1 2 #define TEST_NAME "scalarmult" 3 #include "cmptest.h" 4 5 static const unsigned char alicesk[crypto_scalarmult_BYTES] = { 6 0x77, 0x07, 0x6d, 0x0a, 0x73, 0x18, 0xa5, 0x7d, 0x3c, 0x16, 0xc1, 7 0x72, 0x51, 0xb2, 0x66, 0x45, 0xdf, 0x4c, 0x2f, 0x87, 0xeb, 0xc0, 8 0x99, 0x2a, 0xb1, 0x77, 0xfb, 0xa5, 0x1d, 0xb9, 0x2c, 0x2a 9 }; 10 11 static const unsigned char bobsk[crypto_scalarmult_BYTES] = { 12 0x5d, 0xab, 0x08, 0x7e, 0x62, 0x4a, 0x8a, 0x4b, 0x79, 0xe1, 0x7f, 13 0x8b, 0x83, 0x80, 0x0e, 0xe6, 0x6f, 0x3b, 0xb1, 0x29, 0x26, 0x18, 14 0xb6, 0xfd, 0x1c, 0x2f, 0x8b, 0x27, 0xff, 0x88, 0xe0, 0xeb 15 }; 16 17 static const unsigned char small_order_p[crypto_scalarmult_BYTES] = { 18 0xe0, 0xeb, 0x7a, 0x7c, 0x3b, 0x41, 0xb8, 0xae, 0x16, 0x56, 0xe3, 19 0xfa, 0xf1, 0x9f, 0xc4, 0x6a, 0xda, 0x09, 0x8d, 0xeb, 0x9c, 0x32, 20 0xb1, 0xfd, 0x86, 0x62, 0x05, 0x16, 0x5f, 0x49, 0xb8, 0x00 21 }; 22 23 static char hex[crypto_scalarmult_BYTES * 2 + 1]; 24 25 int 26 main(void) 27 { 28 unsigned char *alicepk = 29 (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES); 30 unsigned char *bobpk = 31 (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES); 32 unsigned char *k = (unsigned char *) sodium_malloc(crypto_scalarmult_BYTES); 33 int ret; 34 35 assert(alicepk != NULL && bobpk != NULL && k != NULL); 36 37 crypto_scalarmult_base(alicepk, alicesk); 38 sodium_bin2hex(hex, sizeof hex, alicepk, crypto_scalarmult_BYTES); 39 printf("%s\n", hex); 40 41 crypto_scalarmult_base(bobpk, bobsk); 42 sodium_bin2hex(hex, sizeof hex, bobpk, crypto_scalarmult_BYTES); 43 printf("%s\n", hex); 44 45 ret = crypto_scalarmult(k, alicesk, bobpk); 46 assert(ret == 0); 47 sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES); 48 printf("%s\n", hex); 49 50 ret = crypto_scalarmult(k, bobsk, alicepk); 51 assert(ret == 0); 52 sodium_bin2hex(hex, sizeof hex, k, crypto_scalarmult_BYTES); 53 printf("%s\n", hex); 54 55 ret = crypto_scalarmult(k, bobsk, small_order_p); 56 assert(ret == -1); 57 58 sodium_free(bobpk); 59 sodium_free(alicepk); 60 sodium_free(k); 61 62 assert(crypto_scalarmult_bytes() > 0U); 63 assert(crypto_scalarmult_scalarbytes() > 0U); 64 assert(strcmp(crypto_scalarmult_primitive(), "curve25519") == 0); 65 assert(crypto_scalarmult_bytes() == crypto_scalarmult_curve25519_bytes()); 66 assert(crypto_scalarmult_scalarbytes() == 67 crypto_scalarmult_curve25519_scalarbytes()); 68 assert(crypto_scalarmult_bytes() == crypto_scalarmult_scalarbytes()); 69 70 return 0; 71 } 72