From 655ba404337804b8856b0015718e8d3b6e1327c3 Mon Sep 17 00:00:00 2001
From: Arthur Gautier <arthur.gautier@arista.com>
Date: Sun, 9 Mar 2025 15:12:21 -0700
Subject: [PATCH] `ff` now uses `CryptoRng`

---
 Cargo.lock                | 4 ++--
 Cargo.toml                | 3 ++-
 elliptic-curve/src/dev.rs | 4 ++--
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 972a00a2..a99889ba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -248,7 +248,7 @@ dependencies = [
 [[package]]
 name = "ff"
 version = "0.13.0"
-source = "git+https://github.com/zkcrypto/ff.git?branch=release-0.14.0#1bb634588722b1b7ce986d239c263e332bedda7f"
+source = "git+https://github.com/baloo/ff.git?branch=baloo%2Fcrypto-rng#31c707d4e9bcd2bc49e465a0f08913a573a8884d"
 dependencies = [
  "bitvec",
  "ff_derive",
@@ -259,7 +259,7 @@ dependencies = [
 [[package]]
 name = "ff_derive"
 version = "0.13.0"
-source = "git+https://github.com/zkcrypto/ff.git?branch=release-0.14.0#1bb634588722b1b7ce986d239c263e332bedda7f"
+source = "git+https://github.com/baloo/ff.git?branch=baloo%2Fcrypto-rng#31c707d4e9bcd2bc49e465a0f08913a573a8884d"
 dependencies = [
  "addchain",
  "cfg-if",
diff --git a/Cargo.toml b/Cargo.toml
index 21a73466..01992392 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -28,7 +28,8 @@ crypto-bigint = { git = "https://github.com/RustCrypto/crypto-bigint.git" }
 # https://github.com/zkcrypto/ff/pull/122
 # https://github.com/zkcrypto/ff/pull/126
 # https://github.com/zkcrypto/ff/pull/127
-ff = { git = "https://github.com/zkcrypto/ff.git", branch = "release-0.14.0" }
+# https://github.com/zkcrypto/ff/pull/132
+ff = { git = "https://github.com/baloo/ff.git", branch = "baloo/crypto-rng" }
 
 # https://github.com/zkcrypto/group/pull/56
 group = { git = "https://github.com/pinkforest/group.git", branch = "bump-rand-0.9" }
diff --git a/elliptic-curve/src/dev.rs b/elliptic-curve/src/dev.rs
index 4f1c5881..cca8021d 100644
--- a/elliptic-curve/src/dev.rs
+++ b/elliptic-curve/src/dev.rs
@@ -10,7 +10,7 @@ use crate::{
     error::{Error, Result},
     ops::{Invert, LinearCombination, MulByGenerator, Reduce, ShrAssign},
     point::AffineCoordinates,
-    rand_core::{RngCore, TryRngCore},
+    rand_core::{RngCore, TryCryptoRng},
     scalar::{FromUintUnchecked, IsHigh},
     sec1::{CompressedPoint, FromEncodedPoint, ToEncodedPoint},
     subtle::{Choice, ConditionallySelectable, ConstantTimeEq, CtOption},
@@ -99,7 +99,7 @@ impl Field for Scalar {
     const ZERO: Self = Self(ScalarPrimitive::ZERO);
     const ONE: Self = Self(ScalarPrimitive::ONE);
 
-    fn try_from_rng<R: TryRngCore + ?Sized>(rng: &mut R) -> core::result::Result<Self, R::Error> {
+    fn try_from_rng<R: TryCryptoRng + ?Sized>(rng: &mut R) -> core::result::Result<Self, R::Error> {
         let mut bytes = FieldBytes::default();
 
         loop {