Use copy_out_vec_le instead of explicit loop in SHA-3 and Keccak

2 files changed, 2 insertions, 4 deletions

diff --git a/src/lib/hash/keccak/keccak.cpp b/src/lib/hash/keccak/keccak.cpp
index a4d4cef7d..f79a7f3ce 100644
--- a/src/lib/hash/keccak/keccak.cpp
+++ b/src/lib/hash/keccak/keccak.cpp
@@ -59,8 +59,7 @@ void Keccak_1600::final_result(uint8_t output[])
    * We never have to run the permutation again because we only support
    * limited output lengths
    */
-   for(size_t i = 0; i != m_output_bits/8; ++i)
-      output[i] = get_byte(7 - (i % 8), m_S[i/8]);
+   copy_out_vec_le(output, m_output_bits/8, m_S);
 
    clear();
    }
diff --git a/src/lib/hash/sha3/sha3.cpp b/src/lib/hash/sha3/sha3.cpp
index 0fd980b33..d1d3f7d2e 100644
--- a/src/lib/hash/sha3/sha3.cpp
+++ b/src/lib/hash/sha3/sha3.cpp
@@ -227,8 +227,7 @@ void SHA_3::final_result(uint8_t output[])
    * We never have to run the permutation again because we only support
    * limited output lengths
    */
-   for(size_t i = 0; i != m_output_bits/8; ++i)
-      output[i] = get_byte(7 - (i % 8), m_S[i/8]);
+   copy_out_vec_le(output, m_output_bits/8, m_S);
 
    clear();
    }