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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:52:35 +01:00
parent 480f683d15
commit 1b6c09a62e
391 changed files with 73134 additions and 75084 deletions
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104
tests/src/random.c
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@@ -37,109 +37,111 @@
#include <mbedtls/entropy.h>
int mbedtls_test_rnd_std_rand( void *rng_state,
unsigned char *output,
size_t len )
int mbedtls_test_rnd_std_rand(void *rng_state,
unsigned char *output,
size_t len)
{
#if !defined(__OpenBSD__) && !defined(__NetBSD__)
size_t i;
if( rng_state != NULL )
if (rng_state != NULL) {
rng_state = NULL;
}
for( i = 0; i < len; ++i )
for (i = 0; i < len; ++i) {
output[i] = rand();
}
#else
if( rng_state != NULL )
if (rng_state != NULL) {
rng_state = NULL;
}
arc4random_buf( output, len );
arc4random_buf(output, len);
#endif /* !OpenBSD && !NetBSD */
return( 0 );
return 0;
}
int mbedtls_test_rnd_zero_rand( void *rng_state,
unsigned char *output,
size_t len )
int mbedtls_test_rnd_zero_rand(void *rng_state,
unsigned char *output,
size_t len)
{
if( rng_state != NULL )
if (rng_state != NULL) {
rng_state = NULL;
}
memset( output, 0, len );
memset(output, 0, len);
return( 0 );
return 0;
}
int mbedtls_test_rnd_buffer_rand( void *rng_state,
unsigned char *output,
size_t len )
int mbedtls_test_rnd_buffer_rand(void *rng_state,
unsigned char *output,
size_t len)
{
mbedtls_test_rnd_buf_info *info = (mbedtls_test_rnd_buf_info *) rng_state;
size_t use_len;
if( rng_state == NULL )
return( mbedtls_test_rnd_std_rand( NULL, output, len ) );
if (rng_state == NULL) {
return mbedtls_test_rnd_std_rand(NULL, output, len);
}
use_len = len;
if( len > info->length )
if (len > info->length) {
use_len = info->length;
}
if( use_len )
{
memcpy( output, info->buf, use_len );
if (use_len) {
memcpy(output, info->buf, use_len);
info->buf += use_len;
info->length -= use_len;
}
if( len - use_len > 0 )
{
if( info->fallback_f_rng != NULL )
{
return( info->fallback_f_rng( info->fallback_p_rng,
output + use_len,
len - use_len ) );
if (len - use_len > 0) {
if (info->fallback_f_rng != NULL) {
return info->fallback_f_rng(info->fallback_p_rng,
output + use_len,
len - use_len);
} else {
return MBEDTLS_ERR_ENTROPY_SOURCE_FAILED;
}
else
return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
}
return( 0 );
return 0;
}
int mbedtls_test_rnd_pseudo_rand( void *rng_state,
unsigned char *output,
size_t len )
int mbedtls_test_rnd_pseudo_rand(void *rng_state,
unsigned char *output,
size_t len)
{
mbedtls_test_rnd_pseudo_info *info =
(mbedtls_test_rnd_pseudo_info *) rng_state;
uint32_t i, *k, sum, delta=0x9E3779B9;
uint32_t i, *k, sum, delta = 0x9E3779B9;
unsigned char result[4], *out = output;
if( rng_state == NULL )
return( mbedtls_test_rnd_std_rand( NULL, output, len ) );
if (rng_state == NULL) {
return mbedtls_test_rnd_std_rand(NULL, output, len);
}
k = info->key;
while( len > 0 )
{
size_t use_len = ( len > 4 ) ? 4 : len;
while (len > 0) {
size_t use_len = (len > 4) ? 4 : len;
sum = 0;
for( i = 0; i < 32; i++ )
{
info->v0 += ( ( ( info->v1 << 4 ) ^ ( info->v1 >> 5 ) )
+ info->v1 ) ^ ( sum + k[sum & 3] );
for (i = 0; i < 32; i++) {
info->v0 += (((info->v1 << 4) ^ (info->v1 >> 5))
+ info->v1) ^ (sum + k[sum & 3]);
sum += delta;
info->v1 += ( ( ( info->v0 << 4 ) ^ ( info->v0 >> 5 ) )
+ info->v0 ) ^ ( sum + k[( sum>>11 ) & 3] );
info->v1 += (((info->v0 << 4) ^ (info->v0 >> 5))
+ info->v0) ^ (sum + k[(sum>>11) & 3]);
}
PUT_UINT32_BE( info->v0, result, 0 );
memcpy( out, result, use_len );
PUT_UINT32_BE(info->v0, result, 0);
memcpy(out, result, use_len);
len -= use_len;
out += 4;
}
return( 0 );
return 0;
}