118 lines
4.6 KiB
C
118 lines
4.6 KiB
C
/**
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* \file pkcs12.h
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*
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* \brief PKCS#12 Personal Information Exchange Syntax
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBEDTLS_PKCS12_H
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#define MBEDTLS_PKCS12_H
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#include "mbedtls/build_info.h"
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#include "mbedtls/md.h"
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#include "mbedtls/cipher.h"
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#include "mbedtls/asn1.h"
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#include <stddef.h>
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/** Bad input parameters to function. */
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#define MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA -0x1F80
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/** Feature not available, e.g. unsupported encryption scheme. */
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#define MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE -0x1F00
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/** PBE ASN.1 data not as expected. */
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#define MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT -0x1E80
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/** Given private key password does not allow for correct decryption. */
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#define MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH -0x1E00
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#define MBEDTLS_PKCS12_DERIVE_KEY 1 /**< encryption/decryption key */
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#define MBEDTLS_PKCS12_DERIVE_IV 2 /**< initialization vector */
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#define MBEDTLS_PKCS12_DERIVE_MAC_KEY 3 /**< integrity / MAC key */
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#define MBEDTLS_PKCS12_PBE_DECRYPT 0
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#define MBEDTLS_PKCS12_PBE_ENCRYPT 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if defined(MBEDTLS_ASN1_PARSE_C)
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/**
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* \brief PKCS12 Password Based function (encryption / decryption)
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* for cipher-based and mbedtls_md-based PBE's
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*
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* \param pbe_params an ASN1 buffer containing the pkcs-12 PbeParams structure
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* \param mode either #MBEDTLS_PKCS12_PBE_ENCRYPT or
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* #MBEDTLS_PKCS12_PBE_DECRYPT
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* \param cipher_type the cipher used
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* \param md_type the mbedtls_md used
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* \param pwd Latin1-encoded password used. This may only be \c NULL when
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* \p pwdlen is 0. No null terminator should be used.
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* \param pwdlen length of the password (may be 0)
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* \param input the input data
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* \param len data length
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* \param output the output buffer
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*
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* \return 0 if successful, or a MBEDTLS_ERR_XXX code
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*/
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int mbedtls_pkcs12_pbe(mbedtls_asn1_buf *pbe_params, int mode,
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mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
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const unsigned char *pwd, size_t pwdlen,
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const unsigned char *input, size_t len,
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unsigned char *output);
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#endif /* MBEDTLS_ASN1_PARSE_C */
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/**
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* \brief The PKCS#12 derivation function uses a password and a salt
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* to produce pseudo-random bits for a particular "purpose".
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*
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* Depending on the given id, this function can produce an
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* encryption/decryption key, an initialization vector or an
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* integrity key.
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*
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* \param data buffer to store the derived data in
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* \param datalen length of buffer to fill
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* \param pwd The password to use. For compliance with PKCS#12 §B.1, this
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* should be a BMPString, i.e. a Unicode string where each
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* character is encoded as 2 bytes in big-endian order, with
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* no byte order mark and with a null terminator (i.e. the
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* last two bytes should be 0x00 0x00).
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* \param pwdlen length of the password (may be 0).
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* \param salt Salt buffer to use. This may only be \c NULL when
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* \p saltlen is 0.
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* \param saltlen length of the salt (may be zero)
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* \param mbedtls_md mbedtls_md type to use during the derivation
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* \param id id that describes the purpose (can be
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* #MBEDTLS_PKCS12_DERIVE_KEY, #MBEDTLS_PKCS12_DERIVE_IV or
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* #MBEDTLS_PKCS12_DERIVE_MAC_KEY)
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* \param iterations number of iterations
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*
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* \return 0 if successful, or a MD, BIGNUM type error.
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*/
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int mbedtls_pkcs12_derivation(unsigned char *data, size_t datalen,
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const unsigned char *pwd, size_t pwdlen,
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const unsigned char *salt, size_t saltlen,
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mbedtls_md_type_t mbedtls_md, int id, int iterations);
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#ifdef __cplusplus
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}
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#endif
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#endif /* pkcs12.h */
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