Remove old keystore and related files. (ec05c46e) · Commits · e / os / android_frameworks_base

keystore/java/android/security/CertTool.java

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		/*
		* 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);
		}
		}

keystore/java/android/security/Keystore.java

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		/*
		* 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;

		/**
		* The Keystore class provides the functions to list the certs/keys in keystore.
		* {@hide}
		*/

		public abstract class Keystore {
		/** Action to unlock (or initialize) the keystore. */
		public static final String ACTION_UNLOCK_CREDENTIAL_STORAGE =
		"android.security.UNLOCK_CREDENTIAL_STORAGE";

		// Keystore States
		public static final int BOOTUP = 0;
		public static final int UNINITIALIZED = 1;
		public static final int LOCKED = 2;
		public static final int UNLOCKED = 3;

		private static final String TAG = "Keystore";
		private static final String[] NOTFOUND = new String[0];

		public static Keystore getInstance() {
		return new FileKeystore();
		}

		public abstract int lock();
		public abstract int unlock(String password);
		public abstract int getState();
		public abstract int changePassword(String oldPassword, String newPassword);
		public abstract int setPassword(String firstPassword);
		public abstract String[] listKeys(String namespace);
		public abstract int put(String namespace, String keyname, String value);
		public abstract String get(String namespace, String keyname);
		public abstract int remove(String namespace, String keyname);
		public abstract int reset();

		private static class FileKeystore extends Keystore {
		private static final String SERVICE_NAME = "keystore";
		private static final String CA_CERTIFICATE = "CaCertificate";
		private static final String USER_CERTIFICATE = "UserCertificate";
		private static final String USER_KEY = "UserPrivateKey";
		private static final ServiceCommand mServiceCommand =
		new ServiceCommand(SERVICE_NAME);

		@Override
		public int lock() {
		Reply result = mServiceCommand.execute(ServiceCommand.LOCK);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public int unlock(String password) {
		Reply result = mServiceCommand.execute(ServiceCommand.UNLOCK,
		password);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public int getState() {
		Reply result = mServiceCommand.execute(ServiceCommand.GET_STATE);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public int changePassword(String oldPassword, String newPassword) {
		Reply result = mServiceCommand.execute(ServiceCommand.PASSWD,
		oldPassword, newPassword);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public int setPassword(String firstPassword) {
		Reply result = mServiceCommand.execute(ServiceCommand.PASSWD,
		firstPassword);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public String[] listKeys(String namespace) {
		Reply result = mServiceCommand.execute(ServiceCommand.LIST_KEYS,
		namespace);
		if ((result == null) \|\| (result.returnCode != 0) \|\|
		(result.len == 0)) {
		return NOTFOUND;
		}
		return new String(result.data, 0, result.len).split("\\s+");
		}

		@Override
		public int put(String namespace, String keyname, String value) {
		Reply result = mServiceCommand.execute(ServiceCommand.PUT_KEY,
		namespace, keyname, value);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public String get(String namespace, String keyname) {
		Reply result = mServiceCommand.execute(ServiceCommand.GET_KEY,
		namespace, keyname);
		return (result != null) ? ((result.returnCode != 0) ? null :
		new String(result.data, 0, result.len)) : null;
		}

		@Override
		public int remove(String namespace, String keyname) {
		Reply result = mServiceCommand.execute(ServiceCommand.REMOVE_KEY,
		namespace, keyname);
		return (result != null) ? result.returnCode : -1;
		}

		@Override
		public int reset() {
		Reply result = mServiceCommand.execute(ServiceCommand.RESET);
		return (result != null) ? result.returnCode : -1;
		}
		}
		}

keystore/jni/Android.mk

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		LOCAL_PATH:= $(call my-dir)
		include $(CLEAR_VARS)

		LOCAL_SRC_FILES:= \
		cert.c certtool.c

		LOCAL_C_INCLUDES += \
		$(JNI_H_INCLUDE) \
		external/openssl/include

		LOCAL_SHARED_LIBRARIES := \
		libcutils \
		libnativehelper \
		libutils \
		libcrypto

		ifeq ($(TARGET_SIMULATOR),true)
		ifeq ($(TARGET_OS),linux)
		ifeq ($(TARGET_ARCH),x86)
		LOCAL_LDLIBS += -lpthread -ldl -lrt -lssl
		endif
		endif
		endif

		ifeq ($(WITH_MALLOC_LEAK_CHECK),true)
		LOCAL_CFLAGS += -DMALLOC_LEAK_CHECK
		endif

		LOCAL_MODULE:= libcerttool_jni

		include $(BUILD_SHARED_LIBRARY)

keystore/jni/cert.c

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File deleted.

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keystore/jni/cert.h

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		/*
		**
		** Copyright 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.
		*/

		#ifndef __CERT_H__
		#define __CERT_H__

		#define ANDROID_KEYSTORE "Android Keystore"
		#define KEYGEN_STORE_SIZE 5
		#define KEYLENGTH_MEDIUM 1024
		#define KEYLENGTH_MAXIMUM 2048
		#define MAX_CERT_NAME_LEN 128
		#define MAX_PEM_LENGTH 4096
		#define REPLY_MAX MAX_PEM_LENGTH


		#define STR(token) #token
		#define ERR_INVALID_KEY_LENGTH 1
		#define ERR_CONSTRUCT_NEW_DATA 2
		#define ERR_RSA_KEYGEN 3
		#define ERR_X509_PROCESS 4
		#define ERR_SPKAC_TOO_LONG 5
		#define ERR_INVALID_ARGS 6
		#define ERR_MAXIMUM 7

		typedef struct {
		EVP_PKEY *pkey;
		unsigned char *public_key;
		int key_len;
		} PKEY_STORE;

		typedef struct {
		PKCS12 *p12;
		EVP_PKEY *pkey;
		X509 *cert;
		STACK_OF(X509) *certs;
		} PKCS12_KEYSTORE;

		#define PKEY_STORE_free(x) { \
		if(x.pkey) EVP_PKEY_free(x.pkey); \
		if(x.public_key) free(x.public_key); \
		}

		#define nelem(x) (sizeof (x) / sizeof *(x))

		int gen_csr(int bits, const char *organizations, char reply[REPLY_MAX]);
		PKCS12_KEYSTORE get_pkcs12_keystore_handle(const char buf, int bufLen,
		const char *passwd);
		int get_pkcs12_certificate(PKCS12_KEYSTORE p12store, char buf, int size);
		int get_pkcs12_private_key(PKCS12_KEYSTORE p12store, char buf, int size);
		int pop_pkcs12_certs_stack(PKCS12_KEYSTORE p12store, char buf, int size);
		void free_pkcs12_keystore(PKCS12_KEYSTORE *p12store);
		int is_pkcs12(const char *buf, int bufLen);
		X509 parse_cert(const char buf, int bufLen);
		int get_cert_name(X509 cert, char buf, int size);
		int get_issuer_name(X509 cert, char buf, int size);
		int is_ca_cert(X509 *cert);
		int get_private_key_pem(X509 cert, char buf, int size);

		#endif