diff options
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecP256R1Field.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecP256R1Field.cs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecP256R1Field.cs b/crypto/src/math/ec/custom/sec/SecP256R1Field.cs index cc2fe4866..aeb6f52fc 100644 --- a/crypto/src/math/ec/custom/sec/SecP256R1Field.cs +++ b/crypto/src/math/ec/custom/sec/SecP256R1Field.cs @@ -98,8 +98,10 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec const long n = 6; + t0 -= n; + long cc = 0; - cc += (long)xx[0] + t0 - t3 - t5 - n; + cc += (long)xx[0] + t0 - t3 - t5; z[0] = (uint)cc; cc >>= 32; cc += (long)xx[1] + t1 - t4 - t6; @@ -108,7 +110,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec cc += (long)xx[2] + t2 - t5 - xx15; z[2] = (uint)cc; cc >>= 32; - cc += (long)xx[3] + (t3 << 1) + xx13 - xx15 - t0 + n; + cc += (long)xx[3] + (t3 << 1) + xx13 - xx15 - t0; z[3] = (uint)cc; cc >>= 32; cc += (long)xx[4] + (t4 << 1) + xx14 - t1; @@ -117,7 +119,7 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec cc += (long)xx[5] + (t5 << 1) + xx15 - t2; z[5] = (uint)cc; cc >>= 32; - cc += (long)xx[6] + (t6 << 1) + t5 - t0 + n; + cc += (long)xx[6] + (t6 << 1) + t5 - t0; z[6] = (uint)cc; cc >>= 32; cc += (long)xx[7] + (xx15 << 1) + xx15 + xx08 - t2 - t4 - n; |