Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/asn1/p5_pbev2.c

Index: openssl/crypto/asn1/p5_pbev2.c
diff --git a/openssl/crypto/asn1/p5_pbev2.c b/openssl/crypto/asn1/p5_pbev2.c
deleted file mode 100644
index 4ea683036b17f6d264a7e8f84afe743b02a23e34..0000000000000000000000000000000000000000
--- a/openssl/crypto/asn1/p5_pbev2.c
+++ /dev/null
@@ -1,280 +0,0 @@
-/* p5_pbev2.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999-2004.
- */
-/* ====================================================================
- * 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
- *    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).
- *
- */
-
-#include <stdio.h>
-#include "cryptlib.h"
-#include <openssl/asn1t.h>
-#include <openssl/x509.h>
-#include <openssl/rand.h>
-
-/* PKCS#5 v2.0 password based encryption structures */
-
-ASN1_SEQUENCE(PBE2PARAM) = {
-	ASN1_SIMPLE(PBE2PARAM, keyfunc, X509_ALGOR),
-	ASN1_SIMPLE(PBE2PARAM, encryption, X509_ALGOR)
-} ASN1_SEQUENCE_END(PBE2PARAM)
-
-IMPLEMENT_ASN1_FUNCTIONS(PBE2PARAM)
-
-ASN1_SEQUENCE(PBKDF2PARAM) = {
-	ASN1_SIMPLE(PBKDF2PARAM, salt, ASN1_ANY),
-	ASN1_SIMPLE(PBKDF2PARAM, iter, ASN1_INTEGER),
-	ASN1_OPT(PBKDF2PARAM, keylength, ASN1_INTEGER),
-	ASN1_OPT(PBKDF2PARAM, prf, X509_ALGOR)
-} ASN1_SEQUENCE_END(PBKDF2PARAM)
-
-IMPLEMENT_ASN1_FUNCTIONS(PBKDF2PARAM)
-
-/* Return an algorithm identifier for a PKCS#5 v2.0 PBE algorithm:
- * yes I know this is horrible!
- *
- * Extended version to allow application supplied PRF NID and IV.
- */
-
-X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter,
-				 unsigned char *salt, int saltlen,
-				 unsigned char *aiv, int prf_nid)
-{
-	X509_ALGOR *scheme = NULL, *kalg = NULL, *ret = NULL;
-	int alg_nid, keylen;
-	EVP_CIPHER_CTX ctx;
-	unsigned char iv[EVP_MAX_IV_LENGTH];
-	PBE2PARAM *pbe2 = NULL;
-	ASN1_OBJECT *obj;
-
-	alg_nid = EVP_CIPHER_type(cipher);
-	if(alg_nid == NID_undef) {
-		ASN1err(ASN1_F_PKCS5_PBE2_SET_IV,
-				ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
-		goto err;
-	}
-	obj = OBJ_nid2obj(alg_nid);
-
-	if(!(pbe2 = PBE2PARAM_new())) goto merr;
-
-	/* Setup the AlgorithmIdentifier for the encryption scheme */
-	scheme = pbe2->encryption;
-
-	scheme->algorithm = obj;
-	if(!(scheme->parameter = ASN1_TYPE_new())) goto merr;
-
-	/* Create random IV */
-	if (EVP_CIPHER_iv_length(cipher))
-		{
-		if (aiv)
-			memcpy(iv, aiv, EVP_CIPHER_iv_length(cipher));
-		else if (RAND_pseudo_bytes(iv, EVP_CIPHER_iv_length(cipher)) < 0)
-  			goto err;
-		}
-
-	EVP_CIPHER_CTX_init(&ctx);
-
-	/* Dummy cipherinit to just setup the IV, and PRF */
-	if (!EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 0))
-		goto err;
-	if(EVP_CIPHER_param_to_asn1(&ctx, scheme->parameter) < 0) {
-		ASN1err(ASN1_F_PKCS5_PBE2_SET_IV,
-					ASN1_R_ERROR_SETTING_CIPHER_PARAMS);
-		EVP_CIPHER_CTX_cleanup(&ctx);
-		goto err;
-	}
-	/* If prf NID unspecified see if cipher has a preference.
-	 * An error is OK here: just means use default PRF.
-	 */
-	if ((prf_nid == -1) && 
-	EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0)
-		{
-		ERR_clear_error();
-		prf_nid = NID_hmacWithSHA1;
-		}
-	EVP_CIPHER_CTX_cleanup(&ctx);
-
-	/* If its RC2 then we'd better setup the key length */
-
-	if(alg_nid == NID_rc2_cbc)
-		keylen = EVP_CIPHER_key_length(cipher);
-	else
-		keylen = -1;
-
-	/* Setup keyfunc */
-
-	X509_ALGOR_free(pbe2->keyfunc);
-
-	pbe2->keyfunc = PKCS5_pbkdf2_set(iter, salt, saltlen, prf_nid, keylen);
-
-	if (!pbe2->keyfunc)
-		goto merr;
-
-	/* Now set up top level AlgorithmIdentifier */
-
-	if(!(ret = X509_ALGOR_new())) goto merr;
-	if(!(ret->parameter = ASN1_TYPE_new())) goto merr;
-
-	ret->algorithm = OBJ_nid2obj(NID_pbes2);
-
-	/* Encode PBE2PARAM into parameter */
-
-	if(!ASN1_item_pack(pbe2, ASN1_ITEM_rptr(PBE2PARAM),
-				 &ret->parameter->value.sequence)) goto merr;
-	ret->parameter->type = V_ASN1_SEQUENCE;
-
-	PBE2PARAM_free(pbe2);
-	pbe2 = NULL;
-
-	return ret;
-
-	merr:
-	ASN1err(ASN1_F_PKCS5_PBE2_SET_IV,ERR_R_MALLOC_FAILURE);
-
-	err:
-	PBE2PARAM_free(pbe2);
-	/* Note 'scheme' is freed as part of pbe2 */
-	X509_ALGOR_free(kalg);
-	X509_ALGOR_free(ret);
-
-	return NULL;
-
-}
-
-X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter,
-				 unsigned char *salt, int saltlen)
-	{
-	return PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, -1);
-	}
-
-X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen,
-				int prf_nid, int keylen)
-	{
-	X509_ALGOR *keyfunc = NULL;
-	PBKDF2PARAM *kdf = NULL;
-	ASN1_OCTET_STRING *osalt = NULL;
-
-	if(!(kdf = PBKDF2PARAM_new()))
-		goto merr;
-	if(!(osalt = M_ASN1_OCTET_STRING_new()))
-		goto merr;
-
-	kdf->salt->value.octet_string = osalt;
-	kdf->salt->type = V_ASN1_OCTET_STRING;
-
-	if (!saltlen)
-		saltlen = PKCS5_SALT_LEN;
-	if (!(osalt->data = OPENSSL_malloc (saltlen)))
-		goto merr;
-
-	osalt->length = saltlen;
-
-	if (salt)
-		memcpy (osalt->data, salt, saltlen);
-	else if (RAND_pseudo_bytes (osalt->data, saltlen) < 0)
-		goto merr;
-
-	if(iter <= 0)
-		iter = PKCS5_DEFAULT_ITER;
-
-	if(!ASN1_INTEGER_set(kdf->iter, iter))
-		goto merr;
-
-	/* If have a key len set it up */
-
-	if(keylen > 0) 
-		{
-		if(!(kdf->keylength = M_ASN1_INTEGER_new()))
-			goto merr;
-		if(!ASN1_INTEGER_set (kdf->keylength, keylen))
-			goto merr;
-		}
-
-	/* prf can stay NULL if we are using hmacWithSHA1 */
-	if (prf_nid > 0 && prf_nid != NID_hmacWithSHA1)
-		{
-		kdf->prf = X509_ALGOR_new();
-		if (!kdf->prf)
-			goto merr;
-		X509_ALGOR_set0(kdf->prf, OBJ_nid2obj(prf_nid),
-					V_ASN1_NULL, NULL);
-		}
-
-	/* Finally setup the keyfunc structure */
-
-	keyfunc = X509_ALGOR_new();
-	if (!keyfunc)
-		goto merr;
-
-	keyfunc->algorithm = OBJ_nid2obj(NID_id_pbkdf2);
-
-	/* Encode PBKDF2PARAM into parameter of pbe2 */
-
-	if(!(keyfunc->parameter = ASN1_TYPE_new()))
-		goto merr;
-
-	if(!ASN1_item_pack(kdf, ASN1_ITEM_rptr(PBKDF2PARAM),
-			 &keyfunc->parameter->value.sequence))
-		goto merr;
-	keyfunc->parameter->type = V_ASN1_SEQUENCE;
-
-	PBKDF2PARAM_free(kdf);
-	return keyfunc;
-
-	merr:
-	ASN1err(ASN1_F_PKCS5_PBKDF2_SET,ERR_R_MALLOC_FAILURE);
-	PBKDF2PARAM_free(kdf);
-	X509_ALGOR_free(keyfunc);
-	return NULL;
-	}
-