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Added RNG for nRF52 series. Fixed infinite for loop because of int - wordcount_t mismatch

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Jaroslav Ban
2020-10-27 23:51:07 +01:00
parent 4b1709c17a
commit 71563d854c
2 changed files with 15 additions and 2 deletions
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platform-specific.inc
+13
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@@ -76,6 +76,19 @@ static int default_RNG(uint8_t *dest, unsigned size) {
} }
#define default_RNG_defined 1 #define default_RNG_defined 1
#elif defined(NRF52_SERIES)
#include "app_error.h"
#include "nrf_crypto_rng.h"
static int default_RNG(uint8_t *dest, unsigned size)
{
// make sure to call nrf_crypto_init and nrf_crypto_rng_init first
ret_code_t ret_code = nrf_crypto_rng_vector_generate(dest, size);
return (ret_code == NRF_SUCCESS) ? 1 : 0;
}
#define default_RNG_defined 1
#endif /* platform */ #endif /* platform */
#endif /* _UECC_PLATFORM_SPECIFIC_H_ */ #endif /* _UECC_PLATFORM_SPECIFIC_H_ */
uECC.c
+2 -2
View File
@@ -994,7 +994,7 @@ uECC_VLI_API void uECC_vli_bytesToNative(uint8_t *native,
uECC_VLI_API void uECC_vli_nativeToBytes(uint8_t *bytes, uECC_VLI_API void uECC_vli_nativeToBytes(uint8_t *bytes,
int num_bytes, int num_bytes,
const uECC_word_t *native) { const uECC_word_t *native) {
wordcount_t i; int i;
for (i = 0; i < num_bytes; ++i) { for (i = 0; i < num_bytes; ++i) {
unsigned b = num_bytes - 1 - i; unsigned b = num_bytes - 1 - i;
bytes[i] = native[b / uECC_WORD_SIZE] >> (8 * (b % uECC_WORD_SIZE)); bytes[i] = native[b / uECC_WORD_SIZE] >> (8 * (b % uECC_WORD_SIZE));
@@ -1004,7 +1004,7 @@ uECC_VLI_API void uECC_vli_nativeToBytes(uint8_t *bytes,
uECC_VLI_API void uECC_vli_bytesToNative(uECC_word_t *native, uECC_VLI_API void uECC_vli_bytesToNative(uECC_word_t *native,
const uint8_t *bytes, const uint8_t *bytes,
int num_bytes) { int num_bytes) {
wordcount_t i; int i;
uECC_vli_clear(native, (num_bytes + (uECC_WORD_SIZE - 1)) / uECC_WORD_SIZE); uECC_vli_clear(native, (num_bytes + (uECC_WORD_SIZE - 1)) / uECC_WORD_SIZE);
for (i = 0; i < num_bytes; ++i) { for (i = 0; i < num_bytes; ++i) {
unsigned b = num_bytes - 1 - i; unsigned b = num_bytes - 1 - i;