Examples with ASN1InputStream com.android.org.bouncycastle.asn1.ASN1InputStream used on opensource projects

Example 36 with ASN1InputStream

use of com.android.org.bouncycastle.asn1.ASN1InputStream in project nuls by nuls-io.

the class SM2Utils method verifySign.

public static boolean verifySign(byte[] userId, byte[] publicKey, byte[] sourceData, byte[] signData) throws IOException {
    if (publicKey == null || publicKey.length == 0) {
        return false;
    }
    if (sourceData == null || sourceData.length == 0) {
        return false;
    }
    SM2 sm2 = SM2.Instance();
    ECPoint userKey = sm2.ecc_curve.decodePoint(publicKey);
    SM3Digest sm3 = new SM3Digest();
    byte[] z = sm2.sm2GetZ(userId, userKey);
    sm3.update(z, 0, z.length);
    sm3.update(sourceData, 0, sourceData.length);
    byte[] md = new byte[32];
    sm3.doFinal(md, 0);
    ByteArrayInputStream bis = new ByteArrayInputStream(signData);
    ASN1InputStream dis = new ASN1InputStream(bis);
    DERObject derObj = dis.readObject();
    Enumeration<DERInteger> e = ((ASN1Sequence) derObj).getObjects();
    BigInteger r = ((DERInteger) e.nextElement()).getValue();
    BigInteger s = ((DERInteger) e.nextElement()).getValue();
    SM2Result sm2Result = new SM2Result();
    sm2Result.r = r;
    sm2Result.s = s;
    sm2.sm2Verify(md, userKey, sm2Result.r, sm2Result.s, sm2Result);
    return sm2Result.r.equals(sm2Result.R);
}

Example 37 with ASN1InputStream

use of com.android.org.bouncycastle.asn1.ASN1InputStream in project airavata by apache.

the class X509SecurityContext method generateShortLivedCredential.

public KeyAndCertCredential generateShortLivedCredential(String userDN, String caCertPath, String caKeyPath, String caPwd) throws Exception {
    // 15 minutes
    final long CredentialGoodFromOffset = 1000L * 60L * 15L;
    // ago
    final long startTime = System.currentTimeMillis() - CredentialGoodFromOffset;
    final long endTime = startTime + 30 * 3600 * 1000;
    String keyLengthProp = "1024";
    int keyLength = Integer.parseInt(keyLengthProp);
    String signatureAlgorithm = "SHA1withRSA";
    KeyAndCertCredential caCred = getCACredential(caCertPath, caKeyPath, caPwd);
    KeyPairGenerator kpg = KeyPairGenerator.getInstance(caCred.getKey().getAlgorithm());
    kpg.initialize(keyLength);
    KeyPair pair = kpg.generateKeyPair();
    X500Principal subjectDN = new X500Principal(userDN);
    Random rand = new Random();
    SubjectPublicKeyInfo publicKeyInfo;
    try {
        publicKeyInfo = SubjectPublicKeyInfo.getInstance(new ASN1InputStream(pair.getPublic().getEncoded()).readObject());
    } catch (IOException e) {
        throw new InvalidKeyException("Can not parse the public key" + "being included in the short lived certificate", e);
    }
    X500Name issuerX500Name = CertificateHelpers.toX500Name(caCred.getCertificate().getSubjectX500Principal());
    X500Name subjectX500Name = CertificateHelpers.toX500Name(subjectDN);
    X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(issuerX500Name, new BigInteger(20, rand), new Date(startTime), new Date(endTime), subjectX500Name, publicKeyInfo);
    AlgorithmIdentifier sigAlgId = X509v3CertificateBuilder.extractAlgorithmId(caCred.getCertificate());
    X509Certificate certificate = certBuilder.build(caCred.getKey(), sigAlgId, signatureAlgorithm, null, null);
    certificate.checkValidity(new Date());
    certificate.verify(caCred.getCertificate().getPublicKey());
    KeyAndCertCredential result = new KeyAndCertCredential(pair.getPrivate(), new X509Certificate[] { certificate, caCred.getCertificate() });
    return result;
}

Example 38 with ASN1InputStream

use of com.android.org.bouncycastle.asn1.ASN1InputStream in project airavata by apache.

the class X509SecurityContext method generateShortLivedCredential.

public KeyAndCertCredential generateShortLivedCredential(String userDN, String caCertPath, String caKeyPath, String caPwd) throws Exception {
    // 15 minutes
    final long CredentialGoodFromOffset = 1000L * 60L * 15L;
    // ago
    final long startTime = System.currentTimeMillis() - CredentialGoodFromOffset;
    final long endTime = startTime + 30 * 3600 * 1000;
    String keyLengthProp = "1024";
    int keyLength = Integer.parseInt(keyLengthProp);
    String signatureAlgorithm = "SHA1withRSA";
    KeyAndCertCredential caCred = getCACredential(caCertPath, caKeyPath, caPwd);
    KeyPairGenerator kpg = KeyPairGenerator.getInstance(caCred.getKey().getAlgorithm());
    kpg.initialize(keyLength);
    KeyPair pair = kpg.generateKeyPair();
    X500Principal subjectDN = new X500Principal(userDN);
    Random rand = new Random();
    SubjectPublicKeyInfo publicKeyInfo;
    try {
        publicKeyInfo = SubjectPublicKeyInfo.getInstance(new ASN1InputStream(pair.getPublic().getEncoded()).readObject());
    } catch (IOException e) {
        throw new InvalidKeyException("Can not parse the public key" + "being included in the short lived certificate", e);
    }
    X500Name issuerX500Name = CertificateHelpers.toX500Name(caCred.getCertificate().getSubjectX500Principal());
    X500Name subjectX500Name = CertificateHelpers.toX500Name(subjectDN);
    X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(issuerX500Name, new BigInteger(20, rand), new Date(startTime), new Date(endTime), subjectX500Name, publicKeyInfo);
    AlgorithmIdentifier sigAlgId = X509v3CertificateBuilder.extractAlgorithmId(caCred.getCertificate());
    X509Certificate certificate = certBuilder.build(caCred.getKey(), sigAlgId, signatureAlgorithm, null, null);
    certificate.checkValidity(new Date());
    certificate.verify(caCred.getCertificate().getPublicKey());
    KeyAndCertCredential result = new KeyAndCertCredential(pair.getPrivate(), new X509Certificate[] { certificate, caCred.getCertificate() });
    return result;
}

Example 39 with ASN1InputStream

use of com.android.org.bouncycastle.asn1.ASN1InputStream in project android_packages_apps_Settings by DirtyUnicorns.

the class CredentialStorage method isHardwareBackedKey.

private boolean isHardwareBackedKey(byte[] keyData) {
    try {
        ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(keyData));
        PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
        String algOid = pki.getAlgorithmId().getAlgorithm().getId();
        String algName = new AlgorithmId(new ObjectIdentifier(algOid)).getName();
        return KeyChain.isBoundKeyAlgorithm(algName);
    } catch (IOException e) {
        Log.e(TAG, "Failed to parse key data");
        return false;
    }
}

Example 40 with ASN1InputStream

use of com.android.org.bouncycastle.asn1.ASN1InputStream in project android_packages_apps_Settings by DirtyUnicorns.

the class CertInstallerHelper method isCa.

private boolean isCa(X509Certificate cert) {
    try {
        byte[] asn1EncodedBytes = cert.getExtensionValue("2.5.29.19");
        if (asn1EncodedBytes == null) {
            return false;
        }
        DEROctetString derOctetString = (DEROctetString) new ASN1InputStream(asn1EncodedBytes).readObject();
        byte[] octets = derOctetString.getOctets();
        ASN1Sequence sequence = (ASN1Sequence) new ASN1InputStream(octets).readObject();
        return BasicConstraints.getInstance(sequence).isCA();
    } catch (IOException e) {
        return false;
    }
}