132 lines
5.7 KiB
C
132 lines
5.7 KiB
C
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project 1999.
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*/
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/* ====================================================================
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* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com). */
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#ifndef OPENSSL_HEADER_PKCS8_INTERNAL_H
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#define OPENSSL_HEADER_PKCS8_INTERNAL_H
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#include <openssl/base.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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// pkcs8_pbe_decrypt decrypts |in| using the PBE scheme described by
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// |algorithm|, which should be a serialized AlgorithmIdentifier structure. On
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// success, it sets |*out| to a newly-allocated buffer containing the decrypted
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// result and returns one. Otherwise, it returns zero.
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int pkcs8_pbe_decrypt(uint8_t **out, size_t *out_len, CBS *algorithm,
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const char *pass, size_t pass_len, const uint8_t *in,
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size_t in_len);
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#define PKCS12_KEY_ID 1
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#define PKCS12_IV_ID 2
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#define PKCS12_MAC_ID 3
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// pkcs12_key_gen runs the PKCS#12 key derivation function as specified in
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// RFC 7292, appendix B. On success, it writes the resulting |out_len| bytes of
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// key material to |out| and returns one. Otherwise, it returns zero. |id|
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// should be one of the |PKCS12_*_ID| values.
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int pkcs12_key_gen(const char *pass, size_t pass_len, const uint8_t *salt,
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size_t salt_len, uint8_t id, unsigned iterations,
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size_t out_len, uint8_t *out, const EVP_MD *md);
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// pkcs12_pbe_encrypt_init configures |ctx| for encrypting with a PBES1 scheme
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// defined in PKCS#12. It writes the corresponding AlgorithmIdentifier to |out|.
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int pkcs12_pbe_encrypt_init(CBB *out, EVP_CIPHER_CTX *ctx, int alg,
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unsigned iterations, const char *pass,
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size_t pass_len, const uint8_t *salt,
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size_t salt_len);
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struct pbe_suite {
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int pbe_nid;
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uint8_t oid[10];
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uint8_t oid_len;
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const EVP_CIPHER *(*cipher_func)(void);
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const EVP_MD *(*md_func)(void);
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// decrypt_init initialize |ctx| for decrypting. The password is specified by
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// |pass| and |pass_len|. |param| contains the serialized parameters field of
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// the AlgorithmIdentifier.
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//
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// It returns one on success and zero on error.
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int (*decrypt_init)(const struct pbe_suite *suite, EVP_CIPHER_CTX *ctx,
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const char *pass, size_t pass_len, CBS *param);
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};
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#define PKCS5_DEFAULT_ITERATIONS 2048
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#define PKCS5_SALT_LEN 8
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int PKCS5_pbe2_decrypt_init(const struct pbe_suite *suite, EVP_CIPHER_CTX *ctx,
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const char *pass, size_t pass_len, CBS *param);
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// PKCS5_pbe2_encrypt_init configures |ctx| for encrypting with PKCS #5 PBES2,
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// as defined in RFC 2998, with the specified parameters. It writes the
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// corresponding AlgorithmIdentifier to |out|.
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int PKCS5_pbe2_encrypt_init(CBB *out, EVP_CIPHER_CTX *ctx,
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const EVP_CIPHER *cipher, unsigned iterations,
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const char *pass, size_t pass_len,
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const uint8_t *salt, size_t salt_len);
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// pkcs12_iterations_acceptable returns one if |iterations| is a reasonable
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// number of PBKDF2 iterations and zero otherwise.
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int pkcs12_iterations_acceptable(uint64_t iterations);
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#if defined(__cplusplus)
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} // extern C
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#endif
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#endif // OPENSSL_HEADER_PKCS8_INTERNAL_H
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