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Diffstat (limited to 'secure/lib/libdes/xcbc_enc.c')
-rw-r--r--secure/lib/libdes/xcbc_enc.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/secure/lib/libdes/xcbc_enc.c b/secure/lib/libdes/xcbc_enc.c
index 98bf631..9071acf 100644
--- a/secure/lib/libdes/xcbc_enc.c
+++ b/secure/lib/libdes/xcbc_enc.c
@@ -48,6 +48,58 @@
#include "des_locl.h"
/* RSA's DESX */
+
+static unsigned char desx_white_in2out[256]={
+0xBD,0x56,0xEA,0xF2,0xA2,0xF1,0xAC,0x2A,0xB0,0x93,0xD1,0x9C,0x1B,0x33,0xFD,0xD0,
+0x30,0x04,0xB6,0xDC,0x7D,0xDF,0x32,0x4B,0xF7,0xCB,0x45,0x9B,0x31,0xBB,0x21,0x5A,
+0x41,0x9F,0xE1,0xD9,0x4A,0x4D,0x9E,0xDA,0xA0,0x68,0x2C,0xC3,0x27,0x5F,0x80,0x36,
+0x3E,0xEE,0xFB,0x95,0x1A,0xFE,0xCE,0xA8,0x34,0xA9,0x13,0xF0,0xA6,0x3F,0xD8,0x0C,
+0x78,0x24,0xAF,0x23,0x52,0xC1,0x67,0x17,0xF5,0x66,0x90,0xE7,0xE8,0x07,0xB8,0x60,
+0x48,0xE6,0x1E,0x53,0xF3,0x92,0xA4,0x72,0x8C,0x08,0x15,0x6E,0x86,0x00,0x84,0xFA,
+0xF4,0x7F,0x8A,0x42,0x19,0xF6,0xDB,0xCD,0x14,0x8D,0x50,0x12,0xBA,0x3C,0x06,0x4E,
+0xEC,0xB3,0x35,0x11,0xA1,0x88,0x8E,0x2B,0x94,0x99,0xB7,0x71,0x74,0xD3,0xE4,0xBF,
+0x3A,0xDE,0x96,0x0E,0xBC,0x0A,0xED,0x77,0xFC,0x37,0x6B,0x03,0x79,0x89,0x62,0xC6,
+0xD7,0xC0,0xD2,0x7C,0x6A,0x8B,0x22,0xA3,0x5B,0x05,0x5D,0x02,0x75,0xD5,0x61,0xE3,
+0x18,0x8F,0x55,0x51,0xAD,0x1F,0x0B,0x5E,0x85,0xE5,0xC2,0x57,0x63,0xCA,0x3D,0x6C,
+0xB4,0xC5,0xCC,0x70,0xB2,0x91,0x59,0x0D,0x47,0x20,0xC8,0x4F,0x58,0xE0,0x01,0xE2,
+0x16,0x38,0xC4,0x6F,0x3B,0x0F,0x65,0x46,0xBE,0x7E,0x2D,0x7B,0x82,0xF9,0x40,0xB5,
+0x1D,0x73,0xF8,0xEB,0x26,0xC7,0x87,0x97,0x25,0x54,0xB1,0x28,0xAA,0x98,0x9D,0xA5,
+0x64,0x6D,0x7A,0xD4,0x10,0x81,0x44,0xEF,0x49,0xD6,0xAE,0x2E,0xDD,0x76,0x5C,0x2F,
+0xA7,0x1C,0xC9,0x09,0x69,0x9A,0x83,0xCF,0x29,0x39,0xB9,0xE9,0x4C,0xFF,0x43,0xAB,
+ };
+
+void des_xwhite_in2out(des_key,in_white,out_white)
+des_cblock (*des_key);
+des_cblock (*in_white);
+des_cblock (*out_white);
+ {
+ unsigned char *key,*in,*out;
+ int out0,out1;
+ int i;
+
+ key=(unsigned char *)des_key;
+ in=(unsigned char *)in_white;
+ out=(unsigned char *)out_white;
+
+ out[0]=out[1]=out[2]=out[3]=out[4]=out[5]=out[6]=out[7]=0;
+ out0=out1=0;
+ for (i=0; i<8; i++)
+ {
+ out[i]=key[i]^desx_white_in2out[out0^out1];
+ out0=out1;
+ out1=(int)out[i&0x07];
+ }
+
+ out0=out[0];
+ out1=out[i];
+ for (i=0; i<8; i++)
+ {
+ out[i]=in[i]^desx_white_in2out[out0^out1];
+ out0=out1;
+ out1=(int)out[i&0x07];
+ }
+ }
+
void des_xcbc_encrypt(input, output, length, schedule, ivec, inw,outw,encrypt)
des_cblock (*input);
des_cblock (*output);
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