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Diffstat (limited to 'keystore/java/android/security/CertTool.java')
| -rw-r--r-- | keystore/java/android/security/CertTool.java | 357 |
1 files changed, 0 insertions, 357 deletions
diff --git a/keystore/java/android/security/CertTool.java b/keystore/java/android/security/CertTool.java deleted file mode 100644 index 88d6e3d..0000000 --- a/keystore/java/android/security/CertTool.java +++ /dev/null @@ -1,357 +0,0 @@ -/* - * Copyright (C) 2009 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package android.security; - -import android.content.Context; -import android.content.Intent; -import android.security.Keystore; -import android.text.TextUtils; -import android.util.Log; - -import java.io.ByteArrayInputStream; -import java.io.IOException; -import java.security.cert.Certificate; -import java.security.cert.CertificateException; -import java.security.KeyStoreException; -import java.security.NoSuchAlgorithmException; -import java.security.UnrecoverableKeyException; -import java.util.ArrayList; - -/** - * The CertTool class provides the functions to list the certs/keys, - * generate the certificate request(csr) and store certificates into - * keystore. - * - * {@hide} - */ -public class CertTool { - static { - System.loadLibrary("certtool_jni"); - } - - /** Keystore namespace for CA certificates. */ - public static final String CA_CERTIFICATE = "CACERT"; - - /** Keystore namespace for user certificates. */ - public static final String USER_CERTIFICATE = "USRCERT"; - - /** Keystore namespace for user private keys. */ - public static final String USER_KEY = "USRKEY"; - - /** Action string for adding certificates to keystore. */ - public static final String ACTION_ADD_CREDENTIAL = - "android.security.ADD_CREDENTIAL"; - - /** Action string for installing certificates to keystore from sdcard. */ - public static final String ACTION_INSTALL_CERT_FROM_SDCARD = - "android.security.INSTALL_CERT_FROM_SDCARD"; - - /** Dialog title for adding a CA certificate. */ - public static final String TITLE_CA_CERT = "CA Certificate"; - - /** Dialog title for adding a user certificate. */ - public static final String TITLE_USER_CERT = "User Certificate"; - - /** Dialog title for adding a user private key. */ - public static final String TITLE_PRIVATE_KEY = "Private Key"; - - /** Dialog title for adding a PKCS12 keystore. */ - public static final String TITLE_PKCS12_KEYSTORE = "PKCS12 Keystore"; - - public static final int INCORRECT_PKCS12_PASSPHRASE = -100; - - /** - * The builder class for building an add-credential-to-keystore intent. - */ - public static class AddCredentialIntentBuilder { - private Intent mIntent; - private int mCount; - - /** - * Creates a builder to build a add-credential-to-keystore intent. - * - * @param title title of the dialog for adding this credential - * @param descriptions description strings to show on the dialog - */ - public AddCredentialIntentBuilder(String title, - String... descriptions) { - Intent intent = new Intent(ACTION_ADD_CREDENTIAL); - intent.putExtra(KEY_TITLE, title); - - int i = 0; - for (String description : descriptions) { - intent.putExtra(KEY_DESCRIPTION + (i++), description); - } - mIntent = intent; - } - - /** - * Adds credential data to the intent. - * - * @param namespace the namespace of the keystore to add the credential - * data to - * @param data the credential data - * @return this builder - */ - public AddCredentialIntentBuilder addCredential(String namespace, - byte[] data) { - mIntent.putExtra(KEY_NAMESPACE + mCount, namespace); - mIntent.putExtra(KEY_ITEM + mCount, data); - mCount++; - return this; - } - - /** Returns the intent. */ - public Intent build() { - return mIntent; - } - } - - /** - * Request for adding credential data to keystore. - */ - public static class AddCredentialRequest { - private Intent mIntent; - - /** - * Creates an add-credential-data-to-keystore request. - * - * @param intent an add-credential-data-to-keystore intent - * @see AddCredentialIntentBuilder - */ - public AddCredentialRequest(Intent intent) { - mIntent = intent; - } - - /** Returns the dialog title. */ - public String getTitle() { - return mIntent.getStringExtra(KEY_TITLE); - } - - /** - * Returns the i'th credential data. - * @return the data or null if not exists - */ - public byte[] getDataAt(int i) { - return mIntent.getByteArrayExtra(KEY_ITEM + i); - } - - /** - * Returns the namespace of the i'th credential data. - * @return the namespace string or null if missing - */ - public String getNamespaceAt(int i) { - return mIntent.getStringExtra(KEY_NAMESPACE + i); - } - - /** Returns the descriptions of the credential data. */ - public String[] getDescriptions() { - ArrayList<String> list = new ArrayList<String>(); - for (int i = 0; ; i++) { - String s = mIntent.getStringExtra(KEY_DESCRIPTION + i); - if (s == null) break; - list.add(s); - } - return list.toArray(new String[list.size()]); - } - } - - private static final String KEY_TITLE = "typeName"; - private static final String KEY_ITEM = "item"; - private static final String KEY_NAMESPACE = "namespace"; - private static final String KEY_DESCRIPTION = "description"; - - private static final String TAG = "CertTool"; - private static final String UNKNOWN = "Unknown"; - private static final String ISSUER_NAME = "Issuer Name:"; - private static final String DISTINCT_NAME = "Distinct Name:"; - - private static final String KEYNAME_DELIMITER = "_"; - private static final Keystore sKeystore = Keystore.getInstance(); - - private native int getPkcs12Handle(byte[] data, String password); - private native String getPkcs12Certificate(int handle); - private native String getPkcs12PrivateKey(int handle); - private native String popPkcs12CertificateStack(int handle); - private native void freePkcs12Handle(int handle); - private native String generateCertificateRequest(int bits, String challenge); - private native boolean isPkcs12Keystore(byte[] data); - private native int generateX509Certificate(byte[] data); - private native boolean isCaCertificate(int handle); - private native String getIssuerDN(int handle); - private native String getCertificateDN(int handle); - private native String getPrivateKeyPEM(int handle); - private native void freeX509Certificate(int handle); - - private static CertTool sSingleton = null; - - private CertTool() { } - - public static final CertTool getInstance() { - if (sSingleton == null) { - sSingleton = new CertTool(); - } - return sSingleton; - } - - /** - * Gets the full key to retrieve the user private key from the keystore. - * @see #getAllUserCertificateKeys() - */ - public String getUserPrivateKey(String key) { - return USER_KEY + KEYNAME_DELIMITER + key; - } - - /** - * Gets the full key to retrieve the user certificate from the keystore. - * @see #getAllUserCertificateKeys() - */ - public String getUserCertificate(String key) { - return USER_CERTIFICATE + KEYNAME_DELIMITER + key; - } - - /** - * Gets the full key to retrieve the CA certificate from the keystore. - * @see #getAllCaCertificateKeys() - */ - public String getCaCertificate(String key) { - return CA_CERTIFICATE + KEYNAME_DELIMITER + key; - } - - /** - * Gets all the keys to the user certificates/private keys stored in the - * keystore. - * @see #getUserCertificate(String) - * @see #getUserPrivateKey(String) - */ - public String[] getAllUserCertificateKeys() { - return sKeystore.listKeys(USER_KEY); - } - - /** - * Gets all the keys to the CA certificates stored in the keystore. - * @see #getCaCertificate(String) - */ - public String[] getAllCaCertificateKeys() { - return sKeystore.listKeys(CA_CERTIFICATE); - } - - public String[] getSupportedKeyStrenghs() { - return new String[] {"High Grade", "Medium Grade"}; - } - - private int getKeyLength(int index) { - if (index == 0) return 2048; - return 1024; - } - - /** - * Generates a key pair. - * - * @param keyStrengthIndex index to the array of supported key strengths; - * see {@link #getSupportedKeyStrenghs()} - * @param challenge the challenge string for generating the pair - * @param dirName (not used) - * @return a certificate request from the resulted public key - */ - public String generateKeyPair(int keyStrengthIndex, String challenge, - String dirName) { - return generateCertificateRequest(getKeyLength(keyStrengthIndex), - challenge); - } - - private int extractAndStoreKeysFromPkcs12(int handle, String keyname) { - int ret, i = 0; - String pemData; - - if ((pemData = getPkcs12Certificate(handle)) != null) { - if ((ret = sKeystore.put(USER_CERTIFICATE, keyname, pemData)) != 0) { - return ret; - } - } - if ((pemData = getPkcs12PrivateKey(handle)) != null) { - if ((ret = sKeystore.put(USER_KEY, keyname, pemData)) != 0) { - return ret; - } - } - if ((pemData = this.popPkcs12CertificateStack(handle)) != null) { - if ((ret = sKeystore.put(CA_CERTIFICATE, keyname, pemData)) != 0) { - return ret; - } - } - return 0; - } - - /** Adds a PKCS12 keystore to the keystore. */ - public int addPkcs12Keystore(byte[] p12Data, String password, - String keyname) { - int handle, ret; - Log.i("CertTool", "addPkcs12Keystore()"); - - if ((handle = getPkcs12Handle(p12Data, password)) == 0) { - return INCORRECT_PKCS12_PASSPHRASE; - } - ret = extractAndStoreKeysFromPkcs12(handle, keyname); - freePkcs12Handle(handle); - return ret; - } - - /** - * Adds a certificate to the keystore. - * - * @param data the certificate data - * @param context the context to send an add-credential-to-keystore intent - */ - public synchronized void addCertificate(byte[] data, Context context) { - int handle; - Intent intent = null; - - Log.i("CertTool", "addCertificate()"); - if (isPkcs12Keystore(data)) { - intent = prepareIntent(TITLE_PKCS12_KEYSTORE, UNKNOWN, UNKNOWN) - .addCredential(USER_KEY, data).build(); - } else if ((handle = generateX509Certificate(data)) != 0) { - String issuer = getIssuerDN(handle); - String distinctName = getCertificateDN(handle); - String privateKeyPEM = getPrivateKeyPEM(handle); - if (isCaCertificate(handle)) { - intent = prepareIntent(TITLE_CA_CERT, issuer, distinctName) - .addCredential(CA_CERTIFICATE, data).build(); - } else { - AddCredentialIntentBuilder builder = - prepareIntent(TITLE_USER_CERT, issuer, distinctName) - .addCredential(USER_CERTIFICATE, data); - if (!TextUtils.isEmpty(privateKeyPEM)) { - builder.addCredential(USER_KEY, privateKeyPEM.getBytes()); - } - intent = builder.build(); - } - freeX509Certificate(handle); - } - if (intent != null) { - context.startActivity(intent); - } else { - Log.w("CertTool", "incorrect data for addCertificate()"); - } - } - - private AddCredentialIntentBuilder prepareIntent( - String title, String issuer, String distinctName) { - return new AddCredentialIntentBuilder(title, ISSUER_NAME + issuer, - DISTINCT_NAME + distinctName); - } -} |