Dotnet/Ed25519
Dotnet/Ed25519
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Added details to exceptions

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This commit is contained in:
Thorsten Sommer 2020-01-03 19:46:36 +01:00
parent 2cc6766f0b
commit 24cd652e91
1 changed files with 4 additions and 4 deletions
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8
Ed25519/Signer.cs
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@ -11,10 +11,10 @@ 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");
throw new ArgumentException("Private key length is wrong. Key must not be empty.");
if (publicKey.Length != Constants.BIT_LENGTH / 8)
throw new ArgumentException("Public key length is wrong");
throw new ArgumentException($"Public key length is wrong. Got {publicKey.Length} instead of {Constants.BIT_LENGTH / 8}.");
var privateKeyHash = privateKey.ComputeHash();
var privateKeyBits = Constants.TWO_POW_BIT_LENGTH_MINUS_TWO;
@ -62,10 +62,10 @@ namespace Ed25519
public static bool Validate(ReadOnlySpan<byte> signature, ReadOnlySpan<byte> message, ReadOnlySpan<byte> publicKey)
{
if (signature.Length != Constants.BIT_LENGTH / 4)
throw new ArgumentException("Signature length is wrong");
throw new ArgumentException($"Signature length is wrong. Got {signature.Length} instead of {Constants.BIT_LENGTH / 4}.");
if (publicKey.Length != Constants.BIT_LENGTH / 8)
throw new ArgumentException("Public key length is wrong");
throw new ArgumentException($"Public key length is wrong. Got {publicKey.Length} instead of {Constants.BIT_LENGTH / 8}.");
var signatureSliceLeft = signature[..(Constants.BIT_LENGTH / 8)];
var pointSignatureLeft = EdPoint.DecodePoint(signatureSliceLeft);