X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=lib%2Fopenssl%2Ftest%2Fecdhtest.c;h=b327847e899b9a12a8028edf28fba18dbb5182bf;hb=02ed66432c92de70694700164f986190aad3cbc5;hp=206d98686d7dd33cd165a50126af0f3712411d94;hpb=89016837dcbf2775cd15dc8cbaba00dc6379f86e;p=cassiopeia.git

diff --git a/lib/openssl/test/ecdhtest.c b/lib/openssl/test/ecdhtest.c
deleted file mode 120000
index 206d986..0000000
--- a/lib/openssl/test/ecdhtest.c
+++ /dev/null
@@ -1 +0,0 @@
-../crypto/ecdh/ecdhtest.c
\ No newline at end of file
diff --git a/lib/openssl/test/ecdhtest.c b/lib/openssl/test/ecdhtest.c
new file mode 100644
index 0000000..b327847
--- /dev/null
+++ b/lib/openssl/test/ecdhtest.c
@@ -0,0 +1,612 @@
+/*
+ * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * The Elliptic Curve Public-Key Crypto Library (ECC Code) included
+ * herein is developed by SUN MICROSYSTEMS, INC., and is contributed
+ * to the OpenSSL project.
+ *
+ * The ECC Code is licensed pursuant to the OpenSSL open source
+ * license provided below.
+ *
+ * The ECDH software is originally written by Douglas Stebila of
+ * Sun Microsystems Laboratories.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../e_os.h"
+
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_EC */
+#include <openssl/crypto.h>
+#include <openssl/bio.h>
+#include <openssl/bn.h>
+#include <openssl/objects.h>
+#include <openssl/rand.h>
+#include <openssl/sha.h>
+#include <openssl/err.h>
+
+#ifdef OPENSSL_NO_EC
+int main(int argc, char *argv[])
+{
+    printf("No ECDH support\n");
+    return (0);
+}
+#else
+# include <openssl/ec.h>
+
+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;
+    const char *db;
+    const char *Z;
+} ecdh_kat_t;
+
+static const ecdh_kat_t ecdh_kats[] = {
+    /* Keys and shared secrets from RFC 5114 */
+    { NID_X9_62_prime192v1,
+    "323FA3169D8E9C6593F59476BC142000AB5BE0E249C43426",
+    "631F95BB4A67632C9C476EEE9AB695AB240A0499307FCF62",
+    "AD420182633F8526BFE954ACDA376F05E5FF4F837F54FEBE" },
+    { NID_secp224r1,
+    "B558EB6C288DA707BBB4F8FBAE2AB9E9CB62E3BC5C7573E22E26D37F",
+    "AC3B1ADD3D9770E6F6A708EE9F3B8E0AB3B480E9F27F85C88B5E6D18",
+    "52272F50F46F4EDC9151569092F46DF2D96ECC3B6DC1714A4EA949FA" },
+    { NID_X9_62_prime256v1,
+    "814264145F2F56F2E96A8E337A1284993FAF432A5ABCE59E867B7291D507A3AF",
+    "2CE1788EC197E096DB95A200CC0AB26A19CE6BCCAD562B8EEE1B593761CF7F41",
+    "DD0F5396219D1EA393310412D19A08F1F5811E9DC8EC8EEA7F80D21C820C2788" },
+    { NID_secp384r1,
+    "D27335EA71664AF244DD14E9FD1260715DFD8A7965571C48D709EE7A7962A156"
+    "D706A90CBCB5DF2986F05FEADB9376F1",
+    "52D1791FDB4B70F89C0F00D456C2F7023B6125262C36A7DF1F80231121CCE3D3"
+    "9BE52E00C194A4132C4A6C768BCD94D2",
+    "5EA1FC4AF7256D2055981B110575E0A8CAE53160137D904C59D926EB1B8456E4"
+    "27AA8A4540884C37DE159A58028ABC0E" },
+    { NID_secp521r1,
+    "0113F82DA825735E3D97276683B2B74277BAD27335EA71664AF2430CC4F33459"
+    "B9669EE78B3FFB9B8683015D344DCBFEF6FB9AF4C6C470BE254516CD3C1A1FB4"
+    "7362",
+    "00CEE3480D8645A17D249F2776D28BAE616952D1791FDB4B70F7C3378732AA1B"
+    "22928448BCD1DC2496D435B01048066EBE4F72903C361B1A9DC1193DC2C9D089"
+    "1B96",
+    "00CDEA89621CFA46B132F9E4CFE2261CDE2D4368EB5656634C7CC98C7A00CDE5"
+    "4ED1866A0DD3E6126C9D2F845DAFF82CEB1DA08F5D87521BB0EBECA77911169C"
+    "20CC" },
+    /* Keys and shared secrets from RFC 5903 */
+    { NID_X9_62_prime256v1,
+    "C88F01F510D9AC3F70A292DAA2316DE544E9AAB8AFE84049C62A9C57862D1433",
+    "C6EF9C5D78AE012A011164ACB397CE2088685D8F06BF9BE0B283AB46476BEE53",
+    "D6840F6B42F6EDAFD13116E0E12565202FEF8E9ECE7DCE03812464D04B9442DE" },
+    { NID_secp384r1,
+    "099F3C7034D4A2C699884D73A375A67F7624EF7C6B3C0F160647B67414DCE655"
+    "E35B538041E649EE3FAEF896783AB194",
+    "41CB0779B4BDB85D47846725FBEC3C9430FAB46CC8DC5060855CC9BDA0AA2942"
+    "E0308312916B8ED2960E4BD55A7448FC",
+    "11187331C279962D93D604243FD592CB9D0A926F422E47187521287E7156C5C4"
+    "D603135569B9E9D09CF5D4A270F59746" },
+    { NID_secp521r1,
+    "0037ADE9319A89F4DABDB3EF411AACCCA5123C61ACAB57B5393DCE47608172A0"
+    "95AA85A30FE1C2952C6771D937BA9777F5957B2639BAB072462F68C27A57382D"
+    "4A52",
+    "0145BA99A847AF43793FDD0E872E7CDFA16BE30FDC780F97BCCC3F078380201E"
+    "9C677D600B343757A3BDBF2A3163E4C2F869CCA7458AA4A4EFFC311F5CB15168"
+    "5EB9",
+    "01144C7D79AE6956BC8EDB8E7C787C4521CB086FA64407F97894E5E6B2D79B04"
+    "D1427E73CA4BAA240A34786859810C06B3C715A3A8CC3151F2BEE417996D19F3"
+    "DDEA" },
+    /* Keys and shared secrets from RFC 7027 */
+    { NID_brainpoolP256r1,
+    "81DB1EE100150FF2EA338D708271BE38300CB54241D79950F77B063039804F1D",
+    "55E40BC41E37E3E2AD25C3C6654511FFA8474A91A0032087593852D3E7D76BD3",
+    "89AFC39D41D3B327814B80940B042590F96556EC91E6AE7939BCE31F3A18BF2B" },
+    { NID_brainpoolP384r1,
+    "1E20F5E048A5886F1F157C74E91BDE2B98C8B52D58E5003D57053FC4B0BD65D6"
+    "F15EB5D1EE1610DF870795143627D042",
+    "032640BC6003C59260F7250C3DB58CE647F98E1260ACCE4ACDA3DD869F74E01F"
+    "8BA5E0324309DB6A9831497ABAC96670",
+    "0BD9D3A7EA0B3D519D09D8E48D0785FB744A6B355E6304BC51C229FBBCE239BB"
+    "ADF6403715C35D4FB2A5444F575D4F42" },
+    { NID_brainpoolP512r1,
+    "16302FF0DBBB5A8D733DAB7141C1B45ACBC8715939677F6A56850A38BD87BD59"
+    "B09E80279609FF333EB9D4C061231FB26F92EEB04982A5F1D1764CAD57665422",
+    "230E18E1BCC88A362FA54E4EA3902009292F7F8033624FD471B5D8ACE49D12CF"
+    "ABBC19963DAB8E2F1EBA00BFFB29E4D72D13F2224562F405CB80503666B25429",
+    "A7927098655F1F9976FA50A9D566865DC530331846381C87256BAF3226244B76"
+    "D36403C024D7BBF0AA0803EAFF405D3D24F11A9B5C0BEF679FE1454B21C4CD1F" }
+};
+
+/* Given private value and NID, create EC_KEY structure */
+
+static EC_KEY *mk_eckey(int nid, const char *str)
+{
+    int ok = 0;
+    EC_KEY *k = NULL;
+    BIGNUM *priv = NULL;
+    EC_POINT *pub = NULL;
+    const EC_GROUP *grp;
+    k = EC_KEY_new_by_curve_name(nid);
+    if (!k)
+        goto err;
+    if(!BN_hex2bn(&priv, str))
+        goto err;
+    if (!priv)
+        goto err;
+    if (!EC_KEY_set_private_key(k, priv))
+        goto err;
+    grp = EC_KEY_get0_group(k);
+    pub = EC_POINT_new(grp);
+    if (!pub)
+        goto err;
+    if (!EC_POINT_mul(grp, pub, priv, NULL, NULL, NULL))
+        goto err;
+    if (!EC_KEY_set_public_key(k, pub))
+        goto err;
+    ok = 1;
+ err:
+    BN_clear_free(priv);
+    EC_POINT_free(pub);
+    if (ok)
+        return k;
+    EC_KEY_free(k);
+    return NULL;
+}
+
+/*
+ * Known answer test: compute shared secret and check it matches expected
+ * value.
+ */
+
+static int ecdh_kat(BIO *out, const ecdh_kat_t *kat)
+{
+    int rv = 0;
+    EC_KEY *key1 = NULL, *key2 = NULL;
+    BIGNUM *bnz = NULL;
+    unsigned char *Ztmp = NULL, *Z = NULL;
+    size_t Ztmplen, Zlen;
+    BIO_puts(out, "Testing ECDH shared secret with ");
+    BIO_puts(out, OBJ_nid2sn(kat->nid));
+    if(!BN_hex2bn(&bnz, kat->Z))
+        goto err;
+    key1 = mk_eckey(kat->nid, kat->da);
+    key2 = mk_eckey(kat->nid, kat->db);
+    if (!key1 || !key2)
+        goto err;
+    Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8;
+    Zlen = BN_num_bytes(bnz);
+    if (Zlen > Ztmplen)
+        goto err;
+    if((Ztmp = OPENSSL_zalloc(Ztmplen)) == NULL)
+        goto err;
+    if((Z = OPENSSL_zalloc(Ztmplen)) == NULL)
+        goto err;
+    if(!BN_bn2binpad(bnz, Z, Ztmplen))
+        goto err;
+    if (!ECDH_compute_key(Ztmp, Ztmplen,
+                          EC_KEY_get0_public_key(key2), key1, 0))
+        goto err;
+    if (memcmp(Ztmp, Z, Ztmplen))
+        goto err;
+    memset(Ztmp, 0, Ztmplen);
+    if (!ECDH_compute_key(Ztmp, Ztmplen,
+                          EC_KEY_get0_public_key(key1), key2, 0))
+        goto err;
+    if (memcmp(Ztmp, Z, Ztmplen))
+        goto err;
+    rv = 1;
+ err:
+    EC_KEY_free(key1);
+    EC_KEY_free(key2);
+    OPENSSL_free(Ztmp);
+    OPENSSL_free(Z);
+    BN_free(bnz);
+    if (rv)
+        BIO_puts(out, " ok\n");
+    else {
+        fprintf(stderr, "Error in ECDH routines\n");
+        ERR_print_errors_fp(stderr);
+    }
+    return rv;
+}
+
+#include "ecdhtest_cavs.h"
+
+/*
+ * NIST SP800-56A co-factor ECDH tests.
+ * KATs taken from NIST documents with parameters:
+ *
+ * - (QCAVSx,QCAVSy) is the public key for CAVS.
+ * - dIUT is the private key for IUT.
+ * - (QIUTx,QIUTy) is the public key for IUT.
+ * - ZIUT is the shared secret KAT.
+ *
+ * CAVS: Cryptographic Algorithm Validation System
+ * IUT: Implementation Under Test
+ *
+ * This function tests two things:
+ *
+ * 1. dIUT * G = (QIUTx,QIUTy)
+ *    i.e. public key for IUT computes correctly.
+ * 2. x-coord of cofactor * dIUT * (QCAVSx,QCAVSy) = ZIUT
+ *    i.e. co-factor ECDH key computes correctly.
+ *
+ * returns zero on failure or unsupported curve. One otherwise.
+ */
+static int ecdh_cavs_kat(BIO *out, const ecdh_cavs_kat_t *kat)
+{
+    int rv = 0, is_char_two = 0;
+    EC_KEY *key1 = NULL;
+    EC_POINT *pub = NULL;
+    const EC_GROUP *group = NULL;
+    BIGNUM *bnz = NULL, *x = NULL, *y = NULL;
+    unsigned char *Ztmp = NULL, *Z = NULL;
+    size_t Ztmplen, Zlen;
+    BIO_puts(out, "Testing ECC CDH Primitive SP800-56A with ");
+    BIO_puts(out, OBJ_nid2sn(kat->nid));
+
+    /* dIUT is IUT's private key */
+    if ((key1 = mk_eckey(kat->nid, kat->dIUT)) == NULL)
+        goto err;
+    /* these are cofactor ECDH KATs */
+    EC_KEY_set_flags(key1, EC_FLAG_COFACTOR_ECDH);
+
+    if ((group = EC_KEY_get0_group(key1)) == NULL)
+        goto err;
+    if ((pub = EC_POINT_new(group)) == NULL)
+        goto err;
+
+    if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_characteristic_two_field)
+        is_char_two = 1;
+
+    /* (QIUTx, QIUTy) is IUT's public key */
+    if(!BN_hex2bn(&x, kat->QIUTx))
+        goto err;
+    if(!BN_hex2bn(&y, kat->QIUTy))
+        goto err;
+    if (is_char_two) {
+#ifdef OPENSSL_NO_EC2M
+        goto err;
+#else
+        if (!EC_POINT_set_affine_coordinates_GF2m(group, pub, x, y, NULL))
+            goto err;
+#endif
+    }
+    else {
+        if (!EC_POINT_set_affine_coordinates_GFp(group, pub, x, y, NULL))
+            goto err;
+    }
+    /* dIUT * G = (QIUTx, QIUTy) should hold */
+    if (EC_POINT_cmp(group, EC_KEY_get0_public_key(key1), pub, NULL))
+        goto err;
+
+    /* (QCAVSx, QCAVSy) is CAVS's public key */
+    if(!BN_hex2bn(&x, kat->QCAVSx))
+        goto err;
+    if(!BN_hex2bn(&y, kat->QCAVSy))
+        goto err;
+    if (is_char_two) {
+#ifdef OPENSSL_NO_EC2M
+        goto err;
+#else
+        if (!EC_POINT_set_affine_coordinates_GF2m(group, pub, x, y, NULL))
+            goto err;
+#endif
+    }
+    else {
+        if (!EC_POINT_set_affine_coordinates_GFp(group, pub, x, y, NULL))
+            goto err;
+    }
+
+    /* ZIUT is the shared secret */
+    if(!BN_hex2bn(&bnz, kat->ZIUT))
+        goto err;
+    Ztmplen = (EC_GROUP_get_degree(EC_KEY_get0_group(key1)) + 7) / 8;
+    Zlen = BN_num_bytes(bnz);
+    if (Zlen > Ztmplen)
+        goto err;
+    if((Ztmp = OPENSSL_zalloc(Ztmplen)) == NULL)
+        goto err;
+    if((Z = OPENSSL_zalloc(Ztmplen)) == NULL)
+        goto err;
+    if(!BN_bn2binpad(bnz, Z, Ztmplen))
+        goto err;
+    if (!ECDH_compute_key(Ztmp, Ztmplen, pub, key1, 0))
+        goto err;
+    /* shared secrets should be identical */
+    if (memcmp(Ztmp, Z, Ztmplen))
+        goto err;
+    rv = 1;
+ err:
+    EC_KEY_free(key1);
+    EC_POINT_free(pub);
+    BN_free(bnz);
+    BN_free(x);
+    BN_free(y);
+    OPENSSL_free(Ztmp);
+    OPENSSL_free(Z);
+    if (rv) {
+        BIO_puts(out, " ok\n");
+    }
+    else {
+        fprintf(stderr, "Error in ECC CDH routines\n");
+        ERR_print_errors_fp(stderr);
+    }
+    return rv;
+}
+
+int main(int argc, char *argv[])
+{
+    BN_CTX *ctx = NULL;
+    int nid, ret = 1;
+    EC_builtin_curve *curves = NULL;
+    size_t crv_len = 0, n = 0;
+    BIO *out;
+
+    CRYPTO_set_mem_debug(1);
+    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+    RAND_seed(rnd_seed, sizeof rnd_seed);
+
+    out = BIO_new(BIO_s_file());
+    if (out == NULL)
+        EXIT(1);
+    BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
+
+    if ((ctx = BN_CTX_new()) == NULL)
+        goto err;
+
+    /* get a list of all internal curves */
+    crv_len = EC_get_builtin_curves(NULL, 0);
+    curves = OPENSSL_malloc(sizeof(*curves) * crv_len);
+    if (curves == NULL) goto err;
+
+    if (!EC_get_builtin_curves(curves, crv_len)) goto err;
+
+    /* NAMED CURVES TESTS */
+    for (n = 0; n < crv_len; n++) {
+        nid = curves[n].nid;
+        /*
+         * Skipped for X25519 because affine coordinate operations are not
+         * supported for this curve.
+         * Higher level ECDH tests are performed in evptests.txt instead.
+         */
+        if (nid == NID_X25519)
+            continue;
+        if (!test_ecdh_curve(nid, ctx, out)) goto err;
+    }
+
+    /* KATs */
+    for (n = 0; n < (sizeof(ecdh_kats)/sizeof(ecdh_kat_t)); n++) {
+        if (!ecdh_kat(out, &ecdh_kats[n]))
+            goto err;
+    }
+
+    /* NIST SP800-56A co-factor ECDH KATs */
+    for (n = 0; n < (sizeof(ecdh_cavs_kats)/sizeof(ecdh_cavs_kat_t)); n++) {
+        if (!ecdh_cavs_kat(out, &ecdh_cavs_kats[n]))
+            goto err;
+    }
+
+    ret = 0;
+
+ err:
+    ERR_print_errors_fp(stderr);
+    OPENSSL_free(curves);
+    BN_CTX_free(ctx);
+    BIO_free(out);
+
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+    if (CRYPTO_mem_leaks_fp(stderr) <= 0)
+        ret = 1;
+#endif
+    EXIT(ret);
+}
+#endif