1 files changed, 26 insertions, 0 deletions
diff --git a/crypto/src/pqc/crypto/cmce/CmceEngine.cs b/crypto/src/pqc/crypto/cmce/CmceEngine.cs
index 0d62b57ca..605770c3c 100644
--- a/crypto/src/pqc/crypto/cmce/CmceEngine.cs
+++ b/crypto/src/pqc/crypto/cmce/CmceEngine.cs
@@ -1475,6 +1475,19 @@ namespace Org.BouncyCastle.Pqc.Crypto.Cmce
c += 8;
}
}
+#else
+ {
+ byte maskByte = (byte)-mask;
+ int limit = (SYS_N / 8) - 4;
+ while (c <= limit)
+ {
+ mat_row[c + 0] ^= (byte)(mat_k[c + 0] & maskByte);
+ mat_row[c + 1] ^= (byte)(mat_k[c + 1] & maskByte);
+ mat_row[c + 2] ^= (byte)(mat_k[c + 2] & maskByte);
+ mat_row[c + 3] ^= (byte)(mat_k[c + 3] & maskByte);
+ c += 4;
+ }
+ }
#endif
{
byte maskByte = (byte)-mask;
@@ -1529,6 +1542,19 @@ namespace Org.BouncyCastle.Pqc.Crypto.Cmce
c += 8;
}
}
+#else
+ {
+ byte maskByte = (byte)-mask;
+ int limit = (SYS_N / 8) - 4;
+ while (c <= limit)
+ {
+ mat_k[c + 0] ^= (byte)(mat_row[c + 0] & maskByte);
+ mat_k[c + 1] ^= (byte)(mat_row[c + 1] & maskByte);
+ mat_k[c + 2] ^= (byte)(mat_row[c + 2] & maskByte);
+ mat_k[c + 3] ^= (byte)(mat_row[c + 3] & maskByte);
+ c += 4;
+ }
+ }
#endif
{
byte maskByte = (byte)-mask;
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