if ((OPENSSL_ia32cap_P[0] & (1 << 4)) != 0) {
for (i = 0; i < TSC_READ_COUNT; i++) {
c = (unsigned char)(OPENSSL_rdtsc() & 0xFF);
- RAND_POOL_add(pool, &c, 1, 4);
+ rand_pool_add(pool, &c, 1, 4);
}
}
- return RAND_POOL_entropy_available(pool);
+ return rand_pool_entropy_available(pool);
}
#endif
size_t bytes_needed;
unsigned char *buffer;
- bytes_needed = RAND_POOL_bytes_needed(pool, 8 /*entropy_per_byte*/);
+ bytes_needed = rand_pool_bytes_needed(pool, 8 /*entropy_per_byte*/);
if (bytes_needed > 0) {
- buffer = RAND_POOL_add_begin(pool, bytes_needed);
+ buffer = rand_pool_add_begin(pool, bytes_needed);
if (buffer != NULL) {
if ((OPENSSL_ia32cap_P[2] & (1 << 18)) != 0) {
if (OPENSSL_ia32_rdseed_bytes(buffer, bytes_needed)
== bytes_needed)
- return RAND_POOL_add_end(pool,
+ return rand_pool_add_end(pool,
bytes_needed,
8 * bytes_needed);
}
if ((OPENSSL_ia32cap_P[1] & (1 << (62 - 32))) != 0) {
if (OPENSSL_ia32_rdrand_bytes(buffer, bytes_needed)
== bytes_needed)
- return RAND_POOL_add_end(pool,
+ return rand_pool_add_end(pool,
bytes_needed,
8 * bytes_needed);
}
- return RAND_POOL_add_end(pool, 0, 0);
+ return rand_pool_add_end(pool, 0, 0);
}
}
- return RAND_POOL_entropy_available(pool);
+ return rand_pool_entropy_available(pool);
}
#endif
* is fetched using the parent's RAND_DRBG_generate().
*
* Otherwise, the entropy is polled from the system entropy sources
- * using RAND_POOL_acquire_entropy().
+ * using rand_pool_acquire_entropy().
*
* If a random pool has been added to the DRBG using RAND_add(), then
* its entropy will be used up first.
return 0;
}
- pool = RAND_POOL_new(entropy, min_len, max_len);
+ pool = rand_pool_new(entropy, min_len, max_len);
if (pool == NULL)
return 0;
if (drbg->pool) {
- RAND_POOL_add(pool,
- RAND_POOL_buffer(drbg->pool),
- RAND_POOL_length(drbg->pool),
- RAND_POOL_entropy(drbg->pool));
- RAND_POOL_free(drbg->pool);
+ rand_pool_add(pool,
+ rand_pool_buffer(drbg->pool),
+ rand_pool_length(drbg->pool),
+ rand_pool_entropy(drbg->pool));
+ rand_pool_free(drbg->pool);
drbg->pool = NULL;
}
if (drbg->parent) {
- size_t bytes_needed = RAND_POOL_bytes_needed(pool, 8);
- unsigned char *buffer = RAND_POOL_add_begin(pool, bytes_needed);
+ size_t bytes_needed = rand_pool_bytes_needed(pool, 8);
+ unsigned char *buffer = rand_pool_add_begin(pool, bytes_needed);
if (buffer != NULL) {
size_t bytes = 0;
bytes = bytes_needed;
rand_drbg_unlock(drbg->parent);
- entropy_available = RAND_POOL_add_end(pool, bytes, 8 * bytes);
+ entropy_available = rand_pool_add_end(pool, bytes, 8 * bytes);
}
} else {
/* Get entropy by polling system entropy sources. */
- entropy_available = RAND_POOL_acquire_entropy(pool);
+ entropy_available = rand_pool_acquire_entropy(pool);
}
if (entropy_available > 0) {
- ret = RAND_POOL_length(pool);
- *pout = RAND_POOL_detach(pool);
+ ret = rand_pool_length(pool);
+ *pout = rand_pool_detach(pool);
}
- RAND_POOL_free(pool);
+ rand_pool_free(pool);
return ret;
}
#endif
uint64_t tbits;
- pool = RAND_POOL_new(0, 0, max_len);
+ pool = rand_pool_new(0, 0, max_len);
if (pool == NULL)
return 0;
#ifdef OPENSSL_SYS_UNIX
pid = getpid();
- RAND_POOL_add(pool, (unsigned char *)&pid, sizeof(pid), 0);
+ rand_pool_add(pool, (unsigned char *)&pid, sizeof(pid), 0);
#elif defined(OPENSSL_SYS_WIN32)
pid = GetCurrentProcessId();
- RAND_POOL_add(pool, (unsigned char *)&pid, sizeof(pid), 0);
+ rand_pool_add(pool, (unsigned char *)&pid, sizeof(pid), 0);
#endif
thread_id = CRYPTO_THREAD_get_current_id();
if (thread_id != 0)
- RAND_POOL_add(pool, (unsigned char *)&thread_id, sizeof(thread_id), 0);
+ rand_pool_add(pool, (unsigned char *)&thread_id, sizeof(thread_id), 0);
tbits = get_timer_bits();
if (tbits != 0)
- RAND_POOL_add(pool, (unsigned char *)&tbits, sizeof(tbits), 0);
+ rand_pool_add(pool, (unsigned char *)&tbits, sizeof(tbits), 0);
/* TODO: Use RDSEED? */
- len = RAND_POOL_length(pool);
+ len = rand_pool_length(pool);
if (len != 0)
- *pout = RAND_POOL_detach(pool);
- RAND_POOL_free(pool);
+ *pout = rand_pool_detach(pool);
+ rand_pool_free(pool);
return len;
}
} else {
/* fill random pool and seed the current legacy RNG */
- pool = RAND_POOL_new(RAND_DRBG_STRENGTH,
+ pool = rand_pool_new(RAND_DRBG_STRENGTH,
RAND_DRBG_STRENGTH / 8,
DRBG_MINMAX_FACTOR * (RAND_DRBG_STRENGTH / 8));
if (pool == NULL)
return 0;
- if (RAND_POOL_acquire_entropy(pool) == 0)
+ if (rand_pool_acquire_entropy(pool) == 0)
goto err;
if (meth->add == NULL
- || meth->add(RAND_POOL_buffer(pool),
- RAND_POOL_length(pool),
- (RAND_POOL_entropy(pool) / 8.0)) == 0)
+ || meth->add(rand_pool_buffer(pool),
+ rand_pool_length(pool),
+ (rand_pool_entropy(pool) / 8.0)) == 0)
goto err;
ret = 1;
}
err:
- RAND_POOL_free(pool);
+ rand_pool_free(pool);
return ret;
}
* Allocate memory and initialize a new random pool
*/
-RAND_POOL *RAND_POOL_new(int entropy, size_t min_len, size_t max_len)
+RAND_POOL *rand_pool_new(int entropy, size_t min_len, size_t max_len)
{
RAND_POOL *pool = OPENSSL_zalloc(sizeof(*pool));
/*
* Free |pool|, securely erasing its buffer.
*/
-void RAND_POOL_free(RAND_POOL *pool)
+void rand_pool_free(RAND_POOL *pool)
{
if (pool == NULL)
return;
/*
* Return the |pool|'s buffer to the caller (readonly).
*/
-const unsigned char *RAND_POOL_buffer(RAND_POOL *pool)
+const unsigned char *rand_pool_buffer(RAND_POOL *pool)
{
return pool->buffer;
}
/*
* Return the |pool|'s entropy to the caller.
*/
-size_t RAND_POOL_entropy(RAND_POOL *pool)
+size_t rand_pool_entropy(RAND_POOL *pool)
{
return pool->entropy;
}
/*
* Return the |pool|'s buffer length to the caller.
*/
-size_t RAND_POOL_length(RAND_POOL *pool)
+size_t rand_pool_length(RAND_POOL *pool)
{
return pool->len;
}
* It's the responsibility of the caller to free the buffer
* using OPENSSL_secure_clear_free().
*/
-unsigned char *RAND_POOL_detach(RAND_POOL *pool)
+unsigned char *rand_pool_detach(RAND_POOL *pool)
{
unsigned char *ret = pool->buffer;
pool->buffer = NULL;
* |entropy| if the entropy count and buffer size is large enough
* 0 otherwise
*/
-size_t RAND_POOL_entropy_available(RAND_POOL *pool)
+size_t rand_pool_entropy_available(RAND_POOL *pool)
{
if (pool->entropy < pool->requested_entropy)
return 0;
* the random pool.
*/
-size_t RAND_POOL_entropy_needed(RAND_POOL *pool)
+size_t rand_pool_entropy_needed(RAND_POOL *pool)
{
if (pool->entropy < pool->requested_entropy)
return pool->requested_entropy - pool->entropy;
* In case of an error, 0 is returned.
*/
-size_t RAND_POOL_bytes_needed(RAND_POOL *pool, unsigned int entropy_per_byte)
+size_t rand_pool_bytes_needed(RAND_POOL *pool, unsigned int entropy_per_byte)
{
size_t bytes_needed;
- size_t entropy_needed = RAND_POOL_entropy_needed(pool);
+ size_t entropy_needed = rand_pool_entropy_needed(pool);
if (entropy_per_byte < 1 || entropy_per_byte > 8) {
RANDerr(RAND_F_RAND_POOL_BYTES_NEEDED, RAND_R_ARGUMENT_OUT_OF_RANGE);
}
/* Returns the remaining number of bytes available */
-size_t RAND_POOL_bytes_remaining(RAND_POOL *pool)
+size_t rand_pool_bytes_remaining(RAND_POOL *pool)
{
return pool->max_len - pool->len;
}
* randomness.
*
* Return available amount of entropy after this operation.
- * (see RAND_POOL_entropy_available(pool))
+ * (see rand_pool_entropy_available(pool))
*/
-size_t RAND_POOL_add(RAND_POOL *pool,
+size_t rand_pool_add(RAND_POOL *pool,
const unsigned char *buffer, size_t len, size_t entropy)
{
if (len > pool->max_len - pool->len) {
pool->entropy += entropy;
}
- return RAND_POOL_entropy_available(pool);
+ return rand_pool_entropy_available(pool);
}
/*
* If |len| == 0 this is considered a no-op and a NULL pointer
* is returned without producing an error message.
*
- * After updating the buffer, RAND_POOL_add_end() needs to be called
+ * After updating the buffer, rand_pool_add_end() needs to be called
* to finish the udpate operation (see next comment).
*/
-unsigned char *RAND_POOL_add_begin(RAND_POOL *pool, size_t len)
+unsigned char *rand_pool_add_begin(RAND_POOL *pool, size_t len)
{
if (len == 0)
return NULL;
* Finish to add random bytes to the random pool in-place.
*
* Finishes an in-place update of the random pool started by
- * RAND_POOL_add_begin() (see previous comment).
+ * rand_pool_add_begin() (see previous comment).
* It is expected that |len| bytes of random input have been added
* to the buffer which contain at least |entropy| bits of randomness.
* It is allowed to add less bytes than originally reserved.
*/
-size_t RAND_POOL_add_end(RAND_POOL *pool, size_t len, size_t entropy)
+size_t rand_pool_add_end(RAND_POOL *pool, size_t len, size_t entropy)
{
if (len > pool->max_len - pool->len) {
RANDerr(RAND_F_RAND_POOL_ADD_END, RAND_R_RANDOM_POOL_OVERFLOW);
pool->entropy += entropy;
}
- return RAND_POOL_entropy_available(pool);
+ return rand_pool_entropy_available(pool);
}
int RAND_set_rand_method(const RAND_METHOD *meth)
projects / openssl.git / blobdiff