From a52f51ca97a526e7cc49f5521739222aa22d8b6d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gonz=C3=A1lez?=
 <tomasagustin.gonzalezorlando@arm.com>
Date: Wed, 14 Feb 2024 14:24:33 +0000
Subject: [PATCH] Add Parsec Basic Client
MIME-Version: 1.0
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Content-Transfer-Encoding: 8bit

Signed-off-by: Tomás González <tomasagustin.gonzalezorlando@arm.com>
---
 parsec-openssl-provider/Cargo.toml |  4 +++-
 parsec-openssl-provider/src/lib.rs | 20 +++++++++++++++-----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/parsec-openssl-provider/Cargo.toml b/parsec-openssl-provider/Cargo.toml
index 2a412583..07137e72 100644
--- a/parsec-openssl-provider/Cargo.toml
+++ b/parsec-openssl-provider/Cargo.toml
@@ -10,6 +10,8 @@ categories = ["cryptography", "hardware-support"]
 edition = "2021"
 
 [dependencies]
+lazy_static = "1.4.0"
+log = "0.4"
+parsec-client = { git = "https://github.com/parallaxsecond/parsec-client-rust", tag="0.16.0" }
 parsec-openssl2 = { path = "../parsec-openssl2" }
 openssl-errors = "0.2.0"
-log = "0.4"
diff --git a/parsec-openssl-provider/src/lib.rs b/parsec-openssl-provider/src/lib.rs
index 22c0bb96..8c35eaa6 100644
--- a/parsec-openssl-provider/src/lib.rs
+++ b/parsec-openssl-provider/src/lib.rs
@@ -1,9 +1,10 @@
 // Copyright 2023 Contributors to the Parsec project.
 // SPDX-License-Identifier: Apache-2.0
 use std::mem;
+use std::sync::Mutex;
 
-pub use parsec_openssl2::*;
 pub use openssl_errors::*;
+pub use parsec_openssl2::*;
 
 mod provider;
 use provider::*;
@@ -11,9 +12,17 @@ use provider::*;
 mod catch;
 use catch::r#catch;
 
-// The init function populates the dispatch table and returns a NULL pointer
-// to the provider context. This needs to be changed when key management and
-// crypto support is added to the provider.
+use parsec_client::error::Result as ClientResult;
+use parsec_client::BasicClient;
+
+const PROJECT_NAME: &str = env!("CARGO_PKG_NAME");
+
+lazy_static::lazy_static! {
+    static ref PARSEC_PROVIDER_CTX: Mutex<ClientResult<BasicClient>> = Mutex::new(BasicClient::new(Some(PROJECT_NAME.to_string())));
+}
+
+// The init function populates the dispatch table and returns a void pointer
+// to the provider context (which contains the parsec basic client).
 pub unsafe fn parsec_provider_provider_init(
     _handle: *const OSSL_CORE_HANDLE,
     _in_: *const OSSL_DISPATCH,
@@ -49,7 +58,8 @@ pub unsafe fn parsec_provider_provider_init(
     });
 
     *out = DISPATCH_TABLE.as_ptr();
-    *provctx = std::ptr::null_mut();
+    let ptr: *const Mutex<ClientResult<BasicClient>> = &*PARSEC_PROVIDER_CTX;
+    *provctx = ptr as VOID_PTR;
 
     Ok(())
 }