Example usage for org.bouncycastle.asn1 DERSequence size

Introduction

In this page you can find the example usage for org.bouncycastle.asn1 DERSequence size.

Prototype

public int size() 

Source Link

Document

Return the number of objects in this sequence.

Usage

From source file:org.jruby.ext.openssl.x509store.BouncyCastleASN1FormatHandler.java

License:LGPL

@Override
public PrivateKey readRSAPrivateKey(String input) throws IOException, GeneralSecurityException {
    KeyFactory fact = KeyFactory.getInstance("RSA");
    DERSequence seq = (DERSequence) (new ASN1InputStream(ByteList.plain(input)).readObject());
    if (seq.size() == 9) {
        BigInteger mod = ((DERInteger) seq.getObjectAt(1)).getValue();
        BigInteger pubexp = ((DERInteger) seq.getObjectAt(2)).getValue();
        BigInteger privexp = ((DERInteger) seq.getObjectAt(3)).getValue();
        BigInteger primep = ((DERInteger) seq.getObjectAt(4)).getValue();
        BigInteger primeq = ((DERInteger) seq.getObjectAt(5)).getValue();
        BigInteger primeep = ((DERInteger) seq.getObjectAt(6)).getValue();
        BigInteger primeeq = ((DERInteger) seq.getObjectAt(7)).getValue();
        BigInteger crtcoeff = ((DERInteger) seq.getObjectAt(8)).getValue();
        return fact.generatePrivate(
                new RSAPrivateCrtKeySpec(mod, pubexp, privexp, primep, primeq, primeep, primeeq, crtcoeff));
    } else {/*from  w w  w  .ja  v  a2s  .  c  o m*/
        return null;
    }
}

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From source file:org.jruby.ext.openssl.x509store.BouncyCastleASN1FormatHandler.java

License:LGPL

@Override
public PublicKey readRSAPublicKey(String input) throws IOException, GeneralSecurityException {
    KeyFactory fact = KeyFactory.getInstance("RSA");
    DERSequence seq = (DERSequence) (new ASN1InputStream(ByteList.plain(input)).readObject());
    if (seq.size() == 2) {
        BigInteger mod = ((DERInteger) seq.getObjectAt(0)).getValue();
        BigInteger pubexp = ((DERInteger) seq.getObjectAt(1)).getValue();
        return fact.generatePublic(new RSAPublicKeySpec(mod, pubexp));
    } else {/*from   ww  w.  j  a va2s  .com*/
        return null;
    }
}

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From source file:org.jruby.ext.openssl.x509store.BouncyCastleASN1FormatHandler.java

License:LGPL

@Override
public KeyPair readDSAPrivateKey(String input) throws IOException, GeneralSecurityException {
    KeyFactory fact = KeyFactory.getInstance("DSA");
    DERSequence seq = (DERSequence) (new ASN1InputStream(ByteList.plain(input)).readObject());
    if (seq.size() == 6) {
        BigInteger p = ((DERInteger) seq.getObjectAt(1)).getValue();
        BigInteger q = ((DERInteger) seq.getObjectAt(2)).getValue();
        BigInteger g = ((DERInteger) seq.getObjectAt(3)).getValue();
        BigInteger y = ((DERInteger) seq.getObjectAt(4)).getValue();
        BigInteger x = ((DERInteger) seq.getObjectAt(5)).getValue();
        PrivateKey priv = fact.generatePrivate(new DSAPrivateKeySpec(x, p, q, g));
        PublicKey pub = fact.generatePublic(new DSAPublicKeySpec(y, p, q, g));
        return new KeyPair(pub, priv);
    } else {/*from w w w.j av  a 2s .  co m*/
        return null;
    }
}

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From source file:org.jruby.ext.openssl.x509store.BouncyCastleASN1FormatHandler.java

License:LGPL

@Override
public PublicKey readDSAPublicKey(String input) throws IOException, GeneralSecurityException {
    KeyFactory fact = KeyFactory.getInstance("RSA");
    DERSequence seq = (DERSequence) (new ASN1InputStream(ByteList.plain(input)).readObject());
    if (seq.size() == 4) {
        BigInteger y = ((DERInteger) seq.getObjectAt(0)).getValue();
        BigInteger p = ((DERInteger) seq.getObjectAt(1)).getValue();
        BigInteger q = ((DERInteger) seq.getObjectAt(2)).getValue();
        BigInteger g = ((DERInteger) seq.getObjectAt(3)).getValue();
        return fact.generatePublic(new DSAPublicKeySpec(y, p, q, g));
    } else {/* ww w.  j a  v a  2  s.  c  om*/
        return null;
    }
}

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From source file:se.inera.intyg.webcert.web.service.signatur.asn1.ASN1UtilImpl.java

License:Open Source License

private String handleDERSequence(String identifier, DERSequence seq) {
    String value = null;//ww  w  .  j a  v  a 2s.  co m
    for (int a = 0; a < seq.size() && value == null; a++) {
        DERObject obj = seq.getObjectAt(a).getDERObject();
        if (obj instanceof ASN1ObjectIdentifier) {
            ASN1ObjectIdentifier objectIdentifier = (ASN1ObjectIdentifier) obj;
            if (objectIdentifier.getId().equals(identifier)) {
                value = seq.getObjectAt(a + 1).toString();
                break;
            }
        } else {
            value = findInCertificate(identifier, obj);
        }
    }
    return value;
}

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