add rand_core trait to functions that require fill_bytes()

services/pddb/Cargo.toml

@@ -29,6 +29,7 @@ aes-gcm-siv = {version = "0.11.1", default-features = false, features = ["alloc"
 llio = {path="../llio"}
 subtle = {version = "2.4.1", default-features = false}
 tts-frontend = {path="../tts"}
+rand_core = "0.5.1"
 
 # passwords
 sha2 = {path = "../engine-sha512"}

services/pddb/src/backend/trngpool.rs

@@ -2,6 +2,7 @@ use core::mem::size_of;
 use aes_gcm_siv::Nonce;
 use std::convert::TryInto;
 use core::cell::RefCell;
+use rand_core::RngCore;
 
 /// Crate-shared resource for TRNGs.
 pub(crate) struct TrngPool {

services/root-keys/Cargo.toml

@@ -25,6 +25,7 @@ num-derive = {version = "0.3.3", default-features = false}
 num-traits = {version = "0.2.14", default-features = false}
 rkyv = {version = "0.4.3", default-features = false, features = ["const_generics"]}
 zeroize = "1.3.0"
+rand_core = "0.5.1"
 
 aes-kw = {version = "0.2.1", features = ["alloc"]}
 
@@ -63,6 +64,7 @@ engine-25519 = {path="../engine-25519"}
 byteorder = "1.4.3" # used by keywrap
 # hardware acceleration adaptations are inserted into a fork of the main branch.
 hex = {version = "0.4.3", default-features = false, features = []}
+
 [dependencies.curve25519-dalek]
 version = "3.1.0" # note this is patched to our fork in ./Cargo.toml
 default-features = false

services/root-keys/src/backups.rs

@@ -7,6 +7,7 @@ use aes_gcm_siv::{
 };
 use subtle::ConstantTimeEq;
 use crate::{BackupHeader, BackupOp};
+use rand_core::RngCore;
 
 const BACKUP_AAD: &'static str = "PDDB backup v0.1.0";
 

services/root-keys/src/implementation.rs

@@ -30,6 +30,7 @@ use core::cell::RefCell;
 use aes::Aes256;
 use aes::cipher::{KeyInit, BlockDecrypt, BlockEncrypt};
 use cipher::generic_array::GenericArray;
+use rand_core::RngCore;
 
 use crate::{SignatureResult, GatewareRegion, MetadataInFlash, UpdateType};