remove WIP Base32 EncodeCheck

Author: ssg

src/Base32.cs

@@ -421,59 +421,6 @@ public bool TryDecode(ReadOnlySpan<char> input, Span<byte> output, out int bytes
         return internalDecode(input[..inputLen], output, out bytesWritten) == DecodeResult.Success;
     }
 
-    /// <summary>
-    /// Perform Base32 with Digest and checksum encoding (Stacks Crockford Base32).
-    /// </summary>
-    /// <param name="input">Input buffer.</param>
-    /// <param name="version">Version byte.</param>
-    /// <returns>Encoded address with checksum.</returns>
-    public string EncodeCheck(ReadOnlySpan<byte> input, byte version)
-    {
-        int bufferSize = 1 + input.Length + Sha256.DigestBytes;
-        byte[] output = new byte[bufferSize];
-        output[0] = version;
-        input.CopyTo(output.AsSpan(1));
-        Sha256.ComputeDigestTwice(output.AsSpan(0, input.Length + 1), output.AsSpan(input.Length + 1));
-        return Encode(output);
-    }
-
-    /// <summary>
-    /// Try decoding a Base32 encoded address with checksum.
-    /// </summary>
-    /// <param name="input">Encoded string.</param>
-    /// <param name="decodedAddress">Buffer for the decoded address.</param>
-    /// <param name="version">Version number extracted from <paramref name="input"/>.</param>
-    /// <param name="addressLength">Written number of bytes to <paramref name="decodedAddress"/>.</param>
-    /// <returns>
-    ///     <see langword="true"/> if address is decoded successfully and checksum matches,
-    ///     <see langword="false"/> otherwise.
-    /// </returns>
-    public bool TryDecodeCheck(ReadOnlySpan<char> input, Span<byte> decodedAddress, out byte version, out int addressLength)
-    {
-        int bufferSize = GetSafeByteCountForDecoding(input);
-        var buffer = bufferSize < Bits.SafeStackMaxAllocSize ? stackalloc byte[bufferSize] : new byte[bufferSize];
-        version = 0;
-        addressLength = 0;
-        if (!TryDecode(input, buffer, out int outputLength)
-            || outputLength < Sha256.DigestBytes + 2
-            || decodedAddress.Length < outputLength - Sha256.DigestBytes - 1)
-        {
-            return false;
-        }
-
-        Span<byte> digest = stackalloc byte[Sha256.DigestBytes];
-        Sha256.ComputeDigestTwice(buffer[..^Sha256.DigestBytes], digest);
-        if (!digest.SequenceEqual(buffer[^Sha256.DigestBytes..]))
-        {
-            return false;
-        }
-
-        buffer[1..^Sha256.DigestBytes].CopyTo(decodedAddress);
-        addressLength = outputLength - Sha256.DigestBytes - 1;
-        version = buffer[0];
-        return true;
-    }
-
     static int getAllocationByteCountForDecoding(int textLenWithoutPadding)
     {
         return textLenWithoutPadding * bitsPerChar / bitsPerByte;

src/PublicAPI.Unshipped.txt

@@ -1,5 +1,3 @@
 SimpleBase.Base58.EncodeCheck(System.ReadOnlySpan<byte> payload, System.ReadOnlySpan<byte> prefix) -> string!
 SimpleBase.Base58.EncodeCheckSkipZeroes(System.ReadOnlySpan<byte> payload, System.ReadOnlySpan<byte> prefix) -> string!
-SimpleBase.Base58.TryDecodeCheck(System.ReadOnlySpan<char> address, System.Span<byte> payload, System.Span<byte> prefix, out int payloadBytesWritten) -> bool
-SimpleBase.Base32.EncodeCheck(System.ReadOnlySpan<byte> input, byte version) -> string!
-SimpleBase.Base32.TryDecodeCheck(System.ReadOnlySpan<char> input, System.Span<byte> decodedAddress, out byte version, out int addressLength) -> bool
+SimpleBase.Base58.TryDecodeCheck(System.ReadOnlySpan<char> address, System.Span<byte> payload, System.Span<byte> prefix, out int payloadBytesWritten) -> bool