Examples with ASN1Sequence com.android.org.bouncycastle.asn1.ASN1Sequence used on opensource projects

Example 81 with ASN1Sequence

use of com.android.org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PKey method readRSAPrivateKey.

public static KeyPair readRSAPrivateKey(final KeyFactory rsaFactory, final byte[] input) throws IOException, InvalidKeySpecException {
    ASN1Sequence seq = (ASN1Sequence) new ASN1InputStream(input).readObject();
    if (seq.size() == 9) {
        BigInteger mod = ((ASN1Integer) seq.getObjectAt(1)).getValue();
        BigInteger pubexp = ((ASN1Integer) seq.getObjectAt(2)).getValue();
        BigInteger privexp = ((ASN1Integer) seq.getObjectAt(3)).getValue();
        BigInteger primep = ((ASN1Integer) seq.getObjectAt(4)).getValue();
        BigInteger primeq = ((ASN1Integer) seq.getObjectAt(5)).getValue();
        BigInteger primeep = ((ASN1Integer) seq.getObjectAt(6)).getValue();
        BigInteger primeeq = ((ASN1Integer) seq.getObjectAt(7)).getValue();
        BigInteger crtcoeff = ((ASN1Integer) seq.getObjectAt(8)).getValue();
        PrivateKey priv = rsaFactory.generatePrivate(new RSAPrivateCrtKeySpec(mod, pubexp, privexp, primep, primeq, primeep, primeeq, crtcoeff));
        PublicKey pub = rsaFactory.generatePublic(new RSAPublicKeySpec(mod, pubexp));
        return new KeyPair(pub, priv);
    }
    return null;
}

Example 82 with ASN1Sequence

use of com.android.org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PKey method readRSAPublicKey.

public static PublicKey readRSAPublicKey(final KeyFactory rsaFactory, final byte[] input) throws IOException, InvalidKeySpecException {
    ASN1Sequence seq = (ASN1Sequence) new ASN1InputStream(input).readObject();
    if (seq.size() == 2) {
        BigInteger mod = ((ASN1Integer) seq.getObjectAt(0)).getValue();
        BigInteger pubexp = ((ASN1Integer) seq.getObjectAt(1)).getValue();
        return rsaFactory.generatePublic(new RSAPublicKeySpec(mod, pubexp));
    }
    return null;
}

Example 83 with ASN1Sequence

use of com.android.org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class PKey method readPrivateKey.

public static KeyPair readPrivateKey(final byte[] input, final String type) throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
    KeySpec pubSpec;
    KeySpec privSpec;
    ASN1Sequence seq = (ASN1Sequence) new ASN1InputStream(input).readObject();
    if (type.equals("RSA")) {
        ASN1Integer mod = (ASN1Integer) seq.getObjectAt(1);
        ASN1Integer pubExp = (ASN1Integer) seq.getObjectAt(2);
        ASN1Integer privExp = (ASN1Integer) seq.getObjectAt(3);
        ASN1Integer p1 = (ASN1Integer) seq.getObjectAt(4);
        ASN1Integer p2 = (ASN1Integer) seq.getObjectAt(5);
        ASN1Integer exp1 = (ASN1Integer) seq.getObjectAt(6);
        ASN1Integer exp2 = (ASN1Integer) seq.getObjectAt(7);
        ASN1Integer crtCoef = (ASN1Integer) seq.getObjectAt(8);
        pubSpec = new RSAPublicKeySpec(mod.getValue(), pubExp.getValue());
        privSpec = new RSAPrivateCrtKeySpec(mod.getValue(), pubExp.getValue(), privExp.getValue(), p1.getValue(), p2.getValue(), exp1.getValue(), exp2.getValue(), crtCoef.getValue());
    } else if (type.equals("DSA")) {
        ASN1Integer p = (ASN1Integer) seq.getObjectAt(1);
        ASN1Integer q = (ASN1Integer) seq.getObjectAt(2);
        ASN1Integer g = (ASN1Integer) seq.getObjectAt(3);
        ASN1Integer y = (ASN1Integer) seq.getObjectAt(4);
        ASN1Integer x = (ASN1Integer) seq.getObjectAt(5);
        privSpec = new DSAPrivateKeySpec(x.getValue(), p.getValue(), q.getValue(), g.getValue());
        pubSpec = new DSAPublicKeySpec(y.getValue(), p.getValue(), q.getValue(), g.getValue());
    } else if (type.equals("ECDSA")) {
        return readECPrivateKey(input);
    } else {
        throw new IllegalStateException("unsupported type: " + type);
    }
    KeyFactory fact = SecurityHelper.getKeyFactory(type);
    return new KeyPair(fact.generatePublic(pubSpec), fact.generatePrivate(privSpec));
}

Example 84 with ASN1Sequence

use of com.android.org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class RecipInfo method fromASN1.

/**
 * RecipientInfo ::= SEQUENCE {
 *   version Version,
 *   issuerAndSerialNumber IssuerAndSerialNumber,
 *   keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
 *   encryptedKey EncryptedKey }
 *
 * EncryptedKey ::= OCTET STRING
 */
public static RecipInfo fromASN1(ASN1Encodable content) {
    ASN1Sequence sequence = (ASN1Sequence) content;
    RecipInfo ri = new RecipInfo();
    ri.setVersion(((ASN1Integer) sequence.getObjectAt(0)).getValue().intValue());
    ri.setIssuerAndSerial(IssuerAndSerialNumber.getInstance(sequence.getObjectAt(1)));
    ri.setKeyEncAlgor(AlgorithmIdentifier.getInstance(sequence.getObjectAt(2)));
    ri.setEncKey((ASN1OctetString) sequence.getObjectAt(3));
    return ri;
}

Example 85 with ASN1Sequence

use of com.android.org.bouncycastle.asn1.ASN1Sequence in project jruby-openssl by jruby.

the class Signed method fromASN1.

/**
 * SignedData ::= SEQUENCE {
 *   version Version,
 *   digestAlgorithms DigestAlgorithmIdentifiers,
 *   contentInfo ContentInfo,
 *   certificates [0] IMPLICIT ExtendedCertificatesAndCertificates OPTIONAL,
 *   crls [1] IMPLICIT CertificateRevocationLists OPTIONAL,
 *   signerInfos SignerInfos }
 *
 * Version ::= INTEGER
 *
 * DigestAlgorithmIdentifiers ::= SET OF DigestAlgorithmIdentifier
 *
 * SignerInfos ::= SET OF SignerInfo
 */
public static Signed fromASN1(ASN1Encodable content) throws PKCS7Exception {
    ASN1Sequence sequence = (ASN1Sequence) content;
    ASN1Integer version = (ASN1Integer) sequence.getObjectAt(0);
    ASN1Set digestAlgos = (ASN1Set) sequence.getObjectAt(1);
    ASN1Encodable contentInfo = sequence.getObjectAt(2);
    ASN1Encodable certificates = null;
    ASN1Encodable crls = null;
    int index = 3;
    ASN1Encodable tmp = sequence.getObjectAt(index);
    if ((tmp instanceof ASN1TaggedObject) && ((ASN1TaggedObject) tmp).getTagNo() == 0) {
        certificates = ((ASN1TaggedObject) tmp).getObject();
        index++;
    }
    tmp = sequence.getObjectAt(index);
    if ((tmp instanceof ASN1TaggedObject) && ((ASN1TaggedObject) tmp).getTagNo() == 1) {
        crls = ((ASN1TaggedObject) tmp).getObject();
        index++;
    }
    ASN1Set signerInfos = (ASN1Set) sequence.getObjectAt(index);
    Signed signed = new Signed();
    signed.setVersion(version.getValue().intValue());
    signed.setMdAlgs(algorithmIdentifiersFromASN1Set(digestAlgos));
    signed.setContents(PKCS7.fromASN1(contentInfo));
    if (certificates != null) {
        signed.setCert(certificatesFromASN1Set(certificates));
    }
    if (crls != null) {
        throw new RuntimeException("TODO: implement CRL part");
    }
    signed.setSignerInfo(signerInfosFromASN1Set(signerInfos));
    return signed;
}