Added `fmt::Display` impls for `RsaPublicKey` & `RsaPrivateKey`

Fortune for cryptohelpers's current commit: Future small blessing − 末小吉

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cryptohelpers"
-version = "1.8.1"
+version = "1.8.2"
 license= "MIT"
 description = "Collection of helpers and simplifying functions for cryptography things"
 authors = ["Avril <flanchan@cumallover.me>"]
@@ -21,6 +21,7 @@ tokio = {version = "0.2", features=["io-util"], optional=true}
 serde_derive = {version = "1.0", optional = true}
 serde = {version = "1.0", optional = true}
 futures = {version = "0.3.8", optional=true}
+base64 = "0.13.0"
 
 [features]
 default = ["full", "async", "serialise"]

src/rsa/mod.rs

@@ -1,5 +1,6 @@
 //! RSA related thingies
 use super::*;
+use std::fmt;
 pub use openssl;
 
 use consts::RSA_PADDING as PADDING;

src/rsa/private.rs

@@ -59,6 +59,14 @@ pub struct RsaPrivateKey
     offset: PrivateOffsetGroup,
 }
 
+impl fmt::Display for RsaPrivateKey
+{
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
+    {
+	write!(f, "{}", base64::encode(&self.data[..]))
+    }
+}
+
 impl RsaPrivateKey
 {
     /// Generate a new RSA private key

src/rsa/public.rs

@@ -55,6 +55,14 @@ pub struct RsaPublicKey
     offset: PublicOffsetGroup,
 }
 
+impl fmt::Display for RsaPublicKey
+{
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
+    {
+	write!(f, "{}", base64::encode(&self.data[..]))
+    }
+}
+
 impl RsaPublicKey
 {
     /// Generate a new RSA public key (kinda useless, use `RsaPrivateKey::generate()`).