/* crypto/des/destest.c */ /* Copyright (C) 1995-1996 Eric Young (eay@mincom.oz.au) * All rights reserved. * * This file is part of an SSL implementation written * by Eric Young (eay@mincom.oz.au). * The implementation was written so as to conform with Netscapes SSL * specification. This library and applications are * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE * as long as the following conditions are aheared to. * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. If this code is used in a product, * Eric Young should be given attribution as the author of the parts used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Eric Young (eay@mincom.oz.au) * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #if defined(WIN32) || defined(WIN16) || defined(WINDOWS) #ifndef MSDOS #define MSDOS #endif #endif #include #include #ifndef MSDOS #include #else #include #endif #include #include "des.h" /* tisk tisk - the test keys don't all have odd parity :-( */ /* test data */ #define NUM_TESTS 34 static unsigned char key_data[NUM_TESTS][8]={ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}, {0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0xFE,0xDC,0xBA,0x98,0x76,0x54,0x32,0x10}, {0x7C,0xA1,0x10,0x45,0x4A,0x1A,0x6E,0x57}, {0x01,0x31,0xD9,0x61,0x9D,0xC1,0x37,0x6E}, {0x07,0xA1,0x13,0x3E,0x4A,0x0B,0x26,0x86}, {0x38,0x49,0x67,0x4C,0x26,0x02,0x31,0x9E}, {0x04,0xB9,0x15,0xBA,0x43,0xFE,0xB5,0xB6}, {0x01,0x13,0xB9,0x70,0xFD,0x34,0xF2,0xCE}, {0x01,0x70,0xF1,0x75,0x46,0x8F,0xB5,0xE6}, {0x43,0x29,0x7F,0xAD,0x38,0xE3,0x73,0xFE}, {0x07,0xA7,0x13,0x70,0x45,0xDA,0x2A,0x16}, {0x04,0x68,0x91,0x04,0xC2,0xFD,0x3B,0x2F}, {0x37,0xD0,0x6B,0xB5,0x16,0xCB,0x75,0x46}, {0x1F,0x08,0x26,0x0D,0x1A,0xC2,0x46,0x5E}, {0x58,0x40,0x23,0x64,0x1A,0xBA,0x61,0x76}, {0x02,0x58,0x16,0x16,0x46,0x29,0xB0,0x07}, {0x49,0x79,0x3E,0xBC,0x79,0xB3,0x25,0x8F}, {0x4F,0xB0,0x5E,0x15,0x15,0xAB,0x73,0xA7}, {0x49,0xE9,0x5D,0x6D,0x4C,0xA2,0x29,0xBF}, {0x01,0x83,0x10,0xDC,0x40,0x9B,0x26,0xD6}, {0x1C,0x58,0x7F,0x1C,0x13,0x92,0x4F,0xEF}, {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01}, {0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E}, {0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0xFE,0xDC,0xBA,0x98,0x76,0x54,0x32,0x10}}; static unsigned char plain_data[NUM_TESTS][8]={ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}, {0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x01}, {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0x01,0xA1,0xD6,0xD0,0x39,0x77,0x67,0x42}, {0x5C,0xD5,0x4C,0xA8,0x3D,0xEF,0x57,0xDA}, {0x02,0x48,0xD4,0x38,0x06,0xF6,0x71,0x72}, {0x51,0x45,0x4B,0x58,0x2D,0xDF,0x44,0x0A}, {0x42,0xFD,0x44,0x30,0x59,0x57,0x7F,0xA2}, {0x05,0x9B,0x5E,0x08,0x51,0xCF,0x14,0x3A}, {0x07,0x56,0xD8,0xE0,0x77,0x47,0x61,0xD2}, {0x76,0x25,0x14,0xB8,0x29,0xBF,0x48,0x6A}, {0x3B,0xDD,0x11,0x90,0x49,0x37,0x28,0x02}, {0x26,0x95,0x5F,0x68,0x35,0xAF,0x60,0x9A}, {0x16,0x4D,0x5E,0x40,0x4F,0x27,0x52,0x32}, {0x6B,0x05,0x6E,0x18,0x75,0x9F,0x5C,0xCA}, {0x00,0x4B,0xD6,0xEF,0x09,0x17,0x60,0x62}, {0x48,0x0D,0x39,0x00,0x6E,0xE7,0x62,0xF2}, {0x43,0x75,0x40,0xC8,0x69,0x8F,0x3C,0xFA}, {0x07,0x2D,0x43,0xA0,0x77,0x07,0x52,0x92}, {0x02,0xFE,0x55,0x77,0x81,0x17,0xF1,0x2A}, {0x1D,0x9D,0x5C,0x50,0x18,0xF7,0x28,0xC2}, {0x30,0x55,0x32,0x28,0x6D,0x6F,0x29,0x5A}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}, {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}, {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}}; static unsigned char cipher_data[NUM_TESTS][8]={ {0x8C,0xA6,0x4D,0xE9,0xC1,0xB1,0x23,0xA7}, {0x73,0x59,0xB2,0x16,0x3E,0x4E,0xDC,0x58}, {0x95,0x8E,0x6E,0x62,0x7A,0x05,0x55,0x7B}, {0xF4,0x03,0x79,0xAB,0x9E,0x0E,0xC5,0x33}, {0x17,0x66,0x8D,0xFC,0x72,0x92,0x53,0x2D}, {0x8A,0x5A,0xE1,0xF8,0x1A,0xB8,0xF2,0xDD}, {0x8C,0xA6,0x4D,0xE9,0xC1,0xB1,0x23,0xA7}, {0xED,0x39,0xD9,0x50,0xFA,0x74,0xBC,0xC4}, {0x69,0x0F,0x5B,0x0D,0x9A,0x26,0x93,0x9B}, {0x7A,0x38,0x9D,0x10,0x35,0x4B,0xD2,0x71}, {0x86,0x8E,0xBB,0x51,0xCA,0xB4,0x59,0x9A}, {0x71,0x78,0x87,0x6E,0x01,0xF1,0x9B,0x2A}, {0xAF,0x37,0xFB,0x42,0x1F,0x8C,0x40,0x95}, {0x86,0xA5,0x60,0xF1,0x0E,0xC6,0xD8,0x5B}, {0x0C,0xD3,0xDA,0x02,0x00,0x21,0xDC,0x09}, {0xEA,0x67,0x6B,0x2C,0xB7,0xDB,0x2B,0x7A}, {0xDF,0xD6,0x4A,0x81,0x5C,0xAF,0x1A,0x0F}, {0x5C,0x51,0x3C,0x9C,0x48,0x86,0xC0,0x88}, {0x0A,0x2A,0xEE,0xAE,0x3F,0xF4,0xAB,0x77}, {0xEF,0x1B,0xF0,0x3E,0x5D,0xFA,0x57,0x5A}, {0x88,0xBF,0x0D,0xB6,0xD7,0x0D,0xEE,0x56}, {0xA1,0xF9,0x91,0x55,0x41,0x02,0x0B,0x56}, {0x6F,0xBF,0x1C,0xAF,0xCF,0xFD,0x05,0x56}, {0x2F,0x22,0xE4,0x9B,0xAB,0x7C,0xA1,0xAC}, {0x5A,0x6B,0x61,0x2C,0xC2,0x6C,0xCE,0x4A}, {0x5F,0x4C,0x03,0x8E,0xD1,0x2B,0x2E,0x41}, {0x63,0xFA,0xC0,0xD0,0x34,0xD9,0xF7,0x93}, {0x61,0x7B,0x3A,0x0C,0xE8,0xF0,0x71,0x00}, {0xDB,0x95,0x86,0x05,0xF8,0xC8,0xC6,0x06}, {0xED,0xBF,0xD1,0xC6,0x6C,0x29,0xCC,0xC7}, {0x35,0x55,0x50,0xB2,0x15,0x0E,0x24,0x51}, {0xCA,0xAA,0xAF,0x4D,0xEA,0xF1,0xDB,0xAE}, {0xD5,0xD4,0x4F,0xF7,0x20,0x68,0x3D,0x0D}, {0x2A,0x2B,0xB0,0x08,0xDF,0x97,0xC2,0xF2}}; static unsigned char cipher_ecb2[NUM_TESTS-1][8]={ {0x92,0x95,0xB5,0x9B,0xB3,0x84,0x73,0x6E}, {0x19,0x9E,0x9D,0x6D,0xF3,0x9A,0xA8,0x16}, {0x2A,0x4B,0x4D,0x24,0x52,0x43,0x84,0x27}, {0x35,0x84,0x3C,0x01,0x9D,0x18,0xC5,0xB6}, {0x4A,0x5B,0x2F,0x42,0xAA,0x77,0x19,0x25}, {0xA0,0x6B,0xA9,0xB8,0xCA,0x5B,0x17,0x8A}, {0xAB,0x9D,0xB7,0xFB,0xED,0x95,0xF2,0x74}, {0x3D,0x25,0x6C,0x23,0xA7,0x25,0x2F,0xD6}, {0xB7,0x6F,0xAB,0x4F,0xBD,0xBD,0xB7,0x67}, {0x8F,0x68,0x27,0xD6,0x9C,0xF4,0x1A,0x10}, {0x82,0x57,0xA1,0xD6,0x50,0x5E,0x81,0x85}, {0xA2,0x0F,0x0A,0xCD,0x80,0x89,0x7D,0xFA}, {0xCD,0x2A,0x53,0x3A,0xDB,0x0D,0x7E,0xF3}, {0xD2,0xC2,0xBE,0x27,0xE8,0x1B,0x68,0xE3}, {0xE9,0x24,0xCF,0x4F,0x89,0x3C,0x5B,0x0A}, {0xA7,0x18,0xC3,0x9F,0xFA,0x9F,0xD7,0x69}, {0x77,0x2C,0x79,0xB1,0xD2,0x31,0x7E,0xB1}, {0x49,0xAB,0x92,0x7F,0xD0,0x22,0x00,0xB7}, {0xCE,0x1C,0x6C,0x7D,0x85,0xE3,0x4A,0x6F}, {0xBE,0x91,0xD6,0xE1,0x27,0xB2,0xE9,0x87}, {0x70,0x28,0xAE,0x8F,0xD1,0xF5,0x74,0x1A}, {0xAA,0x37,0x80,0xBB,0xF3,0x22,0x1D,0xDE}, {0xA6,0xC4,0xD2,0x5E,0x28,0x93,0xAC,0xB3}, {0x22,0x07,0x81,0x5A,0xE4,0xB7,0x1A,0xAD}, {0xDC,0xCE,0x05,0xE7,0x07,0xBD,0xF5,0x84}, {0x26,0x1D,0x39,0x2C,0xB3,0xBA,0xA5,0x85}, {0xB4,0xF7,0x0F,0x72,0xFB,0x04,0xF0,0xDC}, {0x95,0xBA,0xA9,0x4E,0x87,0x36,0xF2,0x89}, {0xD4,0x07,0x3A,0xF1,0x5A,0x17,0x82,0x0E}, {0xEF,0x6F,0xAF,0xA7,0x66,0x1A,0x7E,0x89}, {0xC1,0x97,0xF5,0x58,0x74,0x8A,0x20,0xE7}, {0x43,0x34,0xCF,0xDA,0x22,0xC4,0x86,0xC8}, {0x08,0xD7,0xB4,0xFB,0x62,0x9D,0x08,0x85}}; static unsigned char cbc_key [8]={0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef}; static unsigned char cbc2_key[8]={0xf0,0xe1,0xd2,0xc3,0xb4,0xa5,0x96,0x87}; static unsigned char cbc3_key[8]={0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10}; static unsigned char cbc_iv [8]={0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10}; static char cbc_data[40]="7654321 Now is the time for "; static unsigned char cbc_ok[32]={ 0xcc,0xd1,0x73,0xff,0xab,0x20,0x39,0xf4, 0xac,0xd8,0xae,0xfd,0xdf,0xd8,0xa1,0xeb, 0x46,0x8e,0x91,0x15,0x78,0x88,0xba,0x68, 0x1d,0x26,0x93,0x97,0xf7,0xfe,0x62,0xb4}; static unsigned char cbc3_ok[32]={ 0x3F,0xE3,0x01,0xC9,0x62,0xAC,0x01,0xD0, 0x22,0x13,0x76,0x3C,0x1C,0xBD,0x4C,0xDC, 0x79,0x96,0x57,0xC0,0x64,0xEC,0xF5,0xD4, 0x1C,0x67,0x38,0x12,0xCF,0xDE,0x96,0x75}; static unsigned char pcbc_ok[32]={ 0xcc,0xd1,0x73,0xff,0xab,0x20,0x39,0xf4, 0x6d,0xec,0xb4,0x70,0xa0,0xe5,0x6b,0x15, 0xae,0xa6,0xbf,0x61,0xed,0x7d,0x9c,0x9f, 0xf7,0x17,0x46,0x3b,0x8a,0xb3,0xcc,0x88}; static unsigned char cfb_key[8]={0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef}; static unsigned char cfb_iv[8]={0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef}; static unsigned char cfb_buf1[40],cfb_buf2[40],cfb_tmp[8]; static unsigned char plain[24]= { 0x4e,0x6f,0x77,0x20,0x69,0x73, 0x20,0x74,0x68,0x65,0x20,0x74, 0x69,0x6d,0x65,0x20,0x66,0x6f, 0x72,0x20,0x61,0x6c,0x6c,0x20 }; static unsigned char cfb_cipher8[24]= { 0xf3,0x1f,0xda,0x07,0x01,0x14, 0x62,0xee,0x18,0x7f,0x43,0xd8, 0x0a,0x7c,0xd9,0xb5,0xb0,0xd2, 0x90,0xda,0x6e,0x5b,0x9a,0x87 }; static unsigned char cfb_cipher16[24]={ 0xF3,0x09,0x87,0x87,0x7F,0x57, 0xF7,0x3C,0x36,0xB6,0xDB,0x70, 0xD8,0xD5,0x34,0x19,0xD3,0x86, 0xB2,0x23,0xB7,0xB2,0xAD,0x1B }; static unsigned char cfb_cipher32[24]={ 0xF3,0x09,0x62,0x49,0xA4,0xDF, 0xA4,0x9F,0x33,0xDC,0x7B,0xAD, 0x4C,0xC8,0x9F,0x64,0xE4,0x53, 0xE5,0xEC,0x67,0x20,0xDA,0xB6 }; static unsigned char cfb_cipher48[24]={ 0xF3,0x09,0x62,0x49,0xC7,0xF4, 0x30,0xB5,0x15,0xEC,0xBB,0x85, 0x97,0x5A,0x13,0x8C,0x68,0x60, 0xE2,0x38,0x34,0x3C,0xDC,0x1F }; static unsigned char cfb_cipher64[24]={ 0xF3,0x09,0x62,0x49,0xC7,0xF4, 0x6E,0x51,0xA6,0x9E,0x83,0x9B, 0x1A,0x92,0xF7,0x84,0x03,0x46, 0x71,0x33,0x89,0x8E,0xA6,0x22 }; static unsigned char ofb_key[8]={0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef}; static unsigned char ofb_iv[8]={0x12,0x34,0x56,0x78,0x90,0xab,0xcd,0xef}; static unsigned char ofb_buf1[24],ofb_buf2[24],ofb_tmp[8]; static unsigned char ofb_cipher[24]= { 0xf3,0x09,0x62,0x49,0xc7,0xf4,0x6e,0x51, 0x35,0xf2,0x4a,0x24,0x2e,0xeb,0x3d,0x3f, 0x3d,0x6d,0x5b,0xe3,0x25,0x5a,0xf8,0xc3 }; DES_LONG cbc_cksum_ret=0xB462FEF7L; unsigned char cbc_cksum_data[8]={0x1D,0x26,0x93,0x97,0xf7,0xfe,0x62,0xb4}; #ifndef NOPROTO static char *pt(unsigned char *p); static int cfb_test(int bits, unsigned char *cfb_cipher); static int cfb64_test(unsigned char *cfb_cipher); static int ede_cfb64_test(unsigned char *cfb_cipher); #else static char *pt(); static int cfb_test(); static int cfb64_test(); static int ede_cfb64_test(); #endif int main(argc,argv) int argc; char *argv[]; { int i,j,err=0; des_cblock in,out,outin,iv3; des_key_schedule ks,ks2,ks3; unsigned char cbc_in[40]; unsigned char cbc_out[40]; DES_LONG cs; unsigned char qret[4][4],cret[8]; DES_LONG lqret[4]; int num; char *str; printf("Doing ecb\n"); for (i=0; i>4)&0xf]; ret[i*2+1]=f[p[i]&0xf]; } ret[16]='\0'; return(ret); } static int cfb_test(bits, cfb_cipher) int bits; unsigned char *cfb_cipher; { des_key_schedule ks; int i,err=0; des_key_sched((C_Block *)cfb_key,ks); memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); des_cfb_encrypt(plain,cfb_buf1,bits,(long)sizeof(plain),ks, (C_Block *)cfb_tmp,DES_ENCRYPT); if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0) { err=1; printf("cfb_encrypt encrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf1[i]))); } memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); des_cfb_encrypt(cfb_buf1,cfb_buf2,bits,(long)sizeof(plain),ks, (C_Block *)cfb_tmp,DES_DECRYPT); if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0) { err=1; printf("cfb_encrypt decrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf1[i]))); } return(err); } static int cfb64_test(cfb_cipher) unsigned char *cfb_cipher; { des_key_schedule ks; int err=0,i,n; des_key_sched((C_Block *)cfb_key,ks); memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); n=0; des_cfb64_encrypt(plain,cfb_buf1,(long)12,ks, (C_Block *)cfb_tmp,&n,DES_ENCRYPT); des_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]), (long)sizeof(plain)-12,ks, (C_Block *)cfb_tmp,&n,DES_ENCRYPT); if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0) { err=1; printf("cfb_encrypt encrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf1[i]))); } memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); n=0; des_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,ks, (C_Block *)cfb_tmp,&n,DES_DECRYPT); des_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]), (long)sizeof(plain)-17,ks, (C_Block *)cfb_tmp,&n,DES_DECRYPT); if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0) { err=1; printf("cfb_encrypt decrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf2[i]))); } return(err); } static int ede_cfb64_test(cfb_cipher) unsigned char *cfb_cipher; { des_key_schedule ks; int err=0,i,n; des_key_sched((C_Block *)cfb_key,ks); memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); n=0; des_ede3_cfb64_encrypt(plain,cfb_buf1,(long)12,ks,ks,ks, (C_Block *)cfb_tmp,&n,DES_ENCRYPT); des_ede3_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]), (long)sizeof(plain)-12,ks,ks,ks, (C_Block *)cfb_tmp,&n,DES_ENCRYPT); if (memcmp(cfb_cipher,cfb_buf1,sizeof(plain)) != 0) { err=1; printf("ede_cfb_encrypt encrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf1[i]))); } memcpy(cfb_tmp,cfb_iv,sizeof(cfb_iv)); n=0; des_ede3_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,ks,ks,ks, (C_Block *)cfb_tmp,&n,DES_DECRYPT); des_ede3_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]), (long)sizeof(plain)-17,ks,ks,ks, (C_Block *)cfb_tmp,&n,DES_DECRYPT); if (memcmp(plain,cfb_buf2,sizeof(plain)) != 0) { err=1; printf("ede_cfb_encrypt decrypt error\n"); for (i=0; i<24; i+=8) printf("%s\n",pt(&(cfb_buf2[i]))); } return(err); }