Dotnet/Ed25519
Dotnet/Ed25519
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Added more checks

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This commit is contained in:
Thorsten Sommer 2020-01-03 19:32:35 +01:00
parent 9d1236a41a
commit 91f18866cc
1 changed files with 6 additions and 0 deletions
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6
Ed25519/Signer.cs
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@ -10,6 +10,12 @@ namespace Ed25519
{
public static ReadOnlySpan<byte> Sign(ReadOnlySpan<byte> message, ReadOnlySpan<byte> privateKey, ReadOnlySpan<byte> publicKey)
{
if(privateKey.Length == 0)
throw new ArgumentException("Private key length is wrong");
if (publicKey.Length != Constants.BIT_LENGTH / 8)
throw new ArgumentException("Public key length is wrong");
var privateKeyHash = privateKey.ComputeHash();
var privateKeyBits = Constants.TWO_POW_BIT_LENGTH_MINUS_TWO;
for (var i = 3; i < Constants.BIT_LENGTH - 2; i++)