◆ ReadEncryptedPkcs8< TRet >() [3/5]

static void System.Security.Cryptography.KeyFormatHelper.ReadEncryptedPkcs8< TRet >	(	string[]	validOids,
		ReadOnlyMemory< byte >	source,
		ReadOnlySpan< char >	password,
		ReadOnlySpan< byte >	passwordBytes,
		KeyReader< TRet >	keyReader,
		out int	bytesRead,
		out TRet	ret )

inlinestaticprivate

Definition at line 159 of file KeyFormatHelper.cs.

    {
        int length;
        EncryptedPrivateKeyInfoAsn decoded;
        try
        {
            AsnValueReader reader = new AsnValueReader(source.Span, AsnEncodingRules.BER);
            length = reader.PeekEncodedValue().Length;
            EncryptedPrivateKeyInfoAsn.Decode(ref reader, source, out decoded);
        }
        catch (AsnContentException inner)
        {
            throw new CryptographicException(System.SR.Cryptography_Der_Invalid_Encoding, inner);
        }
        byte[] array = System.Security.Cryptography.CryptoPool.Rent(decoded.EncryptedData.Length);
        Memory<byte> memory = array;
        try
        {
            memory = memory[..PasswordBasedEncryption.Decrypt(in decoded.EncryptionAlgorithm, password, passwordBytes, decoded.EncryptedData.Span, array)];
            ReadPkcs8(validOids, memory, keyReader, out var bytesRead2, out ret);
            if (bytesRead2 != memory.Length)
            {
                ret = default(TRet);
                throw new CryptographicException(System.SR.Cryptography_Der_Invalid_Encoding);
            }
            bytesRead = length;
        }
        catch (CryptographicException inner2)
        {
            throw new CryptographicException(System.SR.Cryptography_Pkcs8_EncryptedReadFailed, inner2);
        }
        finally
        {
            CryptographicOperations.ZeroMemory(memory.Span);
            System.Security.Cryptography.CryptoPool.Return(array, 0);
        }
    }