diff --git a/src/crypto/duniter_key.rs b/src/crypto/duniter_key.rs
index 4a3068166aee48677dc802e0f0896f37c138a5ae..69253a158a099af36940ad7c40264281d2d6c987 100644
--- a/src/crypto/duniter_key.rs
+++ b/src/crypto/duniter_key.rs
@@ -31,6 +31,14 @@ impl std::fmt::Display for DuniterKey {
 
 impl DuniterKey {
 
+    pub fn get_public_base58(&self) -> String {
+        bs58::encode(self.public).into_string()
+    }
+
+    pub fn get_secret_base58(&self) -> String {
+        bs58::encode(self.secret).into_string()
+    }
+
     pub fn sign(&self, message: &str) -> DuniterSignature {
         DuniterSignature::new(ed25519::signature(message.as_bytes(), &self.secret[..]))
     }
diff --git a/src/lib.rs b/src/lib.rs
index c1068db3b1d4e6bf640718f82a87f804699cdc8a..72795cdeef9f189042fd25a1bb1120d26f42c2bb 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,14 +4,11 @@ use crate::crypto::duniter_key::{DuniterKey, ToDuniterKey};
 use crate::crypto::scrypt_duniter_key::ScryptDuniterKey;
 
 pub fn compute_pub(sdk: impl ToDuniterKey) -> String {
-    String::from(sdk.derive().to_string().split(":").next().unwrap())
+    sdk.derive().get_public_base58()
 }
 
 pub fn compute_sec(sdk: impl ToDuniterKey) -> String {
-    let key_str = sdk.derive().to_string();
-    let mut split = key_str.split(":");
-    split.next();
-    String::from(split.next().unwrap())
+    sdk.derive().get_secret_base58()
 }
 
 pub fn compute_key(sdk: impl ToDuniterKey) -> String {