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cxd56: make os.urandom() raise NotImplementedError #11184

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Merged
tannewt merged 1 commit into from
Aug 7, 2026
+2 −12
Merged

cxd56: make os.urandom() raise NotImplementedError #11184

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14 changes: 2 additions & 12 deletions ports/cxd56/common-hal/os/__init__.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,17 +10,7 @@
#include "py/objstr.h"
#include "py/objtuple.h"

// No HW TRNG.
bool common_hal_os_urandom(uint8_t *buffer, mp_uint_t length) {
uint32_t i = 0;

while (i < length) {
uint32_t new_random = rand();
for (int j = 0; j < 4 && i < length; j++) {
buffer[i] = new_random & 0xff;
i++;
new_random >>= 8;
}
}

return true;
return false;
}
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