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108 lines
2.4 KiB
C
108 lines
2.4 KiB
C
/*
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cc -c -g t-x448.c
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cc -c -g ../src/p448.c
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cc -c -g ../src/ecc-x488.c
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*/
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#include <stdint.h>
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#include <string.h>
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static const uint8_t *k0
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= (uint8_t *)
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"\x3d\x26\x2f\xdd\xf9\xec\x8e\x88"
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"\x49\x52\x66\xfe\xa1\x9a\x34\xd2"
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"\x88\x82\xac\xef\x04\x51\x04\xd0"
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"\xd1\xaa\xe1\x21\x70\x0a\x77\x9c"
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"\x98\x4c\x24\xf8\xcd\xd7\x8f\xbf"
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"\xf4\x49\x43\xeb\xa3\x68\xf5\x4b"
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"\x29\x25\x9a\x4f\x1c\x60\x0a\xd3";
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static const uint8_t *u0
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= (uint8_t *)
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"\x06\xfc\xe6\x40\xfa\x34\x87\xbf"
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"\xda\x5f\x6c\xf2\xd5\x26\x3f\x8a"
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"\xad\x88\x33\x4c\xbd\x07\x43\x7f"
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"\x02\x0f\x08\xf9\x81\x4d\xc0\x31"
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"\xdd\xbd\xc3\x8c\x19\xc6\xda\x25"
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"\x83\xfa\x54\x29\xdb\x94\xad\xa1"
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"\x8a\xa7\xa7\xfb\x4e\xf8\xa0\x86";
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static const uint8_t *r0
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= (uint8_t *)
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"\xce\x3e\x4f\xf9\x5a\x60\xdc\x66"
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"\x97\xda\x1d\xb1\xd8\x5e\x6a\xfb"
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"\xdf\x79\xb5\x0a\x24\x12\xd7\x54"
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"\x6d\x5f\x23\x9f\xe1\x4f\xba\xad"
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"\xeb\x44\x5f\xc6\x6a\x01\xb0\x77"
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"\x9d\x98\x22\x39\x61\x11\x1e\x21"
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"\x76\x62\x82\xf7\x3d\xd9\x6b\x6f";
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static const uint8_t g_x[56] = { 5, 0, };
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static const uint8_t *r3
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= (uint8_t *)
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"\x3f\x48\x2c\x8a\x9f\x19\xb0\x1e"
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"\x6c\x46\xee\x97\x11\xd9\xdc\x14"
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"\xfd\x4b\xf6\x7a\xf3\x07\x65\xc2"
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"\xae\x2b\x84\x6a\x4d\x23\xa8\xcd"
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"\x0d\xb8\x97\x08\x62\x39\x49\x2c"
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"\xaf\x35\x0b\x51\xf8\x33\x86\x8b"
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"\x9b\xc2\xb3\xbc\xa9\xcf\x41\x13";
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static const uint8_t *r5
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= (uint8_t *)
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"\xaa\x3b\x47\x49\xd5\x5b\x9d\xaf"
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"\x1e\x5b\x00\x28\x88\x26\xc4\x67"
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"\x27\x4c\xe3\xeb\xbd\xd5\xc1\x7b"
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"\x97\x5e\x09\xd4\xaf\x6c\x67\xcf"
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"\x10\xd0\x87\x20\x2d\xb8\x82\x86"
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"\xe2\xb7\x9f\xce\xea\x3e\xc3\x53"
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"\xef\x54\xfa\xa2\x6e\x21\x9f\x38";
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extern int
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ecdh_decrypt_x448 (uint8_t *output, const uint8_t *input,
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const uint8_t *key_data);
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#define N_LIMBS 14
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static void
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iteration (uint8_t *r, const uint8_t *k_in, int iterations)
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{
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uint8_t k0[56];
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uint8_t k1[56];
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int i, j;
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memcpy (k0, k_in, 56);
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memcpy (k1, k0, 56);
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for (i = 0; i < iterations; i++)
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{
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ecdh_decrypt_x448 (r, k1, k0);
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memcpy (k1, k0, 56);
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memcpy (k0, r, 56);
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}
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}
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int
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main (int artc, const char *argv[])
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{
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uint8_t r[56];
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ecdh_decrypt_x448 (r, u0, k0);
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if (memcmp (r, r0, 56) != 0)
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return 1;
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ecdh_decrypt_x448 (r, g_x, g_x);
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if (memcmp (r, r3, 56) != 0)
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return 1;
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iteration (r, g_x, 1);
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if (memcmp (r, r3, 56) != 0)
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return 1;
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iteration (r, g_x, 1000);
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if (memcmp (r, r5, 56) != 0)
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return 1;
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return 0;
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}
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