Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/evp/p5_crpt2.c

Index: openssl/crypto/evp/p5_crpt2.c
diff --git a/openssl/crypto/evp/p5_crpt2.c b/openssl/crypto/evp/p5_crpt2.c
deleted file mode 100644
index 975d004df4732d1eefa091cc64b76f1b2ef2a984..0000000000000000000000000000000000000000
--- a/openssl/crypto/evp/p5_crpt2.c
+++ /dev/null
@@ -1,322 +0,0 @@
-/* p5_crpt2.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999-2006 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 <stdlib.h>
-#include "cryptlib.h"
-#if !defined(OPENSSL_NO_HMAC) && !defined(OPENSSL_NO_SHA)
-#include <openssl/x509.h>
-#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#include "evp_locl.h"
-
-/* set this to print out info about the keygen algorithm */
-/* #define DEBUG_PKCS5V2 */
-
-#ifdef DEBUG_PKCS5V2
-	static void h__dump (const unsigned char *p, int len);
-#endif
-
-/* This is an implementation of PKCS#5 v2.0 password based encryption key
- * derivation function PBKDF2.
- * SHA1 version verified against test vectors posted by Peter Gutmann
- * <pgut001@cs.auckland.ac.nz> to the PKCS-TNG <pkcs-tng@rsa.com> mailing list.
- */
-
-int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
-			   const unsigned char *salt, int saltlen, int iter,
-			   const EVP_MD *digest,
-			   int keylen, unsigned char *out)
-	{
-	unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4];
-	int cplen, j, k, tkeylen, mdlen;
-	unsigned long i = 1;
-	HMAC_CTX hctx;
-
-	mdlen = EVP_MD_size(digest);
-	if (mdlen < 0)
-		return 0;
-
-	HMAC_CTX_init(&hctx);
-	p = out;
-	tkeylen = keylen;
-	if(!pass)
-		passlen = 0;
-	else if(passlen == -1)
-		passlen = strlen(pass);
-	while(tkeylen)
-		{
-		if(tkeylen > mdlen)
-			cplen = mdlen;
-		else
-			cplen = tkeylen;
-		/* We are unlikely to ever use more than 256 blocks (5120 bits!)
-		 * but just in case...
-		 */
-		itmp[0] = (unsigned char)((i >> 24) & 0xff);
-		itmp[1] = (unsigned char)((i >> 16) & 0xff);
-		itmp[2] = (unsigned char)((i >> 8) & 0xff);
-		itmp[3] = (unsigned char)(i & 0xff);
-		if (!HMAC_Init_ex(&hctx, pass, passlen, digest, NULL)
-			|| !HMAC_Update(&hctx, salt, saltlen)
-			|| !HMAC_Update(&hctx, itmp, 4)
-			|| !HMAC_Final(&hctx, digtmp, NULL))
-			{
-			HMAC_CTX_cleanup(&hctx);
-			return 0;
-			}
-		memcpy(p, digtmp, cplen);
-		for(j = 1; j < iter; j++)
-			{
-			HMAC(digest, pass, passlen,
-				 digtmp, mdlen, digtmp, NULL);
-			for(k = 0; k < cplen; k++)
-				p[k] ^= digtmp[k];
-			}
-		tkeylen-= cplen;
-		i++;
-		p+= cplen;
-		}
-	HMAC_CTX_cleanup(&hctx);
-#ifdef DEBUG_PKCS5V2
-	fprintf(stderr, "Password:\n");
-	h__dump (pass, passlen);
-	fprintf(stderr, "Salt:\n");
-	h__dump (salt, saltlen);
-	fprintf(stderr, "Iteration count %d\n", iter);
-	fprintf(stderr, "Key:\n");
-	h__dump (out, keylen);
-#endif
-	return 1;
-	}
-
-int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
-			   const unsigned char *salt, int saltlen, int iter,
-			   int keylen, unsigned char *out)
-	{
-	return PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, EVP_sha1(),
-					keylen, out);
-	}
-
-#ifdef DO_TEST
-main()
-{
-	unsigned char out[4];
-	unsigned char salt[] = {0x12, 0x34, 0x56, 0x78};
-	PKCS5_PBKDF2_HMAC_SHA1("password", -1, salt, 4, 5, 4, out);
-	fprintf(stderr, "Out %02X %02X %02X %02X\n",
-					 out[0], out[1], out[2], out[3]);
-}
-
-#endif
-
-/* Now the key derivation function itself. This is a bit evil because
- * it has to check the ASN1 parameters are valid: and there are quite a
- * few of them...
- */
-
-int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
-                         ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md,
-                         int en_de)
-{
-	const unsigned char *pbuf;
-	int plen;
-	PBE2PARAM *pbe2 = NULL;
-	const EVP_CIPHER *cipher;
-
-	int rv = 0;
-
-	if (param == NULL || param->type != V_ASN1_SEQUENCE ||
-	    param->value.sequence == NULL) {
-		EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
-		goto err;
-	}
-
-	pbuf = param->value.sequence->data;
-	plen = param->value.sequence->length;
-	if(!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
-		EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,EVP_R_DECODE_ERROR);
-		goto err;
-	}
-
-	/* See if we recognise the key derivation function */
-
-	if(OBJ_obj2nid(pbe2->keyfunc->algorithm) != NID_id_pbkdf2) {
-		EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,
-				EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION);
-		goto err;
-	}
-
-	/* lets see if we recognise the encryption algorithm.
-	 */
-
-	cipher = EVP_get_cipherbyobj(pbe2->encryption->algorithm);
-
-	if(!cipher) {
-		EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,
-						EVP_R_UNSUPPORTED_CIPHER);
-		goto err;
-	}
-
-	/* Fixup cipher based on AlgorithmIdentifier */
-	if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, en_de))
-		goto err;
-	if(EVP_CIPHER_asn1_to_param(ctx, pbe2->encryption->parameter) < 0) {
-		EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN,
-					EVP_R_CIPHER_PARAMETER_ERROR);
-		goto err;
-	}
-	rv = PKCS5_v2_PBKDF2_keyivgen(ctx, pass, passlen,
-					pbe2->keyfunc->parameter, c, md, en_de);
-	err:
-	PBE2PARAM_free(pbe2);
-	return rv;
-}
-
-int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
-                         ASN1_TYPE *param,
-			 const EVP_CIPHER *c, const EVP_MD *md, int en_de)
-{
-	unsigned char *salt, key[EVP_MAX_KEY_LENGTH];
-	const unsigned char *pbuf;
-	int saltlen, iter, plen;
-	int rv = 0;
-	unsigned int keylen = 0;
-	int prf_nid, hmac_md_nid;
-	PBKDF2PARAM *kdf = NULL;
-	const EVP_MD *prfmd;
-
-	if (EVP_CIPHER_CTX_cipher(ctx) == NULL)
-		{
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN,EVP_R_NO_CIPHER_SET);
-		goto err;
-		}
-	keylen = EVP_CIPHER_CTX_key_length(ctx);
-	OPENSSL_assert(keylen <= sizeof key);
-
-	/* Decode parameter */
-
-	if(!param || (param->type != V_ASN1_SEQUENCE))
-		{
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN,EVP_R_DECODE_ERROR);
-		goto err;
-		}
-
-	pbuf = param->value.sequence->data;
-	plen = param->value.sequence->length;
-
-	if(!(kdf = d2i_PBKDF2PARAM(NULL, &pbuf, plen)) ) {
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN,EVP_R_DECODE_ERROR);
-		goto err;
-	}
-
-	keylen = EVP_CIPHER_CTX_key_length(ctx);
-
-	/* Now check the parameters of the kdf */
-
-	if(kdf->keylength && (ASN1_INTEGER_get(kdf->keylength) != (int)keylen)){
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN,
-						EVP_R_UNSUPPORTED_KEYLENGTH);
-		goto err;
-	}
-
-	if (kdf->prf)
-		prf_nid = OBJ_obj2nid(kdf->prf->algorithm);
-	else
-		prf_nid = NID_hmacWithSHA1;
-
-	if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, prf_nid, NULL, &hmac_md_nid, 0))
-		{
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_PRF);
-		goto err;
-		}
-
-	prfmd = EVP_get_digestbynid(hmac_md_nid);
-	if (prfmd == NULL)
-		{
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_UNSUPPORTED_PRF);
-		goto err;
-		}
-
-	if(kdf->salt->type != V_ASN1_OCTET_STRING) {
-		EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN,
-						EVP_R_UNSUPPORTED_SALT_TYPE);
-		goto err;
-	}
-
-	/* it seems that its all OK */
-	salt = kdf->salt->value.octet_string->data;
-	saltlen = kdf->salt->value.octet_string->length;
-	iter = ASN1_INTEGER_get(kdf->iter);
-	if(!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, prfmd,
-						   keylen, key))
-		goto err;
-	rv = EVP_CipherInit_ex(ctx, NULL, NULL, key, NULL, en_de);
-	err:
-	OPENSSL_cleanse(key, keylen);
-	PBKDF2PARAM_free(kdf);
-	return rv;
-}
-
-#ifdef DEBUG_PKCS5V2
-static void h__dump (const unsigned char *p, int len)
-{
-        for (; len --; p++) fprintf(stderr, "%02X ", *p);
-        fprintf(stderr, "\n");
-}
-#endif
-#endif