SignHash() [2/2]

static unsafe byte[] Internal.Cryptography.CngCommon.SignHash ( this SafeNCryptKeyHandle keyHandle, ReadOnlySpan< byte > hash, global::Interop::NCrypt::AsymmetricPaddingMode paddingMode, void * pPaddingInfo, int estimatedSize )

inlinestatic

Definition at line 41 of file CngCommon.cs.

    {
        byte[] array = new byte[estimatedSize];
        int pcbResult;
        global::Interop.NCrypt.ErrorCode errorCode = global::Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, array, array.Length, out pcbResult, paddingMode);
        if (errorCode == global::Interop.NCrypt.ErrorCode.STATUS_UNSUCCESSFUL)
        {
            errorCode = global::Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, array, array.Length, out pcbResult, paddingMode);
        }
        if (errorCode == global::Interop.NCrypt.ErrorCode.NTE_BUFFER_TOO_SMALL)
        {
            array = new byte[pcbResult];
            errorCode = global::Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, array, array.Length, out pcbResult, paddingMode);
        }
        if (errorCode == global::Interop.NCrypt.ErrorCode.STATUS_UNSUCCESSFUL)
        {
            errorCode = global::Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, array, array.Length, out pcbResult, paddingMode);
        }
        if (errorCode != 0)
        {
            throw errorCode.ToCryptographicException();
        }
        Array.Resize(ref array, pcbResult);
        return array;
    }

References System.array, and System.ReadOnlySpan< T >.Length.