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  • 大小: 12KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-12
  • 語言: 其他
  • 標簽: Crypto??AES??RSA??加密??

資源簡介

具體描述參考 https://blog.csdn.net/iamqianrenzhan/article/details/88583822

資源截圖

代碼片段和文件信息


//#include?“D:\cryptopp562\randpool.h“
//#include?“D:\cryptopp562\rsa.h“
//#include?“D:\cryptopp562\hex.h“
//#include?“D:\cryptopp562\files.h“
//#include?“D:\cryptopp562\osrng.h“
//#include?“D:\cryptopp562\base64.h“

#include?“randpool.h“
#include?“rsa.h“
#include?“hex.h“
#include?“files.h“
#include?“osrng.h“
#include?“base64.h“

#include?

using?namespace?CryptoPP;
using?namespace?std;


//根據長度生成公鑰和私鑰,并分別保存到pubFilename文件和privFilename文件
void?GenerateRSAKey(unsigned?int?keyLength?const?char?*privFilename?const?char?*pubFilename)
{
AutoSeededRandomPool?rng;
InvertibleRSAFunction?privkey;
privkey.GenerateRandomWithKeySize(rng?keyLength);

base64Encoder?privkeysink(new?FileSink(privFilename));??//“privkey.txt“
privkey.DEREncode(privkeysink);
privkeysink.MessageEnd();

RSAFunction?pubkey(privkey);
base64Encoder?pubkeysink(new?FileSink(pubFilename));??//“pubkey.txt“
pubkey.DEREncode(pubkeysink);
pubkeysink.MessageEnd();
}

//把字符串plain中的內容用pubFilename文件中的公鑰加密數據并保存到encryptedFilename中。
void?Encrypt(const?string?&plain?const?char?*pubFilename?const?char?*encryptedFilename)
{
RSAES_OAEP_SHA_Encryptor?pubkey(FileSource(pubFilename?true?new?base64Decoder));

SecByteBlock?sbbCipherText(pubkey.CiphertextLength(plain.size()));
//sbbCipherText.begin();
AutoSeededRandomPool?rng;
pubkey.Encrypt(
rng
(byte?const*)plain.data()
plain.size()
sbbCipherText.begin());

FileSink(encryptedFilename).Put(sbbCipherText.begin()?sbbCipherText.size());
}

void?Encrypt2(const?string?&plainconst?char?*encryptedFilename)
{
//RSAES_OAEP_SHA_Encryptor?pubkey(FileSource(pubFilename?true?new?base64Decoder));
string?pub?=?“MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQC1f+WV5dAiVb2w1lgf21Wz84Uuou1TwCJ+\
ivxcpijobsHQLOLMakYSyRonH6SQJtL5CHXycBubA9sS7F2nVG2fMn6z9Ev11nu7J4IPPF9u\
v?/?ZqwAIlXwxVPsl4K69rWmdP4i5ezj++I7nC?+?kX6qjxpcyhnQalKAl2OC8AMNEo0awIBEQ?==?“;
RSAES_OAEP_SHA_Encryptor?pubkey(StringSource(pub?true?new?base64Decoder));

SecByteBlock?sbbCipherText(pubkey.CiphertextLength(plain.size()));
//sbbCipherText.begin();
AutoSeededRandomPool?rng;
pubkey.Encrypt(
rng
(byte?const*)plain.data()
plain.size()
sbbCipherText.begin());

FileSink(encryptedFilename).Put(sbbCipherText.begin()?sbbCipherText.size());
}

//用privFilename文件中的私鑰解密encryptedFilename文件中的加密內容,并返回解密內容。

string?Decrypt(const?char?*privFilename?const?char?*encryptedFilename)
{
string?strContents?recovered;
FileSource(encryptedFilename?true?new?StringSink(strContents));
AutoSeededRandomPool?rng;
RSAES_OAEP_SHA_Decryptor?privkey(FileSource(privFilename?true?new?base64Decoder));
StringSource(strContents?true?new?PK_DecryptorFilter(rng?privkey?new?StringSink(recovered)));
return?recovered;
}

string?Decrypt2(const?char?*encryptedFilename)
{
string?pri?=?“MIICdAIBADANBgkqhkiG9w0BAQEFAASCAl4wggJaAgEAAoGBALV/5ZXl0CJVvbDWWB/bVbPz\
hS6i7VPAIn6K?/?FymKOhuwdAs4sxqRhLJG

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????39936??2019-03-16?16:34??RSA\.vs\RSA\v14\.suo

?????文件???????7164??2019-03-19?01:50??RSA\RSA\main.cpp

?????文件???????6488??2019-03-16?10:09??RSA\RSA\RSA.vcxproj

?????文件???????1246??2019-03-15?09:38??RSA\RSA\RSA.vcxproj.filters

?????文件???????1294??2019-03-14?23:31??RSA\RSA\RSATools.cpp

?????文件????????795??2019-03-14?23:24??RSA\RSA\RSATools.h

?????文件???????1774??2019-03-16?00:43??RSA\RSA\test.cpp

?????文件???????1291??2019-03-14?22:15??RSA\RSA.sln

?????目錄??????????0??2019-03-14?22:15??RSA\.vs\RSA\v14

?????目錄??????????0??2019-03-14?22:15??RSA\.vs\RSA

????...D.H.?????????0??2019-03-14?22:15??RSA\.vs

?????目錄??????????0??2019-03-24?06:55??RSA\RSA

?????目錄??????????0??2019-03-24?06:55??RSA

-----------?---------??----------?-----??----

????????????????59988????????????????????13


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