Class OpaqueUtil (6.119.0)

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public class OpaqueUtil

Inheritance

java.lang.Object > OpaqueUtil

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Fields

AUTH_KEY_INFO

public static final String AUTH_KEY_INFO

Field Value
Type	Description
String

CURVE_NAME

public static final String CURVE_NAME

Field Value
Type	Description
String

DIFFIE_HELLMAN_KEY_INFO

public static final String DIFFIE_HELLMAN_KEY_INFO

Field Value
Type	Description
String

EXPORT_KEY_INFO

public static final String EXPORT_KEY_INFO

Field Value
Type	Description
String

HMAC_SHA256

public static final String HMAC_SHA256

Field Value
Type	Description
String

LOGIN_DOMAIN_SEPARATION_TAG

public static final String LOGIN_DOMAIN_SEPARATION_TAG

Field Value
Type	Description
String

MASKING_KEY_INFO

public static final String MASKING_KEY_INFO

Field Value
Type	Description
String

PRIVATE_KEY_INFO

public static final String PRIVATE_KEY_INFO

Field Value
Type	Description
String

Static Methods

blind(byte[] password, byte[] blindScalar)

public static byte[] blind(byte[] password, byte[] blindScalar)

Parameters
Name	Description
password	byte[]
blindScalar	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

concat(byte[][] arrays)

public static byte[] concat(byte[][] arrays)

Parameter
Name	Description
arrays	byte[][]

Returns
Type	Description
byte[]

diffieHellman(byte[] privateKey, byte[] peerPublicKey)

public static byte[] diffieHellman(byte[] privateKey, byte[] peerPublicKey)

Parameters
Name	Description
privateKey	byte[]
peerPublicKey	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

expand(byte[] keyMaterial, byte[] info, int size)

public static byte[] expand(byte[] keyMaterial, byte[] info, int size)

Parameters
Name	Description
keyMaterial	byte[]
info	byte[]
size	int

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

extract(byte[] inputKeyMaterial)

public static byte[] extract(byte[] inputKeyMaterial)

Parameter
Name	Description
inputKeyMaterial	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

finalize(byte[] blind, byte[] evaluatedMessage)

public static byte[] finalize(byte[] blind, byte[] evaluatedMessage)

Parameters
Name	Description
blind	byte[]
evaluatedMessage	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

generateKeyPair(byte[] deriveInput)

public static byte[][] generateKeyPair(byte[] deriveInput)

Parameter
Name	Description
deriveInput	byte[]

Returns
Type	Description
byte[][]

Exceptions
Type	Description
GeneralSecurityException

getHashToCurve(byte[] message, byte[] domain)

public static byte[] getHashToCurve(byte[] message, byte[] domain)

Parameters
Name	Description
message	byte[]
domain	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

hmacSha256(byte[] key, byte[] message)

public static byte[] hmacSha256(byte[] key, byte[] message)

Parameters
Name	Description
key	byte[]
message	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

mac(byte[] key, byte[] data)

public static byte[] mac(byte[] key, byte[] data)

Parameters
Name	Description
key	byte[]
data	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

nonce()

public static byte[] nonce()

Returns
Type	Description
byte[]

randomOracleSha256(byte[] x, BigInteger max)

public static byte[] randomOracleSha256(byte[] x, BigInteger max)

Parameters
Name	Description
x	byte[]
max	BigInteger

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

sha256(byte[] message)

public static byte[] sha256(byte[] message)

Parameter
Name	Description
message	byte[]

Returns
Type	Description
byte[]

Exceptions
Type	Description
NoSuchAlgorithmException

stretch(byte[] input, Authentication.HashParameters hashParameters)

public static byte[] stretch(byte[] input, Authentication.HashParameters hashParameters)

Parameters
Name	Description
input	byte[]
hashParameters	com.google.cloud.spanner.omni.Authentication.HashParameters

Returns
Type	Description
byte[]

Exceptions
Type	Description
GeneralSecurityException

xorBytes(byte[] a, byte[] b)

public static byte[] xorBytes(byte[] a, byte[] b)

Parameters
Name	Description
a	byte[]
b	byte[]

Returns
Type	Description
byte[]

Constructors

OpaqueUtil()

public OpaqueUtil()