From f386b5ee2bbccfecf58e0e685a11c1acfa153b0b Mon Sep 17 00:00:00 2001
From: Suyash Bagad <suyash@aztecprotocol.com>
Date: Wed, 5 Apr 2023 16:15:40 +0100
Subject: [PATCH] fix. (#318)

---
 cpp/src/barretenberg/stdlib/encryption/ecdsa/ecdsa.hpp | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/cpp/src/barretenberg/stdlib/encryption/ecdsa/ecdsa.hpp b/cpp/src/barretenberg/stdlib/encryption/ecdsa/ecdsa.hpp
index 13a2aa92fe..e7562127a7 100644
--- a/cpp/src/barretenberg/stdlib/encryption/ecdsa/ecdsa.hpp
+++ b/cpp/src/barretenberg/stdlib/encryption/ecdsa/ecdsa.hpp
@@ -21,9 +21,13 @@ bool_t<Composer> verify_signature(const stdlib::byte_array<Composer>& message,
 template <typename Composer>
 static signature<Composer> from_witness(Composer* ctx, const crypto::ecdsa::signature& input)
 {
-    byte_array x(ctx, input.r);
-    byte_array y(ctx, input.s);
-    signature<Composer> out(x, y);
+    std::vector<uint8_t> r_vec(std::begin(input.r), std::end(input.r));
+    std::vector<uint8_t> s_vec(std::begin(input.s), std::end(input.s));
+    stdlib::byte_array<Composer> r(ctx, r_vec);
+    stdlib::byte_array<Composer> s(ctx, s_vec);
+    signature<Composer> out;
+    out.r = r;
+    out.s = s;
     return out;
 }