote servers.
org.bitcoinj.wallet	Classes that support the Wallet, which knows how to find and save transactions relevant to a set of keys or scripts, calculate balances, and spend money: the wallet has many features and can be extended in various ways, please refer to the website for documentation on how to use it.
org.bitcoinj.wallet.listeners

Uses of ECKey in org.bitcoinj.core

Fields in org.bitcoinj.core with type parameters of type ECKey

Modifier and Type	Field and Description
static Comparator<ECKey>	ECKey.AGE_COMPARATOR Sorts oldest keys first, newest last.
static Comparator<ECKey>	ECKey.PUBKEY_COMPARATOR Compares pub key bytes using UnsignedBytes.lexicographicalComparator()

Methods in org.bitcoinj.core that return ECKey

Modifier and Type	Method and Description
ECKey	ECKey.decompress() Returns a copy of this key, but with the public point represented in uncompressed form.
ECKey	ECKey.decrypt(KeyCrypter keyCrypter, org.spongycastle.crypto.params.KeyParameter aesKey) Create a decrypted private key with the keyCrypter and AES key supplied.
ECKey	ECKey.decrypt(org.spongycastle.crypto.params.KeyParameter aesKey) Create a decrypted private key with AES key.
ECKey	ECKey.encrypt(KeyCrypter keyCrypter, org.spongycastle.crypto.params.KeyParameter aesKey) Create an encrypted private key with the keyCrypter and the AES key supplied.
static ECKey	ECKey.fromASN1(byte[] asn1privkey) Construct an ECKey from an ASN.1 encoded private key.
static ECKey	ECKey.fromEncrypted(EncryptedData encryptedPrivateKey, KeyCrypter crypter, byte[] pubKey) Constructs a key that has an encrypted private component.
static ECKey	ECKey.fromPrivate(BigInteger privKey) Creates an ECKey given the private key only.
static ECKey	ECKey.fromPrivate(BigInteger privKey, boolean compressed) Creates an ECKey given the private key only.
static ECKey	ECKey.fromPrivate(byte[] privKeyBytes) Creates an ECKey given the private key only.
static ECKey	ECKey.fromPrivate(byte[] privKeyBytes, boolean compressed) Creates an ECKey given the private key only.
static ECKey	ECKey.fromPrivateAndPrecalculatedPublic(BigInteger priv, org.spongycastle.math.ec.ECPoint pub) Creates an ECKey that simply trusts the caller to ensure that point is really the result of multiplying the generator point by the private key.
static ECKey	ECKey.fromPrivateAndPrecalculatedPublic(byte[] priv, byte[] pub) Creates an ECKey that simply trusts the caller to ensure that point is really the result of multiplying the generator point by the private key.
static ECKey	ECKey.fromPublicOnly(byte[] pub) Creates an ECKey that cannot be used for signing, only verifying signatures, from the given encoded point.
static ECKey	ECKey.fromPublicOnly(org.spongycastle.math.ec.ECPoint pub) Creates an ECKey that cannot be used for signing, only verifying signatures, from the given point.
ECKey	TransactionOutPoint.getConnectedKey(KeyBag keyBag) Returns the ECKey identified in the connected output, for either pay-to-address scripts or pay-to-key scripts.
ECKey	DumpedPrivateKey.getKey() Returns an ECKey created from this encoded private key.
ECKey	ECKey.maybeDecrypt(org.spongycastle.crypto.params.KeyParameter aesKey) Creates decrypted private key if needed.
static ECKey	ECKey.recoverFromSignature(int recId, ECKey.ECDSASignature sig, Sha256Hash message, boolean compressed) Given the components of a signature and a selector value, recover and return the public key that generated the signature according to the algorithm in SEC1v2 section 4.1.6.
static ECKey	ECKey.signedMessageToKey(String message, String signatureBase64) Given an arbitrary piece of text and a Bitcoin-format message signature encoded in base64, returns an ECKey containing the public key that was used to sign it.

Methods in org.bitcoinj.core with parameters of type ECKey

Modifier and Type	Method and Description
TransactionOutput	Transaction.addOutput(Coin value, ECKey pubkey) Creates an output that pays to the given pubkey directly (no address) with the given value, adds it to this transaction, and returns the new output.
TransactionInput	Transaction.addSignedInput(TransactionOutPoint prevOut, Script scriptPubKey, ECKey sigKey) Same as Transaction.addSignedInput(TransactionOutPoint, org.bitcoinj.script.Script, ECKey, org.bitcoinj.core.Transaction.SigHash, boolean) but defaults to Transaction.SigHash.ALL and "false" for the anyoneCanPay flag.
TransactionInput	Transaction.addSignedInput(TransactionOutPoint prevOut, Script scriptPubKey, ECKey sigKey, Transaction.SigHash sigHash, boolean anyoneCanPay) Adds a new and fully signed input for the given parameters.
TransactionInput	Transaction.addSignedInput(TransactionOutput output, ECKey signingKey) Adds an input that points to the given output and contains a valid signature for it, calculated using the signing key.
TransactionInput	Transaction.addSignedInput(TransactionOutput output, ECKey signingKey, Transaction.SigHash sigHash, boolean anyoneCanPay) Adds an input that points to the given output and contains a valid signature for it, calculated using the signing key.
TransactionSignature	Transaction.calculateSignature(int inputIndex, ECKey key, byte[] redeemScript, Transaction.SigHash hashType, boolean anyoneCanPay) Calculates a signature that is valid for being inserted into the input at the given position.
TransactionSignature	Transaction.calculateSignature(int inputIndex, ECKey key, Script redeemScript, Transaction.SigHash hashType, boolean anyoneCanPay) Calculates a signature that is valid for being inserted into the input at the given position.
static boolean	ECKey.encryptionIsReversible(ECKey originalKey, ECKey encryptedKey, KeyCrypter keyCrypter, org.spongycastle.crypto.params.KeyParameter aesKey) Check that it is possible to decrypt the key with the keyCrypter and that the original key is returned.
void	BloomFilter.insert(ECKey key) Inserts the given key and equivalent hashed form (for the address).

Constructors in org.bitcoinj.core with parameters of type ECKey

Constructor and Description
TransactionOutput(NetworkParameters params, Transaction parent, Coin value, ECKey to) Creates an output that sends 'value' to the given public key using a simple CHECKSIG script (no addresses).

Uses of ECKey in org.bitcoinj.crypto

Subclasses of ECKey in org.bitcoinj.crypto

Modifier and Type	Class and Description
class	DeterministicKey A deterministic key is a node in a DeterministicHierarchy.

Fields in org.bitcoinj.crypto with type parameters of type ECKey

Modifier and Type	Field and Description
static Comparator<ECKey>	DeterministicKey.CHILDNUM_ORDER Sorts deterministic keys in the order of their child number.

Methods in org.bitcoinj.crypto that return ECKey

Modifier and Type	Method and Description
ECKey	BIP38PrivateKey.decrypt(String passphrase)

Uses of ECKey in org.bitcoinj.jni

Method parameters in org.bitcoinj.jni with type arguments of type ECKey

Modifier and Type	Method and Description
void	NativeWalletEventListener.onKeysAdded(List<ECKey> keys)
void	NativeKeyChainEventListener.onKeysAdded(List<ECKey> keys)

Uses of ECKey in org.bitcoinj.net.discovery

Fields in org.bitcoinj.net.discovery declared as ECKey

Modifier and Type	Field and Description
ECKey	HttpDiscovery.Details.pubkey

Constructors in org.bitcoinj.net.discovery with parameters of type ECKey

Constructor and Description
Details(ECKey pubkey, URI uri)
HttpDiscovery(NetworkParameters params, URI uri, ECKey pubkey) Constructs a discovery object that will read data from the given HTTP[S] URI and, if a public key is provided, will check the signature using that key.

Uses of ECKey in org.bitcoinj.protocols.channels

Fields in org.bitcoinj.protocols.channels declared as ECKey

Modifier and Type	Field and Description
protected ECKey	PaymentChannelV2ServerState.clientKey
protected ECKey	PaymentChannelV1ServerState.clientKey
protected ECKey	PaymentChannelServerState.serverKey

Methods in org.bitcoinj.protocols.channels that return ECKey

Modifier and Type	Method and Description
protected ECKey	PaymentChannelV2ServerState.getClientKey()
protected abstract ECKey	PaymentChannelServerState.getClientKey()
protected ECKey	PaymentChannelV1ServerState.getClientKey()

Constructors in org.bitcoinj.protocols.channels with parameters of type ECKey

Constructor and Description
PaymentChannelClient(Wallet wallet, ECKey myKey, Coin maxValue, Sha256Hash serverId, IPaymentChannelClient.ClientConnection conn) Constructs a new channel manager which waits for PaymentChannelClient.connectionOpen() before acting.
PaymentChannelClient(Wallet wallet, ECKey myKey, Coin maxValue, Sha256Hash serverId, IPaymentChannelClient.ClientConnection conn, PaymentChannelClient.VersionSelector versionSelector) Constructs a new channel manager which waits for PaymentChannelClient.connectionOpen() before acting.
PaymentChannelClient(Wallet wallet, ECKey myKey, Coin maxValue, Sha256Hash serverId, long timeWindow, org.spongycastle.crypto.params.KeyParameter userKeySetup, IPaymentChannelClient.ClientConnection conn) Constructs a new channel manager which waits for PaymentChannelClient.connectionOpen() before acting.
PaymentChannelClient(Wallet wallet, ECKey myKey, Coin maxValue, Sha256Hash serverId, long timeWindow, org.spongycastle.crypto.params.KeyParameter userKeySetup, IPaymentChannelClient.ClientConnection conn, PaymentChannelClient.VersionSelector versionSelector) Constructs a new channel manager which waits for PaymentChannelClient.connectionOpen() before acting.
PaymentChannelClientConnection(InetSocketAddress server, int timeoutSeconds, Wallet wallet, ECKey myKey, Coin maxValue, String serverId) Attempts to open a new connection to and open a payment channel with the given host and port, blocking until the connection is open.
PaymentChannelClientConnection(InetSocketAddress server, int timeoutSeconds, Wallet wallet, ECKey myKey, Coin maxValue, String serverId, long timeWindow, org.spongycastle.crypto.params.KeyParameter userKeySetup) Attempts to open a new connection to and open a payment channel with the given host and port, blocking until the connection is open.
PaymentChannelClientConnection(InetSocketAddress server, int timeoutSeconds, Wallet wallet, ECKey myKey, Coin maxValue, String serverId, long timeWindow, org.spongycastle.crypto.params.KeyParameter userKeySetup, PaymentChannelClient.VersionSelector versionSelector) Attempts to open a new connection to and open a payment channel with the given host and port, blocking until the connection is open.
PaymentChannelClientConnection(InetSocketAddress server, int timeoutSeconds, Wallet wallet, ECKey myKey, Coin maxValue, String serverId, PaymentChannelClient.VersionSelector versionSelector) Attempts to open a new connection to and open a payment channel with the given host and port, blocking until the connection is open.
PaymentChannelClientState(Wallet wallet, ECKey myKey, ECKey serverKey, Coin value, long expiryTimeInSeconds) Creates a state object for a payment channel client.
PaymentChannelServerState(TransactionBroadcaster broadcaster, Wallet wallet, ECKey serverKey, long minExpireTime) Creates a new state object to track the server side of a payment channel.
PaymentChannelV1ClientState(Wallet wallet, ECKey myKey, ECKey serverMultisigKey, Coin value, long expiryTimeInSeconds) Creates a state object for a payment channel client.
PaymentChannelV1ServerState(TransactionBroadcaster broadcaster, Wallet wallet, ECKey serverKey, long minExpireTime) Creates a new state object to track the server side of a payment channel.
PaymentChannelV2ClientState(Wallet wallet, ECKey myKey, ECKey serverMultisigKey, Coin value, long expiryTimeInSeconds)
PaymentChannelV2ServerState(TransactionBroadcaster broadcaster, Wallet wallet, ECKey serverKey, long minExpireTime)

Uses of ECKey in org.bitcoinj.script

Methods in org.bitcoinj.script that return types with arguments of type ECKey

Modifier and Type	Method and Description
List<ECKey>	Script.getPubKeys() Returns a list of the keys required by this script, assuming a multi-sig script.

Methods in org.bitcoinj.script with parameters of type ECKey

Modifier and Type	Method and Description
static Script	ScriptBuilder.createCLTVPaymentChannelOutput(BigInteger time, ECKey from, ECKey to)
Script	Script.createEmptyInputScript(ECKey key, Script redeemScript) Creates an incomplete scriptSig that, once filled with signatures, can redeem output containing this scriptPubKey.
static Script	ScriptBuilder.createInputScript(TransactionSignature signature, ECKey pubKey) Creates a scriptSig that can redeem a pay-to-address output.
static Script	ScriptBuilder.createOutputScript(ECKey key) Creates a scriptPubKey that encodes payment to the given raw public key.
int	Script.getNumberOfBytesRequiredToSpend(ECKey pubKey, Script redeemScript) Returns number of bytes required to spend this script.
int	Script.getSigInsertionIndex(Sha256Hash hash, ECKey signingKey) Returns the index where a signature by the key should be inserted.

Method parameters in org.bitcoinj.script with type arguments of type ECKey

Modifier and Type	Method and Description
static Script	ScriptBuilder.createMultiSigOutputScript(int threshold, List<ECKey> pubkeys) Creates a program that requires at least N of the given keys to sign, using OP_CHECKMULTISIG.
static byte[]	Script.createMultiSigOutputScript(int threshold, List<ECKey> pubkeys) Creates a program that requires at least N of the given keys to sign, using OP_CHECKMULTISIG.
static Script	ScriptBuilder.createP2SHOutputScript(int threshold, List<ECKey> pubkeys) Creates a P2SH output script with given public keys and threshold.
static Script	ScriptBuilder.createRedeemScript(int threshold, List<ECKey> pubkeys) Creates redeem script with given public keys and threshold.

Uses of ECKey in org.bitcoinj.signers

Fields in org.bitcoinj.signers declared as ECKey

Modifier and Type	Field and Description
ECKey	CustomTransactionSigner.SignatureAndKey.pubKey

Constructors in org.bitcoinj.signers with parameters of type ECKey

Constructor and Description
SignatureAndKey(ECKey.ECDSASignature sig, ECKey pubKey)

Uses of ECKey in org.bitcoinj.wallet

Fields in org.bitcoinj.wallet with type parameters of type ECKey

Modifier and Type	Field and Description
List<ECKey>	RedeemData.keys

Methods in org.bitcoinj.wallet that return ECKey

Modifier and Type	Method and Description
ECKey	KeyBag.findKeyFromPubHash(byte[] pubkeyHash) Locates a keypair from the keychain given the hash of the public key.
ECKey	DecryptingKeyBag.findKeyFromPubHash(byte[] pubkeyHash)
ECKey	BasicKeyChain.findKeyFromPubHash(byte[] pubkeyHash)
ECKey	KeyChainGroup.findKeyFromPubHash(byte[] pubkeyHash)
ECKey	Wallet.findKeyFromPubHash(byte[] pubkeyHash) Locates a keypair from the basicKeyChain given the hash of the public key.
ECKey	KeyBag.findKeyFromPubKey(byte[] pubkey) Locates a keypair from the keychain given the raw public key bytes.
ECKey	DecryptingKeyBag.findKeyFromPubKey(byte[] pubkey)
ECKey	BasicKeyChain.findKeyFromPubKey(byte[] pubkey)
ECKey	KeyChainGroup.findKeyFromPubKey(byte[] pubkey)
ECKey	Wallet.findKeyFromPubKey(byte[] pubkey) Locates a keypair from the basicKeyChain given the raw public key bytes.
ECKey	BasicKeyChain.findOldestKeyAfter(long timeSecs) Returns the first ECKey created after the given UNIX time, or null if there is none.
ECKey	RedeemData.getFullKey() Returns the first key that has private bytes
ECKey	BasicKeyChain.getKey(KeyChain.KeyPurpose ignored)
ECKey	KeyChain.getKey(KeyChain.KeyPurpose purpose) Obtains a key intended for the given purpose.

Methods in org.bitcoinj.wallet that return types with arguments of type ECKey

Modifier and Type	Method and Description
List<ECKey>	BasicKeyChain.findKeysBefore(long timeSecs) Returns a list of all ECKeys created after the given UNIX time.
List<ECKey>	KeyChainGroup.getImportedKeys() Returns a list of the non-deterministic keys that have been imported into the wallet, or the empty list if none.
List<ECKey>	Wallet.getImportedKeys() Returns a list of the non-deterministic keys that have been imported into the wallet, or the empty list if none.
List<ECKey>	Wallet.getIssuedReceiveKeys() Returns only the keys that have been issued by Wallet.freshReceiveKey(), Wallet.freshReceiveAddress(), Wallet.currentReceiveKey() or Wallet.currentReceiveAddress().
List<ECKey>	DeterministicKeyChain.getIssuedReceiveKeys() Returns only the external keys that have been issued by this chain, lookahead not included.
List<ECKey>	BasicKeyChain.getKeys() Returns a copy of the list of keys that this chain is managing.
List<ECKey>	BasicKeyChain.getKeys(KeyChain.KeyPurpose purpose, int numberOfKeys)
List<? extends ECKey>	KeyChain.getKeys(KeyChain.KeyPurpose purpose, int numberOfKeys) Obtains a number of key/s intended for the given purpose.

Methods in org.bitcoinj.wallet with parameters of type ECKey

Modifier and Type	Method and Description
boolean	Wallet.addKey(ECKey key) Deprecated.
boolean	BasicKeyChain.hasKey(ECKey key)
boolean	KeyChainGroup.hasKey(ECKey key)
boolean	Wallet.hasKey(ECKey key) Returns true if the given key is in the wallet, false otherwise.
boolean	DeterministicKeyChain.hasKey(ECKey key)
boolean	KeyChain.hasKey(ECKey key) Returns true if the given key is in the chain.
void	BasicKeyChain.importKey(ECKey key) Imports a key to the key chain.
boolean	Wallet.importKey(ECKey key) Imports the given ECKey to the wallet.
int	BasicKeyChain.importKeys(ECKey... keys)
int	KeyChainGroup.importKeys(ECKey... keys) Imports the given keys into the basic chain, creating it if necessary.
boolean	Wallet.isKeyRotating(ECKey key) Returns whether the keys creation time is before the key rotation time, if one was set.
static RedeemData	RedeemData.of(ECKey key, Script program) Creates RedeemData for pay-to-address or pay-to-pubkey input.
boolean	KeyChainGroup.removeImportedKey(ECKey key) Removes a key that was imported into the basic key chain.
boolean	BasicKeyChain.removeKey(ECKey key) Removes the given key from the keychain.
boolean	Wallet.removeKey(ECKey key) Removes the given key from the basicKeyChain.
static SendRequest	SendRequest.to(NetworkParameters params, ECKey destination, Coin value) Creates a new SendRequest to the given pubkey for the given value.
static SendRequest	SendRequest.toCLTVPaymentChannel(NetworkParameters params, BigInteger time, ECKey from, ECKey to, Coin value)
static SendRequest	SendRequest.toCLTVPaymentChannel(NetworkParameters params, Date releaseTime, ECKey from, ECKey to, Coin value)
static SendRequest	SendRequest.toCLTVPaymentChannel(NetworkParameters params, int releaseBlock, ECKey from, ECKey to, Coin value)

Method parameters in org.bitcoinj.wallet with type arguments of type ECKey

Modifier and Type	Method and Description
int	Wallet.addKeys(List<ECKey> keys) Deprecated.
static Wallet	Wallet.fromKeys(NetworkParameters params, List<ECKey> keys) Creates a wallet containing a given set of keys.
int	BasicKeyChain.importKeys(List<? extends ECKey> keys)
int	KeyChainGroup.importKeys(List<ECKey> keys) Imports the given keys into the basic chain, creating it if necessary.
int	Wallet.importKeys(List<ECKey> keys) Imports the given keys to the wallet.
int	Wallet.importKeysAndEncrypt(List<ECKey> keys, CharSequence password) Takes a list of keys and a password, then encrypts and imports them in one step using the current keycrypter.
int	KeyChainGroup.importKeysAndEncrypt(List<ECKey> keys, org.spongycastle.crypto.params.KeyParameter aesKey) Imports the given unencrypted keys into the basic chain, encrypting them along the way with the given key.
int	Wallet.importKeysAndEncrypt(List<ECKey> keys, org.spongycastle.crypto.params.KeyParameter aesKey) Takes a list of keys and an AES key, then encrypts and imports them in one step using the current keycrypter.
static RedeemData	RedeemData.of(List<ECKey> keys, Script redeemScript)

Uses of ECKey in org.bitcoinj.wallet.listeners

Method parameters in org.bitcoinj.wallet.listeners with type arguments of type ECKey

Modifier and Type	Method and Description
void	KeyChainEventListener.onKeysAdded(List<ECKey> keys) Called whenever a new key is added to the key chain, whether that be via an explicit addition or due to some other automatic derivation.
void	AbstractWalletEventListener.onKeysAdded(List<ECKey> keys) Deprecated.
void	AbstractKeyChainEventListener.onKeysAdded(List<ECKey> keys)