Examples with PrivateKeyInfo com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo used on opensource projects

Example 56 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project overthere by xebialabs.

the class BouncycastleGenerateSshKey method generate.

@Override
public SshKeyPair generate(final String username, int keySize) {
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(keySize);
        java.security.KeyPair key = keyGen.generateKeyPair();
        PrivateKey priv = key.getPrivate();
        PublicKey pub = key.getPublic();
        String privateKey = new String(Base64.encode(priv.getEncoded(), 0, priv.getEncoded().length));
        String publicKey1 = new String(Base64.encode(pub.getEncoded(), 0, pub.getEncoded().length));
        String publicKey = new String(Base64.encode(publicKey1.getBytes(), 0, publicKey1.getBytes().length));
        RSAKeyPairGenerator rsaKeyPairGenerator = new RSAKeyPairGenerator();
        rsaKeyPairGenerator.init(new RSAKeyGenerationParameters(BigInteger.valueOf(0x10001), CryptoServicesRegistrar.getSecureRandom(), keySize, PrimeCertaintyCalculator.getDefaultCertainty(keySize)));
        AsymmetricCipherKeyPair asymmetricCipherKeyPair = rsaKeyPairGenerator.generateKeyPair();
        PrivateKeyInfo pkInfo = PrivateKeyInfoFactory.createPrivateKeyInfo(asymmetricCipherKeyPair.getPrivate());
        SubjectPublicKeyInfo info = SubjectPublicKeyInfoFactory.createSubjectPublicKeyInfo(asymmetricCipherKeyPair.getPublic());
        return new SshKeyPair(username, privateKey, publicKey, "");
    } catch (Exception e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
}

Example 57 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project jmulticard by ctt-gob-es.

the class BCMcElieceCCA2PrivateKey method getEncoded.

/**
 * Return the keyData to encode in the SubjectPublicKeyInfo structure.
 * <p>
 * The ASN.1 definition of the key structure is
 * <pre>
 *   McEliecePrivateKey ::= SEQUENCE {
 *     m             INTEGER                  -- extension degree of the field
 *     k             INTEGER                  -- dimension of the code
 *     field         OCTET STRING             -- field polynomial
 *     goppaPoly     OCTET STRING             -- irreducible Goppa polynomial
 *     p             OCTET STRING             -- permutation vector
 *     matrixH       OCTET STRING             -- canonical check matrix
 *     sqRootMatrix  SEQUENCE OF OCTET STRING -- square root matrix
 *   }
 * </pre>
 * @return the keyData to encode in the SubjectPublicKeyInfo structure
 */
public byte[] getEncoded() {
    PrivateKeyInfo pki;
    try {
        McElieceCCA2PrivateKey privateKey = new McElieceCCA2PrivateKey(getN(), getK(), getField(), getGoppaPoly(), getP(), MessageDigestUtils.getDigestAlgID(params.getDigest()));
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.mcElieceCca2);
        pki = new PrivateKeyInfo(algorithmIdentifier, privateKey);
        return pki.getEncoded();
    } catch (IOException e) {
        return null;
    }
}

Example 58 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project jmulticard by ctt-gob-es.

the class BCMcEliecePrivateKey method getEncoded.

/**
 * Return the key data to encode in the SubjectPublicKeyInfo structure.
 * <p>
 * The ASN.1 definition of the key structure is
 * </p>
 * <pre>
 *   McEliecePrivateKey ::= SEQUENCE {
 *     n          INTEGER                   -- length of the code
 *     k          INTEGER                   -- dimension of the code
 *     fieldPoly  OCTET STRING              -- field polynomial defining GF(2&circ;m)
 *     getGoppaPoly()  OCTET STRING              -- irreducible Goppa polynomial
 *     sInv       OCTET STRING              -- matrix S&circ;-1
 *     p1         OCTET STRING              -- permutation P1
 *     p2         OCTET STRING              -- permutation P2
 *     h          OCTET STRING              -- canonical check matrix
 *     qInv       SEQUENCE OF OCTET STRING  -- matrix used to compute square roots
 *   }
 * </pre>
 *
 * @return the key data to encode in the SubjectPublicKeyInfo structure
 */
public byte[] getEncoded() {
    McEliecePrivateKey privateKey = new McEliecePrivateKey(params.getN(), params.getK(), params.getField(), params.getGoppaPoly(), params.getP1(), params.getP2(), params.getSInv());
    PrivateKeyInfo pki;
    try {
        AlgorithmIdentifier algorithmIdentifier = new AlgorithmIdentifier(PQCObjectIdentifiers.mcEliece);
        pki = new PrivateKeyInfo(algorithmIdentifier, privateKey);
    } catch (IOException e) {
        return null;
    }
    try {
        byte[] encoded = pki.getEncoded();
        return encoded;
    } catch (IOException e) {
        return null;
    }
}

Example 59 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project jmulticard by ctt-gob-es.

the class McElieceCCA2KeyFactorySpi method engineGeneratePrivate.

/**
 * Converts, if possible, a key specification into a
 * {@link BCMcElieceCCA2PrivateKey}. Currently, the following key
 * specifications are supported:
 * {@link PKCS8EncodedKeySpec}.
 *
 * @param keySpec the key specification
 * @return the McEliece CCA2 private key
 * @throws InvalidKeySpecException if the KeySpec is not supported.
 */
protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {
    if (keySpec instanceof PKCS8EncodedKeySpec) {
        // get the DER-encoded Key according to PKCS#8 from the spec
        byte[] encKey = ((PKCS8EncodedKeySpec) keySpec).getEncoded();
        // decode the PKCS#8 data structure to the pki object
        PrivateKeyInfo pki;
        try {
            pki = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(encKey));
        } catch (IOException e) {
            throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec: " + e);
        }
        try {
            if (PQCObjectIdentifiers.mcElieceCca2.equals(pki.getPrivateKeyAlgorithm().getAlgorithm())) {
                McElieceCCA2PrivateKey key = McElieceCCA2PrivateKey.getInstance(pki.parsePrivateKey());
                return new BCMcElieceCCA2PrivateKey(new McElieceCCA2PrivateKeyParameters(key.getN(), key.getK(), key.getField(), key.getGoppaPoly(), key.getP(), Utils.getDigest(key.getDigest()).getAlgorithmName()));
            } else {
                throw new InvalidKeySpecException("Unable to recognise OID in McEliece public key");
            }
        } catch (IOException cce) {
            throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec.");
        }
    }
    throw new InvalidKeySpecException("Unsupported key specification: " + keySpec.getClass() + ".");
}

Example 60 with PrivateKeyInfo

use of com.github.zhenwei.core.asn1.pkcs.PrivateKeyInfo in project jmulticard by ctt-gob-es.

the class McElieceKeyFactorySpi method engineGeneratePrivate.

/**
 * Converts, if possible, a key specification into a
 * {@link BCMcEliecePrivateKey}.
 *
 * @param keySpec the key specification
 * @return the McEliece private key
 * @throws InvalidKeySpecException if the KeySpec is not supported.
 */
protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {
    if (keySpec instanceof PKCS8EncodedKeySpec) {
        // get the DER-encoded Key according to PKCS#8 from the spec
        byte[] encKey = ((PKCS8EncodedKeySpec) keySpec).getEncoded();
        // decode the PKCS#8 data structure to the pki object
        PrivateKeyInfo pki;
        try {
            pki = PrivateKeyInfo.getInstance(ASN1Primitive.fromByteArray(encKey));
        } catch (IOException e) {
            throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec: " + e);
        }
        try {
            if (PQCObjectIdentifiers.mcEliece.equals(pki.getPrivateKeyAlgorithm().getAlgorithm())) {
                McEliecePrivateKey key = McEliecePrivateKey.getInstance(pki.parsePrivateKey());
                return new BCMcEliecePrivateKey(new McEliecePrivateKeyParameters(key.getN(), key.getK(), key.getField(), key.getGoppaPoly(), key.getP1(), key.getP2(), key.getSInv()));
            } else {
                throw new InvalidKeySpecException("Unable to recognise OID in McEliece private key");
            }
        } catch (IOException cce) {
            throw new InvalidKeySpecException("Unable to decode PKCS8EncodedKeySpec.");
        }
    }
    throw new InvalidKeySpecException("Unsupported key specification: " + keySpec.getClass() + ".");
}