diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-03-06 10:54:16 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2014-03-06 10:54:16 +0700 |
| commit | 974c5178fc0b4ffbdd0aed7c3c24d646b0e1af74 (patch) | |
| tree | 3af64e57a23bd5845102be9b43edbc7ab6f17f8d /crypto/src/math/ec/custom/sec/SecP224R1Field.cs | |
| parent | Avoid redundant subtraction (diff) | |
| download | BouncyCastle.NET-ed25519-974c5178fc0b4ffbdd0aed7c3c24d646b0e1af74.tar.xz | |
Minor improvement to reduction release-1.8.0-beta.2
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecP224R1Field.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP224R1Field.cs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs index 712d6a46d..3f9f79fc3 100644 --- a/crypto/src/math/ec/custom/sec/SecP224R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP224R1Field.cs @@ -97,8 +97,10 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec const long n = 1; + t0 -= n; + long cc = 0; - cc += (long)xx[0] - t0 + n; + cc += (long)xx[0] - t0; z[0] = (uint)cc; cc >>= 32; cc += (long)xx[1] - t1; @@ -107,7 +109,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec cc += (long)xx[2] - t2; z[2] = (uint)cc; cc >>= 32; - cc += (long)xx[3] + t0 - xx10 - n; + cc += (long)xx[3] + t0 - xx10; z[3] = (uint)cc; cc >>= 32; cc += (long)xx[4] + t1 - xx11; |