c# – BouncyCastle Open PGP – 流47中的未知对象
作者：互联网
我正在尝试使用BouncyCastle PGP SDK解密PGP加密字符串.
我尝试了几种方法,在每种情况下,我都会在流程开始时收到以下错误(具体位置如下所示)：
unknown object in stream 47
到目前为止我尝试了两个nuget包：
> BouncyCastle.OpenPGP v.1.8.1.
> BouncyCastle-Ext v1.7.0
我尝试过两篇文章中介绍的方法：
> http://jasongoemaat.blogspot.ro/2015/09/c-bouncy-castle-file-decryption.html
> https://code.msdn.microsoft.com/vstudio/Pretty-Good-Privacy-using-4f473c67#content
我尝试了三种获取测试密钥和加密字符串的方法：
> https://www.igolder.com/PGP/generate-key/
> https://sela.io/pgp/
>使用MSDN教程中的代码生成它(上面的链接)
目前我的代码如下：
public void DecryptFile(string inputFilePath, string outputPath)
{
using (FileStream fsEncryptedFile = File.Open(inputFilePath, FileMode.Open))
using (Stream decoderStream = PgpUtilities.GetDecoderStream(fsEncryptedFile))
{
PgpObjectFactory factory = new PgpObjectFactory(decoderStream);
PgpObject obj = factory.NextPgpObject(); //<-- ERROR THROWN HERE
if (!(obj is PgpEncryptedDataList))
{
obj = factory.NextPgpObject();
}
PgpEncryptedDataList edl = obj as PgpEncryptedDataList;
foreach (PgpPublicKeyEncryptedData data in edl.GetEncryptedDataObjects())
{
PgpPrivateKey privateKey = null;
using (FileStream fsKeyring = File.Open(this.privateKeyPath, FileMode.Open))
{
PgpSecretKeyRingBundle bundle = new PgpSecretKeyRingBundle(fsKeyring); // <-- also same error can happen here if I skip the error above
PgpSecretKey secretKey = bundle.GetSecretKey(data.KeyId);
privateKey = secretKey.ExtractPrivateKey(this.signature.ToCharArray());
}
PgpObjectFactory plainFactory = new PgpObjectFactory(data.GetDataStream(privateKey));
PgpObject message = plainFactory.NextPgpObject();
if (message is PgpCompressedData)
{
message = new PgpObjectFactory(((PgpCompressedData) message).GetDataStream()).NextPgpObject();
}
if (message is PgpLiteralData)
{
PgpLiteralData ld = (PgpLiteralData) message;
using (FileStream outStream = File.Create(outputPath))
{
Stream inStream = ld.GetInputStream();
byte[] buffer = new byte[0x100000];
int count = inStream.Read(buffer, 0, buffer.Length);
while (count > 0)
{
outStream.Write(buffer, 0, count);
count = inStream.Read(buffer, 0, buffer.Length);
}
outStream.Close();
}
}
else
{
Console.WriteLine("ERROR: Unknown type of message in PGP file: {0}", message.GetType().FullName);
}
}
}
}
这是我在https://www.igolder.com/PGP/generate-key/生成的测试密钥和hello world消息
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: BCPG C# v1.6.1.0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=8xO7
-----END PGP PUBLIC KEY BLOCK-----
-----BEGIN PGP PRIVATE KEY BLOCK-----
Version: BCPG C# v1.6.1.0
lQOsBFoAOVkBCACQs2N2Z/b6Fpx+w6Et380qVCtwxJ6GBCRAgwVLGNSKoPJ/L7Sh
dBYJAY5hAWWkSNRislYUG7iykK3JtJVOetlts1xFQX5gVVABZphGx9OtbGo95dUJ
vxV3w7cpXwHPB45skd2qjzIZLh8PY0BYC4Rf8SIa2LBhPh5CqT339Z8h0dGBhykj
X8LyzCVnKVjUUZpaGHoM5zo3jtIhxBgYs6WowuWaMtpEynQW753klBIW+d7UsJ2x
zrHu3SNE4hU5ayNvZKwx3Mb1LRf2ydqaniyLoL4nrPzeIr19vBHRfr52itjcG1hD
4PoD5zECwKK4KOqfPAjg/8fKa/oDZserdIxnABEBAAH/AwMCzc2GbYDsJQxgjinX
boFvk2rByvV1wYskgMUzsVvpfh76IsFcdjwavGBvYR2PbPcn7nydX8k5R6CV5U2k
H8bR9BjppDsEGfayq3HuKA9/riFvB2hLcoYj2aSF0VDE9iWSMQxiJapOWlCvkDbo
CVa5bLEPnhl+w8O8huI3VRc7cJs9tkQTQuKPk7HxVHdSOQATqhrJIqgrIlTS5OWf
0GE2mo5+8sNgLyAdjiRu057QAeHZ9o4SsD23cX6LdWzOvjOEQJs/qBL3BFdB1DHZ
Jn87kNnwxbQPRF0KeeaUSLahWsP8UENt1IkjI2ff95XGw1MbDv3ZZbv340CBgRS+
A9HK4vT9MUU11dpc2HDix43RUQdNSZ+jKMYji/aJFNNEMbEwMkJMEPirt+6QzK8q
uAyFGsoUKtYhjsg8xFxQc8xif6D6pArjBPJKJe+YN45LIAHcyVNhK0X8TGxdrk9o
Z1smgSk4+dorpiTHRK3R1JcALjo1JY9bICTNs4xKcRTbs+6PVHEyTzCjh5YixSg2
9wmnsza1ucY8YUNLoXUdaIAgI/ggjrejv/JBCduKKRdiMRyjI4IcfQUiZZSO8Y3w
JElBXLfdGxaB7vLUA7uGvhDraRjFI2yq+x7FvCVuXmrIQ2xMRi8b2EVzvqWFSYWP
oRfceevoW/Jvmpy1KJV+TtlU2EplOjigHFtNvfdfxP57283BjJWD/qGyiPtQyLjA
7qOmtuQhnTSvdejv5bL0avlhNZvJYl6GoqO9ymDrelDWkSWFP6yaKiRR1e0mTbwX
UukQww0L8dJEYkKsy9rTFUTGq/PXRXxN/FVtNtLHEX8zGmBWUZgjpLwq+cc8CWmo
+vJnW5nfWSNySKv1aR0WvTTGK4hndJ3rpt1coUlrrbQAiQEcBBABAgAGBQJaADlZ
AAoJELdP1Sjb8fU/bJAIAIyMs9vfPWFESvB68m3IS9qLEii9VL8j/xqdb2316CvJ
qi5+oLRY8Y3ycOsVdEidh5XeFXULqpKrUFQaw6FLVoUOyOqpR21DWgh6YCz0GdW2
sP+eg6RHXVMe0Db6A7efIijq8sAOKoNDlFCPM4xPAZUAcmN/wmnG+UjKtv/T2w6P
UKaFxl9Q9g0tXXmHddYcuTV0mG1hOMpi0f6RtLZMeWf/Qs4J3+H36t2aiNCa1q7z
CSB5f2+GJoYi1n7GNNvuM1NOf5/M7ciR59+CSUhluFfv82pQoo0VQpjMcPC5LYu5
OB3VWE5BZ8j9lMjCZWqgIw6Vh22auyXXa0GnQllRclI=
=XAmm
-----END PGP PRIVATE KEY BLOCK-----
-----BEGIN PGP MESSAGE-----
Version: BCPG C# v1.6.1.0
hQEMA7dP1Sjb8fU/AQf9ERc725Bql1snAN5R/j/xbkRqtdmGPAbYkJQX/IcJYu9R
1txnd7Y7xH8FMj1a/QLB5migRO8O3UQ2KHiBTe/+QyeB+FiJVtaRndG/VDXUHATy
PRnusYszaYVA8YBAirDqjuuGqhIXym4v9jbyBJWYXNJnrJOPK+C7A6JQEKbQjdwX
vFj07faEDpn8RE6PnvU55EqcBH7D7uSMMKElknHUfyMyLrHOkrYky3uHKG/hF4QS
XE8jBcpNHBg5p35KH99eJafulhvt0XhGcKS1z41ftFNzGxcLLoxHWNZEGj2RG54h
m+5iWY0Ypqg4aTMm/SxWj41pBcc5B4deW8pO6cxC0Mkpjc/4FRl2/ZmnHr4BGIft
atuzKN21w4fIPkaNkz1NgfYbJs4Y/lnWjrg=
=wxc0
-----END PGP MESSAGE-----
知道为什么我经常收到这个错误吗？
谢谢
解决方法:
当我调用PgpPublicKeyRingBundle函数时,我遇到了使用Visual Studio 2015和Bouncy-Castle库的问题.
unknown object in stream 47
我使用Visual Studio Text文件创建了PublicKey.asc和PrivateKey.asc文本文件.
默认情况下,VS使用Unicode UTF-8编码.
您需要将其更改为US-ASCII.
>从菜单中选择文件 – >另存为
>在“保存”按钮上会出现一个下拉菜单,您可以在其中选择“使用编码保存”
>选择US-ASCII
标签：c,encryption,bouncycastle,pgp 来源： https://codeday.me/bug/20190701/1348515.html