diff --git a/rcgen/src/key_pair.rs b/rcgen/src/key_pair.rs
index b1d41f25..3e039723 100644
--- a/rcgen/src/key_pair.rs
+++ b/rcgen/src/key_pair.rs
@@ -690,9 +690,12 @@ impl<T> ExternalError<T> for Result<T, pem::PemError> {
 	}
 }
 
-pub(crate) trait PublicKeyData {
+/// The public key data of a key pair
+pub trait PublicKeyData {
+	/// The public key in DER format
 	fn der_bytes(&self) -> &[u8];
 
+	/// The algorithm used by the key pair
 	fn algorithm(&self) -> &SignatureAlgorithm;
 }
 
diff --git a/rcgen/src/lib.rs b/rcgen/src/lib.rs
index 0caecbeb..4a1c18bc 100644
--- a/rcgen/src/lib.rs
+++ b/rcgen/src/lib.rs
@@ -58,7 +58,7 @@ pub use crl::{
 };
 pub use csr::{CertificateSigningRequest, CertificateSigningRequestParams, PublicKey};
 pub use error::{Error, InvalidAsn1String};
-use key_pair::PublicKeyData;
+pub use key_pair::PublicKeyData;
 #[cfg(all(feature = "crypto", feature = "aws_lc_rs"))]
 pub use key_pair::RsaKeySize;
 pub use key_pair::{KeyPair, RemoteKeyPair};