no-std compatible cryptodumb-no-std

1 files changed, 4 insertions, 1 deletions

diff --git a/src/crypto.rs b/src/crypto.rs
index acbb464..034e9cc 100644
--- a/src/crypto.rs
+++ b/src/crypto.rs
@@ -6,7 +6,7 @@ use aes::Aes128;
 use aes::cipher::{BlockDecrypt, BlockEncrypt, generic_array::GenericArray};
 use bytes::{Buf, BufMut, Bytes, BytesMut};
 use curve25519_dalek::MontgomeryPoint;
-use ed25519_dalek::{VerifyingKey, hazmat::ExpandedSecretKey};
+use ed25519_dalek::{SigningKey, VerifyingKey, hazmat::ExpandedSecretKey};
 use hmac::{Hmac, Mac};
 use sha2::Sha256;
 
@@ -82,6 +82,7 @@ impl Clone for PrivateKey {
 
 impl Default for PrivateKey {
     fn default() -> Self {
+        /*
         // To make a key whole-cloth, we need to start with a SigningKey made
         // using a good RNG.  Then we can use that to make an ExpandedSecretKey.
         use ed25519_dalek::SigningKey;
@@ -95,6 +96,8 @@ impl Default for PrivateKey {
         // Then, there are only a few constructors for making an ExpandedSecretKey.
         // Meshcore uses this kind of key, so it's what we need in this application,
         // but it's an uncommon formulation.
+        */
+        let signing_key = SigningKey::from_bytes(&[0u8; 32]);
         let esk = ExpandedSecretKey::from(&signing_key.to_bytes());
         Self(esk)
     }