Merge pull request #95 from formosa-crypto/fix/fips202_4x_DIRTY

fips202_4x_DIRTY: t0 out of the loop
formosa-crypto · Oct 22, 2023 · be5fdff · be5fdff
2 parents 900ceec + 7193761
commit be5fdff
Showing 1 changed file with 4 additions and 8 deletions.
diff --git a/src/common/keccak/common/fips202_4x_DIRTY.jinc b/src/common/keccak/common/fips202_4x_DIRTY.jinc
@@ -11,11 +11,9 @@ fn _shake128_absorb4x_34(reg ptr u256[25] s, reg ptr u8[34] m0 m1 m2 m3) -> reg
   reg u16 t16;
 	reg u64 t64;
 
+  t0 = #set0_256();
   for i = 0 to 25
-  {
-    t0 = #set0_256();
-    s[i] = t0;
-  }
+  { s[i] = t0; }
 
 	for i = 0 to 4
   {
@@ -62,11 +60,9 @@ fn _shake256_absorb4x_33(reg ptr u256[25] s, reg ptr u8[33] m0 m1 m2 m3) -> reg
 	reg u64 t64;
   reg u8 t8;
 
+  t0 = #set0_256();
   for i = 0 to 25
-  {
-    t0 = #set0_256();
-    s[i] = t0;
-  }
+  { s[i] = t0; }
 
 	for i = 0 to 4
   {