diff options
Diffstat (limited to 'crypto/src/math/ec/rfc7748/X448.cs')
-rw-r--r-- | crypto/src/math/ec/rfc7748/X448.cs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/crypto/src/math/ec/rfc7748/X448.cs b/crypto/src/math/ec/rfc7748/X448.cs index 63d34d1cf..63e526703 100644 --- a/crypto/src/math/ec/rfc7748/X448.cs +++ b/crypto/src/math/ec/rfc7748/X448.cs @@ -1,6 +1,7 @@ using System; using System.Diagnostics; +using Org.BouncyCastle.Security; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Math.EC.Rfc7748 @@ -52,6 +53,14 @@ namespace Org.BouncyCastle.Math.EC.Rfc7748 n[13] |= 0x80000000U; } + public static void GeneratePrivateKey(SecureRandom random, byte[] k) + { + random.NextBytes(k); + + k[0] &= 0xFC; + k[ScalarSize - 1] |= 0x80; + } + private static void PointDouble(uint[] x, uint[] z) { uint[] A = X448Field.Create(); |