Example usage for org.bouncycastle.openssl PEMParser PEMParser

Introduction

In this page you can find the example usage for org.bouncycastle.openssl PEMParser PEMParser.

Prototype

public PEMParser(Reader reader)

Source Link

Document

Create a new PEMReader

Usage

From source file:uk.ac.cam.gpe21.droidssl.mitm.crypto.cert.CertificateUtils.java

License:Apache License

public static X509Certificate readCertificate(Reader reader) throws IOException {
    // TODO share with CertificateAuthority's own implementation
    try (PEMParser parser = new PEMParser(reader)) {
        Object object = parser.readObject();
        if (!(object instanceof X509CertificateHolder))
            throw new IOException("File does not contain a certificate");

        X509CertificateHolder certificate = (X509CertificateHolder) object;
        return new JcaX509CertificateConverter().getCertificate(certificate);
    } catch (CertificateException ex) {
        throw new IOException(ex);
    }//from  w w  w  .j a v a  2  s  .  c  o  m
}

From source file:uk.ac.cam.gpe21.droidssl.mitm.crypto.key.KeyUtils.java

License:Apache License

public static PrivateKey readPrivateKey(Reader reader) throws IOException {
    try (PEMParser parser = new PEMParser(reader)) {
        Object object = parser.readObject();
        if (!(object instanceof PEMKeyPair))
            throw new IOException("File does not contain a key");

        PEMKeyPair pair = (PEMKeyPair) object;

        // TODO merge messy conversion logic with that below */
        AsymmetricKeyParameter privateKey = PrivateKeyFactory.createKey(pair.getPrivateKeyInfo());
        PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.createPrivateKeyInfo(privateKey);
        KeyFactory keyFactory = new DefaultJcaJceHelper().createKeyFactory("RSA"); // TODO should we really assume RSA?
        return keyFactory.generatePrivate(new PKCS8EncodedKeySpec(privateKeyInfo.getEncoded()));
    } catch (NoSuchAlgorithmException | InvalidKeySpecException ex) {
        throw new IOException(ex);
    }/*from w ww.ja v a  2  s .  c  o m*/
}

From source file:uk.co.develop4.security.utils.decoders.DecoderUtils.java

License:Apache License

private static KeyPair getKeyPairFromOpenSslPemFile(String fileName, String passphrase, String providerName)
        throws IOException {
    Reader fRd = null;/*from w w w . ja v  a  2s. c  o m*/
    PEMParser pemParser = null;
    KeyPair keypair = null;
    try {
        JcaPEMKeyConverter converter = new JcaPEMKeyConverter().setProvider(providerName);
        PEMDecryptorProvider pemProv = new JcePEMDecryptorProviderBuilder().setProvider(providerName)
                .build(passphrase.toCharArray());
        InputDecryptorProvider pkcs8Prov = new JceOpenSSLPKCS8DecryptorProviderBuilder()
                .build(passphrase.toCharArray());
        //res = this.getClass().getResourceAsStream(fileName);
        File file = DecoderUtils.isFile(fileName);
        FileReader fr = new FileReader(file);
        fRd = new BufferedReader(fr);
        pemParser = new PEMParser(fRd);
        Object obj = pemParser.readObject();

        if (obj instanceof PEMEncryptedKeyPair) {
            keypair = converter.getKeyPair(((PEMEncryptedKeyPair) obj).decryptKeyPair(pemProv));
        } else if (obj instanceof PKCS8EncryptedPrivateKeyInfo) {
            keypair = new KeyPair(null, converter
                    .getPrivateKey(((PKCS8EncryptedPrivateKeyInfo) obj).decryptPrivateKeyInfo(pkcs8Prov)));
        } else if (obj instanceof SubjectPublicKeyInfo) {
            keypair = new KeyPair((PublicKey) converter.getPublicKey((SubjectPublicKeyInfo) obj), null);
        } else if (obj instanceof X509CertificateHolder) {
            SubjectPublicKeyInfo sub = (SubjectPublicKeyInfo) ((X509CertificateHolder) obj)
                    .getSubjectPublicKeyInfo();
            keypair = new KeyPair((PublicKey) converter.getPublicKey((SubjectPublicKeyInfo) sub), null);
        } else {
            keypair = converter.getKeyPair((PEMKeyPair) obj);
        }
    } catch (Exception ex) {
        ex.printStackTrace();
    } finally {
        pemParser.close();
    }
    return keypair;
}