ssl/libcrypto/src/crypto/evp/evp_pbe.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/evp/evp_pbe.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,152 @@
+/* evp_pbe.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * 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).
+ *
+ */
+ /*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
+#include "libcrypto_wsd_macros.h"
+#include "libcrypto_wsd.h"
+#endif
+
+
+
+#ifndef EMULATOR
+/* Password based encryption (PBE) functions */
+
+static STACK *pbe_algs;
+#else
+GET_STATIC_VAR_FROM_TLS(pbe_algs,evp_pbe,STACK *)
+#define pbe_algs (*GET_WSD_VAR_NAME(pbe_algs,evp_pbe,s)())
+#endif
+
+/* Setup a cipher context from a PBE algorithm */
+
+typedef struct {
+int pbe_nid;
+const EVP_CIPHER *cipher;
+const EVP_MD *md;
+EVP_PBE_KEYGEN *keygen;
+} EVP_PBE_CTL;
+
+EXPORT_C int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
+	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
+{
+
+	EVP_PBE_CTL *pbetmp, pbelu;
+	int i;
+	pbelu.pbe_nid = OBJ_obj2nid(pbe_obj);
+	if (pbelu.pbe_nid != NID_undef) i = sk_find(pbe_algs, (char *)&pbelu);
+	else i = -1;
+
+	if (i == -1) {
+		char obj_tmp[80];
+		EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
+		if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
+		else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
+		ERR_add_error_data(2, "TYPE=", obj_tmp);
+		return 0;
+	}
+	if(!pass) passlen = 0;
+	else if (passlen == -1) passlen = strlen(pass);
+	pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i);
+	i = (*pbetmp->keygen)(ctx, pass, passlen, param, pbetmp->cipher,
+						 pbetmp->md, en_de);
+	if (!i) {
+		EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
+		return 0;
+	}
+	return 1;	
+}
+
+static int pbe_cmp(const char * const *a, const char * const *b)
+{
+	const EVP_PBE_CTL * const *pbe1 = (const EVP_PBE_CTL * const *) a,
+			* const *pbe2 = (const EVP_PBE_CTL * const *)b;
+	return ((*pbe1)->pbe_nid - (*pbe2)->pbe_nid);
+}
+
+/* Add a PBE algorithm */
+
+EXPORT_C int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
+	     EVP_PBE_KEYGEN *keygen)
+{
+	EVP_PBE_CTL *pbe_tmp;
+	if (!pbe_algs) pbe_algs = sk_new(pbe_cmp);
+	if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) {
+		EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);
+		return 0;
+	}
+	pbe_tmp->pbe_nid = nid;
+	pbe_tmp->cipher = cipher;
+	pbe_tmp->md = md;
+	pbe_tmp->keygen = keygen;
+	sk_push (pbe_algs, (char *)pbe_tmp);
+	return 1;
+}
+
+EXPORT_C void EVP_PBE_cleanup(void)
+{
+	sk_pop_free(pbe_algs, OPENSSL_freeFunc);
+	pbe_algs = NULL;
+}