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📁 ..
📄 Makefile.am(13.38 KB)
📄 aead_aes256gcm.c(145.82 KB)
📄 aead_aes256gcm.exp(3 B)
📄 aead_chacha20poly1305.c(14.76 KB)
📄 aead_chacha20poly1305.exp(2.35 KB)
📄 aead_xchacha20poly1305.c(8.09 KB)
📄 aead_xchacha20poly1305.exp(1.95 KB)
📄 auth.c(2.88 KB)
📄 auth.exp(1.12 KB)
📄 auth2.c(1.08 KB)
📄 auth2.exp(164 B)
📄 auth3.c(1.25 KB)
📄 auth3.exp(2 B)
📄 auth5.c(954 B)
📄 auth6.c(449 B)
📄 auth6.exp(328 B)
📄 auth7.c(1010 B)
📄 box.c(4.42 KB)
📄 box.exp(1.47 KB)
📄 box2.c(3.31 KB)
📄 box2.exp(1.31 KB)
📄 box7.c(1.53 KB)
📄 box8.c(1.7 KB)
📄 box_easy.c(2.83 KB)
📄 box_easy.exp(908 B)
📄 box_easy2.c(5.42 KB)
📄 box_easy2.exp(15 B)
📄 box_seal.c(1.2 KB)
📄 box_seal.exp(11 B)
📄 box_seed.c(839 B)
📄 box_seed.exp(328 B)
📄 chacha20.c(7.63 KB)
📄 chacha20.exp(20.19 KB)
📄 cmptest.h(4.22 KB)
📄 codecs.c(11.08 KB)
📄 codecs.exp(367 B)
📄 core1.c(1.18 KB)
📄 core1.exp(164 B)
📄 core2.c(1.19 KB)
📄 core2.exp(164 B)
📄 core3.c(3.19 KB)
📄 core3.exp(195 B)
📄 core4.c(981 B)
📄 core4.exp(264 B)
📄 core5.c(908 B)
📄 core5.exp(164 B)
📄 core6.c(1.31 KB)
📄 core6.exp(164 B)
📄 core_ed25519.c(5.44 KB)
📄 core_ed25519.exp(3 B)
📄 ed25519_convert.c(3.4 KB)
📄 ed25519_convert.exp(167 B)
📄 generichash.c(144.45 KB)
📄 generichash.exp(4.25 KB)
📄 generichash2.c(2.41 KB)
📄 generichash2.exp(4.13 KB)
📄 generichash3.c(7.17 KB)
📄 generichash3.exp(5.51 KB)
📄 hash.c(1.47 KB)
📄 hash.exp(388 B)
📄 hash2.exp(129 B)
📄 hash3.c(335 B)
📄 hash3.exp(129 B)
📄 index.html.tpl(2.67 KB)
📄 kdf.c(2.31 KB)
📄 kdf.exp(5.97 KB)
📄 keygen.c(2.62 KB)
📄 keygen.exp(14 B)
📄 kx.c(6.21 KB)
📄 kx.exp(478 B)
📄 metamorphic.c(5.48 KB)
📄 metamorphic.exp(3 B)
📄 misuse.c(3.67 KB)
📄 nacl-test-wrapper.sh(771 B)
📄 onetimeauth.c(2.32 KB)
📄 onetimeauth.exp(164 B)
📄 onetimeauth2.c(1.38 KB)
📄 onetimeauth2.exp(2 B)
📄 onetimeauth7.c(948 B)
📄 pre.js.inc(563 B)
📄 pwhash_argon2i.c(21.74 KB)
📄 pwhash_argon2i.exp(3.03 KB)
📄 pwhash_argon2id.c(25.18 KB)
📄 pwhash_argon2id.exp(3.61 KB)
📄 pwhash_scrypt.c(18.31 KB)
📄 pwhash_scrypt.exp(4.53 KB)
📄 pwhash_scrypt_ll.c(1.68 KB)
📄 pwhash_scrypt_ll.exp(714 B)
📄 randombytes.c(4 KB)
📄 randombytes.exp(220 B)
📄 scalarmult.c(2.42 KB)
📄 scalarmult.exp(260 B)
📄 scalarmult2.c(794 B)
📄 scalarmult2.exp(164 B)
📄 scalarmult5.c(1.18 KB)
📄 scalarmult5.exp(164 B)
📄 scalarmult6.c(1.51 KB)
📄 scalarmult6.exp(164 B)
📄 scalarmult7.c(909 B)
📄 scalarmult7.exp(2 B)
📄 scalarmult_ed25519.c(3.4 KB)
📄 scalarmult_ed25519.exp(3 B)
📄 secretbox.c(3.5 KB)
📄 secretbox.exp(1.47 KB)
📄 secretbox2.c(2.37 KB)
📄 secretbox2.exp(672 B)
📄 secretbox7.c(1.05 KB)
📄 secretbox8.c(1.2 KB)
📄 secretbox_easy.c(4.44 KB)
📄 secretbox_easy.exp(4.02 KB)
📄 secretbox_easy2.c(2.54 KB)
📄 secretbox_easy2.exp(10 B)
📄 secretstream.c(11.43 KB)
📄 secretstream.exp(3 B)
📄 shorthash.c(968 B)
📄 shorthash.exp(1.06 KB)
📄 sign.c(2.65 MB)
📄 sign.exp(512 B)
📄 siphashx24.c(1.02 KB)
📄 siphashx24.exp(2.06 KB)
📄 sodium_core.c(936 B)
📄 sodium_core.exp(17 B)
📄 sodium_utils.c(6.41 KB)
📄 sodium_utils.exp(550 B)
📄 sodium_utils2.c(2.22 KB)
📄 sodium_utils2.exp(46 B)
📄 sodium_utils3.c(1.35 KB)
📄 sodium_utils3.exp(43 B)
📄 sodium_version.c(387 B)
📄 sodium_version.exp(6 B)
📄 stream.c(2.33 KB)
📄 stream.exp(8.57 KB)
📄 stream2.c(1.48 KB)
📄 stream2.exp(130 B)
📄 stream3.c(979 B)
📄 stream3.exp(164 B)
📄 stream4.c(2.02 KB)
📄 stream4.exp(672 B)
📄 verify1.c(2.05 KB)
📄 verify1.exp(6 B)
📄 wintest.bat(1.34 KB)
📄 xchacha20.c(25.49 KB)
📄 xchacha20.exp(482 B)

Editing: ed25519_convert.c

#define TEST_NAME "ed25519_convert"
#include "cmptest.h"

static const unsigned char keypair_seed[crypto_sign_ed25519_SEEDBYTES] = {
    0x42, 0x11, 0x51, 0xa4, 0x59, 0xfa, 0xea, 0xde, 0x3d, 0x24, 0x71,
    0x15, 0xf9, 0x4a, 0xed, 0xae, 0x42, 0x31, 0x81, 0x24, 0x09, 0x5a,
    0xfa, 0xbe, 0x4d, 0x14, 0x51, 0xa5, 0x59, 0xfa, 0xed, 0xee
};

int
main(void)
{
    unsigned char ed25519_pk[crypto_sign_ed25519_PUBLICKEYBYTES];
    unsigned char ed25519_skpk[crypto_sign_ed25519_SECRETKEYBYTES];
    unsigned char curve25519_pk[crypto_scalarmult_curve25519_BYTES];
    unsigned char curve25519_pk2[crypto_scalarmult_curve25519_BYTES];
    unsigned char curve25519_sk[crypto_scalarmult_curve25519_BYTES];
    char          curve25519_pk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
    char          curve25519_sk_hex[crypto_scalarmult_curve25519_BYTES * 2 + 1];
    unsigned char hseed[crypto_hash_sha512_BYTES];
    unsigned int  i;

assert(crypto_sign_ed25519_SEEDBYTES <= crypto_hash_sha512_BYTES);
#ifdef ED25519_NONDETERMINISTIC
    crypto_hash_sha512(hseed, keypair_seed, crypto_sign_ed25519_SEEDBYTES);
#else
    memcpy(hseed, keypair_seed, crypto_sign_ed25519_SEEDBYTES);
#endif
    crypto_sign_ed25519_seed_keypair(ed25519_pk, ed25519_skpk, hseed);

if (crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) != 0) {
        printf("conversion failed\n");
    }
    crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
    sodium_bin2hex(curve25519_pk_hex, sizeof curve25519_pk_hex, curve25519_pk,
                   sizeof curve25519_pk);
    sodium_bin2hex(curve25519_sk_hex, sizeof curve25519_sk_hex, curve25519_sk,
                   sizeof curve25519_sk);

printf("curve25519 pk: [%s]\n", curve25519_pk_hex);
    printf("curve25519 sk: [%s]\n", curve25519_sk_hex);

for (i = 0U; i < 500U; i++) {
        crypto_sign_ed25519_keypair(ed25519_pk, ed25519_skpk);
        if (crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) !=
            0) {
            printf("conversion failed\n");
        }
        crypto_sign_ed25519_sk_to_curve25519(curve25519_sk, ed25519_skpk);
        crypto_scalarmult_curve25519_base(curve25519_pk2, curve25519_sk);
        if (memcmp(curve25519_pk, curve25519_pk2, sizeof curve25519_pk) != 0) {
            printf("conversion failed\n");
        }
    }

sodium_hex2bin(ed25519_pk, crypto_sign_ed25519_PUBLICKEYBYTES,
                   "0000000000000000000000000000000000000000000000000000000000000000"
                   "0000000000000000000000000000000000000000000000000000000000000000",
                   64, NULL, NULL, NULL);
    assert(crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) == -1);
    sodium_hex2bin(ed25519_pk, crypto_sign_ed25519_PUBLICKEYBYTES,
                   "0200000000000000000000000000000000000000000000000000000000000000"
                   "0000000000000000000000000000000000000000000000000000000000000000",
                   64, NULL, NULL, NULL);
    assert(crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) == -1);
    sodium_hex2bin(ed25519_pk, crypto_sign_ed25519_PUBLICKEYBYTES,
                   "0500000000000000000000000000000000000000000000000000000000000000"
                   "0000000000000000000000000000000000000000000000000000000000000000",
                   64, NULL, NULL, NULL);
    assert(crypto_sign_ed25519_pk_to_curve25519(curve25519_pk, ed25519_pk) == -1);

printf("ok\n");

return 0;
}

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Editing: ed25519_convert.c

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