RSA算法C++实现

  • G0_708024
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  • 2022-04-08 09:48
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采用C++实现公钥加密算法RSA,可以对字符串以及文本进行加密,也可对文件进行签名,该算法主要用来加密密钥
RSA_C++.rar
  • BigInt
  • BigInt.aps
    31.5KB
  • resource.h
    453B
  • Photo3.JPG
    47.9KB
  • BigInt.opt
    55.5KB
  • BigInt.dsw
    520B
  • RSA.h
    1.1KB
  • huisehai.Prk
    296B
  • hui.puk
    296B
  • BigInt.ncb
    65KB
  • BigInt.rc
    2.7KB
  • BigInt.cpp
    683B
  • BigInt.plg
    1.4KB
  • BigInt.h
    326B
  • BigInt1.cpp
    16.4KB
  • Photo2.JPG
    48.7KB
  • StdAfx.cpp
    293B
  • BigInt.clw
    243B
  • BigInt1.h
    1.9KB
  • huisehai.puk
    296B
  • BigInt.dsp
    4.4KB
  • StdAfx.h
    1.1KB
  • hui.Prk
    296B
  • Photo.JPG
    47.9KB
  • RSA.cpp
    3.8KB
内容介绍
// BigInt1.cpp: implementation of the CBigInt class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "BigInt.h" #include "BigInt1.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// //小素数表 const static int PrimeTable[550]= { 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557, 563, 569, 571, 577, 587, 593, 599, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451, 1453, 1459, 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999, 2003, 2011, 2017, 2027, 2029, 2039, 2053, 2063, 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287, 2293, 2297, 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357, 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617, 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, 2749, 2753, 2767, 2777, 2789, 2791, 2797, 2801, 2803, 2819, 2833, 2837, 2843, 2851, 2857, 2861, 2879, 2887, 2897, 2903, 2909, 2917, 2927, 2939, 2953, 2957, 2963, 2969, 2971, 2999, 3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643, 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821, 3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907, 3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989, 4001 }; CBigInt::CBigInt() { m_nLength = 1; for(int i=0;i<MAXLEN;i++)m_nValue[i] = 0; } CBigInt::~CBigInt() { } //大数赋值运算符重载= CBigInt CBigInt::operator=(CBigInt Original) { (*this).m_nLength = Original.m_nLength; for(int i=0;i<MAXLEN;i++)(*this).m_nValue[i] = Original.m_nValue[i]; return *this; } CBigInt CBigInt::operator=(unsigned long Original) { (*this).m_nLength = 1; for(int i=1;i<MAXLEN;i++)(*this).m_nValue[i] = 0; (*this).m_nValue[0] = Original; return *this; } //大数比较运算符重载==、!=、>、< bool CBigInt::operator==(CBigInt Object) { if((*this).m_nLength!=Object.m_nLength)return false; for(int i=0;i<Object.m_nLength;i++){ if((*this).m_nValue[i]!=Object.m_nValue[i])return false; } return true; } bool CBigInt::operator==(unsigned long Object) { if((*this).m_nLength!=1)return false; if((*this).m_nValue[0]!=Object)return false; return true; } bool CBigInt::operator!=(CBigInt Object) { if((*this).m_nLength!=Object.m_nLength)return true; for(int i=0;i<Object.m_nLength;i++){ if((*this).m_nValue[i]!=Object.m_nValue[i])return true; } return false; } bool CBigInt::operator!=(unsigned long Object) { if((*this).m_nLength!=1)return true; if((*this).m_nValue[0]!=Object)return true; return false; } bool CBigInt::operator>(CBigInt Object) { if((*this).m_nLength<Object.m_nLength) return false; else if((*this).m_nLength==Object.m_nLength){ for(int i=0;i<Object.m_nLength;i++){ if((*this).m_nValue[Object.m_nLength-i-1]<Object.m_nValue[Object.m_nLength-i-1]) return false; else if((*this).m_nValue[Object.m_nLength-i-1]>Object.m_nValue[Object.m_nLength-i-1]) return true; } return false; } else return true; } bool CBigInt::operator>(unsigned long Object) { if((*this).m_nLength!=1) return false; else if((*this).m_nValue[0]>Object) return true; else return false; } bool CBigInt::operator<(CBigInt Object) { if((*this).m_nLength>Object.m_nLength) return false; else if((*this).m_nLength==Object.m_nLength){ for(int i=0;i<Object.m_nLength;i++){ if((*this).m_nValue[Object.m_nLength-i-1]>Object.m_nValue[Object.m_nLength-i-1]) return false; else if((*this).m_nValue[Object.m_nLength-i-1]<Object.m_nValue[Object.m_nLength-i-1]) return true; } return false; } else return true; } bool CBigInt::operator<(unsigned long Object) { if((*this).m_nLength!=1) return false; else if((*this).m_nValue[0]<Object) return true; else return false; } //大数加、减、乘、除、求余运算符重载+、-、*、/、% CBigInt CBigInt::operator+(CBigInt Addend) { CBigInt Result=*this; unsigned int carry=0; unsigned __int64 sum=0; if((*this).m_nLength<addend.m_nLength) Result.m_nLength = Addend.m_nLength; for(int i=0;i<Result.m_nLength;i++){ sum = Addend.m_nValue[i]; sum += Result.m_nValue[i]+carry; Result.m_nValue[i] = (unsigned long)sum; carry = (unsigned long)(sum rel='nofollow' onclick='return false;'>>32); } Result.m_nValue[Result.m_nLength] = carry; Result.m_nLength += carry; return Result; } CBigInt CBigInt::operator+(unsigned long Addend) { CBigInt Result; unsigned int carry=0; unsigned __int64 sum=0; Result.m_nLength = (*this).m_nLength; sum = (*this).m_nValue[0]; sum += Addend; Result.m_nValue[0] = (unsigned long)sum; carry = (unsigned long)(sum>>32); for(int i=1;i<Result.m_nLength;i++){ sum = (*this).m_nValue[i]; sum += carry; Result.m_nValue[i] = (unsigned long)sum; carry = (unsigned long)(sum>>32); } Result.m_nValue[Result.m_nLength] = carry; Result.m_nLength += carry; return Result; } CBigInt CBigInt::operator-(CBigInt Subtrahend) { CBigInt Result; int carry=0; unsigned __int64 num; if((*this)<Subtrahend||(*this)==Subtrahend){ Result = 0; return Result; } Result.m_nLength = (*
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