aes128base64.rar

/************************************************************************/ /* ?車?邦﹞?那?㏒oAES128 ECB?㏒那?㏒?Base64??那??邦???㏒ 那米??2?3?1y64℅??迆米?℅?﹞?∩??車?邦㏒?辰?Base64??那?那?3??㏒ 那米??2?3?1y88??℅??迆Base64??那?℅?﹞?∩??a?邦?㏒ ?‾??2?℅?128bit米?2?﹞?㏒?辰?0x0021?? ?邦??2?3?1y16B,3?3?o車?芍3?∩赤*/ /************************************************************************/ #include "AES128Base64.h" //void output(unsigned char * p, int len ) //{ // int i = 0 ; // printf("0000~0015:"); // for(i = 0 ; i<len ; i ++)//p[i] // { // if(i && i % 16 == 0 ) // { // printf("\n"); // printf("%04d~%04d:",i,i+15); // } // printf(" 0x%02X ", p[i]); // } // printf(" \n"); //} /************************************************************************/ /* 那?豕?㏒o ?車?邦?邦??㏒??‾??℅?﹞?∩? ?車?邦o車米?Base64℅?﹞?∩??邦?? ?‾??2?3?1y64??℅?﹞?㏒?3?3??芍3?∩赤?㏒ ﹞米???米㏒o0 ?∩DD3谷1| ???? ?∩DD3?∩赤*/ /************************************************************************/ int Aes128Encry( const u8 *Key, const u8*SrcString, u8 *CipherText) { struct aes_ctx aes; int len ,rnd, tail, iCnt; u8 szOrgiText[65]={0}; //?-?? u8 iCiphBin[64] = {0}; //?邦?? HEX u8 *szCiphTestB64 = CipherText; //?邦?? Base64?車?邦 u8 Key16B[17] = {0}; //16B?邦?? strcpy((char*)Key16B, (char*)Key);// gen_tabs(); if(aes_set_key(&aes, Key16B , 16) != 0) { #if AES_DEBUG // printf("Can't set key : %s \n",Key16B); #endif //AES_DEBUG return -1; //?邦??3?∩赤 } len = strlen((char*)SrcString); if( len > 64 ) { #if AES_DEBUG // printf("Sorce String too long\n"); #endif return -2; } strcpy((char*)szOrgiText, (char*)SrcString); len = strlen((char*)szOrgiText); rnd = len/16;//?車?邦??那y tail = len%16;//℅?o車辰???2?℅?16℅??迆那㊣㏒?℅??迆那y芍? if (tail)//車D?2那y rnd+=1; for (iCnt = 0; iCnt < rnd; iCnt++) { aes_encrypt(&aes,iCiphBin + iCnt*16, szOrgiText + iCnt*16); } #if AES_DEBUG // printf("Encryp Result is : \n"); // output(iCiphBin, rnd *16 );// #endif base64_in(iCiphBin,szCiphTestB64, rnd *16); return 0;//?車?邦赤那㊣? } /************************************************************************/ /* 那?豕?㏒o ?a?邦?邦??㏒? ?邦??㏒??a?邦o車米?℅?﹞?∩? ?邦??2?3?1y88??℅?﹞?㏒?3?3??芍3?∩赤 ﹞米???米㏒o+ ?∩DD3谷1| ﹞米???a?邦℅??迆那y ???? ?∩DD3?∩赤*/ /************************************************************************/ int Aes128Decry(const u8 *Key, const u8 *CipherText, u8 *DestString)// { struct aes_ctx aes; int len ,rnd; u8 iCiphBin[64] = {0};//?邦?? HEX u8 szCiphTestB64[89] = {0}; //?邦?? Base64?車?邦 u8 *szDecoText = DestString; //?a?邦o車 int iCnt; u8 Key16B[17] = {0}; //16B?邦?? strcpy((char *)Key16B, (char*)Key);// gen_tabs(); if(aes_set_key(&aes, Key16B , 16) != 0) { #if AES_DEBUG // printf("Can't set key : %s \n",Key16B); #endif //AES_DEBUG return -1; //?邦??3?∩赤 } if (strlen((char*)CipherText) >89 || strlen((char*)CipherText) <= 0) { #if AES_DEBUG // printf("CiperTest Error\n"); #endif return -2; } strcpy((char*)szCiphTestB64,(char*)CipherText); len = base64_out(szCiphTestB64, iCiphBin);//iCiphBin,szCiphTestB64,(rnd) *16 #if AES_DEBUG // printf("Base64 To bin Result %d Bytes : \n",len); // output(iCiphBin,len ); #endif memset(szDecoText,0,len+1);//℅?o車1??米ㄓ?a∩?∩⊿/0 if ( len % 16 )//2?那?16℅??迆??那y㊣? { #if AES_DEBUG // printf("Buffer For AES Deciph Not Fit ",strlen(szCiphTestB64), szCiphTestB64); #endif return -2;//?邦??那y芍?2??? } rnd = len / 16; for ( iCnt = 0; iCnt < rnd; iCnt++) { aes_decrypt(&aes, szDecoText + iCnt*16,iCiphBin + iCnt*16); } #if AES_DEBUG // printf("Descrpy Result %d characters,which is : %s \n", strlen(szDecoText), szDecoText); #endif return len ; //?a?邦赤那㊣? ﹞米???a?邦米?℅??迆那y } /************************************************************************/ /* 那?豕?㏒o ?車?邦?邦??㏒??‾??BYTE[],?‾??3∟?豕㏒? ?車?邦o車米?Base64℅?﹞?∩??邦?? ?‾??2?3?1y64??℅?﹞?㏒?3?3??芍3?∩赤?㏒ ﹞米???米㏒o0 ?∩DD3谷1| ???? ?∩DD3?∩赤*/ /************************************************************************/ int Aes128EncryBin( const u8 *Key, const u8 *SrcBytes, unsigned int SrcLen, u8 *CipherText) { struct aes_ctx aes; int rnd, tail, iCnt; u8 szOrgiText[65]={0}; //?-?? u8 iCiphBin[64] = {0}; //?邦?? HEX u8 *szCiphTestB64 = CipherText; //?邦?? Base64?車?邦 u8 Key16B[17] = {0}; //16B?邦?? strcpy((char*)Key16B, (char*)Key);// gen_tabs(); if(aes_set_key(&aes, Key16B , 16) != 0) { #if AES_DEBUG // printf("Can't set key : %s \n",Key16B); #endif //AES_DEBUG return -1; //?邦??3?∩赤 } if( SrcLen > 64 ) { #if AES_DEBUG // printf("Sorce Buffer too long\n"); #endif return -2; } memcpy(szOrgiText, SrcBytes, SrcLen); rnd = SrcLen/16;//?車?邦??那y tail = SrcLen%16;//℅?o車辰???2?℅?16℅??迆那㊣㏒?℅??迆那y芍? if (tail)//車D?2那y rnd+=1; for (iCnt = 0; iCnt < rnd; iCnt++) { aes_encrypt(&aes,iCiphBin + iCnt*16, szOrgiText + iCnt*16); } #if AES_DEBUG // printf("Encryp Result is : \n"); // output(iCiphBin, rnd *16 );// #endif base64_in(iCiphBin,szCiphTestB64, rnd *16); return 0;//?車?邦赤那㊣? } /************************************************************************/ /* 那?豕?㏒o ?a?邦?邦??㏒? ?邦??㏒??a?邦o車米?℅?﹞?∩? ?邦??2?3?1y88??℅?﹞?㏒?3?3??芍3?∩赤 ﹞米???米㏒o?a?邦o車米??‾??℅??迆那y ???? ?∩DD3?∩赤*/ /************************************************************************/ int Aes128DecryBin(u8 *Key, const u8 *CipherText, u8 *DestBytes)// { struct aes_ctx aes; int len ,rnd; u8 iCiphBin[64] = {0};//?邦?? HEX u8 szCiphTestB64[89] = {0}; //?邦?? Base64?車?邦 u8 *szDecoText = DestBytes; //?a?邦o車 int iCnt; u8 Key16B[17] = {0}; //16B?邦?? strcpy((char*)Key16B, (char*)Key);// gen_tabs(); if(aes_set_key(&aes, Key16B , 16) != 0) { #if AES_DEBUG // printf("Can't set key : %s \n",Key16B); #endif //AES_DEBUG return -1; //?邦??3?∩赤 } if (strlen((char*)CipherText) >89 || strlen((char*)CipherText) <= 0) { #if AES_DEBUG // printf("CiperTest Error\n"); #endif return -2; } strcpy((char*)szCiphTestB64,(char*)CipherText); len = base64_out(szCiphTestB64, iCiphBin);//iCiphBin,szCiphTestB64,(rnd) *16 #if AES_DEBUG // printf("Base64 To bin Result %d Bytes : \n",len); // output(iCiphBin,len ); #endif memset(szDecoText,0,len);// if ( len % 16 )//2?那?16℅??迆??那y㊣? { #if AES_DEBUG // printf("Buffer For AES Deciph Not Fit ",strlen(szCiphTestB64), szCiphTestB64); #endif return -2;//?邦??那y芍?2??? } rnd = len / 16; for ( iCnt = 0; iCnt < rnd; iCnt++) { aes_decrypt(&aes, szDecoText + iCnt*16,iCiphBin + iCnt*16); } #if AES_DEBUG // printf("Descrpy Result %d characters,which is : %s \n", strlen(szDecoText), szDecoText); #endif return len ; //?a?邦赤那㊣? }