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Merge 058f64713b61d62eb52338047c00a44563ad052c into f4a1aceb8ca7198b11447d6e1885ce70feb2dcc6

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jbsgh 2026-07-27 21:02:57 +01:00 committed by GitHub
commit 4602f55417
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GPG Key ID: B5690EEEBB952194
5 changed files with 50 additions and 30 deletions
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12
library/rsa.c
View File

@ -2945,14 +2945,18 @@ void mbedtls_rsa_free(mbedtls_rsa_context *ctx)
static int myrand(void *rng_state, unsigned char *output, size_t len)
{
#if !defined(__OpenBSD__) && !defined(__NetBSD__)
size_t i;
if (rng_state != NULL) {
rng_state = NULL;
}
for (i = 0; i < len; ++i) {
output[i] = rand();
while (len > 0) {
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
len -= 1;
}
#else
if (rng_state != NULL) {

26
programs/fuzz/common.c
View File

@ -59,7 +59,6 @@ int fuzz_recv(void *ctx, unsigned char *buf, size_t len)
int dummy_random(void *p_rng, unsigned char *output, size_t output_len)
{
int ret;
size_t i;
#if defined(MBEDTLS_CTR_DRBG_C)
//mbedtls_ctr_drbg_random requires a valid mbedtls_ctr_drbg_context in p_rng
@ -74,24 +73,35 @@ int dummy_random(void *p_rng, unsigned char *output, size_t output_len)
(void) p_rng;
ret = 0;
#endif
for (i = 0; i < output_len; i++) {
//replace result with pseudo random
output[i] = (unsigned char) rand();
//replace result with pseudo random
while (output_len > 0) {
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
output_len -= 1;
}
return ret;
}
int dummy_entropy(void *data, unsigned char *output, size_t len)
{
size_t i;
(void) data;
//use mbedtls_entropy_func to find bugs in it
//test performance impact of entropy
//ret = mbedtls_entropy_func(data, output, len);
for (i = 0; i < len; i++) {
//replace result with pseudo random
output[i] = (unsigned char) rand();
//replace result with pseudo random
while (len > 0) {
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
len -= 1;
}
return 0;
}

13
programs/ssl/ssl_test_lib.c
View File

@ -48,14 +48,19 @@ mbedtls_time_t dummy_constant_time(mbedtls_time_t *time)
#if !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
static int dummy_entropy(void *data, unsigned char *output, size_t len)
{
size_t i;
int ret;
(void) data;
ret = mbedtls_entropy_func(data, output, len);
for (i = 0; i < len; i++) {
//replace result with pseudo random
output[i] = (unsigned char) rand();
//replace result with pseudo random
while (len > 0) {
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
len -= 1;
}
return ret;
}

19
programs/test/benchmark.c
View File

@ -455,23 +455,18 @@ static void mbedtls_set_alarm(int seconds)
static int myrand(void *rng_state, unsigned char *output, size_t len)
{
size_t use_len;
int rnd;
if (rng_state != NULL) {
rng_state = NULL;
}
while (len > 0) {
use_len = len;
if (use_len > sizeof(int)) {
use_len = sizeof(int);
}
rnd = rand();
memcpy(output, &rnd, use_len);
output += use_len;
len -= use_len;
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
len -= 1;
}
return 0;

10
tests/src/test_helpers/ssl_helpers.c
View File

@ -15,8 +15,14 @@
int mbedtls_test_random(void *p_rng, unsigned char *output, size_t output_len)
{
(void) p_rng;
for (size_t i = 0; i < output_len; i++) {
output[i] = rand();
while (output_len > 0) {
#if (RAND_MAX >= 0x00FFFFFF)
*output = (unsigned char) (rand() >> 16);
#else
*output = (unsigned char) rand() ; /* e. g. Visual C */
#endif
output += 1;
output_len -= 1;
}
return 0;