From f9f3c41a7c13177b46f33492b1d693109b112b12 Mon Sep 17 00:00:00 2001
From: Tony Arcieri <bascule@gmail.com>
Date: Fri, 7 Oct 2022 10:08:30 -0600
Subject: [PATCH] Add `RsaPublicKey::new_unchecked`

Constructor for `RsaPublicKey` which bypasses all checks around the
modulus and public exponent size.
---
 src/key.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/key.rs b/src/key.rs
index ab3351c..b43434d 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -250,10 +250,20 @@ impl RsaPublicKey {
 
     /// Create a new public key from its components.
     pub fn new_with_max_size(n: BigUint, e: BigUint, max_size: usize) -> Result<Self> {
-        let k = RsaPublicKey { n, e };
+        let k = Self { n, e };
         check_public_with_max_size(&k, max_size)?;
         Ok(k)
     }
+
+    /// Create a new public key, bypassing checks around the modulus and public
+    /// exponent size.
+    ///
+    /// This method is not recommended, and only intended for unusual use cases.
+    /// Most applications should use [`RsaPublicKey::new`] or
+    /// [`RsaPublicKey::new_with_max_size`] instead.
+    pub fn new_unchecked(n: BigUint, e: BigUint) -> Self {
+        Self { n, e }
+    }
 }
 
 impl PublicKeyParts for RsaPrivateKey {