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44 lines
1.9 KiB
44 lines
1.9 KiB
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#define TEST_NAME "ed25519_convert"
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#include "cmptest.h"
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static const unsigned char keypair_seed[crypto_sign_ed25519_SEEDBYTES]
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= { 0x42, 0x11, 0x51, 0xa4, 0x59, 0xfa, 0xea, 0xde, 0x3d, 0x24, 0x71,
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0x15, 0xf9, 0x4a, 0xed, 0xae, 0x42, 0x31, 0x81, 0x24, 0x09, 0x5a,
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0xfa, 0xbe, 0x4d, 0x14, 0x51, 0xa5, 0x59, 0xfa, 0xed, 0xee };
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int main(void)
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{
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unsigned char ed25519_pk[crypto_sign_ed25519_PUBLICKEYBYTES];
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unsigned char ed25519_skpk[crypto_sign_ed25519_SECRETKEYBYTES];
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unsigned char curve25519_pk[crypto_scalarmult_curve25519_BYTES];
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unsigned char curve25519_pk2[crypto_scalarmult_curve25519_BYTES];
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unsigned char curve25519_sk[crypto_scalarmult_curve25519_BYTES];
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char curve25519_pk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
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char curve25519_sk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
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unsigned int i;
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crypto_sign_ed25519_seed_keypair(ed25519_pk, ed25519_skpk, keypair_seed);
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crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk);
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crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
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sodium_bin2hex(curve25519_pk_hex, sizeof curve25519_pk_hex, curve25519_pk,
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sizeof curve25519_pk);
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sodium_bin2hex(curve25519_sk_hex, sizeof curve25519_sk_hex, curve25519_sk,
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sizeof curve25519_sk);
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printf("curve25519 pk: [%s]\n", curve25519_pk_hex);
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printf("curve25519 sk: [%s]\n", curve25519_sk_hex);
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for (i = 0U; i < 500U; i++) {
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crypto_sign_ed25519_keypair(ed25519_pk, ed25519_skpk);
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crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk);
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crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
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crypto_scalarmult_curve25519_base(curve25519_pk2, curve25519_sk);
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if (memcmp(curve25519_pk, curve25519_pk2, sizeof curve25519_pk) != 0) {
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printf("conversion failed\n");
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}
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}
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printf("ok\n");
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return 0;
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}
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