diff --git a/staging/security/see/hwcrypto/aidl/Android.bp b/staging/security/see/hwcrypto/aidl/Android.bp
new file mode 100644
index 0000000..3e7ee9e
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/Android.bp
@@ -0,0 +1,29 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+aidl_interface {
+    name: "android.hardware.security.see",
+    unstable: false,
+    host_supported: true,
+    srcs: [
+        "android/hardware/security/see/hwcrypto/*.aidl",
+        "android/hardware/security/see/hwcrypto/types/*.aidl",
+    ],
+    backend: {
+        java: {
+            enabled: false,
+        },
+        cpp: {
+            enabled: false,
+        },
+        rust: {
+            enabled: true,
+        },
+    },
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperation.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperation.aidl
new file mode 100644
index 0000000..b04dc32
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperation.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+union CryptoOperation {
+  android.hardware.security.see.hwcrypto.MemoryBufferParameter setMemoryBuffer;
+  android.hardware.security.see.hwcrypto.types.Void setOperationParameters;
+  android.hardware.security.see.hwcrypto.PatternParameters setPattern;
+  android.hardware.security.see.hwcrypto.types.OperationData copyData;
+  android.hardware.security.see.hwcrypto.types.OperationData aadInput;
+  android.hardware.security.see.hwcrypto.types.OperationData dataInput;
+  android.hardware.security.see.hwcrypto.types.OperationData dataOutput;
+  @nullable android.hardware.security.see.hwcrypto.types.Void finish;
+  @nullable android.hardware.security.see.hwcrypto.types.Void destroyContext;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl
new file mode 100644
index 0000000..05780e1
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable CryptoOperationErrorAdditionalInfo {
+  long failingCommandIndex;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl
new file mode 100644
index 0000000..1088e27
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable CryptoOperationResult {
+  @nullable android.hardware.security.see.hwcrypto.ICryptoOperationContext context;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl
new file mode 100644
index 0000000..f3b9b43
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable CryptoOperationSet {
+  @nullable android.hardware.security.see.hwcrypto.ICryptoOperationContext context;
+  android.hardware.security.see.hwcrypto.CryptoOperation[] operations;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl
new file mode 100644
index 0000000..472215f
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+interface ICryptoOperationContext {
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
new file mode 100644
index 0000000..5c26cc2
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+interface IHwCryptoOperations {
+  android.hardware.security.see.hwcrypto.CryptoOperationResult[] processCommandList(inout android.hardware.security.see.hwcrypto.CryptoOperationSet[] operations, out android.hardware.security.see.hwcrypto.CryptoOperationErrorAdditionalInfo additionalErrorInfo);
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
new file mode 100644
index 0000000..9cbf272
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+interface IOpaqueKey {
+  byte[] exportWrappedKey(in android.hardware.security.see.hwcrypto.IOpaqueKey wrappingKey);
+  android.hardware.security.see.hwcrypto.KeyPolicy getKeyPolicy();
+  byte[] getPublicKey();
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/KeyPolicy.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/KeyPolicy.aidl
new file mode 100644
index 0000000..0e3896e
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/KeyPolicy.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable KeyPolicy {
+  android.hardware.security.see.hwcrypto.types.KeyUse usage;
+  android.hardware.security.see.hwcrypto.types.KeyLifetime keyLifetime = android.hardware.security.see.hwcrypto.types.KeyLifetime.EPHEMERAL;
+  android.hardware.security.see.hwcrypto.types.KeyPermissions[] keyPermissions;
+  boolean keyManagementKey;
+  android.hardware.security.see.hwcrypto.types.KeyType keyType = android.hardware.security.see.hwcrypto.types.KeyType.AES_256_GCM;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl
new file mode 100644
index 0000000..d88d5c8
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable MemoryBufferParameter {
+  android.hardware.security.see.hwcrypto.MemoryBufferParameter.MemoryBuffer bufferHandle;
+  int sizeBytes;
+  union MemoryBuffer {
+    ParcelFileDescriptor input;
+    ParcelFileDescriptor output;
+  }
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/PatternParameters.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/PatternParameters.aidl
new file mode 100644
index 0000000..0fd1ee7
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/PatternParameters.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto;
+parcelable PatternParameters {
+  long numberBlocksProcess;
+  long numberBlocksCopy;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
new file mode 100644
index 0000000..cd8b3c6
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+parcelable HalErrorCode {
+  const int NO_ERROR = 0;
+  const int GENERIC_ERROR = (-1) /* -1 */;
+  const int BAD_STATE = (-2) /* -2 */;
+  const int UNSUPPORTED = (-3) /* -3 */;
+  const int SERIALIZATION_ERROR = (-4) /* -4 */;
+  const int ALLOCATION_ERROR = (-5) /* -5 */;
+  const int INVALID_KEY = (-6) /* -6 */;
+  const int BAD_PARAMETER = (-7) /* -7 */;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl
new file mode 100644
index 0000000..db5964c
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+@Backing(type="byte")
+enum KeyLifetime {
+  EPHEMERAL,
+  HARDWARE,
+  PORTABLE,
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl
new file mode 100644
index 0000000..ea3a173
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+enum KeyPermissions {
+  ALLOW_EPHEMERAL_KEY_WRAPPING,
+  ALLOW_HARDWARE_KEY_WRAPPING,
+  ALLOW_PORTABLE_KEY_WRAPPING,
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyType.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyType.aidl
new file mode 100644
index 0000000..59b83c4
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyType.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+enum KeyType {
+  AES_128_CBC_NO_PADDING,
+  AES_128_CBC_PKCS7_PADDING,
+  AES_128_CTR,
+  AES_128_GCM,
+  AES_128_CMAC,
+  AES_256_CBC_NO_PADDING,
+  AES_256_CBC_PKCS7_PADDING,
+  AES_256_CTR,
+  AES_256_GCM,
+  AES_256_CMAC,
+  HMAC_SHA256,
+  HMAC_SHA512,
+  RSA2048_PSS_SHA256,
+  RSA2048_PKCS1_5_SHA256,
+  ECC_NIST_P256_SIGN_NO_PADDING,
+  ECC_NIST_P256_SIGN_SHA256,
+  ECC_NIST_P521_SIGN_NO_PADDING,
+  ECC_NIST_P521_SIGN_SHA512,
+  ECC_ED25519_SIGN,
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyUse.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyUse.aidl
new file mode 100644
index 0000000..e888bdf
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/KeyUse.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+@Backing(type="int")
+enum KeyUse {
+  ENCRYPT = 1,
+  DECRYPT = 2,
+  ENCRYPT_DECRYPT = (ENCRYPT | DECRYPT) /* 3 */,
+  SIGN = 4,
+  DERIVE = 8,
+  WRAP = 16,
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl
new file mode 100644
index 0000000..eaa8dd7
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+parcelable MemoryBufferReference {
+  int startOffset;
+  int sizeBytes;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationData.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationData.aidl
new file mode 100644
index 0000000..aad3ac1
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationData.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+union OperationData {
+  android.hardware.security.see.hwcrypto.types.MemoryBufferReference memoryBufferReference;
+  byte[] dataBuffer;
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationType.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationType.aidl
new file mode 100644
index 0000000..ca8b3eb
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/OperationType.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+enum OperationType {
+  READ,
+  WRITE,
+}
diff --git a/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/Void.aidl b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/Void.aidl
new file mode 100644
index 0000000..b37848b
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/aidl_api/android.hardware.security.see/current/android/hardware/security/see/hwcrypto/types/Void.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2024 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.security.see.hwcrypto.types;
+parcelable Void {
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperation.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperation.aidl
new file mode 100644
index 0000000..c78eb44
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperation.aidl
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.MemoryBufferParameter;
+import android.hardware.security.see.hwcrypto.PatternParameters;
+import android.hardware.security.see.hwcrypto.types.OperationData;
+import android.hardware.security.see.hwcrypto.types.Void;
+
+/*
+ * Type that describes the different operations that can be performed along with its required
+ * parameters. It will be used to construct a vector of operation that are executed sequentially.
+ */
+union CryptoOperation {
+    /*
+     * Sets a memory buffer to operate on. References to positions of this memory buffer can be used
+     * when setting the parameters for <code>UpdateAad</code>, <code>UpdateData</code>,
+     * <code>Finish</code> and <code>CopyData</code>.
+     */
+    MemoryBufferParameter setMemoryBuffer;
+
+    /*
+     * Sets the parameters for the current operation, for more info on specific parameters see
+     * <code>OperationParameters</code>.
+     */
+    Void setOperationParameters;
+
+    /*
+     * Sets the pattern for a decrypt type operation. A pattern is used to describe that the Input
+     * data provided is not completely encrypted, but that it has some blocks encrypted followed by
+     * some blocks in the clear. Currently it shall only be supported for cbcs mode as defined on
+     * IEC 23001-7:2016.
+     */
+    PatternParameters setPattern;
+
+    /*
+     * Copies data from input to output.
+     */
+    OperationData copyData;
+
+    /*
+     * Adds additional authenticated data. This type is only valid after a
+     * <code>SetOperationParameters</code> of type <code>SymmetricAuthOperationParameters</code>.
+     */
+    OperationData aadInput;
+
+    /*
+     * Adds data to the operation for processing. This type is only valid after a
+     * <code>SetOperationParameters</code> and it will trigger the operation, so output buffers
+     * need to be set first.
+     */
+    OperationData dataInput;
+
+    /*
+     * Adds output buffers to store results form the operation. This type is only valid after a
+     * <code>SetOperationParameters</code> and it needs to be done before calling
+     * <code>DataInput</code>
+     */
+    OperationData dataOutput;
+
+    /*
+     * Finalizes a cryptographic operation in flight. Because operations are initiated with a call
+     * to <code>SetOperationParameters</code>, a <code>finish</code> element is only valid after a
+     * <code>SetOperationParameters</code> element.
+     */
+    @nullable Void finish;
+
+    /*
+     * Specifies that we do not want to continue using this context anymore. The result of this
+     * call is that all resources are freed after finishing operating on the set of commands and no
+     * context is returned to the caller.
+     */
+    @nullable Void destroyContext;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl
new file mode 100644
index 0000000..f3ac8ea
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationErrorAdditionalInfo.aidl
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+/*
+ * Type that provides more information about failures when processing a list of commands.
+ */
+parcelable CryptoOperationErrorAdditionalInfo {
+    /*
+     * Index indicating the first step of <code>CryptoOperationSet::operations</code> that failed
+     * when executing a set of commands. No more commands would have been executed after this.
+     */
+    long failingCommandIndex;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl
new file mode 100644
index 0000000..07c2983
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationResult.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.ICryptoOperationContext;
+
+/*
+ * Type that describes the result of a set of crypto operations.
+ */
+parcelable CryptoOperationResult {
+    /*
+     * Token that can be passed on a CryptoOperationSet to issue more operations on the same context
+     * on future calls.
+     */
+    @nullable ICryptoOperationContext context;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl
new file mode 100644
index 0000000..9aff1e8
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/CryptoOperationSet.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.CryptoOperation;
+import android.hardware.security.see.hwcrypto.ICryptoOperationContext;
+
+/*
+ * Type that describes a set of crypto operations to execute
+ */
+parcelable CryptoOperationSet {
+    /*
+     * Token to be used to issue the operations. If NULL, a new context will be created and
+     * returned.
+     */
+    @nullable ICryptoOperationContext context;
+
+    /*
+     * Set of operations to execute.
+     */
+    CryptoOperation[] operations;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl
new file mode 100644
index 0000000..68d0c03
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/ICryptoOperationContext.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+/*
+ * Token that can be used to execute more commands when passed as an input on a
+ * <code>CryptoOperationSet::context</code> parcelable. It represents an operation being executed
+ * and is valid until a <code>CryptoOperation::Finish</code> is issued using the token. The
+ * operation in progress context includes any memory buffer previously mapped by a
+ * <code>CryptoOperation::SetMemoryBuffer</code> call.
+ */
+interface ICryptoOperationContext {}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
new file mode 100644
index 0000000..4d394ed
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IHwCryptoOperations.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.CryptoOperationErrorAdditionalInfo;
+import android.hardware.security.see.hwcrypto.CryptoOperationResult;
+import android.hardware.security.see.hwcrypto.CryptoOperationSet;
+
+/*
+ * Interface used that provides cryptographic services, including the generation and use of
+ * cryptographic keys. Interactions with this interface are done through a command-base API,
+ * which allow callers to execute a large set of operations on a single call.
+ */
+interface IHwCryptoOperations {
+    /*
+     * processCommandList() - Executes a list of cryptographic commands in order
+     *
+     * @operations:
+     *      Parameter containing 1 or more set of commands to execute. Additionally, each set can
+     *      also contain a context on which the commands will be executed.
+     * @additionalErrorInfo:
+     *      Structure containing additional info when errors are encountered. Only valid if the
+     *      function failed its execution.
+     * Return:
+     *      CryptoOperationResult[] on success, which can contain a context to continue executing
+     *      each of the provided operations sets, service specific error based on
+     *      <code>HalErrorCode</code> otherwise.
+     */
+    CryptoOperationResult[] processCommandList(inout CryptoOperationSet[] operations,
+            out CryptoOperationErrorAdditionalInfo additionalErrorInfo);
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
new file mode 100644
index 0000000..0d0f613
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/IOpaqueKey.aidl
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.KeyPolicy;
+import android.hardware.security.see.hwcrypto.types.OperationType;
+
+interface IOpaqueKey {
+    /*
+     * exportWrappedKey() - Exports this key as a wrapped (encrypted) blob.
+     *
+     * @wrapping_key:
+     *     wrapping key. It needs to be an opaque key and its policy needs to indicate that it can
+     *     be used for key wrapping.
+     *
+     * Return:
+     *      Wrapped key blob as a byte array on success. Format of the blob is opaque to the service
+     *      but has to match the command accepted by
+     *      <code>IHwCryptoKeyGeneration::importWrappedKey</code>, service specific error based on
+     *      <code>HalErrorCode</code> otherwise.
+     */
+    byte[] exportWrappedKey(in IOpaqueKey wrappingKey);
+
+    /*
+     * getKeyPolicy() - Returns the key policy.
+     *
+     * Return:
+     *      A <code>KeyPolicy</code> on success, service specific error based on
+     *      <code>HalErrorCode</code> otherwise.
+     */
+    KeyPolicy getKeyPolicy();
+
+    /*
+     * getPublicKey() - Returns the public key portion of this OpaqueKey. This operation is only
+     *                  valid for asymmetric keys
+     *
+     * Return:
+     *      public key as a byte array on success, service specific error based on
+     *      <code>HalErrorCode</code> otherwise. Format used for the returned public key is COSE.
+     */
+    byte[] getPublicKey();
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/KeyPolicy.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/KeyPolicy.aidl
new file mode 100644
index 0000000..9266bfa
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/KeyPolicy.aidl
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+import android.hardware.security.see.hwcrypto.types.KeyLifetime;
+import android.hardware.security.see.hwcrypto.types.KeyPermissions;
+import android.hardware.security.see.hwcrypto.types.KeyType;
+import android.hardware.security.see.hwcrypto.types.KeyUse;
+
+/*
+ * Parcelable that specified how a key can be used.
+ */
+parcelable KeyPolicy {
+    /*
+     * Enum specifying the operations the key can perform (encryption, decryption, etc.).
+     */
+    KeyUse usage;
+
+    /*
+     * Enum that describes the key lifetime characteristics. See the docstring on
+     * <code>KeyLifetime</code> for more details.
+     */
+    KeyLifetime keyLifetime = KeyLifetime.EPHEMERAL;
+
+    /*
+     * Additional permissions of the key (e.g. key types allowed to wrap the key, boot binding,
+     * etc.). See the docstring on <code>KeyPermissions</code> for more details.
+     */
+    KeyPermissions[] keyPermissions;
+
+    /*
+     * Key can be used to wrap or derive other keys.
+     */
+    boolean keyManagementKey;
+
+    /*
+     * Enum that specifies the key type.
+     */
+    KeyType keyType = KeyType.AES_256_GCM;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl
new file mode 100644
index 0000000..c5a6a5c
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/MemoryBufferParameter.aidl
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+/*
+ * Parcelable representing a memory buffer.
+ */
+parcelable MemoryBufferParameter {
+    union MemoryBuffer {
+        ParcelFileDescriptor input;
+        ParcelFileDescriptor output;
+    }
+
+    /*
+     * Handle used to access this memory area.
+     */
+    MemoryBuffer bufferHandle;
+
+    /*
+     * Total size of the memory buffer.
+     */
+    int sizeBytes;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/PatternParameters.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/PatternParameters.aidl
new file mode 100644
index 0000000..3f62abe
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/PatternParameters.aidl
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto;
+
+/*
+ * Parcelable that specifies a pattern to process data.
+ */
+parcelable PatternParameters {
+    /*
+     * Number of blocks that will be processed. The size of the block matches the size of the
+     * cipher used (e.g. for AES this parameter indicates the number of 16 bytes blocks to be
+     * processed).
+     */
+    long numberBlocksProcess;
+
+    /*
+     * Number of blocks that will be copied. The size of the block matches the size of the cipher
+     * used to process the encrypted areas (e.g. for AES this parameter indicates the number of 16
+     * bytes blocks to be copied).
+     */
+    long numberBlocksCopy;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
new file mode 100644
index 0000000..e8e8539
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/HalErrorCode.aidl
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Service error codes. Will be returned as service specific errors.
+ */
+parcelable HalErrorCode {
+    /* Success */
+    const int NO_ERROR = 0;
+
+    /* Generic error */
+    const int GENERIC_ERROR = -1;
+
+    /* Desired operation cannot be performed because of the server current state */
+    const int BAD_STATE = -2;
+
+    /* Operation or parameters are not supported by the server */
+    const int UNSUPPORTED = -3;
+
+    /* Error encountered when parsing parameters */
+    const int SERIALIZATION_ERROR = -4;
+
+    /* Server ran out of memory when performing operation */
+    const int ALLOCATION_ERROR = -5;
+
+    /* Provided key is not compatible with the operation */
+    const int INVALID_KEY = -6;
+
+    /* Bad parameter supplied for the desired operation */
+    const int BAD_PARAMETER = -7;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl
new file mode 100644
index 0000000..9958a0b
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyLifetime.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Enum that gives more information about the lifetime characteristics of the key. They are
+ * represented as a bitmask to allow us to internally combine them on a single property to describe
+ * a set of allowed lifetimes.
+ */
+@Backing(type="byte")
+enum KeyLifetime {
+    /*
+     * Hardware keys with limited validity (until key is erased or power cycle occurs).
+     */
+    EPHEMERAL,
+
+    /*
+     * Key only lives or was derived from a key that only lives in hardware. This key cannot be
+     * retrieved in the clear.
+     */
+    HARDWARE,
+
+    /*
+     * Key could have been at some point of its lifetime in the clear on a software component.
+     */
+    PORTABLE,
+
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl
new file mode 100644
index 0000000..a1e4f21
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyPermissions.aidl
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Additional characteristics and permissions of the key.
+ */
+enum KeyPermissions {
+    /*
+     * Key can be wrapped by an ephemeral key.
+     */
+    ALLOW_EPHEMERAL_KEY_WRAPPING,
+
+    /*
+     * Key can be wrapped by a hardware key. Notice that ephemeral keys cannot be wrapped by
+     * hardware keys.
+     */
+    ALLOW_HARDWARE_KEY_WRAPPING,
+
+    /*
+     * Key can be wrapped by a portable key. Notice that neither ephemeral keys nor hardware keys
+     * can be wrapped by portable keys.
+     */
+    ALLOW_PORTABLE_KEY_WRAPPING,
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyType.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyType.aidl
new file mode 100644
index 0000000..3cf4670
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyType.aidl
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Enum describing all supported key types. Key types are strongly bound to the algorithm to
+ * prevent reusing the same key on different algorithms (e.g. using the same key for 2 different AES
+ * 128 Cipher modes).
+ */
+enum KeyType {
+    AES_128_CBC_NO_PADDING,
+    AES_128_CBC_PKCS7_PADDING,
+    AES_128_CTR,
+    AES_128_GCM,
+    AES_128_CMAC,
+    AES_256_CBC_NO_PADDING,
+    AES_256_CBC_PKCS7_PADDING,
+    AES_256_CTR,
+    AES_256_GCM,
+    AES_256_CMAC,
+    HMAC_SHA256,
+    HMAC_SHA512,
+    RSA2048_PSS_SHA256,
+    RSA2048_PKCS1_5_SHA256,
+    ECC_NIST_P256_SIGN_NO_PADDING,
+    ECC_NIST_P256_SIGN_SHA256,
+    ECC_NIST_P521_SIGN_NO_PADDING,
+    ECC_NIST_P521_SIGN_SHA512,
+    ECC_ED25519_SIGN,
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyUse.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyUse.aidl
new file mode 100644
index 0000000..76bfd62
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/KeyUse.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Enum describing the allowed operations that can be performed with the given key.
+ */
+@Backing(type="int")
+enum KeyUse {
+    ENCRYPT = 1,
+    DECRYPT = 2,
+    ENCRYPT_DECRYPT = ENCRYPT | DECRYPT,
+    SIGN = 4,
+    DERIVE = 8,
+    WRAP = 16,
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl
new file mode 100644
index 0000000..5b90d9c
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/MemoryBufferReference.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Structure representing a section of a memory buffer.
+ */
+parcelable MemoryBufferReference {
+    /*
+     * Start of the memory buffer section measured from the start of the memory buffer set for this
+     * operation.
+     */
+    int startOffset;
+
+    /*
+     * Total size of the memory buffer section.
+     */
+    int sizeBytes;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationData.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationData.aidl
new file mode 100644
index 0000000..642d05e
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationData.aidl
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+import android.hardware.security.see.hwcrypto.types.MemoryBufferReference;
+
+/*
+ * Union holding buffers to be used by the cryptographic operation.
+ */
+union OperationData {
+    /*
+     * Reference (offset, size) to the active operations' MemoryBuffer.
+     */
+    MemoryBufferReference memoryBufferReference;
+
+    /*
+     * Vector of data to use for the operation.
+     */
+    byte[] dataBuffer;
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationType.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationType.aidl
new file mode 100644
index 0000000..76878a3
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/OperationType.aidl
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+/*
+ * Enum describing the different types of operations allowed on a buffer.
+ */
+enum OperationType {
+    READ,
+    WRITE,
+}
diff --git a/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/Void.aidl b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/Void.aidl
new file mode 100644
index 0000000..f9f608d
--- /dev/null
+++ b/staging/security/see/hwcrypto/aidl/android/hardware/security/see/hwcrypto/types/Void.aidl
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2024 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.hardware.security.see.hwcrypto.types;
+
+parcelable Void {}