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+/* Written by Dr Stephen N Henson (steve@openssl.org) 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). */
+
+
+#ifndef OPENSSL_HEADER_PKCS8_H
+#define OPENSSL_HEADER_PKCS8_H
+
+#include <openssl/base.h>
+
+#include <stdio.h>
+
+#include <openssl/x509.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/* PKCS8_encrypt_pbe serializes and encrypts a PKCS8_PRIV_KEY_INFO with PBES1 as
+ * defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
+ * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, defined in PKCS
+ * #12, are supported. The |pass_raw_len| bytes pointed to by |pass_raw| are
+ * used as the password. Note that any conversions from the password as
+ * supplied in a text string (such as those specified in B.1 of PKCS #12) must
+ * be performed by the caller.
+ *
+ * If |salt| is NULL, a random salt of |salt_len| bytes is generated. If
+ * |salt_len| is zero, a default salt length is used instead.
+ *
+ * The resulting structure is stored in an X509_SIG which must be freed by the
+ * caller.
+ *
+ * TODO(davidben): Really? An X509_SIG? OpenSSL probably did that because it has
+ * the same structure as EncryptedPrivateKeyInfo. */
+OPENSSL_EXPORT X509_SIG *PKCS8_encrypt_pbe(int pbe_nid,
+ const uint8_t *pass_raw,
+ size_t pass_raw_len,
+ uint8_t *salt, size_t salt_len,
+ int iterations,
+ PKCS8_PRIV_KEY_INFO *p8inf);
+
+/* PKCS8_decrypt_pbe decrypts and decodes a PKCS8_PRIV_KEY_INFO with PBES1 as
+ * defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
+ * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, defined in PKCS
+ * #12, are supported. The |pass_raw_len| bytes pointed to by |pass_raw| are
+ * used as the password. Note that any conversions from the password as
+ * supplied in a text string (such as those specified in B.1 of PKCS #12) must
+ * be performed by the caller.
+ *
+ * The resulting structure must be freed by the caller. */
+OPENSSL_EXPORT PKCS8_PRIV_KEY_INFO *PKCS8_decrypt_pbe(X509_SIG *pkcs8,
+ const uint8_t *pass_raw,
+ size_t pass_raw_len);
+
+
+/* Deprecated functions. */
+
+/* PKCS8_encrypt calls PKCS8_encrypt_pbe after treating |pass| as an ASCII
+ * string, appending U+0000, and converting to UCS-2. (So the empty password
+ * encodes as two NUL bytes.) The |cipher| argument is ignored. */
+OPENSSL_EXPORT X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
+ const char *pass, int pass_len,
+ uint8_t *salt, size_t salt_len,
+ int iterations,
+ PKCS8_PRIV_KEY_INFO *p8inf);
+
+/* PKCS8_decrypt calls PKCS8_decrypt_pbe after treating |pass| as an ASCII
+ * string, appending U+0000, and converting to UCS-2. (So the empty password
+ * encodes as two NUL bytes.) */
+OPENSSL_EXPORT PKCS8_PRIV_KEY_INFO *PKCS8_decrypt(X509_SIG *pkcs8,
+ const char *pass,
+ int pass_len);
+
+/* PKCS12_get_key_and_certs parses a PKCS#12 structure from |in|, authenticates
+ * and decrypts it using |password|, sets |*out_key| to the included private
+ * key and appends the included certificates to |out_certs|. It returns one on
+ * success and zero on error. The caller takes ownership of the outputs. */
+OPENSSL_EXPORT int PKCS12_get_key_and_certs(EVP_PKEY **out_key,
+ STACK_OF(X509) *out_certs,
+ CBS *in, const char *password);
+
+
+/* Deprecated functions. */
+
+/* PKCS12_PBE_add does nothing. It exists for compatibility with OpenSSL. */
+OPENSSL_EXPORT void PKCS12_PBE_add(void);
+
+/* d2i_PKCS12 is a dummy function that copies |*ber_bytes| into a
+ * |PKCS12| structure. The |out_p12| argument must be NULL. On exit,
+ * |*ber_bytes| will be advanced by |ber_len|. It returns a fresh |PKCS12|
+ * structure or NULL on error.
+ *
+ * Note: unlike other d2i functions, |d2i_PKCS12| will always consume |ber_len|
+ * bytes.*/
+OPENSSL_EXPORT PKCS12 *d2i_PKCS12(PKCS12 **out_p12, const uint8_t **ber_bytes,
+ size_t ber_len);
+
+/* d2i_PKCS12_bio acts like |d2i_PKCS12| but reads from a |BIO|. */
+OPENSSL_EXPORT PKCS12* d2i_PKCS12_bio(BIO *bio, PKCS12 **out_p12);
+
+/* d2i_PKCS12_fp acts like |d2i_PKCS12| but reads from a |FILE|. */
+OPENSSL_EXPORT PKCS12* d2i_PKCS12_fp(FILE *fp, PKCS12 **out_p12);
+
+/* PKCS12_parse calls |PKCS12_get_key_and_certs| on the ASN.1 data stored in
+ * |p12|. The |out_pkey| and |out_cert| arguments must not be NULL and, on
+ * successful exit, the private key and first certificate will be stored in
+ * them. The |out_ca_certs| argument may be NULL but, if not, then any extra
+ * certificates will be appended to |*out_ca_certs|. If |*out_ca_certs| is NULL
+ * then it will be set to a freshly allocated stack containing the extra certs.
+ *
+ * It returns one on success and zero on error. */
+OPENSSL_EXPORT int PKCS12_parse(const PKCS12 *p12, const char *password,
+ EVP_PKEY **out_pkey, X509 **out_cert,
+ STACK_OF(X509) **out_ca_certs);
+
+/* PKCS12_free frees |p12| and its contents. */
+OPENSSL_EXPORT void PKCS12_free(PKCS12 *p12);
+
+#if defined(__cplusplus)
+} /* extern C */
+#endif
+
+#define PKCS8_F_PKCS8_encrypt 100
+#define PKCS8_F_EVP_PKEY2PKCS8 101
+#define PKCS8_F_EVP_PKCS82PKEY 102
+#define PKCS8_F_PKCS5_pbe_set0_algor 103
+#define PKCS8_F_pbe_crypt 104
+#define PKCS8_F_pkcs12_item_decrypt_d2i 105
+#define PKCS8_F_PKCS5_pbe_set 106
+#define PKCS8_F_pkcs12_key_gen_uni 107
+#define PKCS8_F_pkcs12_key_gen_asc 108
+#define PKCS8_F_pkcs12_pbe_keyivgen 109
+#define PKCS8_F_pbe_cipher_init 110
+#define PKCS8_F_pkcs12_item_i2d_encrypt 111
+#define PKCS8_F_PKCS5_pbe2_set_iv 112
+#define PKCS8_F_PKCS5_pbkdf2_set 113
+#define PKCS8_F_pkcs12_key_gen_raw 114
+#define PKCS8_F_PKCS8_decrypt 115
+#define PKCS8_F_PKCS8_encrypt_pbe 116
+#define PKCS8_F_PKCS12_parse 117
+#define PKCS8_F_PKCS12_handle_content_info 118
+#define PKCS8_F_PKCS12_handle_content_infos 119
+#define PKCS8_F_PKCS12_get_key_and_certs 120
+#define PKCS8_R_ERROR_SETTING_CIPHER_PARAMS 100
+#define PKCS8_R_PRIVATE_KEY_ENCODE_ERROR 101
+#define PKCS8_R_UNKNOWN_ALGORITHM 102
+#define PKCS8_R_UNKNOWN_CIPHER 103
+#define PKCS8_R_UNKNOWN_DIGEST 104
+#define PKCS8_R_ENCODE_ERROR 105
+#define PKCS8_R_DECODE_ERROR 106
+#define PKCS8_R_ENCRYPT_ERROR 107
+#define PKCS8_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 108
+#define PKCS8_R_PRIVATE_KEY_DECODE_ERROR 109
+#define PKCS8_R_UNKNOWN_CIPHER_ALGORITHM 110
+#define PKCS8_R_KEYGEN_FAILURE 111
+#define PKCS8_R_TOO_LONG 112
+#define PKCS8_R_CRYPT_ERROR 113
+#define PKCS8_R_METHOD_NOT_SUPPORTED 114
+#define PKCS8_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER 115
+#define PKCS8_R_KEY_GEN_ERROR 116
+#define PKCS8_R_BAD_PKCS12_DATA 117
+#define PKCS8_R_PKCS12_PUBLIC_KEY_INTEGRITY_NOT_SUPPORTED 118
+#define PKCS8_R_BAD_PKCS12_VERSION 119
+#define PKCS8_R_PKCS12_TOO_DEEPLY_NESTED 120
+#define PKCS8_R_MULTIPLE_PRIVATE_KEYS_IN_PKCS12 121
+#define PKCS8_R_UNKNOWN_HASH 122
+#define PKCS8_R_BAD_MAC 123
+#define PKCS8_R_MISSING_MAC 124
+#define PKCS8_R_INCORRECT_PASSWORD 125
+
+#endif /* OPENSSL_HEADER_PKCS8_H */
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