diff --git a/common/crypto/src/encryption/mod.rs b/common/crypto/src/encryption/mod.rs
index 4d94f06f4b..650e221f0e 100644
--- a/common/crypto/src/encryption/mod.rs
+++ b/common/crypto/src/encryption/mod.rs
@@ -43,13 +43,17 @@ impl PemStorableKeyPair for KeyPair {
     type PrivatePemKey = PrivateKey;
     type PublicPemKey = PublicKey;
 
-    fn private_pem_key(&self) -> &Self::PrivatePemKey {
+    fn private_key(&self) -> &Self::PrivatePemKey {
         self.private_key()
     }
 
-    fn public_pem_key(&self) -> &Self::PublicPemKey {
+    fn public_key(&self) -> &Self::PublicPemKey {
         self.public_key()
     }
+
+    fn from_bytes(priv_bytes: &[u8], pub_bytes: &[u8]) -> Self {
+        Self::from_bytes(priv_bytes, pub_bytes)
+    }
 }
 
 // COPY IS DERIVED ONLY TEMPORARILY UNTIL https://github.com/nymtech/nym/issues/47 is fixed
@@ -74,6 +78,10 @@ impl PemStorableKey for PrivateKey {
     fn pem_type(&self) -> String {
         String::from("X25519 PRIVATE KEY")
     }
+
+    fn to_bytes(&self) -> Vec<u8> {
+        self.to_bytes()
+    }
 }
 
 #[derive(Debug, Clone, Eq, PartialEq)]
@@ -102,4 +110,8 @@ impl PemStorableKey for PublicKey {
     fn pem_type(&self) -> String {
         String::from("X25519 PUBLIC KEY")
     }
+
+    fn to_bytes(&self) -> Vec<u8> {
+        self.to_bytes()
+    }
 }
diff --git a/common/crypto/src/identity/mod.rs b/common/crypto/src/identity/mod.rs
index b7fe294c78..4c1ea3cf75 100644
--- a/common/crypto/src/identity/mod.rs
+++ b/common/crypto/src/identity/mod.rs
@@ -40,13 +40,17 @@ impl PemStorableKeyPair for MixIdentityKeyPair {
     type PrivatePemKey = MixIdentityPrivateKey;
     type PublicPemKey = MixIdentityPublicKey;
 
-    fn private_pem_key(&self) -> &Self::PrivatePemKey {
+    fn private_key(&self) -> &Self::PrivatePemKey {
         self.private_key()
     }
 
-    fn public_pem_key(&self) -> &Self::PublicPemKey {
+    fn public_key(&self) -> &Self::PublicPemKey {
         self.public_key()
     }
+
+    fn from_bytes(priv_bytes: &[u8], pub_bytes: &[u8]) -> Self {
+        Self::from_bytes(priv_bytes, pub_bytes)
+    }
 }
 
 #[derive(Debug, Clone, Eq, PartialEq)]
@@ -82,6 +86,10 @@ impl PemStorableKey for MixIdentityPublicKey {
     fn pem_type(&self) -> String {
         format!("DUMMY KEY BASED ON {}", self.0.pem_type())
     }
+
+    fn to_bytes(&self) -> Vec<u8> {
+        self.to_bytes()
+    }
 }
 
 // COPY IS DERIVED ONLY TEMPORARILY UNTIL https://github.com/nymtech/nym/issues/47 is fixed
@@ -118,4 +126,8 @@ impl PemStorableKey for MixIdentityPrivateKey {
     fn pem_type(&self) -> String {
         format!("DUMMY KEY BASED ON {}", self.0.pem_type())
     }
+
+    fn to_bytes(&self) -> Vec<u8> {
+        self.to_bytes()
+    }
 }
diff --git a/common/crypto/src/lib.rs b/common/crypto/src/lib.rs
index f5401aead5..bb8a61b20c 100644
--- a/common/crypto/src/lib.rs
+++ b/common/crypto/src/lib.rs
@@ -1,17 +1,22 @@
 pub mod encryption;
 pub mod identity;
 
-// TODO: this trait will need to be moved elsewhere, probably to some 'persistence' crate
-// but since it will need to be used by all identities, it's not really appropriate if it lived in nym-client
+// TODO: ideally those trait should be moved to 'pemstore' crate, however, that would cause
+// circular dependency. The best solution would be to remove dependency on 'crypto' from
+// pemstore by using either dynamic dispatch or generics - perhaps this should be done
+// at some point during one of refactors.
 
 pub trait PemStorableKey {
     fn pem_type(&self) -> String;
+    fn to_bytes(&self) -> Vec<u8>;
 }
 
 pub trait PemStorableKeyPair {
     type PrivatePemKey: PemStorableKey;
     type PublicPemKey: PemStorableKey;
 
-    fn private_pem_key(&self) -> &Self::PrivatePemKey;
-    fn public_pem_key(&self) -> &Self::PublicPemKey;
+    fn private_key(&self) -> &Self::PrivatePemKey;
+    fn public_key(&self) -> &Self::PublicPemKey;
+
+    fn from_bytes(priv_bytes: &[u8], pub_bytes: &[u8]) -> Self;
 }