libsodium/test/default/scalarmult5.c

#define TEST_NAME "scalarmult5"
#include "cmptest.h"

static unsigned char alicesk[32]
    = { 0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d, 0x3c, 0x16, 0xc1,
        0x72, 0x51, 0xb2, 0x66, 0x45, 0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0,
        0x99, 0x2a, 0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a };

static unsigned char bobpk[32]
    = { 0xde, 0x9e, 0xdb, 0x7d, 0x7b, 0x7d, 0xc1, 0xb4, 0xd3, 0x5b, 0x61,
        0xc2, 0xec, 0xe4, 0x35, 0x37, 0x3f, 0x83, 0x43, 0xc8, 0x5b, 0x78,
        0x67, 0x4d, 0xad, 0xfc, 0x7e, 0x14, 0x6f, 0x88, 0x2b, 0x4f };

static unsigned char k[32];

int main(void)
{
    int i;
    int ret;

    ret = crypto_scalarmult(k, alicesk, bobpk);
    assert(ret == 0);

    for (i = 0; i < 32; ++i) {
        if (i > 0) {
            printf(",");
        } else {
            printf(" ");
        }
        printf("0x%02x", (unsigned int)k[i]);
        if (i % 8 == 7) {
            printf("\n");
        }
    }
    return 0;
}