diff --git a/Cargo.lock b/Cargo.lock
index c945b7f7805..8afb98060cb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3026,8 +3026,10 @@ dependencies = [
  "micro_rpc_build",
  "pbjson",
  "pbjson-build",
+ "pbjson-types",
  "prost",
  "prost-build",
+ "prost-types",
  "serde",
 ]
 
@@ -3207,10 +3209,12 @@ dependencies = [
  "oak_core",
  "oak_dice",
  "oak_linux_boot_params",
+ "oak_proto_rust",
  "oak_sev_guest",
  "oak_sev_snp_attestation_report",
  "oak_stage0_dice",
  "p256",
+ "prost",
  "rand_core",
  "sev_serial",
  "sha2",
@@ -3502,6 +3506,21 @@ dependencies = [
  "prost-types",
 ]
 
+[[package]]
+name = "pbjson-types"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "18f596653ba4ac51bdecbb4ef6773bc7f56042dc13927910de1684ad3d32aa12"
+dependencies = [
+ "bytes",
+ "chrono",
+ "pbjson",
+ "pbjson-build",
+ "prost",
+ "prost-build",
+ "serde",
+]
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -3811,7 +3830,7 @@ checksum = "c55e02e35260070b6f716a2423c2ff1c3bb1642ddca6f99e1f26d06268a0e2d2"
 dependencies = [
  "bytes",
  "heck",
- "itertools 0.10.5",
+ "itertools 0.11.0",
  "log",
  "multimap",
  "once_cell",
diff --git a/enclave_apps/Cargo.lock b/enclave_apps/Cargo.lock
index 5f78833ed07..3e7695b7902 100644
--- a/enclave_apps/Cargo.lock
+++ b/enclave_apps/Cargo.lock
@@ -897,6 +897,7 @@ dependencies = [
  "micro_rpc_build",
  "prost",
  "prost-build",
+ "prost-types",
 ]
 
 [[package]]
diff --git a/micro_rpc_workspace_test/Cargo.lock b/micro_rpc_workspace_test/Cargo.lock
index 3ab3c57123e..3d0e1d5a0ae 100644
--- a/micro_rpc_workspace_test/Cargo.lock
+++ b/micro_rpc_workspace_test/Cargo.lock
@@ -524,6 +524,7 @@ dependencies = [
  "micro_rpc_build",
  "prost",
  "prost-build",
+ "prost-types",
 ]
 
 [[package]]
diff --git a/oak_ml_transparency/runner/Cargo.lock b/oak_ml_transparency/runner/Cargo.lock
index 6c26de3f55e..a26a3e3de86 100644
--- a/oak_ml_transparency/runner/Cargo.lock
+++ b/oak_ml_transparency/runner/Cargo.lock
@@ -695,6 +695,7 @@ dependencies = [
  "micro_rpc_build",
  "prost",
  "prost-build",
+ "prost-types",
 ]
 
 [[package]]
diff --git a/oak_proto_rust/BUILD b/oak_proto_rust/BUILD
index dcc2507965f..45413c0bfc2 100644
--- a/oak_proto_rust/BUILD
+++ b/oak_proto_rust/BUILD
@@ -29,6 +29,7 @@ rust_library(
         ":build",
         "//micro_rpc",
         "@oak_crates_index//:prost",
+        "@oak_crates_index//:prost-types",
     ],
 )
 
@@ -45,6 +46,7 @@ cargo_build_script(
         "//proto/attestation:attachment_proto",
         "//proto/attestation:dice_proto",
         "//proto/attestation:endorsement_proto",
+        "//proto/attestation:eventlog_proto",
         "//proto/attestation:evidence_proto",
         "//proto/attestation:expected_value_proto",
         "//proto/attestation:reference_value_proto",
diff --git a/oak_proto_rust/Cargo.toml b/oak_proto_rust/Cargo.toml
index 345ed1614fe..59cf3543c12 100644
--- a/oak_proto_rust/Cargo.toml
+++ b/oak_proto_rust/Cargo.toml
@@ -9,7 +9,7 @@ default = []
 std = []
 # Generate code to support proto3 JSON mappings with serde, allowing protos to
 # be serialized to JSON.
-json = ["pbjson", "pbjson-build", "serde", "std"]
+json = ["pbjson", "pbjson-types", "pbjson-build", "serde", "std"]
 
 [dependencies]
 micro_rpc = { workspace = true }
@@ -17,7 +17,9 @@ prost = { workspace = true, default-features = false, features = [
   "prost-derive",
 ] }
 pbjson = { version = "*", optional = true }
+pbjson-types = { version = "*", optional = true }
 serde = { version = "*", features = ["derive"], optional = true }
+prost-types = { version = "*", default-features = false }
 
 [build-dependencies]
 micro_rpc_build = { workspace = true }
diff --git a/oak_proto_rust/build.rs b/oak_proto_rust/build.rs
index 6df774a999d..3d2cbfe2438 100644
--- a/oak_proto_rust/build.rs
+++ b/oak_proto_rust/build.rs
@@ -14,6 +14,24 @@
 // limitations under the License.
 //
 
+const INCLUDED_PROTOS: [&str; 13] = [
+    "..",
+    // We need to include the well-known protos ourselves
+    // From: https://github.com/grpc/grpc/blob/cac1f2727e6975d6bb7426898c97916faa91bdaa/bazel/protobuf.bzl#L21C1-L21C24
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/any_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/api_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/compiler_plugin_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/descriptor_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/duration_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/empty_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/field_mask_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/source_context_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/struct_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/timestamp_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/type_proto",
+    "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/wrappers_proto",
+];
+
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let proto_paths = [
         "../proto/crypto/crypto.proto",
@@ -21,6 +39,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         "../proto/attestation/dice.proto",
         "../proto/attestation/endorsement.proto",
         "../proto/attestation/expected_value.proto",
+        "../proto/attestation/eventlog.proto",
         "../proto/attestation/evidence.proto",
         "../proto/attestation/reference_value.proto",
         "../proto/attestation/verification.proto",
@@ -36,6 +55,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     config.btree_map(["."]);
 
+    println!("cargo:rerun-if-env-changed=CARGO_FEATURE_JSON");
+
     #[cfg(feature = "json")]
     let descriptor_path =
         std::path::PathBuf::from(std::env::var("OUT_DIR").expect("could not get OUT_DIR"))
@@ -49,14 +70,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .compile_well_known_types()
         .extern_path(".google.protobuf", "::pbjson_types");
 
-    config
-        .compile_protos(&proto_paths, &[
-            "..",
-            // We need to include the well-known protos ourselves
-            "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/empty_proto",
-            "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/descriptor_proto",
-        ])
-        .expect("proto compilation failed");
+    config.compile_protos(&proto_paths, &INCLUDED_PROTOS).expect("proto compilation failed");
 
     #[cfg(feature = "json")]
     pbjson_build::Builder::new()
@@ -68,11 +82,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     micro_rpc_build::compile(
         &["../proto/oak_functions/testing.proto", "../proto/crypto/crypto.proto"],
-        &[
-            "..",
-            // We need to include the well-known protos ourselves
-            "../external/com_google_protobuf/src/google/protobuf/_virtual_imports/descriptor_proto",
-        ],
+        &INCLUDED_PROTOS,
         Default::default(),
     );
 
diff --git a/oak_proto_rust/src/lib.rs b/oak_proto_rust/src/lib.rs
index 89cec889b96..49eed2e77f9 100644
--- a/oak_proto_rust/src/lib.rs
+++ b/oak_proto_rust/src/lib.rs
@@ -1,3 +1,4 @@
+//
 // Copyright 2024 The Project Oak Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -41,6 +42,28 @@ pub mod oak {
     pub mod attestation {
         pub mod v1 {
             include_proto!("oak.attestation.v1");
+            extern crate alloc;
+            use alloc::{format, string::String};
+
+            use prost::Name;
+
+            const PACKAGE: &str = "oak.attestation.v1";
+
+            /// Compute the type URL for the given `oak.attestation.v1` type,
+            /// using `type.googleapis.com` as the authority for the
+            /// URL.
+            fn type_url_for<T: Name>() -> String {
+                format!("type.googleapis.com/{}.{}", T::PACKAGE, T::NAME)
+            }
+
+            impl Name for Stage0Measurements {
+                const PACKAGE: &'static str = PACKAGE;
+                const NAME: &'static str = "Stage0";
+
+                fn type_url() -> String {
+                    type_url_for::<Self>()
+                }
+            }
         }
     }
 
@@ -70,3 +93,31 @@ pub mod oak {
         }
     }
 }
+
+/// Well known proto messages use a different type depending on whether JSON
+/// mappings are enabled. This can cause type checking issues when this crate
+/// is used. To address this we export relevant utilites whose implementation
+/// depends on which feature is set for this crate.
+/// This is similiar to the approach taken by serde for an analogous issue: https://docs.rs/serde/1.0.186/src/serde/integer128.rs.html#71-75
+pub mod well_known {
+    // Copied implementation from prost types: https://github.com/tokio-rs/prost/blob/d42c85e790263f78f6c626ceb0dac5fda0edcb41/prost-types/src/any.rs#L4
+    // as pbjson-types's Any does not implenment a similiar function.
+    #[cfg(feature = "json")]
+    pub fn any_from_msg<M>(msg: &M) -> Result<pbjson_types::Any, prost::EncodeError>
+    where
+        M: prost::Name,
+    {
+        let type_url = M::type_url();
+        let mut value = Vec::new();
+        prost::Message::encode(msg, &mut value)?;
+        Ok(pbjson_types::Any { type_url, value: value.into() })
+    }
+
+    #[cfg(not(feature = "json"))]
+    pub fn any_from_msg<M>(msg: &M) -> Result<prost_types::Any, prost::EncodeError>
+    where
+        M: prost::Name,
+    {
+        prost_types::Any::from_msg(msg)
+    }
+}
diff --git a/oak_restricted_kernel_bin/Cargo.lock b/oak_restricted_kernel_bin/Cargo.lock
index 3893fda9785..5dbeb3212b4 100644
--- a/oak_restricted_kernel_bin/Cargo.lock
+++ b/oak_restricted_kernel_bin/Cargo.lock
@@ -736,6 +736,7 @@ dependencies = [
  "micro_rpc_build",
  "prost",
  "prost-build",
+ "prost-types",
 ]
 
 [[package]]
diff --git a/proto/attestation/BUILD b/proto/attestation/BUILD
index c988b9abb1c..343c637e759 100644
--- a/proto/attestation/BUILD
+++ b/proto/attestation/BUILD
@@ -146,6 +146,17 @@ java_proto_library(
     deps = [":verification_proto"],
 )
 
+proto_library(
+    name = "eventlog_proto",
+    srcs = ["eventlog.proto"],
+    deps = ["@com_google_protobuf//:any_proto"],
+)
+
+cc_proto_library(
+    name = "eventlog_cc_proto",
+    deps = [":eventlog_proto"],
+)
+
 build_test(
     name = "build_test",
     targets = [
@@ -155,6 +166,8 @@ build_test(
         ":dice_proto",
         ":dice_cc_proto",
         ":dice_java_proto",
+        ":eventlog_proto",
+        ":eventlog_cc_proto",
         ":endorsement_proto",
         ":endorsement_cc_proto",
         ":endorsement_java_proto",
diff --git a/proto/attestation/eventlog.proto b/proto/attestation/eventlog.proto
new file mode 100644
index 00000000000..005a83dffc4
--- /dev/null
+++ b/proto/attestation/eventlog.proto
@@ -0,0 +1,60 @@
+//
+// Copyright 2024 The Project Oak Authors
+//
+// 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.
+//
+
+syntax = "proto3";
+
+package oak.attestation.v1;
+
+import "google/protobuf/any.proto";
+
+option go_package = "proto/oak/attestation/v1";
+option java_multiple_files = true;
+option java_package = "com.google.oak.attestation.v1";
+
+// All the related measurements for Stage 0.
+message Stage0Measurements {
+  // Kernel setup data digest.
+  bytes setup_data_digest = 1;
+  // Kernel digest.
+  bytes kernel_measurement = 2;
+  // Initial RAM disk digest.
+  bytes ram_disk_digest = 3;
+  // E820 table digest.
+  bytes memory_map_digest = 4;
+  // ACPI table generation digest
+  bytes acpi_digest = 5;
+  // Kernel Command line.
+  string kernel_cmdline = 6;
+}
+
+// Represents an event intended for inclusion in attestation.
+// For example, in an attested measured boot, each event is a reference to the
+// code identity of the boot layer being launched next.
+// An Event message contain what's necessary for an attestation verifier to
+// verify the Event against a Reference Value.
+// TODO: b/333748757 - Make other CB layers use this definition.
+message Event {
+  // Represents what is contained in the event. For example, the tag for
+  // TaskConfig for the Layer 2 is "layer2".
+  // TODO: b/333748757 - Consider making the tag a UUID instead of string.
+  string tag = 1;
+  google.protobuf.Any event = 2;
+}
+
+// A sequence of Events intended for inclusion in attestation evidence.
+message EventLog {
+  repeated Event events = 1;
+}
diff --git a/stage0/Cargo.toml b/stage0/Cargo.toml
index ab4a1950916..ea6fb587b10 100644
--- a/stage0/Cargo.toml
+++ b/stage0/Cargo.toml
@@ -17,9 +17,11 @@ oak_core = { path = "../oak_core", default-features = false }
 oak_dice = { workspace = true }
 oak_stage0_dice = { workspace = true }
 oak_linux_boot_params = { path = "../oak_linux_boot_params" }
+oak_proto_rust = { workspace = true }
 oak_sev_guest = { workspace = true, features = ["rust-crypto"] }
 oak_sev_snp_attestation_report = { workspace = true }
 p256 = { version = "*", default-features = false, features = ["ecdsa"] }
+prost = { version = "*", default-features = false, features = ["prost-derive"] }
 rand_core = { version = "*", default-features = false, features = [
   "getrandom",
 ] }
diff --git a/stage0/src/lib.rs b/stage0/src/lib.rs
index 01b4a3da56b..9b68e5559f1 100644
--- a/stage0/src/lib.rs
+++ b/stage0/src/lib.rs
@@ -21,14 +21,19 @@
 
 extern crate alloc;
 
-use alloc::{boxed::Box, format};
+use alloc::{boxed::Box, format, string::String, vec::Vec};
 use core::{arch::asm, ffi::c_void, mem::MaybeUninit, panic::PanicInfo};
 
 use linked_list_allocator::LockedHeap;
 use oak_core::sync::OnceCell;
 use oak_dice::evidence::{TeePlatform, DICE_DATA_CMDLINE_PARAM};
 use oak_linux_boot_params::{BootE820Entry, E820EntryType};
+use oak_proto_rust::{
+    oak::attestation::v1::{Event, EventLog, Stage0Measurements},
+    well_known::any_from_msg,
+};
 use oak_sev_guest::{io::PortFactoryWrapper, msr::SevStatus};
+use prost::Message;
 use sha2::{Digest, Sha256};
 use x86_64::{
     instructions::{hlt, interrupts::int3},
@@ -82,6 +87,8 @@ static SEV_CPUID: MaybeUninit<oak_sev_guest::cpuid::CpuidPage> = MaybeUninit::un
 /// We create an identity map for the first 1GiB of memory.
 const TOP_OF_VIRTUAL_MEMORY: u64 = Size1GiB::SIZE;
 
+const PAGE_SIZE: usize = 4096;
+
 static ENCRYPTED: OnceCell<u64> = OnceCell::new();
 
 extern "C" {
@@ -301,6 +308,18 @@ pub fn rust64_start(encrypted: u64) -> ! {
 
     let memory_map_sha2_256_digest = measure_byte_slice(zero_page.e820_table().as_bytes());
 
+    // Generate Stage0 Event Log data.
+    let stage0event = oak_proto_rust::oak::attestation::v1::Stage0Measurements {
+        kernel_measurement: kernel_info.measurement.as_bytes().to_vec(),
+        acpi_digest: acpi_sha2_256_digest.as_bytes().to_vec(),
+        memory_map_digest: memory_map_sha2_256_digest.as_bytes().to_vec(),
+        ram_disk_digest: ram_disk_sha2_256_digest.as_bytes().to_vec(),
+        setup_data_digest: setup_data_sha2_256_digest.as_bytes().to_vec(),
+        kernel_cmdline: cmdline.clone(),
+    };
+
+    let event_log_proto = generate_event_log(stage0event);
+
     log::debug!("Kernel image digest: sha2-256:{}", hex::encode(kernel_info.measurement));
     log::debug!("Kernel setup data digest: sha2-256:{}", hex::encode(setup_data_sha2_256_digest));
     log::debug!("Kernel command-line: {}", cmdline);
@@ -346,6 +365,23 @@ pub fn rust64_start(encrypted: u64) -> ! {
         E820EntryType::RESERVED,
     ));
 
+    // Write Eventlog data to memory.
+    let mut event_log = Vec::with_capacity_in(PAGE_SIZE, &crate::BOOT_ALLOC);
+    // Ensure that Eventlog is not too big. The 8 bytes are reserved for the size of
+    // the encoded eventlog proto.
+    assert!(event_log_proto.encoded_len() < PAGE_SIZE - 8);
+    // First copy the size of the encoded proto in Little Endian format. Then copy
+    // the actual EventLog.
+    event_log.extend_from_slice(event_log_proto.encoded_len().to_le_bytes().as_slice());
+    event_log.extend_from_slice(event_log_proto.encode_to_vec().as_bytes());
+    let event_log_data = event_log.leak();
+    // Reserve memory containing Eventlog Data.
+    zero_page.insert_e820_entry(BootE820Entry::new(
+        event_log_data.as_bytes().as_ptr() as usize,
+        PAGE_SIZE,
+        E820EntryType::RESERVED,
+    ));
+
     // Append the DICE data address to the kernel command-line.
     let extra = format!("--{DICE_DATA_CMDLINE_PARAM}={dice_data:p}");
     let cmdline = if kernel_info.kernel_type == KernelType::Elf {
@@ -414,3 +450,13 @@ fn io_port_factory() -> PortFactoryWrapper {
         PortFactoryWrapper::new_raw()
     }
 }
+
+fn generate_event_log(measurements: Stage0Measurements) -> EventLog {
+    let tag = String::from("Stage0");
+    let any = any_from_msg(&measurements);
+    let event = Event { tag, event: Some(any.unwrap()) };
+    log::info!("Any:{:?}", event.event.clone().unwrap());
+    let mut eventlog = EventLog::default();
+    eventlog.events.push(event);
+    eventlog
+}
diff --git a/stage0_bin/Cargo.lock b/stage0_bin/Cargo.lock
index d562052d637..c13ce524d0f 100644
--- a/stage0_bin/Cargo.lock
+++ b/stage0_bin/Cargo.lock
@@ -37,6 +37,32 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "anyhow"
+version = "1.0.82"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f538837af36e6f6a9be0faa67f9a314f8119e4e4b5867c6ab40ed60360142519"
+
+[[package]]
+name = "async-trait"
+version = "0.1.76"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "531b97fb4cd3dfdce92c35dedbfdc1f0b9d8091c8ca943d6dae340ef5012d514"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -82,6 +108,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "514de17de45fdb8dc022b1a7975556c53c86f9f0aa5f534b98977b171857c2c9"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -222,6 +254,12 @@ dependencies = [
  "signature",
 ]
 
+[[package]]
+name = "either"
+version = "1.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a47c1c47d2f5964e29c61246e81db715514cd532db6b5116a25ea3c03d6780a2"
+
 [[package]]
 name = "elf"
 version = "0.7.2"
@@ -246,6 +284,31 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "errno"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a258e46cdc063eb8519c00b9fc845fc47bcfca4130e2f08e88665ceda8474245"
+dependencies = [
+ "libc",
+ "windows-sys 0.52.0",
+]
+
+[[package]]
+name = "fastrand"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
+dependencies = [
+ "instant",
+]
+
 [[package]]
 name = "ff"
 version = "0.13.0"
@@ -256,6 +319,12 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -305,12 +374,24 @@ version = "1.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
 
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
 [[package]]
 name = "heck"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2540771e65fc8cb83cd6e8a237f70c319bd5c29f78ed1084ba5d50eeac86f7f9"
 
+[[package]]
+name = "hermit-abi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -335,6 +416,16 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "indexmap"
+version = "2.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
 [[package]]
 name = "inout"
 version = "0.1.3"
@@ -344,6 +435,35 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
+dependencies = [
+ "cfg-if",
+]
+
+[[package]]
+name = "io-lifetimes"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eae7b9aee968036d54dce06cebaefd919e4472e753296daccd6d344e3e2df0c2"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.144"
@@ -359,6 +479,12 @@ dependencies = [
  "spinning_top",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef53942eb7bf7ff43a617b3e2c1c4a5ecf5944a7c1bc12d7ee39bbb15e5c1519"
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -378,6 +504,35 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "memchr"
+version = "2.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
+
+[[package]]
+name = "micro_rpc"
+version = "0.1.0"
+dependencies = [
+ "async-trait",
+ "micro_rpc_build",
+ "prost",
+]
+
+[[package]]
+name = "micro_rpc_build"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "prost-build",
+]
+
+[[package]]
+name = "multimap"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "defc4c55412d89136f966bbb339008b474350e5e6e78d2714439c386b3137a03"
+
 [[package]]
 name = "oak_core"
 version = "0.1.0"
@@ -414,6 +569,17 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "oak_proto_rust"
+version = "0.0.1"
+dependencies = [
+ "micro_rpc",
+ "micro_rpc_build",
+ "prost",
+ "prost-build",
+ "prost-types",
+]
+
 [[package]]
 name = "oak_sev_guest"
 version = "0.1.0"
@@ -434,7 +600,7 @@ dependencies = [
 name = "oak_sev_snp_attestation_report"
 version = "0.0.0"
 dependencies = [
- "bitflags 1.3.2",
+ "bitflags 2.4.0",
  "static_assertions",
  "strum",
  "zerocopy",
@@ -454,10 +620,12 @@ dependencies = [
  "oak_core",
  "oak_dice",
  "oak_linux_boot_params",
+ "oak_proto_rust",
  "oak_sev_guest",
  "oak_sev_snp_attestation_report",
  "oak_stage0_dice",
  "p256",
+ "prost",
  "rand_core",
  "sev_serial",
  "sha2",
@@ -491,6 +659,12 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "once_cell"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -509,6 +683,16 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "petgraph"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1d3afd2628e69da2be385eb6f2fd57c8ac7977ceeff6dc166ff1657b0e386a9"
+dependencies = [
+ "fixedbitset",
+ "indexmap",
+]
+
 [[package]]
 name = "polyval"
 version = "0.6.1"
@@ -521,6 +705,16 @@ dependencies = [
  "universal-hash",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
+dependencies = [
+ "proc-macro2",
+ "syn 2.0.38",
+]
+
 [[package]]
 name = "primeorder"
 version = "0.13.2"
@@ -539,6 +733,59 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0f5d036824e4761737860779c906171497f6d55681139d8312388f8fe398922"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80b776a1b2dc779f5ee0641f8ade0125bc1298dd41a9a0c16d8bd57b42d222b1"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "log",
+ "multimap",
+ "once_cell",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 2.0.38",
+ "tempfile",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19de2de2a00075bf566bee3bd4db014b11587e84184d3f7a791bc17f1a8e9e48"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.38",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3235c33eb02c1f1e212abdbe34c78b264b038fb58ca612664343271e36e55ffe"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.33"
@@ -557,6 +804,44 @@ dependencies = [
  "getrandom",
 ]
 
+[[package]]
+name = "redox_syscall"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
+dependencies = [
+ "bitflags 1.3.2",
+]
+
+[[package]]
+name = "regex"
+version = "1.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c117dbdfde9c8308975b6a18d71f3f385c89461f7b3fb054288ecf2a2058ba4c"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86b83b8b9847f9bf95ef68afb0b8e6cdb80f498442f5179a29fad448fcc1eaea"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "adad44e29e4c806119491a7f06f03de4d1af22c3a680dd47f1e6e179439d1f56"
+
 [[package]]
 name = "rfc6979"
 version = "0.4.0"
@@ -567,6 +852,20 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "rustix"
+version = "0.37.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fea8ca367a3a01fe35e6943c400addf443c0f57670e6ec51196f71a4b8762dd2"
+dependencies = [
+ "bitflags 1.3.2",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "rustversion"
 version = "1.0.9"
@@ -728,6 +1027,20 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "fastrand",
+ "redox_syscall",
+ "rustix",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -768,6 +1081,145 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "windows-sys"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
+dependencies = [
+ "windows-targets 0.48.5",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets 0.52.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
+dependencies = [
+ "windows_aarch64_gnullvm 0.48.5",
+ "windows_aarch64_msvc 0.48.5",
+ "windows_i686_gnu 0.48.5",
+ "windows_i686_msvc 0.48.5",
+ "windows_x86_64_gnu 0.48.5",
+ "windows_x86_64_gnullvm 0.48.5",
+ "windows_x86_64_msvc 0.48.5",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f0713a46559409d202e70e28227288446bf7841d3211583a4b53e3f6d96e7eb"
+dependencies = [
+ "windows_aarch64_gnullvm 0.52.5",
+ "windows_aarch64_msvc 0.52.5",
+ "windows_i686_gnu 0.52.5",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc 0.52.5",
+ "windows_x86_64_gnu 0.52.5",
+ "windows_x86_64_gnullvm 0.52.5",
+ "windows_x86_64_msvc 0.52.5",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7088eed71e8b8dda258ecc8bac5fb1153c5cffaf2578fc8ff5d61e23578d3263"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9985fd1504e250c615ca5f281c3f7a6da76213ebd5ccc9561496568a2752afb6"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88ba073cf16d5372720ec942a8ccbf61626074c6d4dd2e745299726ce8b89670"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87f4261229030a858f36b459e748ae97545d6f1ec60e5e0d6a3d32e0dc232ee9"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db3c2bf3d13d5b658be73463284eaf12830ac9a26a90c717b7f771dfe97487bf"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e4246f76bdeff09eb48875a0fd3e2af6aada79d409d33011886d3e1581517d9"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852298e482cd67c356ddd9570386e2862b5673c85bd5f88df9ab6802b334c596"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.48.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0"
+
 [[package]]
 name = "x86_64"
 version = "0.14.10"