diff options
| -rw-r--r-- | crypto/src/math/ec/rfc8032/Ed25519.cs | 6 | ||||
| -rw-r--r-- | crypto/src/math/ec/rfc8032/Ed448.cs | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/crypto/src/math/ec/rfc8032/Ed25519.cs b/crypto/src/math/ec/rfc8032/Ed25519.cs index 8add3c48b..bf3a1a8d8 100644 --- a/crypto/src/math/ec/rfc8032/Ed25519.cs +++ b/crypto/src/math/ec/rfc8032/Ed25519.cs @@ -1714,6 +1714,12 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 int bit = 128; while (--bit >= 0) { + if (((int)ws_b[bit] | (int)ws_b[128 + bit] | (int)ws_p[bit] | (int)ws_q[bit]) != 0) + break; + } + + for (; bit >= 0; --bit) + { int wb = ws_b[bit]; if (wb != 0) { diff --git a/crypto/src/math/ec/rfc8032/Ed448.cs b/crypto/src/math/ec/rfc8032/Ed448.cs index 6eee639fe..54321e37d 100644 --- a/crypto/src/math/ec/rfc8032/Ed448.cs +++ b/crypto/src/math/ec/rfc8032/Ed448.cs @@ -1581,6 +1581,12 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 int bit = 225; while (--bit >= 0) { + if (((int)ws_b[bit] | (int)ws_b[225 + bit] | (int)ws_p[bit] | (int)ws_q[bit]) != 0) + break; + } + + for (; bit >= 0; --bit) + { int wb = ws_b[bit]; if (wb != 0) { |