Examples with RSAPrivateCrtKeySpec java.security.spec.RSAPrivateCrtKeySpec used on opensource projects

Example 26 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project robovm by robovm.

the class RSAPrivateCrtKeySpecTest method testGetPrivateExponent.

/**
     * Test for <code>getPrivateExponent()</code> method<br>
     * Assertion: returns private exponent
     */
public final void testGetPrivateExponent() {
    RSAPrivateCrtKeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.ONE, BigInteger.valueOf(5L), BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE);
    assertTrue(BigInteger.valueOf(5L).equals(ks.getPrivateExponent()));
}

Example 27 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project robovm by robovm.

the class RSAPrivateCrtKeySpecTest method testGetPublicExponent.

/**
     * Test for <code>getPublicExponent()</code> method<br>
     * Assertion: returns public exponent
     */
public final void testGetPublicExponent() {
    RSAPrivateCrtKeySpec ks = new RSAPrivateCrtKeySpec(BigInteger.ONE, BigInteger.valueOf(5L), BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE, BigInteger.ONE);
    assertTrue(BigInteger.valueOf(5L).equals(ks.getPublicExponent()));
}

Example 28 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project intellij-community by JetBrains.

the class Asn1Object method getRSAKeySpec.

/**
   * Convert PKCS#1 encoded private key into RSAPrivateCrtKeySpec.
   * <p/>
   * <p/>The ASN.1 syntax for the private key with CRT is
   * <p/>
   * <pre>
   * --
   * -- Representation of RSA private key with information for the CRT algorithm.
   * --
   * RSAPrivateKey ::= SEQUENCE {
   *   version           Version,
   *   modulus           INTEGER,  -- n
   *   publicExponent    INTEGER,  -- e
   *   privateExponent   INTEGER,  -- d
   *   prime1            INTEGER,  -- p
   *   prime2            INTEGER,  -- q
   *   exponent1         INTEGER,  -- d mod (p-1)
   *   exponent2         INTEGER,  -- d mod (q-1)
   *   coefficient       INTEGER,  -- (inverse of q) mod p
   *   otherPrimeInfos   OtherPrimeInfos OPTIONAL
   * }
   * </pre>
   *
   * @param keyBytes PKCS#1 encoded key
   * @return KeySpec
   * @throws IOException
   */
private static RSAPrivateCrtKeySpec getRSAKeySpec(byte[] keyBytes) throws IOException {
    DerParser parser = new DerParser(keyBytes);
    Asn1Object sequence = parser.read();
    if (sequence.getType() != DerParser.SEQUENCE) {
        throw new IOException("Invalid DER: not a sequence");
    }
    // Parse inside the sequence
    parser = sequence.getParser();
    // Skip version
    parser.read();
    BigInteger modulus = parser.read().getInteger();
    BigInteger publicExp = parser.read().getInteger();
    BigInteger privateExp = parser.read().getInteger();
    BigInteger prime1 = parser.read().getInteger();
    BigInteger prime2 = parser.read().getInteger();
    BigInteger exp1 = parser.read().getInteger();
    BigInteger exp2 = parser.read().getInteger();
    BigInteger crtCoef = parser.read().getInteger();
    return new RSAPrivateCrtKeySpec(modulus, publicExp, privateExp, prime1, prime2, exp1, exp2, crtCoef);
}

Example 29 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project azure-sdk-for-java by Azure.

the class KeyOperationsTest method getWellKnownKey.

private static KeyPair getWellKnownKey() throws Exception {
    BigInteger modulus = new BigInteger("27266783713040163753473734334021230592631652450892850648620119914958066181400432364213298181846462385257448168605902438305568194683691563208578540343969522651422088760509452879461613852042845039552547834002168737350264189810815735922734447830725099163869215360401162450008673869707774119785881115044406101346450911054819448375712432746968301739007624952483347278954755460152795801894283389540036131881712321193750961817346255102052653789197325341350920441746054233522546543768770643593655942246891652634114922277138937273034902434321431672058220631825053788262810480543541597284376261438324665363067125951152574540779");
    BigInteger publicExponent = new BigInteger("65537");
    BigInteger privateExponent = new BigInteger("10466613941269075477152428927796086150095892102279802916937552172064636326433780566497000814207416485739683286961848843255766652023400959086290344987308562817062506476465756840999981989957456897020361717197805192876094362315496459535960304928171129585813477132331538577519084006595335055487028872410579127692209642938724850603554885478763205394868103298473476811627231543504190652483290944218004086457805431824328448422034887148115990501701345535825110962804471270499590234116100216841170344686381902328362376624405803648588830575558058257742073963036264273582756620469659464278207233345784355220317478103481872995809");
    BigInteger primeP = new BigInteger("175002941104568842715096339107566771592009112128184231961529953978142750732317724951747797764638217287618769007295505214923187971350518217670604044004381362495186864051394404165602744235299100790551775147322153206730562450301874236875459336154569893255570576967036237661594595803204808064127845257496057219227");
    BigInteger primeQ = new BigInteger("155807574095269324897144428622185380283967159190626345335083690114147315509962698765044950001909553861571493035240542031420213144237033208612132704562174772894369053916729901982420535940939821673277140180113593951522522222348910536202664252481405241042414183668723338300649954708432681241621374644926879028977");
    BigInteger primeExponentP = new BigInteger("79745606804504995938838168837578376593737280079895233277372027184693457251170125851946171360348440134236338520742068873132216695552312068793428432338173016914968041076503997528137698610601222912385953171485249299873377130717231063522112968474603281996190849604705284061306758152904594168593526874435238915345");
    BigInteger primeExponentQ = new BigInteger("80619964983821018303966686284189517841976445905569830731617605558094658227540855971763115484608005874540349730961777634427740786642996065386667564038755340092176159839025706183161615488856833433976243963682074011475658804676349317075370362785860401437192843468423594688700132964854367053490737073471709030801");
    BigInteger crtCoefficient = new BigInteger("2157818511040667226980891229484210846757728661751992467240662009652654684725325675037512595031058612950802328971801913498711880111052682274056041470625863586779333188842602381844572406517251106159327934511268610438516820278066686225397795046020275055545005189953702783748235257613991379770525910232674719428");
    KeySpec publicKeySpec = new RSAPublicKeySpec(modulus, publicExponent);
    KeySpec privateKeySpec = new RSAPrivateCrtKeySpec(modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient);
    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
    return new KeyPair(keyFactory.generatePublic(publicKeySpec), keyFactory.generatePrivate(privateKeySpec));
}

Example 30 with RSAPrivateCrtKeySpec

use of java.security.spec.RSAPrivateCrtKeySpec in project robovm by robovm.

the class SignatureTest method testSign_SHA1withRSA_CrtKey_NoModulus_Failure.

public void testSign_SHA1withRSA_CrtKey_NoModulus_Failure() throws Exception {
    KeyFactory kf = KeyFactory.getInstance("RSA");
    RSAPrivateCrtKeySpec keySpec = new RSAPrivateCrtKeySpec(null, RSA_2048_publicExponent, RSA_2048_privateExponent, RSA_2048_primeP, RSA_2048_primeQ, null, null, null);
    // Failing on this key early is okay.
    final PrivateKey privKey;
    try {
        privKey = kf.generatePrivate(keySpec);
    } catch (NullPointerException e) {
        return;
    } catch (InvalidKeySpecException e) {
        return;
    }
    Signature sig = Signature.getInstance("SHA1withRSA");
    try {
        sig.initSign(privKey);
        fail("Should throw error when modulus is not available");
    } catch (InvalidKeyException expected) {
    }
}