feat: byte_to_pem

src/pkiutil.rs

@@ -6,6 +6,14 @@ use sequoia_openpgp::crypto::mpi::PublicKey;
 
 use crate::digest::sha256_bytes;
 
+pub fn bytes_to_pem<T>(tag: &str, contents: T) -> String where T: Into<Vec<u8>> {
+    let cert_public_key_pem_obj = Pem {
+        tag: tag.to_string(),
+        contents: contents.into(),
+    };
+    pem::encode(&cert_public_key_pem_obj).trim().to_string()
+}
+
 pub fn sequoia_openpgp_public_key_pem(public_key: &PublicKey) -> Option<(Vec<u8>, String)> {
     match public_key {
         PublicKey::RSA { e, n } => {
@@ -37,9 +45,5 @@ fn internal_rsa_public_key_pem(n: &[u8], e: &[u8]) -> (Vec<u8>, String) {
     );
     let rsa_pub_key_bytes = rsa_pub_key.unwrap().public_key_to_der().unwrap();
     let rsa_pub_key_bytes_sha256 = sha256_bytes(&rsa_pub_key_bytes);
-    let pub_key_pem_obj = Pem {
-        tag: String::from("PUBLIC KEY"),
-        contents: rsa_pub_key_bytes,
-    };
-    (rsa_pub_key_bytes_sha256, pem::encode(&pub_key_pem_obj))
+    (rsa_pub_key_bytes_sha256, bytes_to_pem("PUBLIC KEY", rsa_pub_key_bytes))
 }