【加密与解密】Openssl 生成的RSA秘钥如被C#使用解密
2015-07-30 19:27
615 查看
openssl生成的RSA公私钥对保存一个pem文件中，生成时可以选择加密与不加密，如果要提取私钥需要用到openssl rsa进行提取，之后用c#转换为xml之后再对加密数据进行解密，详细如下：
1、openssl生成秘钥
E:\bin>openssl genrs
a -aes128 -out rsakey.pem -passout pass:111111 1024
Loading 'screen' into random state - done
Generating RSA private key, 1024 bit long modulus
.........................++++++
.................................++++++
e is 65537 (0x10001)
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,80BF9FA9D86FA1F503A7CC8271A87F2C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-----END RSA PRIVATE KEY-----
2、私钥提取过程
E:\bin>openssl rsa -
in rsakey.pem -out rsakeydec.txt
Enter pass phrase for rsakey.pem:
writing RSA key
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
3、利用c#生成xml文件用于加密数据解密
<RSAKeyValue><Modulus>og6wAWYOEfriKmqlJdYAGscUScVg++8A8NZRUEd/AosDIcGqmOpVBMIcFR
iF8+hndofqoCnBZZusHBKhuo8E+Zk/yImG+nvkK0lzJKxdSh25isqDKoIt7aDGEvuA73xrMJvZP/C5/T
KF88JRpYoguT8duGk+bhrD5fSzMahj0v8=</Modulus><Exponent>AQAB</Exponent><P>1HF+lmtO
1RSBCFezjWiGpdg78KTYcVs+ObRWOzBVUo7uttmrhIkURwZtBk+wZUx7OYFX4464nwxI6W2khOfonw==
</P><Q>w0iWOEvuT61lMNwpA6H0dg33ZBvGvDUePDSRHFkNGBm2rkTEvzxdbFFxF1410lXzWGmvY4hRJ
IREo2+8a00ZoQ==</Q><DP>LOIFkpX9Q7tfP3n370pEGEnE8CSDrf9O+DYHed3OSPD1sh/uwsOLSy4qX
oj7hYtRBWc0QFlo3AFmbhrCBWpRlQ==</DP><DQ>iPR9Ndo6tfJ7RzsAIKYSlkDRQYohZJk0LTEInALw
JfjSn4FnIl8pfe/YCnVt9aeF1Hm6IWnWzm9c2+pfEDmwQQ==</DQ><InverseQ>oHN/kGvCiwwbS3eJP
eY1bhgftys8500yoJcaCGaKXUbgQN9EHMyCB8LB9OpIVa2WCjoYCzrzbTGTC6yA0U2y7A==</Inverse
Q><D>YsyXi1K/00BkMD3yT13nlGu4t70JAq9UoH/Y9RuRmGhN0X+z1SRQDuWUn1vjFq+inEYCygCK8rp
0tGy7gvR8sAKlk8yZqDJ+JyLfocNeuevAADtADxfYNE+wpVGCs9OXCq6kN8aXFJDF9NX6KsNNUZPEKu/
Kmkb7e7NaTLRtfkE=</D></RSAKeyValue>
请按任意键继续. . .
4、c#测试源代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Security.Cryptography;
using System.ComponentModel;
using System.Runtime.InteropServices;
/*refer: http://q.cnblogs.com/q/70822/
http://blog.chinaunix.net/uid-26729093-id-4449165.html*/
namespace ConsoleApplication1
{
class Program
{
private static int GetIntegerSize(BinaryReader binr)
{
byte bt = 0;
byte lowbyte = 0x00;
byte highbyte = 0x00;
int count = 0;
bt = binr.ReadByte();
if (bt != 0x02) //expect integer
return 0;
bt = binr.ReadByte();
if (bt == 0x81)
count = binr.ReadByte(); // data size in next byte
else
if (bt == 0x82)
{
highbyte = binr.ReadByte(); // data size in next 2 bytes
lowbyte = binr.ReadByte();
byte[] modint = { lowbyte, highbyte, 0x00, 0x00 };
count = BitConverter.ToInt32(modint, 0);
}
else
{
count = bt; // we already have the data size
}
while (binr.ReadByte() == 0x00)
{ //remove high order zeros in data
count -= 1;
}
binr.BaseStream.Seek(-1, SeekOrigin.Current); //last ReadByte wasn't a removed zero, so back up a byte
return count;
}
public static RSACryptoServiceProvider DecodeRSAPrivateKey(string priKey)
{
var privkey = Convert.FromBase64String(priKey);
byte[] MODULUS, E, D, P, Q, DP, DQ, IQ;
// --------- Set up stream to decode the asn.1 encoded RSA private key ------
MemoryStream mem = new MemoryStream(privkey);
BinaryReader binr = new BinaryReader(mem); //wrap Memory Stream with BinaryReader for easy reading
byte bt = 0;
ushort twobytes = 0;
int elems = 0;
try
{
twobytes = binr.ReadUInt16();
if (twobytes == 0x8130) //data read as little endian order (actual data order for Sequence is 30 81)
binr.ReadByte(); //advance 1 byte
else if (twobytes == 0x8230)
binr.ReadInt16(); //advance 2 bytes
else
return null;
twobytes = binr.ReadUInt16();
if (twobytes != 0x0102) //version number
return null;
bt = binr.ReadByte();
if (bt != 0x00)
return null;
//------ all private key components are Integer sequences ----
elems = GetIntegerSize(binr);
MODULUS = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
E = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
D = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
P = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
Q = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
DP = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
DQ = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
IQ = binr.ReadBytes(elems);
// ------- create RSACryptoServiceProvider instance and initialize with public key -----
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAparams = new RSAParameters();
RSAparams.Modulus = MODULUS;
RSAparams.Exponent = E;
RSAparams.D = D;
RSAparams.P = P;
RSAparams.Q = Q;
RSAparams.DP = DP;
RSAparams.DQ = DQ;
RSAparams.InverseQ = IQ;
RSA.ImportParameters(RSAparams);
return RSA;
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
return null;
}
finally
{
binr.Close();
}
}
/************************************************************************/
/* 你的是pem key，需要下转换为c# rsa provider认识的key。
首先，干掉头部和尾部的无用字符，然后利用如下方法转换：*/
/************************************************************************/
public static void PrivateKeyDecFun()
{
string priKey = @"-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----";
priKey = priKey.Replace("-----BEGIN RSA PRIVATE KEY-----", "")
.Replace("-----END RSA PRIVATE KEY-----", "");
RSACryptoServiceProvider rsaProvider = DecodeRSAPrivateKey(priKey);
String PrivateKey = rsaProvider.ToXmlString(true);//将RSA算法的私钥导出到字符串PrivateKey中，参数为true表示导出私钥
Console.WriteLine(PrivateKey);
/************************************************************************/
/* 程序运行结果如下：
* <RSAKeyValue><Modulus>n9WuC0MoqQanlAmfZCrH2rEM5BBQgZhrDNtUmpG+QTtLGNOxg3Ka6CRxds
TUK1dHDO/pYhN6QVBbGq7otlmh2YQIm6S25fc+BUn6DeYUoOrBIGwde0rynt2Tf++RqBLEIkLWFuIFCY
M6waL1Wfk3k5zfjRxwalKgSoTSIDxVWqU=</Modulus><Exponent>AQAB</Exponent><P>3AMHuF5x
e0h1jp35Y6xtvbKCjYlIWCrQxnFfX72pvbudBJPPNsLxZrCT/rZPtQl4zEUjZTouNG8SgrmgWtSTrQ==
</P><Q>ufq9FmZHfBFf3e6n57wLiAj5C1MeyHAtt6qdAF49OZJBGZh1pePnjDGNezFvy7U5bMp7/updi
sLCFueS5eKB2Q==</Q><DP>F84QIMe/OZqedZ7sI/e9LABLlerbtAZ17nLH4gEQg6HwHFWt3vv6yKSkb
rPlLe5nbpqweLxx0WSPOSvCiPFlRQ==</DP><DQ>PAfFNQ+6jz+EdDxukgxOpJBQ4ujnjMc42ooFt3Kz
zHt66+ocP3m66bOs+VDRxy0t5gHN2FCJ9Ro8T+xbrDxasQ==</DQ><InverseQ>ARHpcG6tE0F+lmUth
tep1U8OrF+AQvqDhBq8MYK+/pF/LRZkFHkqTsj89OyWDlSH3LeYkOWsr9mAFxsvHZ9BSA==</Inverse
Q><D>G0OMs5kaF3LuJN9bU+/ENXab908dHG4OXJwRG2ie5muhzLNXhU+IQu7sd9DtTBNQKFHIIpWl9fw
p/iw1v90cMUQGj0zhSXHAz7Vak/ryQLTyeIIciL8MQWvnbAaNlIoFq2wBl7SYs3n71B4MlvvTysaG0kr
sjiPh5LVgnBvzjGE=</D></RSAKeyValue>
请按任意键继续. . .*/
/************************************************************************/
}
public static void PrivateKeyDecFun1()
{
string priKey = @"MIICXQIBAAKBgQCiDrABZg4R+uIqaqUl1gAaxxRJxWD77wDw1lFQR38CiwMhwaqY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";
priKey = priKey.Replace("-----BEGINENCRYPTED PRIVATE KEY-----", "")
.Replace("-----ENDENCRYPTED PRIVATE KEY-----", "");
DecodeRSAPrivateKey(priKey);
RSACryptoServiceProvider rsaProvider = DecodeRSAPrivateKey(priKey);
String PrivateKey = rsaProvider.ToXmlString(true);//将RSA算法的私钥导出到字符串PrivateKey中，参数为true表示导出私钥
Console.WriteLine(PrivateKey);
}
static void Main(string[] args)
{
PrivateKeyDecFun();
PrivateKeyDecFun1();
return;
}
}
}
5、参考文档
http://q.cnblogs.com/q/70822/ http://blog.chinaunix.net/uid-26729093-id-4449165.html http://download.csdn.net/download/jiayanhui2877/4089521
1、openssl生成秘钥
E:\bin>openssl genrs
a -aes128 -out rsakey.pem -passout pass:111111 1024
Loading 'screen' into random state - done
Generating RSA private key, 1024 bit long modulus
.........................++++++
.................................++++++
e is 65537 (0x10001)
-----BEGIN RSA PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: AES-128-CBC,80BF9FA9D86FA1F503A7CC8271A87F2C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-----END RSA PRIVATE KEY-----
2、私钥提取过程
E:\bin>openssl rsa -
in rsakey.pem -out rsakeydec.txt
Enter pass phrase for rsakey.pem:
writing RSA key
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
3、利用c#生成xml文件用于加密数据解密
<RSAKeyValue><Modulus>og6wAWYOEfriKmqlJdYAGscUScVg++8A8NZRUEd/AosDIcGqmOpVBMIcFR
iF8+hndofqoCnBZZusHBKhuo8E+Zk/yImG+nvkK0lzJKxdSh25isqDKoIt7aDGEvuA73xrMJvZP/C5/T
KF88JRpYoguT8duGk+bhrD5fSzMahj0v8=</Modulus><Exponent>AQAB</Exponent><P>1HF+lmtO
1RSBCFezjWiGpdg78KTYcVs+ObRWOzBVUo7uttmrhIkURwZtBk+wZUx7OYFX4464nwxI6W2khOfonw==
</P><Q>w0iWOEvuT61lMNwpA6H0dg33ZBvGvDUePDSRHFkNGBm2rkTEvzxdbFFxF1410lXzWGmvY4hRJ
IREo2+8a00ZoQ==</Q><DP>LOIFkpX9Q7tfP3n370pEGEnE8CSDrf9O+DYHed3OSPD1sh/uwsOLSy4qX
oj7hYtRBWc0QFlo3AFmbhrCBWpRlQ==</DP><DQ>iPR9Ndo6tfJ7RzsAIKYSlkDRQYohZJk0LTEInALw
JfjSn4FnIl8pfe/YCnVt9aeF1Hm6IWnWzm9c2+pfEDmwQQ==</DQ><InverseQ>oHN/kGvCiwwbS3eJP
eY1bhgftys8500yoJcaCGaKXUbgQN9EHMyCB8LB9OpIVa2WCjoYCzrzbTGTC6yA0U2y7A==</Inverse
Q><D>YsyXi1K/00BkMD3yT13nlGu4t70JAq9UoH/Y9RuRmGhN0X+z1SRQDuWUn1vjFq+inEYCygCK8rp
0tGy7gvR8sAKlk8yZqDJ+JyLfocNeuevAADtADxfYNE+wpVGCs9OXCq6kN8aXFJDF9NX6KsNNUZPEKu/
Kmkb7e7NaTLRtfkE=</D></RSAKeyValue>
请按任意键继续. . .
4、c#测试源代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Security.Cryptography;
using System.ComponentModel;
using System.Runtime.InteropServices;
/*refer: http://q.cnblogs.com/q/70822/
http://blog.chinaunix.net/uid-26729093-id-4449165.html*/
namespace ConsoleApplication1
{
class Program
{
private static int GetIntegerSize(BinaryReader binr)
{
byte bt = 0;
byte lowbyte = 0x00;
byte highbyte = 0x00;
int count = 0;
bt = binr.ReadByte();
if (bt != 0x02) //expect integer
return 0;
bt = binr.ReadByte();
if (bt == 0x81)
count = binr.ReadByte(); // data size in next byte
else
if (bt == 0x82)
{
highbyte = binr.ReadByte(); // data size in next 2 bytes
lowbyte = binr.ReadByte();
byte[] modint = { lowbyte, highbyte, 0x00, 0x00 };
count = BitConverter.ToInt32(modint, 0);
}
else
{
count = bt; // we already have the data size
}
while (binr.ReadByte() == 0x00)
{ //remove high order zeros in data
count -= 1;
}
binr.BaseStream.Seek(-1, SeekOrigin.Current); //last ReadByte wasn't a removed zero, so back up a byte
return count;
}
public static RSACryptoServiceProvider DecodeRSAPrivateKey(string priKey)
{
var privkey = Convert.FromBase64String(priKey);
byte[] MODULUS, E, D, P, Q, DP, DQ, IQ;
// --------- Set up stream to decode the asn.1 encoded RSA private key ------
MemoryStream mem = new MemoryStream(privkey);
BinaryReader binr = new BinaryReader(mem); //wrap Memory Stream with BinaryReader for easy reading
byte bt = 0;
ushort twobytes = 0;
int elems = 0;
try
{
twobytes = binr.ReadUInt16();
if (twobytes == 0x8130) //data read as little endian order (actual data order for Sequence is 30 81)
binr.ReadByte(); //advance 1 byte
else if (twobytes == 0x8230)
binr.ReadInt16(); //advance 2 bytes
else
return null;
twobytes = binr.ReadUInt16();
if (twobytes != 0x0102) //version number
return null;
bt = binr.ReadByte();
if (bt != 0x00)
return null;
//------ all private key components are Integer sequences ----
elems = GetIntegerSize(binr);
MODULUS = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
E = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
D = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
P = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
Q = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
DP = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
DQ = binr.ReadBytes(elems);
elems = GetIntegerSize(binr);
IQ = binr.ReadBytes(elems);
// ------- create RSACryptoServiceProvider instance and initialize with public key -----
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAparams = new RSAParameters();
RSAparams.Modulus = MODULUS;
RSAparams.Exponent = E;
RSAparams.D = D;
RSAparams.P = P;
RSAparams.Q = Q;
RSAparams.DP = DP;
RSAparams.DQ = DQ;
RSAparams.InverseQ = IQ;
RSA.ImportParameters(RSAparams);
return RSA;
}
catch (Exception e)
{
Console.WriteLine(e.Message + e.StackTrace);
return null;
}
finally
{
binr.Close();
}
}
/************************************************************************/
/* 你的是pem key，需要下转换为c# rsa provider认识的key。
首先，干掉头部和尾部的无用字符，然后利用如下方法转换：*/
/************************************************************************/
public static void PrivateKeyDecFun()
{
string priKey = @"-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----";
priKey = priKey.Replace("-----BEGIN RSA PRIVATE KEY-----", "")
.Replace("-----END RSA PRIVATE KEY-----", "");
RSACryptoServiceProvider rsaProvider = DecodeRSAPrivateKey(priKey);
String PrivateKey = rsaProvider.ToXmlString(true);//将RSA算法的私钥导出到字符串PrivateKey中，参数为true表示导出私钥
Console.WriteLine(PrivateKey);
/************************************************************************/
/* 程序运行结果如下：
* <RSAKeyValue><Modulus>n9WuC0MoqQanlAmfZCrH2rEM5BBQgZhrDNtUmpG+QTtLGNOxg3Ka6CRxds
TUK1dHDO/pYhN6QVBbGq7otlmh2YQIm6S25fc+BUn6DeYUoOrBIGwde0rynt2Tf++RqBLEIkLWFuIFCY
M6waL1Wfk3k5zfjRxwalKgSoTSIDxVWqU=</Modulus><Exponent>AQAB</Exponent><P>3AMHuF5x
e0h1jp35Y6xtvbKCjYlIWCrQxnFfX72pvbudBJPPNsLxZrCT/rZPtQl4zEUjZTouNG8SgrmgWtSTrQ==
</P><Q>ufq9FmZHfBFf3e6n57wLiAj5C1MeyHAtt6qdAF49OZJBGZh1pePnjDGNezFvy7U5bMp7/updi
sLCFueS5eKB2Q==</Q><DP>F84QIMe/OZqedZ7sI/e9LABLlerbtAZ17nLH4gEQg6HwHFWt3vv6yKSkb
rPlLe5nbpqweLxx0WSPOSvCiPFlRQ==</DP><DQ>PAfFNQ+6jz+EdDxukgxOpJBQ4ujnjMc42ooFt3Kz
zHt66+ocP3m66bOs+VDRxy0t5gHN2FCJ9Ro8T+xbrDxasQ==</DQ><InverseQ>ARHpcG6tE0F+lmUth
tep1U8OrF+AQvqDhBq8MYK+/pF/LRZkFHkqTsj89OyWDlSH3LeYkOWsr9mAFxsvHZ9BSA==</Inverse
Q><D>G0OMs5kaF3LuJN9bU+/ENXab908dHG4OXJwRG2ie5muhzLNXhU+IQu7sd9DtTBNQKFHIIpWl9fw
p/iw1v90cMUQGj0zhSXHAz7Vak/ryQLTyeIIciL8MQWvnbAaNlIoFq2wBl7SYs3n71B4MlvvTysaG0kr
sjiPh5LVgnBvzjGE=</D></RSAKeyValue>
请按任意键继续. . .*/
/************************************************************************/
}
public static void PrivateKeyDecFun1()
{
string priKey = @"MIICXQIBAAKBgQCiDrABZg4R+uIqaqUl1gAaxxRJxWD77wDw1lFQR38CiwMhwaqY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";
priKey = priKey.Replace("-----BEGINENCRYPTED PRIVATE KEY-----", "")
.Replace("-----ENDENCRYPTED PRIVATE KEY-----", "");
DecodeRSAPrivateKey(priKey);
RSACryptoServiceProvider rsaProvider = DecodeRSAPrivateKey(priKey);
String PrivateKey = rsaProvider.ToXmlString(true);//将RSA算法的私钥导出到字符串PrivateKey中，参数为true表示导出私钥
Console.WriteLine(PrivateKey);
}
static void Main(string[] args)
{
PrivateKeyDecFun();
PrivateKeyDecFun1();
return;
}
}
}
5、参考文档
http://q.cnblogs.com/q/70822/ http://blog.chinaunix.net/uid-26729093-id-4449165.html http://download.csdn.net/download/jiayanhui2877/4089521
内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理 
相关文章推荐
- C# 引用类型作为函数参数时
- c#实现KTV点歌系统
- C#---截取字符串
- C# Enum,Int,String的互相转换 枚举转换
- C#System.Net.Mail采用简单邮件传输协议发送邮件
- 熔断器C#实现
- C#读取XML流数据
- C#小写人民币转大写
- C# Excel批注“哪种开发语言最好”
- c#反射重载方法（发现不明确的匹配）
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- C#生成Code39条形码【非条形码字体】
- 3D贝塞尔曲线C#实现