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- Fix with obtaining random number
- Making optional the argument of f_rng Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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parent
d9697003a3
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62beedfccc
11
random.c
11
random.c
@ -54,8 +54,10 @@ random_fini (void)
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const uint8_t *
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random_bytes_get (void)
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{
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static uint32_t return_word[RANDOM_BYTES_LENGTH/sizeof (uint32_t)];
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neug_wait_full ();
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return (const uint8_t *)random_word;
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memcpy(return_word, random_word, sizeof(return_word));
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return (const uint8_t *)return_word;
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}
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/*
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@ -91,7 +93,7 @@ int
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random_gen (void *arg, unsigned char *out, size_t out_len)
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{
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uint8_t *index_p = (uint8_t *)arg;
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uint8_t index = *index_p;
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uint8_t index = index_p ? *index_p : 0;
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size_t n;
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while (out_len)
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@ -100,7 +102,7 @@ random_gen (void *arg, unsigned char *out, size_t out_len)
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n = RANDOM_BYTES_LENGTH - index;
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if (n > out_len)
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n = out_len;
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n = out_len;
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memcpy (out, ((unsigned char *)random_word) + index, n);
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out += n;
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@ -114,7 +116,8 @@ random_gen (void *arg, unsigned char *out, size_t out_len)
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}
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}
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*index_p = index;
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if (index_p)
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*index_p = index;
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return 0;
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}
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