chore: split-out vault code from teepot in teepot-vault

Signed-off-by: Harald Hoyer <harald@matterlabs.dev>

crates/teepot-vault/src/tdx/mod.rs

@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (c) 2023-2025 Matter Labs
+
+//! Intel TDX helper functions.
+
+pub mod rtmr;
+
+pub use intel_tee_quote_verification_rs::Collateral;
+use tdx_attest_rs::{tdx_att_get_quote, tdx_attest_error_t, tdx_report_data_t};
+pub use teepot::sgx::tcblevel::{parse_tcb_levels, EnumSet, TcbLevel};
+use teepot::sgx::QuoteError;
+
+/// Get a TDX quote
+pub fn tgx_get_quote(report_data_bytes: &[u8; 64]) -> Result<Box<[u8]>, QuoteError> {
+    let mut tdx_report_data = tdx_report_data_t { d: [0; 64usize] };
+    tdx_report_data.d.copy_from_slice(report_data_bytes);
+
+    let (error, quote) = tdx_att_get_quote(Some(&tdx_report_data), None, None, 0);
+
+    if error == tdx_attest_error_t::TDX_ATTEST_SUCCESS {
+        if let Some(quote) = quote {
+            Ok(quote.into())
+        } else {
+            Err(QuoteError::TdxAttGetQuote {
+                msg: "tdx_att_get_quote: No quote returned".into(),
+                inner: error,
+            })
+        }
+    } else {
+        Err(error.into())
+    }
+}