diff options
Diffstat (limited to 'crypto/src/math/ec/custom/sec/SecT571Field.cs')
| -rw-r--r-- | crypto/src/math/ec/custom/sec/SecT571Field.cs | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/crypto/src/math/ec/custom/sec/SecT571Field.cs b/crypto/src/math/ec/custom/sec/SecT571Field.cs index 1b8bb763e..4d3f715fa 100644 --- a/crypto/src/math/ec/custom/sec/SecT571Field.cs +++ b/crypto/src/math/ec/custom/sec/SecT571Field.cs @@ -231,19 +231,11 @@ namespace Org.BouncyCastle.Math.EC.Custom.Sec { ulong[] evn = Nat576.Create64(), odd = Nat576.Create64(); - int pos = 0; - for (int i = 0; i < 4; ++i) - { - ulong u0 = Interleave.Unshuffle(x[pos++]); - ulong u1 = Interleave.Unshuffle(x[pos++]); - evn[i] = (u0 & 0x00000000FFFFFFFFUL) | (u1 << 32); - odd[i] = (u0 >> 32) | (u1 & 0xFFFFFFFF00000000UL); - } - { - ulong u0 = Interleave.Unshuffle(x[pos]); - evn[4] = (u0 & 0x00000000FFFFFFFFUL); - odd[4] = (u0 >> 32); - } + odd[0] = Interleave.Unshuffle(x[0], x[1], out evn[0]); + odd[1] = Interleave.Unshuffle(x[2], x[3], out evn[1]); + odd[2] = Interleave.Unshuffle(x[4], x[5], out evn[2]); + odd[3] = Interleave.Unshuffle(x[6], x[7], out evn[3]); + odd[4] = Interleave.Unshuffle(x[8] , out evn[4]); Multiply(odd, ROOT_Z, z); Add(z, evn, z); |