Remove stale code in ecdhtest.c

Reviewed-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3187)

test/ecdhtest.c

@@ -49,200 +49,6 @@ int main(int argc, char *argv[])
 static const char rnd_seed[] =
     "string to make the random number generator think it has entropy";
 
-static const int KDF1_SHA1_len = 20;
-static void *KDF1_SHA1(const void *in, size_t inlen, void *out,
-                       size_t *outlen)
-{
-    if (*outlen < SHA_DIGEST_LENGTH)
-        return NULL;
-    *outlen = SHA_DIGEST_LENGTH;
-    return SHA1(in, inlen, out);
-}
-
-static int test_ecdh_curve(int nid, BN_CTX *ctx, BIO *out)
-{
-    EC_KEY *a = NULL;
-    EC_KEY *b = NULL;
-    BIGNUM *x_a = NULL, *y_a = NULL, *x_b = NULL, *y_b = NULL;
-    char buf[12];
-    unsigned char *abuf = NULL, *bbuf = NULL;
-    int i, alen, blen, aout, bout, ret = 0;
-    const EC_GROUP *group;
-
-    a = EC_KEY_new_by_curve_name(nid);
-    b = EC_KEY_new_by_curve_name(nid);
-    if (a == NULL || b == NULL)
-        goto err;
-
-    group = EC_KEY_get0_group(a);
-
-    if ((x_a = BN_new()) == NULL)
-        goto err;
-    if ((y_a = BN_new()) == NULL)
-        goto err;
-    if ((x_b = BN_new()) == NULL)
-        goto err;
-    if ((y_b = BN_new()) == NULL)
-        goto err;
-
-    BIO_puts(out, "Testing key generation with ");
-    BIO_puts(out, OBJ_nid2sn(nid));
-# ifdef NOISY
-    BIO_puts(out, "\n");
-# else
-    (void)BIO_flush(out);
-# endif
-
-    if (!EC_KEY_generate_key(a))
-        goto err;
-
-    if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
-        NID_X9_62_prime_field) {
-        if (!EC_POINT_get_affine_coordinates_GFp
-            (group, EC_KEY_get0_public_key(a), x_a, y_a, ctx))
-            goto err;
-    }
-# ifndef OPENSSL_NO_EC2M
-    else {
-        if (!EC_POINT_get_affine_coordinates_GF2m(group,
-                                                  EC_KEY_get0_public_key(a),
-                                                  x_a, y_a, ctx))
-            goto err;
-    }
-# endif
-# ifdef NOISY
-    BIO_puts(out, "  pri 1=");
-    BN_print(out, a->priv_key);
-    BIO_puts(out, "\n  pub 1=");
-    BN_print(out, x_a);
-    BIO_puts(out, ",");
-    BN_print(out, y_a);
-    BIO_puts(out, "\n");
-# else
-    BIO_printf(out, " .");
-    (void)BIO_flush(out);
-# endif
-
-    if (!EC_KEY_generate_key(b))
-        goto err;
-
-    if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) ==
-        NID_X9_62_prime_field) {
-        if (!EC_POINT_get_affine_coordinates_GFp
-            (group, EC_KEY_get0_public_key(b), x_b, y_b, ctx))
-            goto err;
-    }
-# ifndef OPENSSL_NO_EC2M
-    else {
-        if (!EC_POINT_get_affine_coordinates_GF2m(group,
-                                                  EC_KEY_get0_public_key(b),
-                                                  x_b, y_b, ctx))
-            goto err;
-    }
-# endif
-
-# ifdef NOISY
-    BIO_puts(out, "  pri 2=");
-    BN_print(out, b->priv_key);
-    BIO_puts(out, "\n  pub 2=");
-    BN_print(out, x_b);
-    BIO_puts(out, ",");
-    BN_print(out, y_b);
-    BIO_puts(out, "\n");
-# else
-    BIO_printf(out, ".");
-    (void)BIO_flush(out);
-# endif
-
-    alen = KDF1_SHA1_len;
-    abuf = OPENSSL_malloc(alen);
-    aout =
-        ECDH_compute_key(abuf, alen, EC_KEY_get0_public_key(b), a, KDF1_SHA1);
-
-# ifdef NOISY
-    BIO_puts(out, "  key1 =");
-    for (i = 0; i < aout; i++) {
-        sprintf(buf, "%02X", abuf[i]);
-        BIO_puts(out, buf);
-    }
-    BIO_puts(out, "\n");
-# else
-    BIO_printf(out, ".");
-    (void)BIO_flush(out);
-# endif
-
-    blen = KDF1_SHA1_len;
-    bbuf = OPENSSL_malloc(blen);
-    bout =
-        ECDH_compute_key(bbuf, blen, EC_KEY_get0_public_key(a), b, KDF1_SHA1);
-
-# ifdef NOISY
-    BIO_puts(out, "  key2 =");
-    for (i = 0; i < bout; i++) {
-        sprintf(buf, "%02X", bbuf[i]);
-        BIO_puts(out, buf);
-    }
-    BIO_puts(out, "\n");
-# else
-    BIO_printf(out, ".");
-    (void)BIO_flush(out);
-# endif
-
-    if ((aout < 4) || (bout != aout) || (memcmp(abuf, bbuf, aout) != 0)) {
-# ifndef NOISY
-        BIO_printf(out, " failed\n\n");
-        BIO_printf(out, "key a:\n");
-        BIO_printf(out, "private key: ");
-        BN_print(out, EC_KEY_get0_private_key(a));
-        BIO_printf(out, "\n");
-        BIO_printf(out, "public key (x,y): ");
-        BN_print(out, x_a);
-        BIO_printf(out, ",");
-        BN_print(out, y_a);
-        BIO_printf(out, "\nkey b:\n");
-        BIO_printf(out, "private key: ");
-        BN_print(out, EC_KEY_get0_private_key(b));
-        BIO_printf(out, "\n");
-        BIO_printf(out, "public key (x,y): ");
-        BN_print(out, x_b);
-        BIO_printf(out, ",");
-        BN_print(out, y_b);
-        BIO_printf(out, "\n");
-        BIO_printf(out, "generated key a: ");
-        for (i = 0; i < bout; i++) {
-            sprintf(buf, "%02X", bbuf[i]);
-            BIO_puts(out, buf);
-        }
-        BIO_printf(out, "\n");
-        BIO_printf(out, "generated key b: ");
-        for (i = 0; i < aout; i++) {
-            sprintf(buf, "%02X", abuf[i]);
-            BIO_puts(out, buf);
-        }
-        BIO_printf(out, "\n");
-# endif
-        fprintf(stderr, "Error in ECDH routines\n");
-        ret = 0;
-    } else {
-# ifndef NOISY
-        BIO_printf(out, " ok\n");
-# endif
-        ret = 1;
-    }
- err:
-    ERR_print_errors_fp(stderr);
-
-    OPENSSL_free(abuf);
-    OPENSSL_free(bbuf);
-    BN_free(x_a);
-    BN_free(y_a);
-    BN_free(x_b);
-    BN_free(y_b);
-    EC_KEY_free(b);
-    EC_KEY_free(a);
-    return (ret);
-}
-
 typedef struct {
     const int nid;
     const char *da;
@@ -545,7 +351,7 @@ static int ecdh_cavs_kat(BIO *out, const ecdh_cavs_kat_t *kat)
 int main(int argc, char *argv[])
 {
     BN_CTX *ctx = NULL;
-    int nid, ret = 1;
+    int ret = 1;
     EC_builtin_curve *curves = NULL;
     size_t crv_len = 0, n = 0;
     BIO *out;