提交 649cdb7b 编写于 作者: B Ben Laurie

Fix major cockup with short keys in CAST-128.

上级 fdd3b642
...@@ -5,6 +5,16 @@ ...@@ -5,6 +5,16 @@
Changes between 0.9.1c and 0.9.2 Changes between 0.9.1c and 0.9.2
*) CAST-128 was incorrectly implemented for short keys. The C version has
been fixed, but is untested. The assembler versions are also fixed, but
new assembler HAS NOT BEEN GENERATED FOR WIN32 - the Makefile needs fixing
to regenerate it if needed.
[Ben Laurie, reported (with fix for C version) by Jun-ichiro itojun
Hagino <itojun@kame.net>]
*) File was opened incorrectly in randfile.c.
[Ulf Möller <ulf@fitug.de>]
*) Beginning of support for GeneralizedTime. d2i, i2d, check and print *) Beginning of support for GeneralizedTime. d2i, i2d, check and print
functions. Also ASN1_TIME suite which is a CHOICE of UTCTime or functions. Also ASN1_TIME suite which is a CHOICE of UTCTime or
GeneralizedTime. ASN1_TIME is the proper type used in certificates et GeneralizedTime. ASN1_TIME is the proper type used in certificates et
......
...@@ -66,7 +66,7 @@ asm/cx86-out.o: asm/cx86unix.cpp ...@@ -66,7 +66,7 @@ asm/cx86-out.o: asm/cx86unix.cpp
asm/cx86bsdi.o: asm/cx86unix.cpp asm/cx86bsdi.o: asm/cx86unix.cpp
$(CPP) -DBSDI asm/cx86unix.cpp | sed 's/ :/:/' | as -o asm/cx86bsdi.o $(CPP) -DBSDI asm/cx86unix.cpp | sed 's/ :/:/' | as -o asm/cx86bsdi.o
asm/cx86unix.cpp: asm/cx86unix.cpp: asm/cast-586.pl
(cd asm; perl cast-586.pl cpp >cx86unix.cpp) (cd asm; perl cast-586.pl cpp >cx86unix.cpp)
files: files:
......
...@@ -32,136 +32,144 @@ $S4="CAST_S_table3"; ...@@ -32,136 +32,144 @@ $S4="CAST_S_table3";
&asm_finish(); &asm_finish();
sub CAST_encrypt sub CAST_encrypt {
{ local($name,$enc)=@_;
local($name,$enc)=@_;
local($win_ex)=<<"EOF"; local($win_ex)=<<"EOF";
EXTERN _CAST_S_table0:DWORD EXTERN _CAST_S_table0:DWORD
EXTERN _CAST_S_table1:DWORD EXTERN _CAST_S_table1:DWORD
EXTERN _CAST_S_table2:DWORD EXTERN _CAST_S_table2:DWORD
EXTERN _CAST_S_table3:DWORD EXTERN _CAST_S_table3:DWORD
EOF EOF
&main'external_label( &main::external_label(
"CAST_S_table0", "CAST_S_table0",
"CAST_S_table1", "CAST_S_table1",
"CAST_S_table2", "CAST_S_table2",
"CAST_S_table3", "CAST_S_table3",
); );
&function_begin_B($name,$win_ex); &function_begin_B($name,$win_ex);
&comment(""); &comment("");
&push("ebp"); &push("ebp");
&push("ebx"); &push("ebx");
&mov($tmp2,&wparam(0)); &mov($tmp2,&wparam(0));
&mov($K,&wparam(1)); &mov($K,&wparam(1));
&push("esi"); &push("esi");
&push("edi"); &push("edi");
&comment("Load the 2 words"); &comment("Load the 2 words");
&mov($L,&DWP(0,$tmp2,"",0)); &mov($L,&DWP(0,$tmp2,"",0));
&mov($R,&DWP(4,$tmp2,"",0)); &mov($R,&DWP(4,$tmp2,"",0));
&xor( $tmp3, $tmp3); &comment('Get short key flag');
&mov($tmp3,&DWP(128,$K,"",0));
# encrypting part if($enc) {
&push($tmp3);
if ($enc) } else {
{ &or($tmp3,$tmp3);
&E_CAST( 0,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &jnz(&label('cast_dec_skip'));
&E_CAST( 1,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); }
&E_CAST( 2,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 3,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &xor($tmp3, $tmp3);
&E_CAST( 4,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 5,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); # encrypting part
&E_CAST( 6,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 7,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); if ($enc) {
&E_CAST( 8,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 0,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 9,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 1,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(10,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 2,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(11,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 3,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(12,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 4,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(13,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 5,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(14,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST( 6,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(15,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4,1); &E_CAST( 7,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
} &E_CAST( 8,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
else &E_CAST( 9,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
{ &E_CAST(10,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(15,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(11,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST(14,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &comment('test short key flag');
&E_CAST(13,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &pop($tmp4);
&E_CAST(12,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &or($tmp4,$tmp4);
&E_CAST(11,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &jnz(&label('cast_enc_done'));
&E_CAST(10,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(12,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 9,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(13,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 8,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(14,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 7,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(15,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 6,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); } else {
&E_CAST( 5,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(15,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 4,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(14,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 3,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(13,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 2,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4); &E_CAST(12,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 1,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4); &set_label('cast_dec_skip');
&E_CAST( 0,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4,1); &E_CAST(11,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
} &E_CAST(10,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 9,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&nop(); &E_CAST( 8,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
&mov(&DWP(4,$tmp3,"",0),$L); &E_CAST( 7,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&mov(&DWP(0,$tmp3,"",0),$R); &E_CAST( 6,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
&function_end($name); &E_CAST( 5,$S,$L,$R,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
} &E_CAST( 4,$S,$R,$L,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
&E_CAST( 3,$S,$L,$R,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
sub E_CAST &E_CAST( 2,$S,$R,$L,$K,@F3,$tmp1,$tmp2,$tmp3,$tmp4);
{ &E_CAST( 1,$S,$L,$R,$K,@F2,$tmp1,$tmp2,$tmp3,$tmp4);
local($i,$S,$L,$R,$K,$OP1,$OP2,$OP3,$tmp1,$tmp2,$tmp3,$tmp4,$lst)=@_; &E_CAST( 0,$S,$R,$L,$K,@F1,$tmp1,$tmp2,$tmp3,$tmp4);
# Ri needs to have 16 pre added. }
&comment("round $i"); &set_label('cast_enc_done') if $enc;
&mov( $tmp4, &DWP($i*8,$K,"",1)); # Why the nop? - Ben 17/1/99
&nop();
&mov( $tmp1, &DWP($i*8+4,$K,"",1));# must be word &mov($tmp3,&wparam(0));
&$OP1( $tmp4, $R); &mov(&DWP(4,$tmp3,"",0),$L);
&mov(&DWP(0,$tmp3,"",0),$R);
&rotl( $tmp4, &LB($tmp1)); &function_end($name);
}
if ($ppro)
{ sub E_CAST {
&mov( $tmp2, $tmp4); # B local($i,$S,$L,$R,$K,$OP1,$OP2,$OP3,$tmp1,$tmp2,$tmp3,$tmp4)=@_;
&xor( $tmp1, $tmp1); # Ri needs to have 16 pre added.
&movb( &LB($tmp1), &HB($tmp4)); # A &comment("round $i");
&and( $tmp2, 0xff); &mov( $tmp4, &DWP($i*8,$K,"",1));
&shr( $tmp4, 16); # &mov( $tmp1, &DWP($i*8+4,$K,"",1));
&xor( $tmp3, $tmp3); &$OP1( $tmp4, $R);
}
else &rotl( $tmp4, &LB($tmp1));
{
&mov( $tmp2, $tmp4); # B if ($ppro) {
&movb( &LB($tmp1), &HB($tmp4)); # A # BAD BAD BAD &mov( $tmp2, $tmp4); # B
&xor( $tmp1, $tmp1);
&shr( $tmp4, 16); #
&and( $tmp2, 0xff); &movb( &LB($tmp1), &HB($tmp4)); # A
} &and( $tmp2, 0xff);
&movb( &LB($tmp3), &HB($tmp4)); # C # BAD BAD BAD &shr( $tmp4, 16); #
&and( $tmp4, 0xff); # D &xor( $tmp3, $tmp3);
} else {
&mov( $tmp1, &DWP($S1,"",$tmp1,4)); &mov( $tmp2, $tmp4); # B
&mov( $tmp2, &DWP($S2,"",$tmp2,4)); &movb( &LB($tmp1), &HB($tmp4)); # A # BAD BAD BAD
&$OP2( $tmp1, $tmp2); &shr( $tmp4, 16); #
&mov( $tmp2, &DWP($S3,"",$tmp3,4)); &and( $tmp2, 0xff);
}
&$OP3( $tmp1, $tmp2);
&mov( $tmp2, &DWP($S4,"",$tmp4,4)); &movb( &LB($tmp3), &HB($tmp4)); # C # BAD BAD BAD
&and( $tmp4, 0xff); # D
&$OP1( $tmp1, $tmp2);
&mov($tmp3,&wparam(0)) if $lst; &mov( $tmp1, &DWP($S1,"",$tmp1,4));
# XXX &mov( $tmp2, &DWP($S2,"",$tmp2,4));
&xor( $L, $tmp1); &$OP2( $tmp1, $tmp2);
# XXX &mov( $tmp2, &DWP($S3,"",$tmp3,4));
}
&$OP3( $tmp1, $tmp2);
&mov( $tmp2, &DWP($S4,"",$tmp4,4));
&$OP1( $tmp1, $tmp2);
# XXX
&xor( $L, $tmp1);
# XXX
}
...@@ -81,10 +81,13 @@ CAST_KEY *key; ...@@ -81,10 +81,13 @@ CAST_KEY *key;
E_CAST( 9,k,r,l,+,^,-); E_CAST( 9,k,r,l,+,^,-);
E_CAST(10,k,l,r,^,-,+); E_CAST(10,k,l,r,^,-,+);
E_CAST(11,k,r,l,-,+,^); E_CAST(11,k,r,l,-,+,^);
E_CAST(12,k,l,r,+,^,-); if(!k->short_key)
E_CAST(13,k,r,l,^,-,+); {
E_CAST(14,k,l,r,-,+,^); E_CAST(12,k,l,r,+,^,-);
E_CAST(15,k,r,l,+,^,-); E_CAST(13,k,r,l,^,-,+);
E_CAST(14,k,l,r,-,+,^);
E_CAST(15,k,r,l,+,^,-);
}
data[1]=l&0xffffffffL; data[1]=l&0xffffffffL;
data[0]=r&0xffffffffL; data[0]=r&0xffffffffL;
...@@ -100,10 +103,13 @@ CAST_KEY *key; ...@@ -100,10 +103,13 @@ CAST_KEY *key;
l=data[0]; l=data[0];
r=data[1]; r=data[1];
E_CAST(15,k,l,r,+,^,-); if(!k->short_key)
E_CAST(14,k,r,l,-,+,^); {
E_CAST(13,k,l,r,^,-,+); E_CAST(15,k,l,r,+,^,-);
E_CAST(12,k,r,l,+,^,-); E_CAST(14,k,r,l,-,+,^);
E_CAST(13,k,l,r,^,-,+);
E_CAST(12,k,r,l,+,^,-);
}
E_CAST(11,k,l,r,-,+,^); E_CAST(11,k,l,r,-,+,^);
E_CAST(10,k,r,l,^,-,+); E_CAST(10,k,r,l,^,-,+);
E_CAST( 9,k,l,r,+,^,-); E_CAST( 9,k,l,r,+,^,-);
......
...@@ -88,6 +88,10 @@ unsigned char *data; ...@@ -88,6 +88,10 @@ unsigned char *data;
if (len > 16) len=16; if (len > 16) len=16;
for (i=0; i<len; i++) for (i=0; i<len; i++)
x[i]=data[i]; x[i]=data[i];
if(len <= 10)
key->short_key=1;
else
key->short_key=0;
K= &k[0]; K= &k[0];
X[0]=((x[ 0]<<24)|(x[ 1]<<16)|(x[ 2]<<8)|x[ 3])&0xffffffffL; X[0]=((x[ 0]<<24)|(x[ 1]<<16)|(x[ 2]<<8)|x[ 3])&0xffffffffL;
......
...@@ -74,6 +74,7 @@ extern "C" { ...@@ -74,6 +74,7 @@ extern "C" {
typedef struct cast_key_st typedef struct cast_key_st
{ {
CAST_LONG data[32]; CAST_LONG data[32];
int short_key; /* Use reduced rounds for short key */
} CAST_KEY; } CAST_KEY;
#ifndef NOPROTO #ifndef NOPROTO
......
...@@ -61,7 +61,7 @@ ...@@ -61,7 +61,7 @@
#include <stdlib.h> #include <stdlib.h>
#include "cast.h" #include "cast.h"
/* #define FULL_TEST */ #define FULL_TEST
unsigned char k[16]={ unsigned char k[16]={
0x01,0x23,0x45,0x67,0x12,0x34,0x56,0x78, 0x01,0x23,0x45,0x67,0x12,0x34,0x56,0x78,
...@@ -70,7 +70,7 @@ unsigned char k[16]={ ...@@ -70,7 +70,7 @@ unsigned char k[16]={
unsigned char in[8]={ 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF}; unsigned char in[8]={ 0x01,0x23,0x45,0x67,0x89,0xAB,0xCD,0xEF};
int k_len[3]={16,10}; int k_len[3]={16,10,5};
unsigned char c[3][8]={ unsigned char c[3][8]={
{0x23,0x8B,0x4F,0xE5,0x84,0x7E,0x44,0xB2}, {0x23,0x8B,0x4F,0xE5,0x84,0x7E,0x44,0xB2},
{0xEB,0x6A,0x71,0x1A,0x2C,0x02,0x27,0x1B}, {0xEB,0x6A,0x71,0x1A,0x2C,0x02,0x27,0x1B},
...@@ -123,101 +123,102 @@ static unsigned char cfb_cipher64[CFB_TEST_SIZE]={ ...@@ -123,101 +123,102 @@ static unsigned char cfb_cipher64[CFB_TEST_SIZE]={
int main(argc,argv) int main(argc,argv)
int argc; int argc;
char *argv[]; char *argv[];
{ {
#ifdef FULL_TEST #ifdef FULL_TEST
long l; long l;
CAST_KEY key_b; CAST_KEY key_b;
#endif #endif
int i,z,err=0; int i,z,err=0;
CAST_KEY key; CAST_KEY key;
for (z=0; z<1; z++) for (z=0; z<3; z++)
{ {
CAST_set_key(&key,k_len[z],k); CAST_set_key(&key,k_len[z],k);
CAST_ecb_encrypt(in,out,&key,CAST_ENCRYPT); CAST_ecb_encrypt(in,out,&key,CAST_ENCRYPT);
if (memcmp(out,&(c[z][0]),8) != 0) if (memcmp(out,&(c[z][0]),8) != 0)
{ {
printf("ecb cast error encrypting\n"); printf("ecb cast error encrypting for keysize %d\n",k_len[z]*8);
printf("got :"); printf("got :");
for (i=0; i<8; i++) for (i=0; i<8; i++)
printf("%02X ",out[i]); printf("%02X ",out[i]);
printf("\n"); printf("\n");
printf("expected:"); printf("expected:");
for (i=0; i<8; i++) for (i=0; i<8; i++)
printf("%02X ",c[z][i]); printf("%02X ",c[z][i]);
err=20; err=20;
printf("\n"); printf("\n");
} }
CAST_ecb_encrypt(out,out,&key,CAST_DECRYPT); CAST_ecb_encrypt(out,out,&key,CAST_DECRYPT);
if (memcmp(out,in,8) != 0) if (memcmp(out,in,8) != 0)
{ {
printf("ecb cast error decrypting\n"); printf("ecb cast error decrypting for keysize %d\n",k_len[z]*8);
printf("got :"); printf("got :");
for (i=0; i<8; i++) for (i=0; i<8; i++)
printf("%02X ",out[i]); printf("%02X ",out[i]);
printf("\n"); printf("\n");
printf("expected:"); printf("expected:");
for (i=0; i<8; i++) for (i=0; i<8; i++)
printf("%02X ",in[i]); printf("%02X ",in[i]);
printf("\n"); printf("\n");
err=3; err=3;
} }
} }
if (err == 0) printf("ecb cast5 ok\n"); if (err == 0)
printf("ecb cast5 ok\n");
#ifdef FULL_TEST #ifdef FULL_TEST
{ {
unsigned char out_a[16],out_b[16]; unsigned char out_a[16],out_b[16];
static char *hex="0123456789ABCDEF"; static char *hex="0123456789ABCDEF";
printf("This test will take some time...."); printf("This test will take some time....");
fflush(stdout); fflush(stdout);
memcpy(out_a,in_a,sizeof(in_a)); memcpy(out_a,in_a,sizeof(in_a));
memcpy(out_b,in_b,sizeof(in_b)); memcpy(out_b,in_b,sizeof(in_b));
i=1; i=1;
for (l=0; l<1000000L; l++) for (l=0; l<1000000L; l++)
{ {
CAST_set_key(&key_b,16,out_b); CAST_set_key(&key_b,16,out_b);
CAST_ecb_encrypt(&(out_a[0]),&(out_a[0]),&key_b,CAST_ENCRYPT); CAST_ecb_encrypt(&(out_a[0]),&(out_a[0]),&key_b,CAST_ENCRYPT);
CAST_ecb_encrypt(&(out_a[8]),&(out_a[8]),&key_b,CAST_ENCRYPT); CAST_ecb_encrypt(&(out_a[8]),&(out_a[8]),&key_b,CAST_ENCRYPT);
CAST_set_key(&key,16,out_a); CAST_set_key(&key,16,out_a);
CAST_ecb_encrypt(&(out_b[0]),&(out_b[0]),&key,CAST_ENCRYPT); CAST_ecb_encrypt(&(out_b[0]),&(out_b[0]),&key,CAST_ENCRYPT);
CAST_ecb_encrypt(&(out_b[8]),&(out_b[8]),&key,CAST_ENCRYPT); CAST_ecb_encrypt(&(out_b[8]),&(out_b[8]),&key,CAST_ENCRYPT);
if ((l & 0xffff) == 0xffff) if ((l & 0xffff) == 0xffff)
{ {
printf("%c",hex[i&0x0f]); printf("%c",hex[i&0x0f]);
fflush(stdout); fflush(stdout);
i++; i++;
} }
} }
if ( (memcmp(out_a,c_a,sizeof(c_a)) != 0) || if ( (memcmp(out_a,c_a,sizeof(c_a)) != 0) ||
(memcmp(out_b,c_b,sizeof(c_b)) != 0)) (memcmp(out_b,c_b,sizeof(c_b)) != 0))
{ {
printf("\n"); printf("\n");
printf("Error\n"); printf("Error\n");
printf("A out ="); printf("A out =");
for (i=0; i<16; i++) printf("%02X ",out_a[i]); for (i=0; i<16; i++) printf("%02X ",out_a[i]);
printf("\nactual="); printf("\nactual=");
for (i=0; i<16; i++) printf("%02X ",c_a[i]); for (i=0; i<16; i++) printf("%02X ",c_a[i]);
printf("\n"); printf("\n");
printf("B out ="); printf("B out =");
for (i=0; i<16; i++) printf("%02X ",out_b[i]); for (i=0; i<16; i++) printf("%02X ",out_b[i]);
printf("\nactual="); printf("\nactual=");
for (i=0; i<16; i++) printf("%02X ",c_b[i]); for (i=0; i<16; i++) printf("%02X ",c_b[i]);
printf("\n"); printf("\n");
} }
else else
printf(" ok\n"); printf(" ok\n");
} }
#endif #endif
exit(err); exit(err);
return(err); return(err);
} }
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