From cadeb552b31b3092eb205a4b5b1b1320719418c7 Mon Sep 17 00:00:00 2001
From: liushuai <770722922@qq.com>
Date: Wed, 9 Oct 2024 17:56:06 +0800
Subject: [PATCH 1/2] feat: add uncheck_modulus_size feature

---
 Cargo.toml | 1 +
 src/key.rs | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Cargo.toml b/Cargo.toml
index e7fa5ea0..58ba07e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -58,6 +58,7 @@ pem = ["pkcs1/pem", "pkcs8/pem"]
 pkcs5 = ["pkcs8/encryption"]
 u64_digit = ["num-bigint/u64_digit"]
 std = ["digest/std", "pkcs1/std", "pkcs8/std", "rand_core/std", "signature/std"]
+uncheck_modulus_size = []
 
 [package.metadata.docs.rs]
 features = ["std", "pem", "serde", "hazmat", "sha2"]
diff --git a/src/key.rs b/src/key.rs
index b7747d6f..9deae78b 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -504,6 +504,7 @@ pub fn check_public(public_key: &impl PublicKeyParts) -> Result<()> {
 /// Check that the public key is well formed and has an exponent within acceptable bounds.
 #[inline]
 fn check_public_with_max_size(public_key: &impl PublicKeyParts, max_size: usize) -> Result<()> {
+    #[cfg(not(feature = "uncheck_modulus_size"))]
     if public_key.n().bits() > max_size {
         return Err(Error::ModulusTooLarge);
     }

From c805a30740299230e9ea38a4718879205cf2256d Mon Sep 17 00:00:00 2001
From: liushuai <770722922@qq.com>
Date: Wed, 9 Oct 2024 18:32:49 +0800
Subject: [PATCH 2/2] feat: suppress unused warning

---
 src/key.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/key.rs b/src/key.rs
index 9deae78b..ff2107df 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -508,6 +508,8 @@ fn check_public_with_max_size(public_key: &impl PublicKeyParts, max_size: usize)
     if public_key.n().bits() > max_size {
         return Err(Error::ModulusTooLarge);
     }
+    #[cfg(feature = "uncheck_modulus_size")]
+    let _unused = max_size;
 
     let e = public_key
         .e()