2016-02-22 16:36:27 -08:00
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#include "hex.h"
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#include "rand.h"
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2016-02-22 16:27:44 -08:00
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#include "uuid.h"
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2016-02-25 23:37:37 -08:00
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void uuid_gen(uint8_t *out) {
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2016-02-22 16:27:44 -08:00
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uint8_t uuid[16];
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rand_fill(uuid, 16);
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uuid[6] = (uuid[6] & 0x0F) | 0x40;
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uuid[8] = (uuid[8] & 0x3F) | 0x80;
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out[8] = out[13] = out[18] = out[23] = '-';
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out[36] = '\0';
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hex_from_bin_lower(&out[0], &uuid[0], 4);
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hex_from_bin_lower(&out[9], &uuid[4], 2);
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hex_from_bin_lower(&out[14], &uuid[6], 2);
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hex_from_bin_lower(&out[19], &uuid[8], 2);
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hex_from_bin_lower(&out[24], &uuid[10], 6);
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}
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