all repos — TinyCrypT @ 21f7d34d168c2c143cb4867848d4b6c2a119ae48

Short and sweet classical cryptographic primitives

test.c (view raw)

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#include "tinycrypt/x25519.h"
#include <stdint.h>
#include <stdio.h>

int
main (int argc, char **argv)
{
  const uint8_t SCALAR[]
      = { 0xa5, 0x46, 0xe3, 0x6b, 0xf0, 0x52, 0x7c, 0x9d, 0x3b, 0x16, 0x15,
          0x4b, 0x82, 0x46, 0x5e, 0xdd, 0x62, 0x14, 0x4c, 0x0a, 0xc1, 0xfc,
          0x5a, 0x18, 0x50, 0x6a, 0x22, 0x44, 0xba, 0x44, 0x9a, 0xc4 };
  const uint8_t U[]
      = { 0xe6, 0xdb, 0x68, 0x67, 0x58, 0x30, 0x30, 0xdb, 0x35, 0x94, 0xc1,
          0xa4, 0x24, 0xb1, 0x5f, 0x7c, 0x72, 0x66, 0x24, 0xec, 0x26, 0xb3,
          0x35, 0x3b, 0x10, 0xa9, 0x03, 0xa6, 0xd0, 0xab, 0x1c, 0x4c };
  const uint8_t EXPECTED[]
      = { 0xc3, 0xda, 0x55, 0x37, 0x9d, 0xe9, 0xc6, 0x90, 0x8e, 0x94, 0xea,
          0x4d, 0xf2, 0x8d, 0x08, 0x4f, 0x32, 0xec, 0xcf, 0x03, 0x49, 0x1c,
          0x71, 0xf7, 0x54, 0xb4, 0x07, 0x55, 0x77, 0xa2, 0x85, 0x52 };
  uint8_t actual[sizeof (EXPECTED)];
  for (unsigned int i = 0; i < 100000; ++i)
    {
      tct_x25519 (SCALAR, U, actual);
    }
  for (unsigned int i = 0; i < sizeof (actual); ++i)
    {
      printf ("0x%02x, ", actual[i]);
    }
  printf ("\n");
  return 0;
}