diff --git a/Cargo.lock b/Cargo.lock
index 0888bad6..e4fd541a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2018,9 +2018,9 @@ dependencies = [
 
 [[package]]
 name = "rustls-webpki"
-version = "0.103.7"
+version = "0.103.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e10b3f4191e8a80e6b43eebabfac91e5dcecebb27a71f04e820c47ec41d314bf"
+checksum = "df33b2b81ac578cabaf06b89b0631153a3f416b0a886e8a7a1707fb51abbd1ef"
 dependencies = [
  "ring",
  "rustls-pki-types",
diff --git a/deps/spdm-rs b/deps/spdm-rs
index fd5f0355..2ff535b3 160000
--- a/deps/spdm-rs
+++ b/deps/spdm-rs
@@ -1 +1 @@
-Subproject commit fd5f0355cc7bcc6a0dddbb2fe58d80229da4ae5c
+Subproject commit 2ff535b36d583190efc08d030e648b82ca9b839a
diff --git a/deps/td-shim-AzCVMEmu/azcvm-extract-report/Cargo.lock b/deps/td-shim-AzCVMEmu/azcvm-extract-report/Cargo.lock
index e6d3ca38..3cc24c21 100644
--- a/deps/td-shim-AzCVMEmu/azcvm-extract-report/Cargo.lock
+++ b/deps/td-shim-AzCVMEmu/azcvm-extract-report/Cargo.lock
@@ -11,21 +11,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "anstream"
-version = "0.6.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43d5b281e737544384e969a5ccad3f1cdd24b48086a0fc1b2a5262a26b8f4f4a"
-dependencies = [
- "anstyle",
- "anstyle-parse 0.2.7",
- "anstyle-query",
- "anstyle-wincon",
- "colorchoice",
- "is_terminal_polyfill",
- "utf8parse",
-]
-
 [[package]]
 name = "anstream"
 version = "1.0.0"
@@ -33,7 +18,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "824a212faf96e9acacdbd09febd34438f8f711fb84e09a8916013cd7815ca28d"
 dependencies = [
  "anstyle",
- "anstyle-parse 1.0.0",
+ "anstyle-parse",
  "anstyle-query",
  "anstyle-wincon",
  "colorchoice",
@@ -47,15 +32,6 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5192cca8006f1fd4f7237516f40fa183bb07f8fbdfedaa0036de5ea9b0b45e78"
 
-[[package]]
-name = "anstyle-parse"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
-dependencies = [
- "utf8parse",
-]
-
 [[package]]
 name = "anstyle-parse"
 version = "1.0.0"
@@ -285,7 +261,7 @@ version = "4.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "714a53001bf66416adb0e2ef5ac857140e7dc3a0c48fb28b2f10762fc4b5069f"
 dependencies = [
- "anstream 1.0.0",
+ "anstream",
  "anstyle",
  "clap_lex",
  "strsim",
@@ -408,11 +384,11 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.11.9"
+version = "0.11.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2daee4ea451f429a58296525ddf28b45a3b64f1acf6587e2067437bb11e218d"
+checksum = "0621c04f2196ac3f488dd583365b9c09be011a4ab8b9f37248ffcc8f6198b56a"
 dependencies = [
- "anstream 0.6.21",
+ "anstream",
  "anstyle",
  "env_filter",
  "jiff",
@@ -624,22 +600,22 @@ checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
 
 [[package]]
 name = "jiff"
-version = "0.2.15"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be1f93b8b1eb69c77f24bbb0afdf66f54b632ee39af40ca21c4365a1d7347e49"
+checksum = "1a3546dc96b6d42c5f24902af9e2538e82e39ad350b0c766eb3fbf2d8f3d8359"
 dependencies = [
  "jiff-static",
  "log",
  "portable-atomic",
  "portable-atomic-util",
- "serde",
+ "serde_core",
 ]
 
 [[package]]
 name = "jiff-static"
-version = "0.2.15"
+version = "0.2.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03343451ff899767262ec32146f6d559dd759fdadf42ff0e227c7c48f72594b4"
+checksum = "2a8c8b344124222efd714b73bb41f8b5120b27a7cc1c75593a6ff768d9d05aa4"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/sh_script/preparation.sh b/sh_script/preparation.sh
index cef4afbb..64ce2f9f 100755
--- a/sh_script/preparation.sh
+++ b/sh_script/preparation.sh
@@ -5,6 +5,12 @@ preparation() {
     bash sh_script/preparation.sh
     popd
 
+    # Apply spdm-rs ring patches to td-shim's ring (used via [patch.crates-io])
+    pushd deps/td-shim/library/ring
+    git apply ../../../spdm-rs/external/patches/ring/0003-introduce-EphemeralPrivateKey-serialization.patch
+    git apply ../../../spdm-rs/external/patches/ring/0004-Introduce-digest-de-serialization.patch
+    popd
+
     pushd deps/spdm-rs
     bash sh_script/pre-build.sh
     popd
diff --git a/src/migtd/src/spdm/spdm_req.rs b/src/migtd/src/spdm/spdm_req.rs
index d4cc13e0..164a6c31 100644
--- a/src/migtd/src/spdm/spdm_req.rs
+++ b/src/migtd/src/spdm/spdm_req.rs
@@ -187,7 +187,11 @@ pub async fn send_and_receive_pub_key(spdm_requester: &mut RequesterContext) ->
 
     let mut receive_buffer = [0u8; config::MAX_SPDM_MSG_SIZE];
     let response = spdm_requester
-        .send_spdm_vendor_defined_request_ex(None, &send_buffer[..used], &mut receive_buffer)
+        .send_receive_spdm_vendor_defined_request_ex(
+            None,
+            &send_buffer[..used],
+            &mut receive_buffer,
+        )
         .await?;
 
     // Format checks and save the received public key
@@ -413,7 +417,11 @@ pub async fn send_and_receive_sdm_migration_attest_info(
 
     let mut receive_buffer = [0u8; config::MAX_SPDM_MSG_SIZE];
     let response = spdm_requester
-        .send_spdm_vendor_defined_request_ex(None, &send_buffer[..send_used], &mut receive_buffer)
+        .send_receive_spdm_vendor_defined_request_ex(
+            None,
+            &send_buffer[..send_used],
+            &mut receive_buffer,
+        )
         .await?;
 
     //Format checks
@@ -733,7 +741,7 @@ async fn send_and_receive_sdm_exchange_migration_info(
 
     let mut receive_buffer = [0u8; config::MAX_SPDM_MSG_SIZE];
     let response = spdm_requester
-        .send_spdm_vendor_defined_request_ex(
+        .send_receive_spdm_vendor_defined_request_ex(
             session_id,
             &send_buffer[..send_used],
             &mut receive_buffer,
@@ -1017,7 +1025,11 @@ pub async fn send_and_receive_sdm_rebind_attest_info(
 
     let mut receive_buffer = [0u8; config::MAX_SPDM_MSG_SIZE];
     let response = spdm_requester
-        .send_spdm_vendor_defined_request_ex(None, &send_buffer[..send_used], &mut receive_buffer)
+        .send_receive_spdm_vendor_defined_request_ex(
+            None,
+            &send_buffer[..send_used],
+            &mut receive_buffer,
+        )
         .await?;
 
     //Format checks
@@ -1219,7 +1231,7 @@ pub async fn send_and_receive_sdm_rebind_info(
 
     let mut receive_buffer = [0u8; config::MAX_SPDM_MSG_SIZE];
     let response = spdm_requester
-        .send_spdm_vendor_defined_request_ex(
+        .send_receive_spdm_vendor_defined_request_ex(
             session_id,
             &send_buffer[..send_used],
             &mut receive_buffer,