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+/**
+ * \file pkcs12.h
+ *
+ * \brief PKCS#12 Personal Information Exchange Syntax
+ */
+/*
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: GPL-2.0
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+#ifndef MBEDTLS_PKCS12_H
+#define MBEDTLS_PKCS12_H
+
+#include "md.h"
+#include "cipher.h"
+#include "asn1.h"
+
+#include <stddef.h>
+
+#define MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA                 -0x1F80  /**< Bad input parameters to function. */
+#define MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE            -0x1F00  /**< Feature not available, e.g. unsupported encryption scheme. */
+#define MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT             -0x1E80  /**< PBE ASN.1 data not as expected. */
+#define MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH              -0x1E00  /**< Given private key password does not allow for correct decryption. */
+
+#define MBEDTLS_PKCS12_DERIVE_KEY       1   /**< encryption/decryption key */
+#define MBEDTLS_PKCS12_DERIVE_IV        2   /**< initialization vector     */
+#define MBEDTLS_PKCS12_DERIVE_MAC_KEY   3   /**< integrity / MAC key       */
+
+#define MBEDTLS_PKCS12_PBE_DECRYPT      0
+#define MBEDTLS_PKCS12_PBE_ENCRYPT      1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief            PKCS12 Password Based function (encryption / decryption)
+ *                   for pbeWithSHAAnd128BitRC4
+ *
+ * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
+ * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
+ * \param pwd        the password used (may be NULL if no password is used)
+ * \param pwdlen     length of the password (may be 0)
+ * \param input      the input data
+ * \param len        data length
+ * \param output     the output buffer
+ *
+ * \return           0 if successful, or a MBEDTLS_ERR_XXX code
+ */
+int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
+                             const unsigned char *pwd,  size_t pwdlen,
+                             const unsigned char *input, size_t len,
+                             unsigned char *output );
+
+/**
+ * \brief            PKCS12 Password Based function (encryption / decryption)
+ *                   for cipher-based and mbedtls_md-based PBE's
+ *
+ * \param pbe_params an ASN1 buffer containing the pkcs-12PbeParams structure
+ * \param mode       either MBEDTLS_PKCS12_PBE_ENCRYPT or MBEDTLS_PKCS12_PBE_DECRYPT
+ * \param cipher_type the cipher used
+ * \param md_type     the mbedtls_md used
+ * \param pwd        the password used (may be NULL if no password is used)
+ * \param pwdlen     length of the password (may be 0)
+ * \param input      the input data
+ * \param len        data length
+ * \param output     the output buffer
+ *
+ * \return           0 if successful, or a MBEDTLS_ERR_XXX code
+ */
+int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
+                mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
+                const unsigned char *pwd,  size_t pwdlen,
+                const unsigned char *input, size_t len,
+                unsigned char *output );
+
+/**
+ * \brief            The PKCS#12 derivation function uses a password and a salt
+ *                   to produce pseudo-random bits for a particular "purpose".
+ *
+ *                   Depending on the given id, this function can produce an
+ *                   encryption/decryption key, an nitialization vector or an
+ *                   integrity key.
+ *
+ * \param data       buffer to store the derived data in
+ * \param datalen    length to fill
+ * \param pwd        password to use (may be NULL if no password is used)
+ * \param pwdlen     length of the password (may be 0)
+ * \param salt       salt buffer to use
+ * \param saltlen    length of the salt
+ * \param mbedtls_md         mbedtls_md type to use during the derivation
+ * \param id         id that describes the purpose (can be MBEDTLS_PKCS12_DERIVE_KEY,
+ *                   MBEDTLS_PKCS12_DERIVE_IV or MBEDTLS_PKCS12_DERIVE_MAC_KEY)
+ * \param iterations number of iterations
+ *
+ * \return          0 if successful, or a MD, BIGNUM type error.
+ */
+int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
+                       const unsigned char *pwd, size_t pwdlen,
+                       const unsigned char *salt, size_t saltlen,
+                       mbedtls_md_type_t mbedtls_md, int id, int iterations );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* pkcs12.h */