diff options
| author | Peter Dettman <peter.dettman@bouncycastle.org> | 2022-10-06 12:19:49 +0700 |
|---|---|---|
| committer | Peter Dettman <peter.dettman@bouncycastle.org> | 2022-10-06 12:19:49 +0700 |
| commit | 2d28fafa7fe1becdada43f939b5121946468052c (patch) | |
| tree | ab0b57beefd9976b7d3091fbefc0fab4635f3d04 /crypto/src/math/ec/rfc8032/Ed25519.cs | |
| parent | Refactor RSACoreEngine.ConvertOutput (diff) | |
| download | BouncyCastle.NET-ed25519-2d28fafa7fe1becdada43f939b5121946468052c.tar.xz | |
Refactor stackalloc usage
Diffstat (limited to 'crypto/src/math/ec/rfc8032/Ed25519.cs')
| -rw-r--r-- | crypto/src/math/ec/rfc8032/Ed25519.cs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/crypto/src/math/ec/rfc8032/Ed25519.cs b/crypto/src/math/ec/rfc8032/Ed25519.cs index d6bf461cf..f3b63f3b3 100644 --- a/crypto/src/math/ec/rfc8032/Ed25519.cs +++ b/crypto/src/math/ec/rfc8032/Ed25519.cs @@ -433,7 +433,10 @@ namespace Org.BouncyCastle.Math.EC.Rfc8032 public static void GeneratePublicKey(ReadOnlySpan<byte> sk, Span<byte> pk) { IDigest d = CreateDigest(); - Span<byte> h = stackalloc byte[d.GetDigestSize()]; + int digestSize = d.GetDigestSize(); + Span<byte> h = digestSize <= 128 + ? stackalloc byte[digestSize] + : new byte[digestSize]; d.BlockUpdate(sk[..SecretKeySize]); d.DoFinal(h); |