Examples with RSAPublicKey java.security.interfaces.RSAPublicKey used on opensource projects

Example 86 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project tomee by apache.

the class JWTAuthContextInfoProvider method getOptionalContextInfo.

@Produces
Optional<JWTAuthConfiguration> getOptionalContextInfo() throws NoSuchAlgorithmException, InvalidKeySpecException {
    final String pemEncoded = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlivFI8qB4D0y2jy0CfEq" + "Fyy46R0o7S8TKpsx5xbHKoU1VWg6QkQm+ntyIv1p4kE1sPEQO73+HY8+Bzs75XwR" + "TYL1BmR1w8J5hmjVWjc6R2BTBGAYRPFRhor3kpM6ni2SPmNNhurEAHw7TaqszP5e" + "UF/F9+KEBWkwVta+PZ37bwqSE4sCb1soZFrVz/UT/LF4tYpuVYt3YbqToZ3pZOZ9" + "AX2o1GCG3xwOjkc4x0W7ezbQZdC9iftPxVHR8irOijJRRjcPDtA6vPKpzLl6CyYn" + "sIYPd99ltwxTHjr3npfv/3Lw50bAkbT4HeLFxTx4flEoZLKO/g0bAoV2uqBhkA9x" + "nQIDAQAB";
    byte[] encodedBytes = Base64.getDecoder().decode(pemEncoded);
    final X509EncodedKeySpec spec = new X509EncodedKeySpec(encodedBytes);
    final KeyFactory kf = KeyFactory.getInstance("RSA");
    final RSAPublicKey pk = (RSAPublicKey) kf.generatePublic(spec);
    return Optional.of(JWTAuthConfiguration.authConfiguration(pk, "https://server.example.com", false));
}

Example 87 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project carat by amplab.

the class SamplingLibrary method getSignatures.

public static List<String> getSignatures(PackageInfo pak) {
    List<String> sigList = new LinkedList<String>();
    String[] pmInfos = pak.requestedPermissions;
    if (pmInfos != null) {
        byte[] bytes = getPermissionBytes(pmInfos);
        String hexB = convertToHex(bytes);
        sigList.add(hexB);
    }
    Signature[] sigs = pak.signatures;
    for (Signature s : sigs) {
        MessageDigest md = null;
        try {
            md = MessageDigest.getInstance("SHA-1");
            md.update(s.toByteArray());
            byte[] dig = md.digest();
            // Add SHA-1
            sigList.add(convertToHex(dig));
            CertificateFactory fac = CertificateFactory.getInstance("X.509");
            if (fac == null)
                continue;
            X509Certificate cert = (X509Certificate) fac.generateCertificate(new ByteArrayInputStream(s.toByteArray()));
            if (cert == null)
                continue;
            PublicKey pkPublic = cert.getPublicKey();
            if (pkPublic == null)
                continue;
            String al = pkPublic.getAlgorithm();
            if (al.equals("RSA")) {
                md = MessageDigest.getInstance("SHA-256");
                RSAPublicKey rsa = (RSAPublicKey) pkPublic;
                byte[] data = rsa.getModulus().toByteArray();
                if (data[0] == 0) {
                    byte[] copy = new byte[data.length - 1];
                    System.arraycopy(data, 1, copy, 0, data.length - 1);
                    md.update(copy);
                } else
                    md.update(data);
                dig = md.digest();
                // Add SHA-256 of modulus
                sigList.add(convertToHex(dig));
            } else if (al.equals("DSA")) {
                DSAPublicKey dsa = (DSAPublicKey) pkPublic;
                md = MessageDigest.getInstance("SHA-256");
                byte[] data = dsa.getY().toByteArray();
                if (data[0] == 0) {
                    byte[] copy = new byte[data.length - 1];
                    System.arraycopy(data, 1, copy, 0, data.length - 1);
                    md.update(copy);
                } else
                    md.update(data);
                dig = md.digest();
                // Add SHA-256 of public key (DSA)
                sigList.add(convertToHex(dig));
            } else {
                Log.e("SamplingLibrary", "Weird algorithm: " + al + " for " + pak.packageName);
            }
        } catch (NoSuchAlgorithmException e) {
        // Do nothing
        } catch (CertificateException e) {
        // Do nothing
        }
    }
    return sigList;
}

Example 88 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project gerrit by GerritCodeReview.

the class SshUtil method toOpenSshPublicKey.

/**
 * Convert an RFC 4716 style key to an OpenSSH style key.
 *
 * @param keyStr the key string to convert.
 * @return {@code keyStr} if conversion failed; otherwise the converted key, in OpenSSH key
 *     format.
 */
public static String toOpenSshPublicKey(String keyStr) {
    try {
        final StringBuilder strBuf = new StringBuilder();
        final BufferedReader br = new BufferedReader(new StringReader(keyStr));
        // BEGIN SSH2 line...
        String line = br.readLine();
        if (line == null || !line.equals("---- BEGIN SSH2 PUBLIC KEY ----")) {
            return keyStr;
        }
        while ((line = br.readLine()) != null) {
            if (line.indexOf(':') == -1) {
                strBuf.append(line);
                break;
            }
        }
        while ((line = br.readLine()) != null) {
            if (line.startsWith("---- ")) {
                break;
            }
            strBuf.append(line);
        }
        final PublicKey key = new ByteArrayBuffer(BaseEncoding.base64().decode(strBuf.toString())).getRawPublicKey();
        if (key instanceof RSAPublicKey) {
            strBuf.insert(0, KeyPairProvider.SSH_RSA + " ");
        } else if (key instanceof DSAPublicKey) {
            strBuf.insert(0, KeyPairProvider.SSH_DSS + " ");
        } else {
            return keyStr;
        }
        strBuf.append(' ');
        strBuf.append("converted-key");
        return strBuf.toString();
    } catch (IOException | RuntimeException e) {
        return keyStr;
    }
}

Example 89 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project tech by ffyyhh995511.

the class RASUtil method initKey.

/**
 * 初始化
 * @return
 * @throws Exception
 */
public static Map<String, Object> initKey() throws Exception {
    // 获得对象 KeyPairGenerator 参数 RSA 1024个字节
    KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance(KEY_ALGORITHM);
    keyPairGen.initialize(1024);
    // 通过对象 KeyPairGenerator 获取对象KeyPair
    KeyPair keyPair = keyPairGen.generateKeyPair();
    // 通过对象 KeyPair 获取RSA公私钥对象RSAPublicKey RSAPrivateKey
    RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
    // 公私钥对象存入map中
    Map<String, Object> keyMap = new HashMap<String, Object>(2);
    keyMap.put(PUBLIC_KEY, publicKey);
    keyMap.put(PRIVATE_KEY, privateKey);
    return keyMap;
}

Example 90 with RSAPublicKey

use of java.security.interfaces.RSAPublicKey in project tech by ffyyhh995511.

the class RASUtil method loadPublicKeyByStr.

/**
 * 公钥字符串转换为公钥对象
 * @param publicKeyStr
 * @return
 * @throws Exception
 */
public static RSAPublicKey loadPublicKeyByStr(String publicKeyStr) throws Exception {
    try {
        byte[] buffer = decryptBASE64(publicKeyStr);
        KeyFactory keyFactory = KeyFactory.getInstance("RSA");
        X509EncodedKeySpec keySpec = new X509EncodedKeySpec(buffer);
        return (RSAPublicKey) keyFactory.generatePublic(keySpec);
    } catch (NoSuchAlgorithmException e) {
        throw new Exception("无此算法");
    } catch (InvalidKeySpecException e) {
        throw new Exception("公钥非法");
    } catch (NullPointerException e) {
        throw new Exception("公钥数据为空");
    }
}