Module com.hedera.hashgraph.sdk

Package com.hedera.hashgraph.sdk

Class PublicKeyECDSA

java.lang.Object

com.hedera.hashgraph.sdk.Key

com.hedera.hashgraph.sdk.PublicKey

com.hedera.hashgraph.sdk.PublicKeyECDSA

class PublicKeyECDSA
extends PublicKey

Encapsulate the ECDSA public key.

Field Summary

Fields inherited from class com.hedera.hashgraph.sdk.Key

ECDSA_SECP256K1_CURVE, ECDSA_SECP256K1_DOMAIN, ID_EC_PUBLIC_KEY, ID_ECDSA_SECP256K1, ID_ED25519

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
(package private) com.google.protobuf.ByteString	extractSignatureFromProtobuf(SignaturePair pair)	Get the signature from a signature pair protobuf.
(package private) static PublicKeyECDSA	fromBytesInternal(byte[] publicKey)	Create a key from a byte array representation.
(package private) static PublicKeyECDSA	fromSubjectKeyInfoInternal(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo subjectPublicKeyInfo)	Create a key from a subject public key info object.
int	hashCode()
boolean	isECDSA()	Is this an ECDSA key?
boolean	isED25519()	Is this an ED25519 key?
byte[]	toBytes()	Create the byte array.
byte[]	toBytesDER()	Extract the DER represented as a byte array.
byte[]	toBytesRaw()	Extract the raw byte representation.
EvmAddress	toEvmAddress()	Converts the key to EVM address
(package private) Key	toProtobufKey()	Serialize this key as a protobuf object
(package private) SignaturePair	toSignaturePairProtobuf(byte[] signature)	Serialize this key as a SignaturePair protobuf object
boolean	verify(byte[] message, byte[] signature)	Verify a signature on a message with this public key.

Methods inherited from class com.hedera.hashgraph.sdk.PublicKey

fromAliasBytes, fromBytes, fromBytesDER, fromBytesECDSA, fromBytesED25519, fromString, fromStringDER, fromStringECDSA, fromStringED25519, toAccountId, toString, toStringDER, toStringRaw, unusableKey, verifyTransaction

Methods inherited from class com.hedera.hashgraph.sdk.Key

fromProtobufKey

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Details

fromBytesInternal

static PublicKeyECDSA fromBytesInternal(byte[] publicKey)

Create a key from a byte array representation.

Parameters:

publicKey - the byte array representing the key

Returns:

the new key

fromSubjectKeyInfoInternal

static PublicKeyECDSA fromSubjectKeyInfoInternal(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo subjectPublicKeyInfo)

Create a key from a subject public key info object.

Parameters:

subjectPublicKeyInfo - the subject public key info object

Returns:

the new public key

extractSignatureFromProtobuf

com.google.protobuf.ByteString extractSignatureFromProtobuf(SignaturePair pair)

Description copied from class: PublicKey

Get the signature from a signature pair protobuf.

Specified by:

extractSignatureFromProtobuf in class PublicKey

Parameters:

pair - the protobuf

Returns:

the signature

verify

public boolean verify(byte[] message,
 byte[] signature)

Description copied from class: PublicKey

Verify a signature on a message with this public key.

Specified by:

verify in class PublicKey

Parameters:

message - The array of bytes representing the message

signature - The array of bytes representing the signature

Returns:

boolean

toProtobufKey

Key toProtobufKey()

Description copied from class: Key

Serialize this key as a protobuf object

Specified by:

toProtobufKey in class Key

toSignaturePairProtobuf

SignaturePair toSignaturePairProtobuf(byte[] signature)

Description copied from class: PublicKey

Serialize this key as a SignaturePair protobuf object

Specified by:

toSignaturePairProtobuf in class PublicKey

toBytesDER

public byte[] toBytesDER()

Description copied from class: PublicKey

Extract the DER represented as a byte array.

Specified by:

toBytesDER in class PublicKey

Returns:

the DER represented as a byte array

toBytes

public byte[] toBytes()

Description copied from class: Key

Create the byte array.

Specified by:

toBytes in class PublicKey

Returns:

the byte array representation

toBytesRaw

public byte[] toBytesRaw()

Description copied from class: PublicKey

Extract the raw byte representation.

Specified by:

toBytesRaw in class PublicKey

Returns:

the raw byte representation

toEvmAddress

public EvmAddress toEvmAddress()

Description copied from class: PublicKey

Converts the key to EVM address

Specified by:

toEvmAddress in class PublicKey

Returns:

the EVM address

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

isED25519

public boolean isED25519()

Description copied from class: PublicKey

Is this an ED25519 key?

Specified by:

isED25519 in class PublicKey

Returns:

is this an ED25519 key

isECDSA

public boolean isECDSA()

Description copied from class: PublicKey

Is this an ECDSA key?

Specified by:

isECDSA in class PublicKey

Returns:

is this an ECDSA key