KeyChain API for credential installation

Bug: 3497064
Change-Id: I4ac4d8b5559496b1632d63c2129e2bafd240893f
This commit is contained in:
Brian Carlstrom
2011-06-29 10:42:35 -07:00
parent afb60c36b7
commit a00a2b33cc
3 changed files with 100 additions and 31 deletions

View File

@@ -21,31 +21,27 @@ import com.android.org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import com.android.org.bouncycastle.jce.netscape.NetscapeCertRequest;
import com.android.org.bouncycastle.util.encoders.Base64;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.security.Credentials;
import android.security.KeyChain;
import android.util.Log;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.util.HashMap;
class CertTool {
final class CertTool {
private static final String LOGTAG = "CertTool";
private static final AlgorithmIdentifier MD5_WITH_RSA =
new AlgorithmIdentifier(PKCSObjectIdentifiers.md5WithRSAEncryption);
static final String CERT = Credentials.CERTIFICATE;
static final String PKCS12 = Credentials.PKCS12;
private static HashMap<String, String> sCertificateTypeMap;
static {
sCertificateTypeMap = new HashMap<String, String>();
sCertificateTypeMap.put("application/x-x509-ca-cert", CertTool.CERT);
sCertificateTypeMap.put("application/x-x509-user-cert", CertTool.CERT);
sCertificateTypeMap.put("application/x-pkcs12", CertTool.PKCS12);
sCertificateTypeMap.put("application/x-x509-ca-cert", KeyChain.EXTRA_CERTIFICATE);
sCertificateTypeMap.put("application/x-x509-user-cert", KeyChain.EXTRA_CERTIFICATE);
sCertificateTypeMap.put("application/x-pkcs12", KeyChain.EXTRA_PKCS12);
}
static String[] getKeyStrengthList() {
@@ -77,7 +73,7 @@ class CertTool {
static String getCertType(String mimeType) {
return sCertificateTypeMap.get(mimeType);
}
}
private CertTool() {}
}

View File

@@ -60,16 +60,10 @@ public class Credentials {
public static final String WIFI = "WIFI_";
/** Data type for public keys. */
public static final String PUBLIC_KEY = "KEY";
public static final String EXTRA_PUBLIC_KEY = "KEY";
/** Data type for private keys. */
public static final String PRIVATE_KEY = "PKEY";
/** Data type for certificates. */
public static final String CERTIFICATE = "CERT";
/** Data type for PKCS12. */
public static final String PKCS12 = "PKCS12";
public static final String EXTRA_PRIVATE_KEY = "PKEY";
// historically used by Android
public static final String EXTENSION_CRT = ".crt";
@@ -130,16 +124,9 @@ public class Credentials {
}
}
private Intent createInstallIntent() {
Intent intent = new Intent(INSTALL_ACTION);
intent.setClassName("com.android.certinstaller",
"com.android.certinstaller.CertInstallerMain");
return intent;
}
public void install(Context context) {
try {
Intent intent = createInstallIntent();
Intent intent = KeyChain.createInstallIntent();
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.w(LOGTAG, e.toString());
@@ -148,9 +135,9 @@ public class Credentials {
public void install(Context context, KeyPair pair) {
try {
Intent intent = createInstallIntent();
intent.putExtra(PRIVATE_KEY, pair.getPrivate().getEncoded());
intent.putExtra(PUBLIC_KEY, pair.getPublic().getEncoded());
Intent intent = KeyChain.createInstallIntent();
intent.putExtra(EXTRA_PRIVATE_KEY, pair.getPrivate().getEncoded());
intent.putExtra(EXTRA_PUBLIC_KEY, pair.getPublic().getEncoded());
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.w(LOGTAG, e.toString());
@@ -159,7 +146,7 @@ public class Credentials {
public void install(Context context, String type, byte[] value) {
try {
Intent intent = createInstallIntent();
Intent intent = KeyChain.createInstallIntent();
intent.putExtra(type, value);
context.startActivity(intent);
} catch (ActivityNotFoundException e) {

View File

@@ -89,30 +89,116 @@ public final class KeyChain {
public static final String ACCOUNT_TYPE = "com.android.keychain";
/**
* Action to bring up the KeyChainActivity
*/
private static final String ACTION_CHOOSER = "com.android.keychain.CHOOSER";
/**
* Extra for use with {@link #ACTION_CHOOSER}
* @hide Also used by KeyChainActivity implementation
*/
public static final String EXTRA_RESPONSE = "response";
/**
* Extra for use with {@link #ACTION_CHOOSER}
* @hide Also used by KeyChainActivity implementation
*/
public static final String EXTRA_HOST = "host";
/**
* Extra for use with {@link #ACTION_CHOOSER}
* @hide Also used by KeyChainActivity implementation
*/
public static final String EXTRA_PORT = "port";
/**
* Extra for use with {@link #ACTION_CHOOSER}
* @hide Also used by KeyChainActivity implementation
*/
public static final String EXTRA_ALIAS = "alias";
/**
* Extra for use with {@link #ACTION_CHOOSER}
* @hide Also used by KeyChainActivity implementation
*/
public static final String EXTRA_SENDER = "sender";
/**
* Action to bring up the CertInstaller
*/
private static final String ACTION_INSTALL = "android.credentials.INSTALL";
/**
* Optional extra to specify a {@code String} credential name on
* the {@code Intent} returned by {@link #createInstallIntent}.
*
* @hide TODO make public
*/
// Compatible with old com.android.certinstaller.CredentialHelper.CERT_NAME_KEY
public static final String EXTRA_NAME = "name";
/**
* Optional extra to specify an X.509 certificate to install on
* the {@code Intent} returned by {@link #createInstallIntent}.
* The extra value should be a PEM or ASN.1 DER encoded {@code
* byte[]}. An {@link X509Certificate} can be converted to DER
* encoded bytes with {@link X509Certificate#getEncoded}.
*
* <p>{@link #EXTRA_NAME} may be used to provide a default alias
* name for the installed certificate.
*
* @hide TODO make public
*/
// Compatible with old android.security.Credentials.CERTIFICATE
public static final String EXTRA_CERTIFICATE = "CERT";
/**
* Optional extra for use with the {@code Intent} returned by
* {@link #createInstallIntent} to specify a PKCS#12 key store to
* install. The extra value should be a {@code byte[]}. The bytes
* may come from an external source or be generated with {@link
* KeyStore#store} on a "PKCS12" instance.
*
* <p>The user will be prompted for the password to load the key store.
*
* <p>The key store will be scanned for {@link
* java.security.KeyStore.PrivateKeyEntry} entries and both the
* private key and associated certificate chain will be installed.
*
* <p>{@link #EXTRA_NAME} may be used to provide a default alias
* name for the installed credentials.
*
* @hide TODO make public
*/
// Compatible with old android.security.Credentials.PKCS12
public static final String EXTRA_PKCS12 = "PKCS12";
/**
* Returns an {@code Intent} that can be used for credential
* installation. The intent may be used without any extras, in
* which case the user will be able to install credentials from
* their own source.
*
* <p>Alternatively, {@link #EXTRA_CERTIFICATE} or {@link
* #EXTRA_PKCS12} maybe used to specify the bytes of an X.509
* certificate or a PKCS#12 key store for installation. These
* extras may be combined with {@link EXTRA_NAME} to provide a
* default alias name for credentials being installed.
*
* <p>When used with {@link Activity#startActivityForResult},
* {@link Activity#RESULT_OK} will be returned if a credential was
* successfully installed, otherwise {@link
* Activity#RESULT_CANCELED} will be returned.
*
* @hide TODO make public with createInstallIntent, EXTRA_NAME, EXTRA_CERTIFICATE, EXTRA_PKCS12
*/
public static Intent createInstallIntent() {
Intent intent = new Intent(ACTION_INSTALL);
intent.setClassName("com.android.certinstaller",
"com.android.certinstaller.CertInstallerMain");
return intent;
}
/**
* Launches an {@code Activity} for the user to select the alias
* for a private key and certificate pair for authentication. The
@@ -176,7 +262,7 @@ public final class KeyChain {
if (response == null) {
throw new NullPointerException("response == null");
}
Intent intent = new Intent("com.android.keychain.CHOOSER");
Intent intent = new Intent(ACTION_CHOOSER);
intent.putExtra(EXTRA_RESPONSE, new AliasResponse(activity, response));
intent.putExtra(EXTRA_HOST, host);
intent.putExtra(EXTRA_PORT, port);