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| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2016-02-02 18:09:16 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2016-02-02 18:09:16 +0700 |
| commit | 745143a518d71a026e142007b6a4bc831e2ae13b (patch) | |
| tree | 3af4cc8143e8c2c2f85816443a0284e58d4baef6 /crypto/src/math/ec/custom/sec/SecP384R1Field.cs | |
| parent | Just check the final ReadByte return value (diff) | |
| download | BouncyCastle.NET-ed25519-745143a518d71a026e142007b6a4bc831e2ae13b.tar.xz | |
Additional temp values in reduction
Diffstat (limited to '')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP384R1Field.cs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP384R1Field.cs b/crypto/src/math/ec/custom/sec/SecP384R1Field.cs index 7820775ee..0780df3f0 100644 --- a/crypto/src/math/ec/custom/sec/SecP384R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP384R1Field.cs @@ -105,9 +105,10 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec long t4 = xx17 + xx21; long t5 = xx21 - xx23; long t6 = xx22 - xx23; + long t7 = t0 + t5; long cc = 0; - cc += (long)xx[0] + t0 + t5; + cc += (long)xx[0] + t7; z[0] = (uint)cc; cc >>= 32; cc += (long)xx[1] + xx23 - t0 + t1; @@ -116,10 +117,10 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec cc += (long)xx[2] - xx21 - t1 + t2; z[2] = (uint)cc; cc >>= 32; - cc += (long)xx[3] + t0 - t2 + t3 + t5; + cc += (long)xx[3] - t2 + t3 + t7; z[3] = (uint)cc; cc >>= 32; - cc += (long)xx[4] + xx16 + xx21 + t0 + t1 - t3 + t5; + cc += (long)xx[4] + xx16 + xx21 + t1 - t3 + t7; z[4] = (uint)cc; cc >>= 32; cc += (long)xx[5] - xx16 + t1 + t2 + t4; |