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-rw-r--r--config/hiddenapi-light-greylist.txt4
-rw-r--r--keystore/java/android/security/KeyStore.java131
2 files changed, 68 insertions, 67 deletions
diff --git a/config/hiddenapi-light-greylist.txt b/config/hiddenapi-light-greylist.txt
index 1e3728c3a02a..cde02694d615 100644
--- a/config/hiddenapi-light-greylist.txt
+++ b/config/hiddenapi-light-greylist.txt
@@ -1433,15 +1433,11 @@ Landroid/security/IKeystoreService;->exist(Ljava/lang/String;I)I
Landroid/security/IKeystoreService;->generateKey(Ljava/lang/String;Landroid/security/keymaster/KeymasterArguments;[BIILandroid/security/keymaster/KeyCharacteristics;)I
Landroid/security/IKeystoreService;->get(Ljava/lang/String;I)[B
Landroid/security/IKeystoreService;->getState(I)I
-Landroid/security/IKeystoreService;->get_pubkey(Ljava/lang/String;)[B
-Landroid/security/IKeystoreService;->import_key(Ljava/lang/String;[BII)I
Landroid/security/IKeystoreService;->insert(Ljava/lang/String;[BII)I
Landroid/security/IKeystoreService;->is_hardware_backed(Ljava/lang/String;)I
Landroid/security/IKeystoreService;->list(Ljava/lang/String;I)[Ljava/lang/String;
Landroid/security/IKeystoreService;->reset()I
-Landroid/security/IKeystoreService;->sign(Ljava/lang/String;[B)[B
Landroid/security/IKeystoreService;->ungrant(Ljava/lang/String;I)I
-Landroid/security/IKeystoreService;->verify(Ljava/lang/String;[B[B)I
Landroid/security/keymaster/KeymasterBlobArgument;-><init>(ILandroid/os/Parcel;)V
Landroid/security/keymaster/KeymasterBlobArgument;-><init>(I[B)V
Landroid/security/keymaster/KeymasterBlobArgument;->blob:[B
diff --git a/keystore/java/android/security/KeyStore.java b/keystore/java/android/security/KeyStore.java
index 799900f3bd6a..0cdd5fa65e08 100644
--- a/keystore/java/android/security/KeyStore.java
+++ b/keystore/java/android/security/KeyStore.java
@@ -30,6 +30,7 @@ import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
+import android.security.KeyStoreException;
import android.security.keymaster.ExportResult;
import android.security.keymaster.KeyCharacteristics;
import android.security.keymaster.KeymasterArguments;
@@ -40,14 +41,21 @@ import android.security.keymaster.OperationResult;
import android.security.keystore.KeyExpiredException;
import android.security.keystore.KeyNotYetValidException;
import android.security.keystore.KeyPermanentlyInvalidatedException;
+import android.security.keystore.KeyProperties;
+import android.security.keystore.KeyProtection;
import android.security.keystore.StrongBoxUnavailableException;
import android.security.keystore.UserNotAuthenticatedException;
import android.util.Log;
-
+import com.android.org.bouncycastle.asn1.ASN1InputStream;
+import com.android.org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import java.math.BigInteger;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
import java.security.InvalidKeyException;
import java.util.List;
import java.util.Locale;
+import sun.security.util.ObjectIdentifier;
+import sun.security.x509.AlgorithmId;
/**
* @hide This should not be made public in its present form because it
@@ -355,53 +363,6 @@ public class KeyStore {
return isEmpty(UserHandle.myUserId());
}
- public boolean generate(String key, int uid, int keyType, int keySize, int flags,
- byte[][] args) {
- try {
- return mBinder.generate(key, uid, keyType, keySize, flags,
- new KeystoreArguments(args)) == NO_ERROR;
- } catch (RemoteException e) {
- Log.w(TAG, "Cannot connect to keystore", e);
- return false;
- }
- }
-
- public boolean importKey(String keyName, byte[] key, int uid, int flags) {
- try {
- return mBinder.import_key(keyName, key, uid, flags) == NO_ERROR;
- } catch (RemoteException e) {
- Log.w(TAG, "Cannot connect to keystore", e);
- return false;
- }
- }
-
- public byte[] sign(String key, byte[] data) {
- try {
- return mBinder.sign(key, data);
- } catch (RemoteException e) {
- Log.w(TAG, "Cannot connect to keystore", e);
- return null;
- } catch (android.os.ServiceSpecificException e) {
- Log.w(TAG, "KeyStore exception", e);
- return null;
- }
-
- }
-
- public boolean verify(String key, byte[] data, byte[] signature) {
- try {
- signature = signature != null ? signature : new byte[0];
- return mBinder.verify(key, data, signature) == NO_ERROR;
- } catch (RemoteException e) {
- Log.w(TAG, "Cannot connect to keystore", e);
- return false;
- } catch (android.os.ServiceSpecificException e) {
- Log.w(TAG, "KeyStore exception", e);
- return false;
- }
-
- }
-
public String grant(String key, int uid) {
try {
String grantAlias = mBinder.grant(key, uid);
@@ -530,6 +491,65 @@ public class KeyStore {
return importKey(alias, args, format, keyData, UID_SELF, flags, outCharacteristics);
}
+ private String getAlgorithmFromPKCS8(byte[] keyData) {
+ try {
+ final ASN1InputStream bIn = new ASN1InputStream(new ByteArrayInputStream(keyData));
+ final PrivateKeyInfo pki = PrivateKeyInfo.getInstance(bIn.readObject());
+ final String algOid = pki.getPrivateKeyAlgorithm().getAlgorithm().getId();
+ return new AlgorithmId(new ObjectIdentifier(algOid)).getName();
+ } catch (IOException e) {
+ Log.e(TAG, "getAlgorithmFromPKCS8 Failed to parse key data");
+ Log.e(TAG, Log.getStackTraceString(e));
+ return null;
+ }
+ }
+
+ private KeymasterArguments makeLegacyArguments(String algorithm) {
+ KeymasterArguments args = new KeymasterArguments();
+ args.addEnum(KeymasterDefs.KM_TAG_ALGORITHM,
+ KeyProperties.KeyAlgorithm.toKeymasterAsymmetricKeyAlgorithm(algorithm));
+ args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_SIGN);
+ args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_VERIFY);
+ args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_ENCRYPT);
+ args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_DECRYPT);
+ args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_NONE);
+ if (algorithm.equalsIgnoreCase(KeyProperties.KEY_ALGORITHM_RSA)) {
+ args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_RSA_OAEP);
+ args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_RSA_PKCS1_1_5_ENCRYPT);
+ args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_RSA_PKCS1_1_5_SIGN);
+ args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_RSA_PSS);
+ }
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_NONE);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_MD5);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_SHA1);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_SHA_2_224);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_SHA_2_256);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_SHA_2_384);
+ args.addEnum(KeymasterDefs.KM_TAG_DIGEST, KeymasterDefs.KM_DIGEST_SHA_2_512);
+ args.addBoolean(KeymasterDefs.KM_TAG_NO_AUTH_REQUIRED);
+ args.addUnsignedLong(KeymasterDefs.KM_TAG_ORIGINATION_EXPIRE_DATETIME,
+ KeymasterArguments.UINT64_MAX_VALUE);
+ args.addUnsignedLong(KeymasterDefs.KM_TAG_USAGE_EXPIRE_DATETIME,
+ KeymasterArguments.UINT64_MAX_VALUE);
+ args.addUnsignedLong(KeymasterDefs.KM_TAG_ACTIVE_DATETIME, BigInteger.ZERO);
+ return args;
+ }
+
+ public boolean importKey(String alias, byte[] keyData, int uid, int flags) {
+ String algorithm = getAlgorithmFromPKCS8(keyData);
+ if (algorithm == null) return false;
+ KeymasterArguments args = makeLegacyArguments(algorithm);
+ KeyCharacteristics out = new KeyCharacteristics();
+ int result = importKey(alias, args, KeymasterDefs.KM_KEY_FORMAT_PKCS8, keyData, uid,
+ flags, out);
+ if (result != NO_ERROR) {
+ Log.e(TAG, Log.getStackTraceString(
+ new KeyStoreException(result, "legacy key import failed")));
+ return false;
+ }
+ return true;
+ }
+
public int importWrappedKey(String wrappedKeyAlias, byte[] wrappedKey,
String wrappingKeyAlias,
byte[] maskingKey, KeymasterArguments args, long rootSid, long fingerprintSid, int uid,
@@ -616,21 +636,6 @@ public class KeyStore {
}
/**
- * Check if the operation referenced by {@code token} is currently authorized.
- *
- * @param token An operation token returned by a call to
- * {@link #begin(String, int, boolean, KeymasterArguments, byte[], KeymasterArguments) begin}.
- */
- public boolean isOperationAuthorized(IBinder token) {
- try {
- return mBinder.isOperationAuthorized(token);
- } catch (RemoteException e) {
- Log.w(TAG, "Cannot connect to keystore", e);
- return false;
- }
- }
-
- /**
* Add an authentication record to the keystore authorization table.
*
* @param authToken The packed bytes of a hw_auth_token_t to be provided to keymaster.