Keystore 2.0 SPI: Switch to aidl union KeyParameters

Test: Compiles
Change-Id: I54b0d7a97954eb45283cf48bf2372db5e7ffa61a

7 files changed, 72 insertions, 36 deletions

diff --git a/keystore/java/android/security/keystore2/AndroidKeyStore3DESCipherSpi.java b/keystore/java/android/security/keystore2/AndroidKeyStore3DESCipherSpi.java
index 0775a1a99886..21ae5d2ae6b4 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStore3DESCipherSpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStore3DESCipherSpi.java
@@ -288,7 +288,7 @@ public class AndroidKeyStore3DESCipherSpi extends AndroidKeyStoreCipherSpiBase {
         if (parameters != null) {
             for (KeyParameter p : parameters) {
                 if (p.tag == KeymasterDefs.KM_TAG_NONCE) {
-                    returnedIv = p.blob;
+                    returnedIv = p.value.getBlob();
                     break;
                 }
             }
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreAuthenticatedAESCipherSpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreAuthenticatedAESCipherSpi.java
index bc56f015f3bd..efb4208ed8be 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreAuthenticatedAESCipherSpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreAuthenticatedAESCipherSpi.java
@@ -325,7 +325,7 @@ abstract class AndroidKeyStoreAuthenticatedAESCipherSpi extends AndroidKeyStoreC
         if (parameters != null) {
             for (KeyParameter p : parameters) {
                 if (p.tag == KeymasterDefs.KM_TAG_NONCE) {
-                    returnedIv = p.blob;
+                    returnedIv = p.value.getBlob();
                     break;
                 }
             }
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java b/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
index b2e32a3175e3..c0cd96853957 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreProvider.java
@@ -387,10 +387,10 @@ public class AndroidKeyStoreProvider extends Provider {
         for (Authorization a : response.metadata.authorizations) {
             switch (a.keyParameter.tag) {
                 case KeymasterDefs.KM_TAG_ALGORITHM:
-                    keymasterAlgorithm = a.keyParameter.integer;
+                    keymasterAlgorithm = a.keyParameter.value.getAlgorithm();
                     break;
                 case KeymasterDefs.KM_TAG_DIGEST:
-                    if (keymasterDigest == -1) keymasterDigest = a.keyParameter.integer;
+                    if (keymasterDigest == -1) keymasterDigest = a.keyParameter.value.getDigest();
                     break;
             }
         }
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
index 9d3b9704d711..74503e1eecfa 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreSecretKeyFactorySpi.java
@@ -102,7 +102,8 @@ public class AndroidKeyStoreSecretKeyFactorySpi extends SecretKeyFactorySpi {
                         insideSecureHardware =
                                 KeyStore2ParameterUtils.isSecureHardware(a.securityLevel);
                         securityLevel = a.securityLevel;
-                        origin = KeyProperties.Origin.fromKeymaster(a.keyParameter.integer);
+                        origin = KeyProperties.Origin.fromKeymaster(
+                                a.keyParameter.value.getOrigin());
                         break;
                     case KeymasterDefs.KM_TAG_KEY_SIZE:
                         long keySizeUnsigned = KeyStore2ParameterUtils.getUnsignedInt(a);
@@ -113,45 +114,51 @@ public class AndroidKeyStoreSecretKeyFactorySpi extends SecretKeyFactorySpi {
                         keySize = (int) keySizeUnsigned;
                         break;
                     case KeymasterDefs.KM_TAG_PURPOSE:
-                        purposes |= KeyProperties.Purpose.fromKeymaster(a.keyParameter.integer);
+                        purposes |= KeyProperties.Purpose.fromKeymaster(
+                                a.keyParameter.value.getKeyPurpose());
                         break;
                     case KeymasterDefs.KM_TAG_PADDING:
+                        int paddingMode = a.keyParameter.value.getPaddingMode();
                         try {
-                            if (a.keyParameter.integer == KeymasterDefs.KM_PAD_RSA_PKCS1_1_5_SIGN
-                                    || a.keyParameter.integer == KeymasterDefs.KM_PAD_RSA_PSS) {
+                            if (paddingMode == KeymasterDefs.KM_PAD_RSA_PKCS1_1_5_SIGN
+                                    || paddingMode == KeymasterDefs.KM_PAD_RSA_PSS) {
                                 @KeyProperties.SignaturePaddingEnum String padding =
                                         KeyProperties.SignaturePadding.fromKeymaster(
-                                                a.keyParameter.integer);
+                                                paddingMode);
                                 signaturePaddingsList.add(padding);
                             } else {
                                 @KeyProperties.EncryptionPaddingEnum String jcaPadding =
                                         KeyProperties.EncryptionPadding.fromKeymaster(
-                                                a.keyParameter.integer);
+                                                paddingMode);
                                 encryptionPaddingsList.add(jcaPadding);
                             }
                         } catch (IllegalArgumentException e) {
                             throw new ProviderException("Unsupported padding: "
-                                                + a.keyParameter.integer);
+                                                + paddingMode);
                         }
                         break;
                     case KeymasterDefs.KM_TAG_DIGEST:
-                        digestsList.add(KeyProperties.Digest.fromKeymaster(a.keyParameter.integer));
+                        digestsList.add(KeyProperties.Digest.fromKeymaster(
+                                a.keyParameter.value.getDigest()));
                         break;
                     case KeymasterDefs.KM_TAG_BLOCK_MODE:
                         blockModesList.add(
-                                KeyProperties.BlockMode.fromKeymaster(a.keyParameter.integer)
+                                KeyProperties.BlockMode.fromKeymaster(
+                                        a.keyParameter.value.getBlockMode())
                         );
                         break;
                     case KeymasterDefs.KM_TAG_USER_AUTH_TYPE:
+                        int authenticatorType = a.keyParameter.value.getHardwareAuthenticatorType();
                         if (KeyStore2ParameterUtils.isSecureHardware(a.securityLevel)) {
-                            keymasterHwEnforcedUserAuthenticators = a.keyParameter.integer;
+                            keymasterHwEnforcedUserAuthenticators = authenticatorType;
                         } else {
-                            keymasterSwEnforcedUserAuthenticators = a.keyParameter.integer;
+                            keymasterSwEnforcedUserAuthenticators = authenticatorType;
                         }
                         break;
                     case KeymasterDefs.KM_TAG_USER_SECURE_ID:
                         keymasterSecureUserIds.add(
-                                KeymasterArguments.toUint64(a.keyParameter.longInteger));
+                                KeymasterArguments.toUint64(
+                                        a.keyParameter.value.getLongInteger()));
                         break;
                     case KeymasterDefs.KM_TAG_ACTIVE_DATETIME:
                         keyValidityStart = KeyStore2ParameterUtils.getDate(a);
diff --git a/keystore/java/android/security/keystore2/AndroidKeyStoreUnauthenticatedAESCipherSpi.java b/keystore/java/android/security/keystore2/AndroidKeyStoreUnauthenticatedAESCipherSpi.java
index 4d4b0d8f183b..02e231ea990f 100644
--- a/keystore/java/android/security/keystore2/AndroidKeyStoreUnauthenticatedAESCipherSpi.java
+++ b/keystore/java/android/security/keystore2/AndroidKeyStoreUnauthenticatedAESCipherSpi.java
@@ -275,7 +275,7 @@ class AndroidKeyStoreUnauthenticatedAESCipherSpi extends AndroidKeyStoreCipherSp
         if (parameters != null) {
             for (KeyParameter p : parameters) {
                 if (p.tag == KeymasterDefs.KM_TAG_NONCE) {
-                    returnedIv = p.blob;
+                    returnedIv = p.value.getBlob();
                     break;
                 }
             }
diff --git a/keystore/java/android/security/keystore2/KeyStore2ParameterUtils.java b/keystore/java/android/security/keystore2/KeyStore2ParameterUtils.java
index 18c786aa3093..32dfd6e7050c 100644
--- a/keystore/java/android/security/keystore2/KeyStore2ParameterUtils.java
+++ b/keystore/java/android/security/keystore2/KeyStore2ParameterUtils.java
@@ -19,7 +19,9 @@ package android.security.keystore2;
 import android.annotation.NonNull;
 import android.hardware.biometrics.BiometricManager;
 import android.hardware.security.keymint.KeyParameter;
+import android.hardware.security.keymint.KeyParameterValue;
 import android.hardware.security.keymint.SecurityLevel;
+import android.hardware.security.keymint.Tag;
 import android.security.GateKeeper;
 import android.security.keymaster.KeymasterDefs;
 import android.security.keystore.KeyProperties;
@@ -50,7 +52,7 @@ public abstract class KeyStore2ParameterUtils {
         }
         KeyParameter p = new KeyParameter();
         p.tag = tag;
-        p.boolValue = true;
+        p.value = KeyParameterValue.boolValue(true);
         return p;
     }
 
@@ -62,14 +64,40 @@ public abstract class KeyStore2ParameterUtils {
      * @hide
      */
     static @NonNull KeyParameter makeEnum(int tag, int v) {
-        int type = KeymasterDefs.getTagType(tag);
-        if (type != KeymasterDefs.KM_ENUM && type != KeymasterDefs.KM_ENUM_REP) {
-            throw new IllegalArgumentException("Not an enum or repeatable enum tag: " + tag);
+        KeyParameter kp = new KeyParameter();
+        kp.tag = tag;
+        switch (tag) {
+            case Tag.PURPOSE:
+                kp.value = KeyParameterValue.keyPurpose(v);
+                break;
+            case Tag.ALGORITHM:
+                kp.value = KeyParameterValue.algorithm(v);
+                break;
+            case Tag.BLOCK_MODE:
+                kp.value = KeyParameterValue.blockMode(v);
+                break;
+            case Tag.DIGEST:
+                kp.value = KeyParameterValue.digest(v);
+                break;
+            case Tag.EC_CURVE:
+                kp.value = KeyParameterValue.ecCurve(v);
+                break;
+            case Tag.ORIGIN:
+                kp.value = KeyParameterValue.origin(v);
+                break;
+            case Tag.PADDING:
+                kp.value = KeyParameterValue.paddingMode(v);
+                break;
+            case Tag.USER_AUTH_TYPE:
+                kp.value = KeyParameterValue.hardwareAuthenticatorType(v);
+                break;
+            case Tag.HARDWARE_TYPE:
+                kp.value = KeyParameterValue.securityLevel(v);
+                break;
+            default:
+                throw new IllegalArgumentException("Not an enum or repeatable enum tag: " + tag);
         }
-        KeyParameter p = new KeyParameter();
-        p.tag = tag;
-        p.integer = v;
-        return p;
+        return kp;
     }
 
     /**
@@ -86,7 +114,7 @@ public abstract class KeyStore2ParameterUtils {
         }
         KeyParameter p = new KeyParameter();
         p.tag = tag;
-        p.integer = v;
+        p.value = KeyParameterValue.integer(v);
         return p;
     }
 
@@ -104,7 +132,7 @@ public abstract class KeyStore2ParameterUtils {
         }
         KeyParameter p = new KeyParameter();
         p.tag = tag;
-        p.longInteger = v;
+        p.value = KeyParameterValue.longInteger(v);
         return p;
     }
 
@@ -121,7 +149,7 @@ public abstract class KeyStore2ParameterUtils {
         }
         KeyParameter p = new KeyParameter();
         p.tag = tag;
-        p.blob = b;
+        p.value = KeyParameterValue.blob(b);
         return p;
     }
 
@@ -138,9 +166,10 @@ public abstract class KeyStore2ParameterUtils {
         }
         KeyParameter p = new KeyParameter();
         p.tag = tag;
-        p.longInteger = date.getTime();
-        if (p.longInteger < 0) {
-            throw new IllegalArgumentException("Date tag value out of range: " + p.longInteger);
+        p.value = KeyParameterValue.dateTime(date.getTime());
+        if (p.value.getDateTime() < 0) {
+            throw new IllegalArgumentException("Date tag value out of range: "
+                    + p.value.getDateTime());
         }
         return p;
     }
@@ -160,18 +189,18 @@ public abstract class KeyStore2ParameterUtils {
             throw new IllegalArgumentException("Not an int tag: " + param.keyParameter.tag);
         }
         // KM_UINT is 32 bits wide so we must suppress sign extension.
-        return ((long) param.keyParameter.integer) & 0xffffffffL;
+        return ((long) param.keyParameter.value.getInteger()) & 0xffffffffL;
     }
 
     static @NonNull Date getDate(@NonNull Authorization param) {
         if (KeymasterDefs.getTagType(param.keyParameter.tag) != KeymasterDefs.KM_DATE) {
             throw new IllegalArgumentException("Not a date tag: " + param.keyParameter.tag);
         }
-        if (param.keyParameter.longInteger < 0) {
+        if (param.keyParameter.value.getDateTime() < 0) {
             throw new IllegalArgumentException("Date Value too large: "
-                    + param.keyParameter.longInteger);
+                    + param.keyParameter.value.getDateTime());
         }
-        return new Date(param.keyParameter.longInteger);
+        return new Date(param.keyParameter.value.getDateTime());
     }
 
     static void forEachSetFlag(int flags, Consumer<Integer> consumer) {
diff --git a/keystore/java/android/security/keystore2/KeyStoreCryptoOperationUtils.java b/keystore/java/android/security/keystore2/KeyStoreCryptoOperationUtils.java
index 3b11854bf7cb..f87a3d25f90c 100644
--- a/keystore/java/android/security/keystore2/KeyStoreCryptoOperationUtils.java
+++ b/keystore/java/android/security/keystore2/KeyStoreCryptoOperationUtils.java
@@ -57,7 +57,7 @@ abstract class KeyStoreCryptoOperationUtils {
         for (Authorization p : key.getAuthorizations()) {
             switch(p.keyParameter.tag) {
                 case KeymasterDefs.KM_TAG_USER_SECURE_ID:
-                    keySids.add(p.keyParameter.longInteger);
+                    keySids.add(p.keyParameter.value.getLongInteger());
                     break;
                 default:
                     break;