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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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85
common/mbedtls/arc4.c
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@ -50,24 +50,24 @@
#if !defined(MBEDTLS_ARC4_ALT)
void mbedtls_arc4_init( mbedtls_arc4_context *ctx )
void mbedtls_arc4_init(mbedtls_arc4_context *ctx)
{
memset( ctx, 0, sizeof( mbedtls_arc4_context ) );
memset(ctx, 0, sizeof(mbedtls_arc4_context));
}
void mbedtls_arc4_free( mbedtls_arc4_context *ctx )
void mbedtls_arc4_free(mbedtls_arc4_context *ctx)
{
if( ctx == NULL )
if (ctx == NULL)
return;
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_arc4_context ) );
mbedtls_platform_zeroize(ctx, sizeof(mbedtls_arc4_context));
}
/*
* ARC4 key schedule
*/
void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
unsigned int keylen )
void mbedtls_arc4_setup(mbedtls_arc4_context *ctx, const unsigned char *key,
unsigned int keylen)
{
int i, j, a;
unsigned int k;
@ -77,17 +77,16 @@ void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
ctx->y = 0;
m = ctx->m;
for( i = 0; i < 256; i++ )
for (i = 0; i < 256; i++)
m[i] = (unsigned char) i;
j = k = 0;
for( i = 0; i < 256; i++, k++ )
{
if( k >= keylen ) k = 0;
for (i = 0; i < 256; i++, k++) {
if (k >= keylen) k = 0;
a = m[i];
j = ( j + a + key[k] ) & 0xFF;
j = (j + a + key[k]) & 0xFF;
m[i] = m[j];
m[j] = (unsigned char) a;
}
@ -96,8 +95,8 @@ void mbedtls_arc4_setup( mbedtls_arc4_context *ctx, const unsigned char *key,
/*
* ARC4 cipher function
*/
int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
unsigned char *output )
int mbedtls_arc4_crypt(mbedtls_arc4_context *ctx, size_t length, const unsigned char *input,
unsigned char *output)
{
int x, y, a, b;
size_t i;
@ -107,22 +106,23 @@ int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned
y = ctx->y;
m = ctx->m;
for( i = 0; i < length; i++ )
{
x = ( x + 1 ) & 0xFF; a = m[x];
y = ( y + a ) & 0xFF; b = m[y];
for (i = 0; i < length; i++) {
x = (x + 1) & 0xFF;
a = m[x];
y = (y + a) & 0xFF;
b = m[y];
m[x] = (unsigned char) b;
m[y] = (unsigned char) a;
output[i] = (unsigned char)
( input[i] ^ m[(unsigned char)( a + b )] );
(input[i] ^ m[(unsigned char)(a + b)]);
}
ctx->x = x;
ctx->y = y;
return( 0 );
return (0);
}
#endif /* !MBEDTLS_ARC4_ALT */
@ -133,22 +133,19 @@ int mbedtls_arc4_crypt( mbedtls_arc4_context *ctx, size_t length, const unsigned
*
* http://groups.google.com/group/comp.security.misc/msg/10a300c9d21afca0
*/
static const unsigned char arc4_test_key[3][8] =
{
static const unsigned char arc4_test_key[3][8] = {
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
};
static const unsigned char arc4_test_pt[3][8] =
{
static const unsigned char arc4_test_pt[3][8] = {
{ 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
};
static const unsigned char arc4_test_ct[3][8] =
{
static const unsigned char arc4_test_ct[3][8] = {
{ 0x75, 0xB7, 0x87, 0x80, 0x99, 0xE0, 0xC5, 0x96 },
{ 0x74, 0x94, 0xC2, 0xE7, 0x10, 0x4B, 0x08, 0x79 },
{ 0xDE, 0x18, 0x89, 0x41, 0xA3, 0x37, 0x5D, 0x3A }
@ -157,45 +154,43 @@ static const unsigned char arc4_test_ct[3][8] =
/*
* Checkup routine
*/
int mbedtls_arc4_self_test( int verbose )
int mbedtls_arc4_self_test(int verbose)
{
int i, ret = 0;
unsigned char ibuf[8];
unsigned char obuf[8];
mbedtls_arc4_context ctx;
mbedtls_arc4_init( &ctx );
mbedtls_arc4_init(&ctx);
for( i = 0; i < 3; i++ )
{
if( verbose != 0 )
mbedtls_printf( " ARC4 test #%d: ", i + 1 );
for (i = 0; i < 3; i++) {
if (verbose != 0)
mbedtls_printf(" ARC4 test #%d: ", i + 1);
memcpy( ibuf, arc4_test_pt[i], 8 );
memcpy(ibuf, arc4_test_pt[i], 8);
mbedtls_arc4_setup( &ctx, arc4_test_key[i], 8 );
mbedtls_arc4_crypt( &ctx, 8, ibuf, obuf );
mbedtls_arc4_setup(&ctx, arc4_test_key[i], 8);
mbedtls_arc4_crypt(&ctx, 8, ibuf, obuf);
if( memcmp( obuf, arc4_test_ct[i], 8 ) != 0 )
{
if( verbose != 0 )
mbedtls_printf( "failed\n" );
if (memcmp(obuf, arc4_test_ct[i], 8) != 0) {
if (verbose != 0)
mbedtls_printf("failed\n");
ret = 1;
goto exit;
}
if( verbose != 0 )
mbedtls_printf( "passed\n" );
if (verbose != 0)
mbedtls_printf("passed\n");
}
if( verbose != 0 )
mbedtls_printf( "\n" );
if (verbose != 0)
mbedtls_printf("\n");
exit:
mbedtls_arc4_free( &ctx );
mbedtls_arc4_free(&ctx);
return( ret );
return (ret);
}
#endif /* MBEDTLS_SELF_TEST */