diff options
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); |