Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/rsa/rsa_chk.c

Index: openssl/crypto/rsa/rsa_chk.c
diff --git a/openssl/crypto/rsa/rsa_chk.c b/openssl/crypto/rsa/rsa_chk.c
deleted file mode 100644
index 9d848db8c6c783f8718d86a0b86bbae2bb3f967d..0000000000000000000000000000000000000000
--- a/openssl/crypto/rsa/rsa_chk.c
+++ /dev/null
@@ -1,184 +0,0 @@
-/* crypto/rsa/rsa_chk.c  -*- Mode: C; c-file-style: "eay" -*- */
-/* ====================================================================
- * Copyright (c) 1999 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
- *    openssl-core@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.
- * ====================================================================
- */
-
-#include <openssl/bn.h>
-#include <openssl/err.h>
-#include <openssl/rsa.h>
-
-
-int RSA_check_key(const RSA *key)
-	{
-	BIGNUM *i, *j, *k, *l, *m;
-	BN_CTX *ctx;
-	int r;
-	int ret=1;
-	
-	i = BN_new();
-	j = BN_new();
-	k = BN_new();
-	l = BN_new();
-	m = BN_new();
-	ctx = BN_CTX_new();
-	if (i == NULL || j == NULL || k == NULL || l == NULL ||
-		m == NULL || ctx == NULL)
-		{
-		ret = -1;
-		RSAerr(RSA_F_RSA_CHECK_KEY, ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-	
-	/* p prime? */
-	r = BN_is_prime_ex(key->p, BN_prime_checks, NULL, NULL);
-	if (r != 1)
-		{
-		ret = r;
-		if (r != 0)
-			goto err;
-		RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_P_NOT_PRIME);
-		}
-	
-	/* q prime? */
-	r = BN_is_prime_ex(key->q, BN_prime_checks, NULL, NULL);
-	if (r != 1)
-		{
-		ret = r;
-		if (r != 0)
-			goto err;
-		RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_Q_NOT_PRIME);
-		}
-	
-	/* n = p*q? */
-	r = BN_mul(i, key->p, key->q, ctx);
-	if (!r) { ret = -1; goto err; }
-	
-	if (BN_cmp(i, key->n) != 0)
-		{
-		ret = 0;
-		RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_N_DOES_NOT_EQUAL_P_Q);
-		}
-	
-	/* d*e = 1  mod lcm(p-1,q-1)? */
-
-	r = BN_sub(i, key->p, BN_value_one());
-	if (!r) { ret = -1; goto err; }
-	r = BN_sub(j, key->q, BN_value_one());
-	if (!r) { ret = -1; goto err; }
-
-	/* now compute k = lcm(i,j) */
-	r = BN_mul(l, i, j, ctx);
-	if (!r) { ret = -1; goto err; }
-	r = BN_gcd(m, i, j, ctx);
-	if (!r) { ret = -1; goto err; }
-	r = BN_div(k, NULL, l, m, ctx); /* remainder is 0 */
-	if (!r) { ret = -1; goto err; }
-
-	r = BN_mod_mul(i, key->d, key->e, k, ctx);
-	if (!r) { ret = -1; goto err; }
-
-	if (!BN_is_one(i))
-		{
-		ret = 0;
-		RSAerr(RSA_F_RSA_CHECK_KEY, RSA_R_D_E_NOT_CONGRUENT_TO_1);
-		}
-	
-	if (key->dmp1 != NULL && key->dmq1 != NULL && key->iqmp != NULL)
-		{
-		/* dmp1 = d mod (p-1)? */
-		r = BN_sub(i, key->p, BN_value_one());
-		if (!r) { ret = -1; goto err; }
-
-		r = BN_mod(j, key->d, i, ctx);
-		if (!r) { ret = -1; goto err; }
-
-		if (BN_cmp(j, key->dmp1) != 0)
-			{
-			ret = 0;
-			RSAerr(RSA_F_RSA_CHECK_KEY,
-				RSA_R_DMP1_NOT_CONGRUENT_TO_D);
-			}
-	
-		/* dmq1 = d mod (q-1)? */    
-		r = BN_sub(i, key->q, BN_value_one());
-		if (!r) { ret = -1; goto err; }
-	
-		r = BN_mod(j, key->d, i, ctx);
-		if (!r) { ret = -1; goto err; }
-
-		if (BN_cmp(j, key->dmq1) != 0)
-			{
-			ret = 0;
-			RSAerr(RSA_F_RSA_CHECK_KEY,
-				RSA_R_DMQ1_NOT_CONGRUENT_TO_D);
-			}
-	
-		/* iqmp = q^-1 mod p? */
-		if(!BN_mod_inverse(i, key->q, key->p, ctx))
-			{
-			ret = -1;
-			goto err;
-			}
-
-		if (BN_cmp(i, key->iqmp) != 0)
-			{
-			ret = 0;
-			RSAerr(RSA_F_RSA_CHECK_KEY,
-				RSA_R_IQMP_NOT_INVERSE_OF_Q);
-			}
-		}
-
- err:
-	if (i != NULL) BN_free(i);
-	if (j != NULL) BN_free(j);
-	if (k != NULL) BN_free(k);
-	if (l != NULL) BN_free(l);
-	if (m != NULL) BN_free(m);
-	if (ctx != NULL) BN_CTX_free(ctx);
-	return (ret);
-	}