com.casper.sdk.service

Class SigningService

java.lang.Object

com.casper.sdk.service.SigningService

public class SigningService
extends Object

Constructor Summary

Constructors

Constructor and Description
SigningService()

Method Summary

Modifier and Type	Method and Description
org.bouncycastle.crypto.AsymmetricCipherKeyPair	generateEdDSAKey()
org.bouncycastle.crypto.AsymmetricCipherKeyPair	loadKeyPair(File publicKeyFile, File privateKeyFile) Loads the key pairs from the provide file
org.bouncycastle.crypto.AsymmetricCipherKeyPair	loadKeyPair(InputStream publicKeyIn, InputStream privateKeyIn) Loads the key pairs from the provide streams
byte[]	signWithPrivateKey(org.bouncycastle.crypto.params.AsymmetricKeyParameter privateKey, byte[] toSign)
boolean	verifySignature(org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKeyParameters, byte[] toSign, byte[] signature)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SigningService

public SigningService()

Method Detail

loadKeyPair

public org.bouncycastle.crypto.AsymmetricCipherKeyPair loadKeyPair(File publicKeyFile,
                                                                   File privateKeyFile)
                                                            throws IOException

Loads the key pairs from the provide file

Parameters:

publicKeyFile - the public key .pem file

privateKeyFile - the private key .pem file

Returns:

the files loaded into a AsymmetricCipherKeyPair

Throws:

IOException - if the is a problem loading the files

loadKeyPair

public org.bouncycastle.crypto.AsymmetricCipherKeyPair loadKeyPair(InputStream publicKeyIn,
                                                                   InputStream privateKeyIn)
                                                            throws IOException

Loads the key pairs from the provide streams

Parameters:

publicKeyIn - the public key .pem file input stream

privateKeyIn - the private key .pem file input stream

Returns:

the files loaded into a AsymmetricCipherKeyPair

Throws:

IOException - if the is a problem loading the files

generateEdDSAKey

public org.bouncycastle.crypto.AsymmetricCipherKeyPair generateEdDSAKey()

signWithPrivateKey

public byte[] signWithPrivateKey(org.bouncycastle.crypto.params.AsymmetricKeyParameter privateKey,
                                 byte[] toSign)

verifySignature

public boolean verifySignature(org.bouncycastle.crypto.params.AsymmetricKeyParameter publicKeyParameters,
                               byte[] toSign,
                               byte[] signature)