org.turro.push.security.ServerKeys Class Reference

Static Public Member Functions
static String	publicKey ()
static String	privateKey ()
static byte[]	encode (ECPublicKey publicKey)
static byte[]	encode (ECPrivateKey privateKey)
static boolean	verifyKeyPair (PrivateKey privateKey, PublicKey publicKey)
static PrivateKey	loadPrivateKey (String encodedPrivateKey) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
static PrivateKey	loadPrivateKey (byte[] decodedPrivateKey) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
static PublicKey	loadPublicKey (String encodedPublicKey) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
static PublicKey	loadPublicKey (byte[] decodedPublicKey) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException

Static Public Attributes
static final String	CURVE = "prime256v1"
static final String	ALGORITHM = "ECDH"

Detailed Description

Author

Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 58 of file ServerKeys.java.

Member Function Documentation

encode() [1/2]

static byte [] org.turro.push.security.ServerKeys.encode ( ECPrivateKey  privateKey )

static

Definition at line 137 of file ServerKeys.java.

                                                       {
    return privateKey.getD().toByteArray();
  }

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encode() [2/2]

static byte [] org.turro.push.security.ServerKeys.encode ( ECPublicKey  publicKey )

static

Definition at line 133 of file ServerKeys.java.

                                                     {
    return publicKey.getQ().getEncoded(false);
  }

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loadPrivateKey() [1/2]

static PrivateKey org.turro.push.security.ServerKeys.loadPrivateKey ( byte[]  decodedPrivateKey ) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException

static

Definition at line 154 of file ServerKeys.java.

                                                                                                                                                      {
    BigInteger s = BigIntegers.fromUnsignedByteArray(decodedPrivateKey);
    ECParameterSpec parameterSpec = ECNamedCurveTable.getParameterSpec(CURVE);
    ECPrivateKeySpec privateKeySpec = new ECPrivateKeySpec(s, parameterSpec);
    KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM, BouncyCastleProvider.PROVIDER_NAME);
 
    return keyFactory.generatePrivate(privateKeySpec);
  }

loadPrivateKey() [2/2]

static PrivateKey org.turro.push.security.ServerKeys.loadPrivateKey ( String  encodedPrivateKey ) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException

static

Definition at line 149 of file ServerKeys.java.

                                                                                                                                                      {
    byte[] decodedPrivateKey = Base64.decodeBase64(encodedPrivateKey);
    return loadPrivateKey(decodedPrivateKey);
  }

loadPublicKey() [1/2]

static PublicKey org.turro.push.security.ServerKeys.loadPublicKey ( byte[]  decodedPublicKey ) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException

static

Definition at line 168 of file ServerKeys.java.

                                                                                                                                                   {
    KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM, BouncyCastleProvider.PROVIDER_NAME);
    ECParameterSpec parameterSpec = ECNamedCurveTable.getParameterSpec(CURVE);
    ECCurve curve = parameterSpec.getCurve();
    ECPoint point = curve.decodePoint(decodedPublicKey);
    ECPublicKeySpec pubSpec = new ECPublicKeySpec(point, parameterSpec);
 
    return keyFactory.generatePublic(pubSpec);
  }

loadPublicKey() [2/2]

static PublicKey org.turro.push.security.ServerKeys.loadPublicKey ( String  encodedPublicKey ) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException

static

Definition at line 163 of file ServerKeys.java.

                                                                                                                                                   {
    byte[] decodedPublicKey = Base64.decodeBase64(encodedPublicKey);
    return loadPublicKey(decodedPublicKey);
  }

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privateKey()

static String org.turro.push.security.ServerKeys.privateKey ( )

static

Definition at line 64 of file ServerKeys.java.

                                    {
    return instance().getProperty("sk");
  }

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publicKey()

static String org.turro.push.security.ServerKeys.publicKey ( )

static

Definition at line 60 of file ServerKeys.java.

                                   {
    return instance().getProperty("pk");
  }

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verifyKeyPair()

static boolean org.turro.push.security.ServerKeys.verifyKeyPair ( PrivateKey  privateKey, PublicKey  publicKey  )

static

Definition at line 141 of file ServerKeys.java.

                                                                                  {
    ECNamedCurveParameterSpec curveParameters = ECNamedCurveTable.getParameterSpec(CURVE);
    ECPoint g = curveParameters.getG();
    ECPoint sG = g.multiply(((java.security.interfaces.ECPrivateKey) privateKey).getS());
 
    return sG.equals(((ECPublicKey) publicKey).getQ());
  }

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Member Data Documentation

ALGORITHM

final String org.turro.push.security.ServerKeys.ALGORITHM = "ECDH"

static

Definition at line 131 of file ServerKeys.java.

CURVE

final String org.turro.push.security.ServerKeys.CURVE = "prime256v1"

static

Definition at line 130 of file ServerKeys.java.

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The documentation for this class was generated from the following file:

• ServerKeys.java