Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/ecdsa/ecdsatest.c

Index: openssl/crypto/ecdsa/ecdsatest.c
diff --git a/openssl/crypto/ecdsa/ecdsatest.c b/openssl/crypto/ecdsa/ecdsatest.c
deleted file mode 100644
index 537bb30362cfcb806c014888771fa90834f1084c..0000000000000000000000000000000000000000
--- a/openssl/crypto/ecdsa/ecdsatest.c
+++ /dev/null
@@ -1,572 +0,0 @@
-/* crypto/ecdsa/ecdsatest.c */
-/*
- * Written by Nils Larsch for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2000-2005 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-/* ====================================================================
- * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
- *
- * Portions of the attached software ("Contribution") are developed by 
- * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
- *
- * The Contribution is licensed pursuant to the OpenSSL open source
- * license provided above.
- *
- * The elliptic curve binary polynomial software is originally written by 
- * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
-
-#ifdef OPENSSL_NO_ECDSA
-int main(int argc, char * argv[])
-	{
-	puts("Elliptic curves are disabled.");
-	return 0;
-	}
-#else
-
-#include <openssl/crypto.h>
-#include <openssl/bio.h>
-#include <openssl/evp.h>
-#include <openssl/bn.h>
-#include <openssl/ecdsa.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#include <openssl/err.h>
-#include <openssl/rand.h>
-
-static const char rnd_seed[] = "string to make the random number generator "
-	"think it has entropy";
-
-/* declaration of the test functions */
-int x9_62_tests(BIO *);
-int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
-int test_builtin(BIO *);
-
-/* functions to change the RAND_METHOD */
-int change_rand(void);
-int restore_rand(void);
-int fbytes(unsigned char *buf, int num);
-
-RAND_METHOD	fake_rand;
-const RAND_METHOD *old_rand;
-
-int change_rand(void)
-	{
-	/* save old rand method */
-	if ((old_rand = RAND_get_rand_method()) == NULL)
-		return 0;
-
-	fake_rand.seed    = old_rand->seed;
-	fake_rand.cleanup = old_rand->cleanup;
-	fake_rand.add     = old_rand->add;
-	fake_rand.status  = old_rand->status;
-	/* use own random function */
-	fake_rand.bytes      = fbytes;
-	fake_rand.pseudorand = old_rand->bytes;
-	/* set new RAND_METHOD */
-	if (!RAND_set_rand_method(&fake_rand))
-		return 0;
-	return 1;
-	}
-
-int restore_rand(void)
-	{
-	if (!RAND_set_rand_method(old_rand))
-		return 0;
-	else
-		return 1;
-	}
-
-static int fbytes_counter = 0;
-static const char *numbers[8] = {
-	"651056770906015076056810763456358567190100156695615665659",
-	"6140507067065001063065065565667405560006161556565665656654",
-	"8763001015071075675010661307616710783570106710677817767166"
-	"71676178726717",
-	"7000000175690566466555057817571571075705015757757057795755"
-	"55657156756655",
-	"1275552191113212300012030439187146164646146646466749494799",
-	"1542725565216523985789236956265265265235675811949404040041",
-	"1456427555219115346513212300075341203043918714616464614664"
-	"64667494947990",
-	"1712787255652165239672857892369562652652652356758119494040"
-	"40041670216363"};
-
-int fbytes(unsigned char *buf, int num)
-	{
-	int	ret;
-	BIGNUM	*tmp = NULL;
-
-	if (fbytes_counter >= 8)
-		return 0;
-	tmp = BN_new();
-	if (!tmp)
-		return 0;
-	if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
-		{
-		BN_free(tmp);
-		return 0;
-		}
-	fbytes_counter ++;
-	if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
-		ret = 0;
-	else 
-		ret = 1;
-	if (tmp)
-		BN_free(tmp);
-	return ret;
-	}
-
-/* some tests from the X9.62 draft */
-int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
-	{
-	int	ret = 0;
-	const char message[] = "abc";
-	unsigned char digest[20];
-	unsigned int  dgst_len = 0;
-	EVP_MD_CTX md_ctx;
-	EC_KEY    *key = NULL;
-	ECDSA_SIG *signature = NULL;
-	BIGNUM    *r = NULL, *s = NULL;
-
-	EVP_MD_CTX_init(&md_ctx);
-	/* get the message digest */
-	EVP_DigestInit(&md_ctx, EVP_ecdsa());
-	EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
-	EVP_DigestFinal(&md_ctx, digest, &dgst_len);
-
-	BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
-	/* create the key */
-	if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
-		goto x962_int_err;
-	if (!EC_KEY_generate_key(key))
-		goto x962_int_err;
-	BIO_printf(out, ".");
-	(void)BIO_flush(out);
-	/* create the signature */
-	signature = ECDSA_do_sign(digest, 20, key);
-	if (signature == NULL)
-		goto x962_int_err;
-	BIO_printf(out, ".");
-	(void)BIO_flush(out);
-	/* compare the created signature with the expected signature */
-	if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
-		goto x962_int_err;
-	if (!BN_dec2bn(&r, r_in) ||
-	    !BN_dec2bn(&s, s_in))
-		goto x962_int_err;
-	if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
-		goto x962_int_err;
-	BIO_printf(out, ".");
-	(void)BIO_flush(out);
-	/* verify the signature */
-	if (ECDSA_do_verify(digest, 20, signature, key) != 1)
-		goto x962_int_err;
-	BIO_printf(out, ".");
-	(void)BIO_flush(out);
-
-	BIO_printf(out, " ok\n");
-	ret = 1;
-x962_int_err:
-	if (!ret)
-		BIO_printf(out, " failed\n");
-	if (key)
-		EC_KEY_free(key);
-	if (signature)
-		ECDSA_SIG_free(signature);
-	if (r)
-		BN_free(r);
-	if (s)
-		BN_free(s);
-	EVP_MD_CTX_cleanup(&md_ctx);
-	return ret;
-	}
-
-int x9_62_tests(BIO *out)
-	{
-	int ret = 0;
-
-	BIO_printf(out, "some tests from X9.62:\n");
-
-	/* set own rand method */
-	if (!change_rand())
-		goto x962_err;
-
-	if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
-		"3342403536405981729393488334694600415596881826869351677613",
-		"5735822328888155254683894997897571951568553642892029982342"))
-		goto x962_err;
-	if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
-		"3086361431751678114926225473006680188549593787585317781474"
-		"62058306432176",
-		"3238135532097973577080787768312505059318910517550078427819"
-		"78505179448783"))
-		goto x962_err;
-#ifndef OPENSSL_NO_EC2M
-	if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
-		"87194383164871543355722284926904419997237591535066528048",
-		"308992691965804947361541664549085895292153777025772063598"))
-		goto x962_err;
-	if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
-		"2159633321041961198501834003903461262881815148684178964245"
-		"5876922391552",
-		"1970303740007316867383349976549972270528498040721988191026"
-		"49413465737174"))
-		goto x962_err;
-#endif
-	ret = 1;
-x962_err:
-	if (!restore_rand())
-		ret = 0;
-	return ret;
-	}
-
-int test_builtin(BIO *out)
-	{
-	EC_builtin_curve *curves = NULL;
-	size_t		crv_len = 0, n = 0;
-	EC_KEY		*eckey = NULL, *wrong_eckey = NULL;
-	EC_GROUP	*group;
-	ECDSA_SIG	*ecdsa_sig = NULL;
-	unsigned char	digest[20], wrong_digest[20];
-	unsigned char	*signature = NULL;
-	const unsigned char	*sig_ptr;
-	unsigned char	*sig_ptr2;
-	unsigned char	*raw_buf = NULL;
-	unsigned int	sig_len, degree, r_len, s_len, bn_len, buf_len;
-	int		nid, ret =  0;
-	
-	/* fill digest values with some random data */
-	if (!RAND_pseudo_bytes(digest, 20) ||
-	    !RAND_pseudo_bytes(wrong_digest, 20))
-		{
-		BIO_printf(out, "ERROR: unable to get random data\n");
-		goto builtin_err;
-		}
-
-	/* create and verify a ecdsa signature with every availble curve
-	 * (with ) */
-	BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
-		"with some internal curves:\n");
-
-	/* get a list of all internal curves */
-	crv_len = EC_get_builtin_curves(NULL, 0);
-
-	curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
-
-	if (curves == NULL)
-		{
-		BIO_printf(out, "malloc error\n");
-		goto builtin_err;
-		}
-	
-	if (!EC_get_builtin_curves(curves, crv_len))
-		{
-		BIO_printf(out, "unable to get internal curves\n");
-		goto builtin_err;
-		}
-
-	/* now create and verify a signature for every curve */
-	for (n = 0; n < crv_len; n++)
-		{
-		unsigned char dirt, offset;
-
-		nid = curves[n].nid;
-		if (nid == NID_ipsec4)
-			continue;
-		/* create new ecdsa key (== EC_KEY) */
-		if ((eckey = EC_KEY_new()) == NULL)
-			goto builtin_err;
-		group = EC_GROUP_new_by_curve_name(nid);
-		if (group == NULL)
-			goto builtin_err;
-		if (EC_KEY_set_group(eckey, group) == 0)
-			goto builtin_err;
-		EC_GROUP_free(group);
-		degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey));
-		if (degree < 160)
-			/* drop the curve */ 
-			{
-			EC_KEY_free(eckey);
-			eckey = NULL;
-			continue;
-			}
-		BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
-		/* create key */
-		if (!EC_KEY_generate_key(eckey))
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		/* create second key */
-		if ((wrong_eckey = EC_KEY_new()) == NULL)
-			goto builtin_err;
-		group = EC_GROUP_new_by_curve_name(nid);
-		if (group == NULL)
-			goto builtin_err;
-		if (EC_KEY_set_group(wrong_eckey, group) == 0)
-			goto builtin_err;
-		EC_GROUP_free(group);
-		if (!EC_KEY_generate_key(wrong_eckey))
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* check key */
-		if (!EC_KEY_check_key(eckey))
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* create signature */
-		sig_len = ECDSA_size(eckey);
-		if ((signature = OPENSSL_malloc(sig_len)) == NULL)
-			goto builtin_err;
-                if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* verify signature */
-		if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* verify signature with the wrong key */
-		if (ECDSA_verify(0, digest, 20, signature, sig_len, 
-			wrong_eckey) == 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* wrong digest */
-		if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
-			eckey) == 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		/* wrong length */
-		if (ECDSA_verify(0, digest, 20, signature, sig_len - 1,
-			eckey) == 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-
-		/* Modify a single byte of the signature: to ensure we don't
-		 * garble the ASN1 structure, we read the raw signature and
-		 * modify a byte in one of the bignums directly. */
-		sig_ptr = signature;
-		if ((ecdsa_sig = d2i_ECDSA_SIG(NULL, &sig_ptr, sig_len)) == NULL)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-
-		/* Store the two BIGNUMs in raw_buf. */
-		r_len = BN_num_bytes(ecdsa_sig->r);
-		s_len = BN_num_bytes(ecdsa_sig->s);
-		bn_len = (degree + 7) / 8;
-		if ((r_len > bn_len) || (s_len > bn_len))
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		buf_len = 2 * bn_len;
-		if ((raw_buf = OPENSSL_malloc(buf_len)) == NULL)
-			goto builtin_err;
-		/* Pad the bignums with leading zeroes. */
-		memset(raw_buf, 0, buf_len);
-		BN_bn2bin(ecdsa_sig->r, raw_buf + bn_len - r_len);
-		BN_bn2bin(ecdsa_sig->s, raw_buf + buf_len - s_len);
-
-		/* Modify a single byte in the buffer. */
-		offset = raw_buf[10] % buf_len;
-		dirt   = raw_buf[11] ? raw_buf[11] : 1;
-		raw_buf[offset] ^= dirt;
-		/* Now read the BIGNUMs back in from raw_buf. */
-		if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
-			(BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
-			goto builtin_err;
-
-		sig_ptr2 = signature;
-		sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
-		if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		/* Sanity check: undo the modification and verify signature. */
-		raw_buf[offset] ^= dirt;
-		if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) ||
-			(BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL))
-			goto builtin_err;
-
-		sig_ptr2 = signature;
-		sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2);
-		if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
-			{
-			BIO_printf(out, " failed\n");
-			goto builtin_err;
-			}
-		BIO_printf(out, ".");
-		(void)BIO_flush(out);
-		
-		BIO_printf(out, " ok\n");
-		/* cleanup */
-		/* clean bogus errors */
-		ERR_clear_error();
-		OPENSSL_free(signature);
-		signature = NULL;
-		EC_KEY_free(eckey);
-		eckey = NULL;
-		EC_KEY_free(wrong_eckey);
-		wrong_eckey = NULL;
-		ECDSA_SIG_free(ecdsa_sig);
-		ecdsa_sig = NULL;
-		OPENSSL_free(raw_buf);
-		raw_buf = NULL;
-		}
-
-	ret = 1;	
-builtin_err:
-	if (eckey)
-		EC_KEY_free(eckey);
-	if (wrong_eckey)
-		EC_KEY_free(wrong_eckey);
-	if (ecdsa_sig)
-		ECDSA_SIG_free(ecdsa_sig);
-	if (signature)
-		OPENSSL_free(signature);
-	if (raw_buf)
-		OPENSSL_free(raw_buf);
-	if (curves)
-		OPENSSL_free(curves);
-
-	return ret;
-	}
-
-int main(void)
-	{
-	int 	ret = 1;
-	BIO	*out;
-
-	out = BIO_new_fp(stdout, BIO_NOCLOSE);
-	
-	/* enable memory leak checking unless explicitly disabled */
-	if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && 
-		(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
-		{
-		CRYPTO_malloc_debug_init();
-		CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
-		}
-	else
-		{
-		/* OPENSSL_DEBUG_MEMORY=off */
-		CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
-		}
-	CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
-
-	ERR_load_crypto_strings();
-
-	/* initialize the prng */
-	RAND_seed(rnd_seed, sizeof(rnd_seed));
-
-	/* the tests */
-	if (!x9_62_tests(out))  goto err;
-	if (!test_builtin(out)) goto err;
-	
-	ret = 0;
-err:	
-	if (ret) 	
-		BIO_printf(out, "\nECDSA test failed\n");
-	else 
-		BIO_printf(out, "\nECDSA test passed\n");
-	if (ret)
-		ERR_print_errors(out);
-	CRYPTO_cleanup_all_ex_data();
-	ERR_remove_thread_state(NULL);
-	ERR_free_strings();
-	CRYPTO_mem_leaks(out);
-	if (out != NULL)
-		BIO_free(out);
-	return ret;
-	}	
-#endif