From 5e2a9ac467bbd2074d74ba15885fccd55ca8c11d Mon Sep 17 00:00:00 2001
From: DongHun Kwak <dh0128.kwak@samsung.com>
Date: Wed, 15 Mar 2023 16:32:14 +0900
Subject: [PATCH] Add feature

--cfg='feature="std"'
--cfg='feature="alloc"'
--cfg='feature="once_cell"'
---
 packaging/extern.patch   | 22 ++++++++++++++++++++++
 packaging/rust-ring.spec |  6 +++++-
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/packaging/extern.patch b/packaging/extern.patch
index d9effc8..104f6ec 100644
--- a/packaging/extern.patch
+++ b/packaging/extern.patch
@@ -49,3 +49,25 @@ index c3ca499..d947aa7 100644
          return Err(error::KeyRejected::wrong_algorithm());
      }
  
+diff --git a/src/rsa/padding.rs b/src/rsa/padding.rs
+index f6b4cf6..7f1c0ff 100644
+--- a/src/rsa/padding.rs
++++ b/src/rsa/padding.rs
+@@ -99,7 +99,7 @@ impl Verification for PKCS1 {
+         let mut calculated = [0u8; PUBLIC_KEY_PUBLIC_MODULUS_MAX_LEN];
+         let calculated = &mut calculated[..mod_bits.as_usize_bytes_rounded_up()];
+         pkcs1_encode(&self, m_hash, calculated);
+-        if m.read_bytes_to_end() != *calculated {
++        if m.read_bytes_to_end().as_slice_less_safe() != calculated {
+             return Err(error::Unspecified);
+         }
+         Ok(())
+@@ -388,7 +388,7 @@ impl Verification for PSS {
+         let h_prime = pss_digest(self.digest_alg, m_hash, salt);
+ 
+         // Step 14.
+-        if h_hash != *h_prime.as_ref() {
++        if h_hash.as_slice_less_safe() != h_prime.as_ref() {
+             return Err(error::Unspecified);
+         }
+ 
diff --git a/packaging/rust-ring.spec b/packaging/rust-ring.spec
index 5e84854..2a546f7 100644
--- a/packaging/rust-ring.spec
+++ b/packaging/rust-ring.spec
@@ -29,6 +29,8 @@ BuildRequires:  rust-once_cell
 BuildRequires:  rust-spin
 BuildRequires:  rust-untrusted
 
+Requires:  rust-libc
+
 # ==========================================================
 # dev-dependencies
 # ==========================================================
@@ -51,7 +53,9 @@ cp %{SOURCE1} .
  %{rustc_std_build} --crate-type=dylib \
          --crate-name=%{real_crate_name} \
          %{?rustc_edition:--edition=%{rustc_edition}} \
-         --cfg='feature="libc"' \
+         --cfg='feature="std"' \
+         --cfg='feature="alloc"' \
+         --cfg='feature="once_cell"' \
          --extern libc=%{_rust_dylibdir}/liblibc.so \
          ./src/lib.rs
 
-- 
2.7.4