AES加密后解密无结果，请教加密达人。
内容太长无法全部发出来，发到博客了。
http://blog.csdn.net/believe_me/article/details/7260727
请大家指点。
[解决办法]
源码太长了，究竟是流程问题还是其他错误不好直接看出来
提醒楼主一下，如果不是练习或者作业，不自己实现基础算法
看楼主的代码风格很规范，某些加密算法特有的变量命名似曾相识应该是比较专业的，项目中要用么？
就算调通了，楼主这种8位AES实现，即便用了查表法，性能也与常见的32位实现差距甚大
[解决办法]
http://www.cnblogs.com/mingcn/archive/2010/10/31/aes_c.html
C++的，楼主可以参考下
[解决办法]
#include "stdafx.h"#ifndef uint8#define uint8 unsigned char#endifuint8 sbox[256]={ 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16};uint8 invsbox[256] ={ 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D};class Rijndeal{public: char text[1000],text1[1000]; uint8 state[16]; uint8 key[16]; uint8 roundkey[11][16]; void add(uint8 s[16],uint8 k[16]); void subbyte(uint8 s[16]); void shiftrows(uint8 s[16]); void mixcolumns(uint8 s[16]); void keysehedule(); void rijndeal();//¼ÓÃÜ void jiami(); void invsubbyte(uint8 s[16]); void invshiftrows(uint8 s[16]); void invmixcolumns(uint8 s[16]); void invrijndeal(); void jiemi();};void Rijndeal::add(uint8 s[16],uint8 k[16]){ for(uint8 i=0;i<16;i++) s[i]^=k[i];}void Rijndeal::subbyte(uint8 s[16]){ for(int i=0;i<16;i++) s[i]=sbox[s[i]];}void Rijndeal::shiftrows(uint8 s[16]){ int i,t=s[4]; for(i=4;i<7;i++)s[i]=s[i+1]; s[i++]=t; t=s[i];s[i]=s[i+2];s[(i++)+2]=t; t=s[i];s[i]=s[i+2];s[i+2]=t; t=s[15]; for(i=15;i>12;i--)s[i]=s[i-1]; s[i]=t;}void Rijndeal::mixcolumns(uint8 s[16]){ int i; uint8 mix[4][4]={2,3,1,1,1,2,3,1,1,1,2,3,3,1,1,2}; uint8 ss[16]; for(i=0;i<16;i++)ss[i]=s[i]; for(i=0;i<4;i++) for(int j=0;j<4;j++) { int f[4]; for(int l=0;l<4;l++) { f[l]=ss[i+4*l]; if(mix[j][l]==2)f[l]<<=1; if(mix[j][l]==3)f[l]^=f[l]<<1; if(f[l]&0x100)f[l]^=0x11b;//Òç³öʱҪÒì»ò0x11b } s[4*j+i]=((uint8)f[0])^((uint8)f[1])^((uint8)f[2])^((uint8)f[3]); }}void Rijndeal::keysehedule(){ uint8 bit[10]={0x1,0x2,0x4,0x8,0x10,0x20,0x40,0x80,0x1b,0x36}; int i; for(i=0;i<16;i++)roundkey[0][i]=key[i]; for(i=1;i<=10;i++) { for(int j=0;j<4;j++) { uint8 f[4]; if(j==0) { for(int l=0;l<4;l++) f[l]=roundkey[i-1][3+l*4]; uint8 t=f[0]; for(l=0;l<3;l++)f[l]=f[l+1]; f[l]=t; for(l=0;l<4;l++)f[l]=sbox[f[l]]; roundkey[i][0]=roundkey[i-1][0]^f[0]^bit[i-1]; for(l=1;l<4;l++)roundkey[i][l*4]=roundkey[i-1][l*4]^f[l]; } else for(int l=0;l<4;l++) roundkey[i][j+l*4]=roundkey[i][j+l*4-1]^roundkey[i-1][j+l*4]; } }}void Rijndeal::rijndeal()//×é¼ÓÃÜ{ keysehedule(); add(state,roundkey[0]); for(int i=1;i<10;i++) { subbyte(state); shiftrows(state); mixcolumns(state); add(state,roundkey[i]); } subbyte(state); shiftrows(state); add(state,roundkey[i]);}void Rijndeal::jiami(){ int l=0,k=0,i; for(i=0;i<16&&text[i]!='\0';i++)key[i]=text[i];//°ÑÃ÷ÎĵÄÇ°16¸öµ±×ö³õʼÃÜÔ¿ if(i<16)for(;i<16;i++)key[i]=' ';//²»¹»16λ²¹¿Õ¸ô while(text[l]!='\0') { for(i=0;i<16&&text[l]!='\0';i++,l++)state[i]=text[l];//·Ö×é if(i<16)for(;i<16;i++)state[i]=' ';//·Ö×é²»¹»16룬°´¿Õ¸ô´¦Àí rijndeal(); for(i=0;i<16;i++) text1[k++]=state[i]; } text1[k]=NULL; printf("\nÊä³ö¼ÓÃܺóµÄÊý¾Ý:%s\n", text1);}void Rijndeal::invsubbyte(uint8 s[16]){ for(int i=0;i<16;i++) s[i]=invsbox[s[i]];}void Rijndeal::invshiftrows(uint8 s[16]){ int i,t; t=s[7]; for(i=7;i>4;i--)s[i]=s[i-1]; s[4]=t; t=s[8];s[8]=s[10];s[10]=t; t=s[9];s[9]=s[11];s[11]=t; t=s[12]; for(i=12;i<15;i++)s[i]=s[i+1]; s[15]=t;}void Rijndeal::invmixcolumns(uint8 s[16]){ int i; uint8 invmix[4][4]={14,11,13,9,9,14,11,13,13,9,14,11,11,13,9,14}; uint8 ss[16]; for(i=0;i<16;i++)ss[i]=s[i]; for(i=0;i<4;i++) for(int j=0;j<4;j++) { int f[4]; for(uint8 l=0;l<4;l++) { f[l]=ss[i+4*l]; int a,b,c; a=(uint8)f[l]<<1; if(a&0x100)a^=0x11b; b=a<<1; if(b&0x100)b^=0x11b; c=b<<1; if(c&0x100)c^=0x11b; if(invmix[j][l]==9) f[l]=f[l]^c; else if(invmix[j][l]==11) f[l]=f[l]^a^c; else if(invmix[j][l]==13) f[l]=f[l]^b^c; else if(invmix[j][l]==14) f[l]=a^b^c; } s[4*j+i]=f[0]^f[1]^f[2]^f[3]; }}void Rijndeal::invrijndeal()//×é½âÃÜ{ add(state,roundkey[10]); invshiftrows(state); invsubbyte(state); for(int i=9;i>0;i--) { add(state,roundkey[i]); invmixcolumns(state); invshiftrows(state); invsubbyte(state); } add(state,roundkey[0]);}void Rijndeal::jiemi(){ int l=0,k=0,i; while(text1[l]!=NULL) { for(i=0;i<16;i++,l++) state[i]=text1[l]; invrijndeal(); for(i=0;i<16;i++) text[k++]=state[i]; } text[k]='\0'; while(text[k-1]==' ')text[(k--)-1]='\0'; printf("\n½âÃܺóµÃÃ÷ÎÄΪ%s:\n", text);}int main(int argc, char* argv[]){ Rijndeal C; gets(C.text); C.jiami(); C.jiemi(); return 0;}
[解决办法]
TomCrypt
OpenSSL
都有C实现的AES
他们是广泛使用的通用库，高效稳定